ManTech seeks a motivated, career and customer-oriented Cyber Network Defense (CND) Analyst in Herndon, VA. As a CND Analyst on our team, you will use your expertise in specialized network defense to provide innovative and creative solutions to challenging cyber security problems. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture. Responsibilities include, but are not limited to:·Provide malicious code detection, intrusion detection, and information security tool development and integration.·Utilize forensic analysis to identify malware, misuse, and/or unauthorized activity.·Investigate and report on virus and malware alerts or incidents to determine root cause, entry point of code and damage risk.·Analyze all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns.·Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat.·Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems and identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflicts·Provide logical use case development.·Provide and track requirements to engineering partners.·Identify gaps in visibility or coverage of cyber defense systems.·Prepare data analytics and reporting.Basic Qualifications:·High School Diploma and 15+ years of experience in a cyber security or network security role, or Bachelor’s degree and 11+ years of experience·Experience writing script in programming languages such as Python, JavaScript, Yara or Snort·Experience using SIEM tools for case development and application·Experience with network security applications, protocols, and associated hardware·Experience with one or more of the following classes of enterprise cyber defense technologies: SysMon, Network and Host based IDS and IPS, Network and host-based malware detection and prevention, Endpoint Detection & Response (EDR) and Network Detection & Response (NDR), Network and Host malware detection and prevention (EDR/NDR) tools, Web/Email gateway security technologies, Security Orchestration, Automation and Response (SOAR) or Cloud Based platforms such as Azure, AWS, or GooglePreferred Qualifications:·Experience working with MITRE ATT&CK·Experience with Splunk or Splunk Enterprise Security·Experience with forensics tools and applicationsClearance requirement: Must have an active/Current TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%SKN.7.23

ManTech seeks a motivated, career and customer-oriented Cloud Security Engineer to join our team in Herndon, VA.Join a team of cybersecurity experts that protects and defends the largest target in the world. As a Cloud Security Engineer on our team, you will utilize the latest tools available and assist in creating new ones while allowing you to advance the nation's information security posture.Responsibilities include but are not limited to: Design and champion the strategy for detecting and responding to cyber incidents within Oracle Cloud Infrastructure (OCI) or Google Cloud Platform (GCP)Create advanced detection rules and tradecraft to uncover sophisticated cloud-based attacksOptimize data pipelines to fuel rapid incident analysis and proactive threat hunting in the cloudServe as the Subject Matter Expert (SME) during critical cloud security incidents, guiding the CSOC team to swift resolutionContinuously evaluate emerging cloud security tools and techniques to enhance our defenses and response capabilitiesPartner with cross-functional teams and mentor less experienced analysts to build a stronger cloud security posture across the organizationMinimum Qualifications:High School Diploma and 15+ years of experience in cloud or cyber security or Bachelor’s degree and 11+ years of experience5+ years of experience in cyber incident response3+ years’ experience architecting, engineering, implementing, or securing solutions within Google Cloud Platform (GCP) OR Oracle Cloud Infrastructure (OCI)2+ years’ experience with data ingestion, processing, and analysis of data relevant to security investigations, such as log management, basic ETL concepts or similar.Experience with at least one scripting language, such as Python or Bash, for task automation or security analysisExperience with cloud security principles, including identity and access management, network security, and data protection within the chosen platform (GCP or OCI)Preferred Qualifications: Degree in Computer Science, Information Security, or a related technical fieldRelevant Certifications such as CISSP, CCSP, CCSK, GCFA, GCIH, or cloud-specific security certifications (e.g., Google Cloud Security Engineer, Oracle Cloud Security Architect)Experience in security services and best practices within either Google Cloud Platform (GCP Security Command Center, Chronicle, IAM, Networking) OR Oracle Cloud Infrastructure (OCI Cloud Guard, Security Zones, IAM, Networking)Experience leading and coordinating complex cloud security incident investigations, including forensic analysis and containment strategiesAbility to develop and implement automation scripts and workflows (e.g., Python, Cloud Functions/Lambdas, SOAR platforms) to enhance incident response efficiencyClearance Requirements: Must have a current/active TS/SCI w/PolygraphPhysical Requirements: The person in this position must be able to remain in a stationary position 50% of the time.

MANTECHseeks a motivated, career and customer-orientedVideo Systems Programmerto join our team inSpringfield, VA. This position will relocate to Herndon, VA in 2026. In this role, you will be responsible for programming, testing and support of complex Audio/Video (A/V) systems in a variety of customer environments. The successful candidate will have a history of designing functional, intuitive interfaces which enable the customer to control complex systems.Responsibilities include, but are not limited to:Read and interpret A/V systems drawings and specifications.Develop code for integrating systems including, but not limited to, Extron, HP/Poly and Cisco.Collaborate with video engineering team to ensure programmed solutions meet customer expectations.Responsible for organizing, maintaining, and archiving all project-related code, graphic touch panel layouts and programs.Complete training programs from manufacturers, industry associations, and company as required.Participate in complex system design reviews where input is encouraged.Local travel may be required between customer buildings.Member of a team that provides coverage from 6:00 a.m. – 6:00 p.m.May have supervisor responsibilities (timecards, interviews, HR related tasks, etc.).Basic Qualifications:Bachelor’s Degree and 9+ or more years of experience, or a combination of education and work experience equivalent to 13+ or more years.Familiarity with Digital Signal Processing (DSP) design and configuration.Experience with control systems, videoconferencing, switching hardware, audio DSP setup and calibration.Strong customer service, organizational, communication, and written skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. Proficiency in Microsoft Office product suite.Preferred Qualifications:AVIXA Certified Technology Specialist (CTS) or Extron Certifications.Experience with Python programming & ServiceNow Project Management.Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Security Clearance Requirements:Must have a current and active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers.

MANTECH seeks a motivated, career and customer-oriented Enterprise IT Support Officer (EITSO) –Video Installer to join our team in Chantilly, VA. In this role, serve on a team of IT support professionals responsible for installing video equipment while providing a productive and collaborative computer workspace (new or renovated) to support dynamic mission requirements.Responsibilities include, but are not limited to: Supporting all facets of video installations, which includes the physical placement of CAT5 and various other types of cables (fiber optic, HDMI, coaxial, network, power), wall jacks, racks, and video equipment as required.Installing, pulling and terminating cable, determining and implementing required pin outs, cards power supplies, testing and documenting installations, dressing and labeling cables, racks, patch panels, etc.Assembling and connecting different components of a video system, which might include video processors, scalers, receivers, amplifiers, media players, and control systems.Supporting projects that include cabling and implementation in accordance with design documents and build-to packages.Local travel will be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. with flexibility to support 24x7 operations as needed; may need to work extended hours during critical peaks and be available to meet last minute requests.Basic Qualifications: Bachelor’s Degree and 2+ years of experiences, or a combination of education and work experience equivalent to 4+ years. Minimum 2 years of experience supporting video installation in the customer environment.Expertise in various cable types, termination standards, proper cable management, troubleshooting techniques, and reading/understanding cable run lists.Strong diagnostic skills to identify and resolve issues with video, audio, control, and network connectivity.Experience installing and troubleshooting video conferencing hardware (e.g., Cisco, Poly, Logitech).Experience resolving technical problems and answering queries by that involve video systems.Preferred Qualifications: Related work experience in video and cabling installation.Experience with implementation on the Sponsor's network infrastructure.AVIXA, CompTIA Network+ or CCNA (Cisco Certified Network Associate) CertificationsAbility to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Security Clearance Requirements: Must have a current/active TS/SCI with Polygraph.Physical Requirements: Must be able to remain in a stationary position at least 25% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices majority of the time, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTech seeks a motivated and adaptable Cloud DevOps Administrator to join our team in Chantilly, VA The Cloud DevOps Administrator, in this fast-paced Big Data ecosystem, will collaborate with leading IT and analytics experts to support and advance our vital cloud platforms. You'll be instrumental in driving automation, enhancing system security, and optimizing deployment workflows. This is a rare chance to engage in impactful work with significant opportunities for professional growth.Responsibilities include but are not limited to:Maintaining standard environments and services for the Cloud team, including performing regular patching, upgrades, updates, and management of passwords and certificatesImplementing automation across routine operations and maintenance tasks to improve efficiency and reliabilityInterfacing with infrastructure and development teams to align on cloud initiatives and ensure cohesive integrationBuilding and maintaining tools to support deployment activitiesProviding support for custom tools as neededManaging commercial off-the-shelf (COTS) tools required by the Cloud teamEnsuring thorough documentation and clear communication of procedures, processes, and efficiency improvementsMinimum Qualifications:High School Diploma with 2+ years of relevant systems administration and/or database administration experienceStrong scripting experience (e.g., Bash)DevOps experience, including building, deploying, and operating softwareBroad knowledge of DevOps tools and technologiesExperience with infrastructure automation and monitoring toolsPreferred Qualifications:Cloud computing experience is desired but not requiredClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeNeeds to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer

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 with 2+ years of experience in the Information Technology fieldExperience with Java programming/developmentExperience 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 fieldExperience with Oracle 19c+ architecture and database design, and related Oracle technologies (Partitioning, Encryption, Pluggable Database, etc.) on Linux systemsExperience with Oracle Exadata and PL/SQL developerOracle Label Security (OLS) experience coupled with experience and knowledge in methodologies to improve database query performance.Experience in the optimization of database environmentsUnderstanding 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 fieldSoftware development experience, to include Java development, data analysis/parsing, and SQL/database experienceExperience with the full data lifecycle, from ingest through display, in a Big Data environmentExperience 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