ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are metPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDesign for new capabilities or recommendations for improvements to existing capabilitiesDetermining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programmingDebug and troubleshoot software, modify existing software to correct errors, to adapt to new requirements, or to improve performance and perform quality control on team productsCoordinating and performing software deployments for developed productsMinimum Qualifications:Bachelor’s degree in Computer Science or related field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience developing and coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge of Software Version ControlKnowledge of CNO environmentKnowledge of Agile software development methodologyKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesSubversion/GIT experienceAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Security Clearance Requirements:Must have an active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time

ManTech seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Hanover, MD.This team provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Leading the development of Software Assurance Analysis methodologies, formulating, and validating testing scores, creating, and validating test cases that support Software Assurance (SwA) tool analysis.Provide technical expertise in the testing of client software and providing remediation recommendations with clients.Mentoring junior Software Assurance Evaluation Engineers providing advice, guidance, consultation and teaching state-of-the-art software assurance testing and analysis techniquesLead efforts in defining new methods and techniques for software assurance testing and analysis; and surveying industry to identify new source code SwA tools and methodologies.Tuning and running source code analysis tools, evaluating the strengths and weaknesses, and determining the suitability for a given software/customer while interpreting, prioritizing, and using source code SwA tools results to remediate potential vulnerabilities in software.Minimum Qualifications:5 + years in software analysis related experienceExperience with evaluating the strengths and weaknesses and determining the suitability of software in a given software/customer environment.Experience designing, implementing and testing source code SwA analysis processes.Programming experience in Java, C/C++, or C#.Experience developing & consulting on code for production systems using structured development environments.Preferred Qualifications:Experience with RUSTExperience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements:Active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

Currently, ManTech is seeking a motivated, career and customer-oriented highly skilled Senior Cloud Software Developer to join our Automation Development team in Hanover, MD. The ideal candidate will have hands-on experience designing, developing, and maintaining scalable applications and web services within AWS cloud environments.Responsibilities Included but are not limited to:Responsible for designing and developing cloud-native applications, UIs, and backend web services using Angular 10/16, Python/Django, and AWS (EC2/AMI, ECS/Docker, RDS/MySQL)Will automate the provisioning of AWS AMIs across multiple platforms using HCL Packer, Ansible, and GitLab CI to support bi-weekly security agent deploymentsResponsible for building and managing test datasets, and support backend service validation and QA effortsResponsible for collaborating with other DevOps, Security, and Backend Engineering teams to enhance automation, security posture, and performance of software deliverables.Responsible for maintain and manage source code and CI/CD pipelines via GitLab in an agile team settingMinimum Qualifications: Twenty (20) or more years’ experience as a Software Engineer in programs and contracts of similar scope, type, and complexity is required.A bachelor’s degree in computer science, or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience may be substituted for a bachelor’s degreeRequires an IAT II (Security + or equivalent). Will have 60 days from start of program to obtainMust have experience in full-stack software development in a cloud environment, strong programming skills in Angular (preferably v16), Python, and Django.Must have experience maintaining processes of distributing AMIs using AMI packer builder which leverages Gitlab CI/CD pipeline to build, validate, and then publish AMI for public consumption and experience with CI/CD pipelines and automation tools (GitLab CI, Ansible, Packer).Preferred Qualifications: Experience in enterprise or government environments.Familiarity with security and compliance in cloud systems.Strong understanding of secure coding, cloud security architecture, and continuous security integration.Familiarity with secure software development lifecycle (SSDLC) practicesExperience using Ansible and Python playbooks/templates to manage and update Ubuntu and CentOS servers.Experience deploying and managing Docker containers using Kubernetes on Linux environments.Knowledge of RESTful API design and database optimization.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to the customer's desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech seeks a Software Engineer to join our team in the Hanover, MD area. In this role, you will develop, maintain, and enhance complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.Responsibilities include, but are not limited to:Responsible for analyzing user requirements to derive software design and performance requirements while designing and coding new software or modifying existing software to add new features. Will integrate existing software into new or modified systems or operating environmentsResponsible for debugging existing software and correcting defects and will make recommendations for improving documentation and software development process standards.Will develop simple data queries for existing or proposed databases or data repositoriesMinimum Qualifications:Bachelor’s Degree in Computer Science or related discipline from an accredited college or university. 4 years of additional related experience may be substituted for a degree.0 years of related experience.Preferred Qualifications:Experience maintaining applications using industry-proven technologies (e.g., Java.NET and JavaScript)Experience maintaining the following:Data flow managementSolutions to monitor production systemsUser Interfaces (UIs) to display resultsAnalytic capabilitiesWays to automate JCSC mission workflowsSecurity Clearance Requirements:Current/Active TS/SCI with Polygraph required.Physical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented SeniorCloud Consultant, to join our team in Hanover, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.Responsibilities Included but are not limited to:Responsible for leading technical exchange meetings and advise customers on path for transition / transformation to the cloud.Will perform Analysis-of-Alternatives for architecting/implementing the customer's application in the cloudResponsible for creating well-informed cloud architecture and migration strategies for various application use-cases while developing and documenting cloud "best practices".Will provide cloud guidance and recommendations on cloud services to meet specific needs and will document cloud training opportunities and material.Minimum Qualifications:Associates degree with Fifteen (15) years' experience of relevant experience OR Bachelor of Science (BS) Degree with Twelve (12) years of relevant experienceExperience with managing project work as defined by the government.Experience with leading medium to large complex projects and major phases of very large projects while providing highly technical and specialized guidance and solutions to complex IT problems.CompTIA Security+ or similar certification for IAT Level II DoD 8570 compliancePreferred Qualifications: Experience with AWS cloud services, including an AWS VPC, routing tables, IGW and NAT, public and private subnetsExperience with cloud architecture and migration plan.Experience designing and implementing Cloud architectures that meet requirements for security, high availability, fault tolerance, cost-efficiency and scalabilityExperience consulting and advising customers projects/product teams with regards to architecting cloud-based environments for applications and migrating to the cloud from legacy environments.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph. Physical Requirements:Must be able to remain in a stationary position 50% of the time.Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented Cloud DevOps Engineer to join our team in Hanover, MD. In this role you will be working as a cloud Engineer utilizing cloud computing platforms and developing full stack web application interfacing with AWS services. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT. Responsibilities Included but are not limited to:Responsible for building new and improving existing CI/CD pipelines.Responsible for performing operations on end-user virtual machine provisioning/de-provisioning (VMWARE, and Amazon AWS platforms) supporting the automation of Active Directory security group manipulations.Will perform daily development using .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platforms.Responsible for creating collection object cleanup routine within an Angular/Node JS application to simulate a hierarchical cascade delete process for a dynamic MongoDB system.Minimum Qualifications: Shall have a minimum of sixteen (16) years’ experience programming with at least one (1) object oriented language Experience with ansible, Python, Angular and Django 5 years functional experience with containerization technologies like Docker. 2 years’ experience working within the Linux desktop environment and bash shell Preferred Qualifications:Fluent with git and GitLab, both in commonplace software development processes (branches, merge, reviews, issues, code reviews) Use open-source technologies and tools to accomplish specific use cases encountered within the project such as GitLab, AWS Web Services, and Visual Studio Performs daily development duties using .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platforms Experience refactored code by identifying bottlenecks to optimize code blocks through method timing. Experience Implementing quality control procedures for team products to reduce redundancy and enhance efficiency Clearance Requirements: Must have a current/active TS/SCI w/ Polygraph.Physical Requirements:The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech seeks a motivated, career and customer-oriented Software Assurance Evaluation Engineer to join our team in Hanover, MD. This is a full time position with 5 days being onsite. The position is part of a team that provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Responsible for leading the development of Software Assurance Analysis methodologies, formulating, and validating testing scores, creating, and validating test cases that support Software Assurance (SwA) tool analysis.Acts as a technical expert in the testing of client software and defines remediation recommendations with clients to define recommended remediation.Responsible for mentoring junior Software Assurance Evaluation Engineers providing advice, guidance, consultation and teaching state-of-the-art software assurance testing and analysis techniquesResponsible for leading efforts in defining new methods and techniques for software assurance testing and analysis. Leading teams and surveying industry to identify new source code SwA tools and methodologies.Will be responsible for tuning and running source code analysis tools, evaluating the strengths and weaknesses, and determining the suitability for a given software/customer while interpreting, prioritizing, and using source code SwA tools results to remediate potential vulnerabilities in software.Required Qualifications:Master’s Degree in software engineering, computer science or electrical engineering and eleven (11) years’ experience in systems security engineering, software vulnerability assessment.Or Bachelor’s Degree in software engineering, computer science or electrical engineering and fifteen (15) years’ experience in systems security engineering, software vulnerability assessmentFifteen (15) years of experience evaluating the strengths and weaknesses and determining the suitability of software in a given software/customer environment.Ten years of experience designing, implementing and testing source code SwA analysis processes.Ten years of experience programming in Java, C/C++, or C#.Five years of experience developing/consulting on code for production systems using structured development environments.Preferred Qualifications:Experience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements:Active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

ManTech seeks a motivated, career and customer-orientedLead CNO Python Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and/or Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server)Using streaming technologies (e.g. Kafka), including customization of data flows.Log analysis and General Troubleshooting (tuning and optimization, Search and Indexing Operations, mapping, monitoring)Working with Elastic Stack (Elastic, Logstash, Beats, Kibana, Fluent etc.) and knowledge of Opensearch APIs.Perform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Research requirements for a product, including target environment, performance criteria, and competitive issues.Design new capabilities or recommend improvements to existing capabilities.Determine computer user needs; analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Ensure software standards are met.Modify existing software to correct errors, to adapt to new requirements, or to improve performance.Perform quality control on team products.Coordinate and perform software deployments for developed products.Mentoring junior software developersMinimum Qualifications:Bachelor’s degree +20 years of programming OR 24 years of programming without a degreeExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignFamiliarity with Software Version ControlKnowledge of SQL and of NoSQL databasesKnowledge of data ingest, data storage, and data processing techniques.Knowledge of agile software development methodologyKnowledge of XML and/or JSONPreferred Qualifications:Knowledge of MongoDBKnowledge of ElasticSolid, demonstrable skills in troubleshooting and maintaining complex code Experience with Subversion/GITExperience with Atlassian Tools (Confluence, Jira, Bamboo, Crucible)Experience using VMWare, preferably ESXClearance Requirements:Must have active/current TS/SCI with Polygraph.Physical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.

ManTech seeks a motivated, career and customer-orientedCNO Java Software Engineerto join our team in theHanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Developing and coding software, ensuring software standards are met.Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Researching requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.Designing ideas for new capabilities or recommendations for improvements to existing capabilities.Determining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Debugging and troubleshooting softwareModifying existing software to correct errors, to adapt to new requirements, or to improve performance.Performing quality control on team products.Coordinating and performing software deployments for developed products.Minimum Qualifications:Bachelor’s degree in computer science or related field, plus 7 years of programming experience OR 11 years of programming experience in lieu of a degree.Experience with Java 8 or higherExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignFamiliarity with Software Version ControlKnowledge of CNO environmentKnowledge of agile software development methodologyKnowledge of XML or XSLTKnowledge of JSONPreferred Qualifications:Experience with Spring Cloud & Spring BootExperience with KafkaExperience with Subversion/GITExperience with Elastic / KibanaExperience using VMWare, preferably ESXExperience with containers (Docker, Kubernetes)Atlassian Tools (Confluence, Jira, Bamboo, Crucible)Strong problem-solving skillsSecurity Clearance Requirements:Must have an active and current TS/SCI with Polygraph clearance.Physical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.

ManTech seeks a motivated, career and customer-orientedCNO Python SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Ability to develop and code in Python and XML, ensuring software standards are met.Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Researching requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.Designing ideas for new capabilities or recommendations for improvements to existing capabilities.Determining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Debugging and troubleshooting software, modifying existing software to correct errors, to adapt to new requirements, or to improve performance.Performing quality control on team products.Coordinating and performing software deployments for developed products.Minimum Qualifications:Bachelor’s degree in computer science or related field, plus 7 years of programming experience OR 11 years of programming experience in lieu of a degree.Experience with PythonExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignFamiliarity with Software Version ControlKnowledge of CNO environmentKnowledge of agile software development methodologyKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesSubversion/GIT experienceAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Strong problem-solving skillsSecurity Clearance Requirements:Must have an active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentationsRepetitive Motions

ManTech seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development.Responsibilities include but are not limited to:Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the futureAnalyzing user needs and software requirements to determine feasibility of design within time and cost constraintsCollaborating with teammates, other service providers, vendors, and users to develop new program featuresDeveloping unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correctCorrecting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced. As well as, reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issuesParticipating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.Deploying code to development, test, and production environments using existing DevOps infrastructure/toolsMinimum Qualifications:High School Diploma/GED with 2+ years of experience in the Information Technology fieldStrong Java programming/development skills, with hands-on experienceExperience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably AngularExperience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPAExperience with Git branching and merging within a team to manage source codePreferred Qualifications:Strong ability to manage competing priorities and communication to multiple stakeholdersExperience with, or knowledge of, ElasticsearchExperience with, or knowledge of, best practices for developing secure web applicationsClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the time

ManTech seeks a motivated, career and customer-oriented Senior Database Administrator to join our team in Chantilly , VAThe Senior Database Administrator will work as part of the overall DBA team to determine, implement, and maintain the most efficient ways to ingest, organize and store petabytes of data from disparate system.Responsibilities include but are not limited to:Participating in leading the design, development, and administration of Oracle 19c databasesDesigning and developing database code for ETL of data from multiple sourcesConducting performance tuning and forecasting system scalabilityRecommending appropriate procedure, query, or package changes and optimizations to ensure and improve system performance and reliabilityInstalling and configuring database environmentsas well as performing database backups and restoresManaging, monitoring, and administering of Oracle database systemsParticipating in server and storage capacity management, planning and providing technical support in the evaluation of database systems and database designMinimum Qualifications:High School Diploma with 7+ years of experience in the Information Technology fieldSignificant experience with Oracle 19c+ architecture and database design, and related Oracle technologies (Partitioning, Encryption, Pluggable Database, etc.) on Linux systemsSignificant Oracle Exadata and PL/SQL developer experienceOracle Label Security (OLS) experience coupled with significant experience and knowledge in methodologies to improve database query performance.Significant experience in the optimization of database environmentsStrong understanding of high-availability solutions, architecture, backup methodologies and their implementation (RMAN, Data Guard)Experience managing and tuning very large databases (terabytes and petabytes) and with automating, scripting, and streamlining processes for efficiency and accuracy with strong documentation skills.Preferred Qualifications:Experience with PostgreSQL architecture, database design, administration, and related technologies.Knowledge of Oracle Cloud TechnologyOracle OCP or OCM certification(s)Linux experience as relevant to database O&MKnowledge of multiple data-storage technologiesAbility to work with multiple teams to enhance their code and improve performance.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under the desks and in the server closet

ManTech seeks a motivated, career and customer-oriented Senior Software Developer - Cloud to join our team in Chantilly, VA. Responsibilities include but are not limited to:Designing and implementing large-scale ingest systems in a Big Data environmentOptimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyondDesigning and implementing data extraction, cleansing, transformation, loading, and replication/distributionDeveloping custom solutions/code to ingest and exploit new and existing data sourcesWorking with Sponsor development teams to improve application performanceOrganizing and maintaining documentation so others are able to understand and use itCollaborating with teammates, other service providers, vendors, and users to develop new and more efficient methodsMinimum Qualifications:High School Diploma/GED with 7+ years of experience in the Information Technology fieldStrong software development experience, to include significant Java development, data analysis/parsing, and SQL/database experienceStrong experience with the full data lifecycle, from ingest through display, in a Big Data environmentStrong experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIsExperience developing and performing ETL tasks in a Linux environmentPreferred Qualifications:Experience with Hadoop, Hbase, MapReduceExperience with ElasticsearchExperience with NiFi, Kafka, and ZookeeperClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the timeThe person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations