Reston, VA 22090 • (10.3 miles) • Full Time • 9/9/2025

Mantech seeks a skilled and motivated Oracle Cloud Engineer to join our IT infrastructure and cloud services team in support of a big data platform transformation in Reston, VA. In this role, you will be responsible for designing, implementing, and maintaining Oracle Cloud Infrastructure (OCI) solutions to support enterprise applications and business operations. You will collaborate with cross-functional teams to ensure secure, scalable, and high-performing cloud environments, leveraging your deep knowledge of Oracle products and cloud architecture best practices. This is an excellent opportunity for a cloud professional to contribute to digital transformation initiatives within the IC customer space.Responsibilities include but are not limited to:Design & Deploy: Architect and deploy scal

Herndon, VA 20170 • (13 miles) • Full Time • 9/4/2025

ManTech seeks a motivated, career and customer-oriented Cyber Network Defense 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 ris

Chantilly, VA 20151 • (14.1 miles) • Full Time • 9/3/2025

ManTech seeks a motivated, career and customer-oriented Systems Administrator to join our team in Chantilly, Virginia.As a Systems Administrator on our team, you will support a high visibility program that offers challenging positions with significant impact on national security.Responsibilities include but are not limited to:Install, configure, and maintain servers, networks, and computer systemsManage software updates, handle security patches, and troubleshoot any technical issues that may arise.Monitor and track system health.Recognize unusual network activity, which may involve security-sensitive actions like illicit network access or data transfer.Minimum Qualifications:Bachelor’s degree and 4+ years of experience in systems administration or High School Diploma and 8+ years of experi

Chantilly, VA 20151 • (14.1 miles) • Full Time • 8/25/2025

MANTECH seeks a motivated, career and customer-oriented Senior ETL Developer 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 eff

Chantilly, VA 20151 • (14.1 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, career and customer-oriented Senior Oracle Database Administrator to join our team in Chantilly , VAThe Senior Oracle 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 enviro

Laurel, MD 20724 • (25 miles) • Full Time • 8/23/2025

Mantech seeks a motivated, career and customer-oriented LinuxSystem Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organizationthe foundation of all Enterprise Information Technology (EIT) for MPO.Responsibilities include but are not limited to:Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.Provides support for implementation, troubleshooting and maintenan

Laurel, MD 20724 • (25 miles) • Full Time • 8/23/2025

Mantech seeks a motivated, career and customer-oriented OracleDatabase Administrator/Engineer, to join our team in Laurel, MD.The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation.Responsibilities Included but are not limited to:Manages the full lifecycle of Oracle databases, including builds, structure development, decommissioning, monitoring, data migrations, configuration, software baseline maintenance, patching, and documentation.Responsible for supporting the development of long- and short-term requirements for database administration and design.Will assist with guiding users in formulating requirements, advises alternative approaches, and conducts feasibility studies.Responsible for supporting the

Laurel, MD 20724 • (25 miles) • Full Time • 8/23/2025

Mantech seeks a motivated, career and customer-oriented Cloud Solution Architect to join our team in Laurel, MD.We deliver critical enterprise infrastructure capabilities that enable a global workforce to carry out vital national defense missions. Our work is a key component of the Enterprise Infrastructure Services (EIS) organization, which oversees MPO's Enterprise Information Technology (EIT). EIT serves as the backbone platform supporting all enterprise users.Responsibilities include, but are not limited to:Serve as a cloud strategy and architecture lead, supporting the customer’s transition to modernized, cloud-native environments.Lead technical exchange meetings and provide expert consultation on cloud migration, transformation planning, and solution optimization.Conduct Analysis-of-

Laurel, MD 20724 • (25 miles) • Full Time • 8/23/2025

Mantech seeks a motivated and career-oriented Windows Systems Administrator to join our team in Laurel, MD.You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organizationthe foundation of all Enterprise Information Technology (EIT) for MPO.Responsibilities include, but are not limited to:Support the implementation, troubleshooting, and maintenance of IT systemsProvide Tier 1 (Help Desk) and Tier 2/3 (Escalation) support for problem identification, diagnosis, and resolutionIdentify and resolve performance and capacity issues in Windows systems, and support hardware-related problem resolution and dispatchi

Annapolis Junction, MD 20701 • (26.5 miles) • Full Time • 8/23/2025

Mantech seeks a highly motivated and collaborative DevOps Engineer to join our team in Annapolis Junction, MDThis position will support the development, deployment, and sustainment of secure backend and infrastructure services in a mission-driven enterprise environment. You will be part of the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s foundational Enterprise Information Technology (EIT) platform, enabling enterprise-wide capabilities for a global user base.Responsibilities include, but are not limited to:Design, deploy, and maintain scalable and secure infrastructure in Kubernetes environments using GitOps workflows with Flux, Kudectl, and KustomizeIntegrate and manage service mesh technologies such as Istio for secure traffic flow and observabilitySupport

Hanover, MD 21076 • (31.4 miles) • Full Time • 9/13/2025

ManTech seeks a motivated, career- and customer-oriented Cloud Engineer to join our team in Hanover, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Manage and maintain server infrastructure in a hybrid environment (on-premises and AWS cloud).Administer and troubleshoot Linux (Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems.Configure and manage core services such as Active Directory, DNS, and Group Policy.Utilize automation and scripting tool

Hanover, MD 21076 • (31.4 miles) • Full Time • 9/9/2025

ManTech seeks a motivated, career- and customer-oriented SrCloud System Administrator to join our team in Hanover, MD.Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems.Architect, deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premise server infrastructure.Develop, implement

Hanover, MD 21076 • (31.4 miles) • Full Time • 9/9/2025

ManTech seeks a motivated, career- and customer-oriented Cloud System Administrator to join our team in Hanover, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems.Architect, deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premise server infrastructure.Develop, implement

Hanover, MD 21076 • (31.4 miles) • Full Time • 9/3/2025

MANTECH seeks a motivated, career and customer-orientedCNO System Administratorto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Develops and executes plans for new technologies to enhance security capabilities including, perimeter security protections, firewalls, proxies, load balancers, monitoring tools, and data analytics and analysis.Provide support for implementation, troubleshooting, and maintenance of IT systems.Provide Tier 1 problem identification, diagnosis, and resolution of problems.Provide day to day systems support including maintenance, monitoring, and problem resolution.Optimize system operations and resource utilization and perform system capacity analysis and planning.Minimum Qualifications:Bachelor’s Degree and 5+ years of system a

Hanover, MD 21076 • (31.4 miles) • Full Time • 9/8/2025

MANTECH is seeking a motivated, career and customer-oriented ExpertCNO Software Developer to join our team in Hanover, MD. As a valued member of our organization, you will play a pivotal role in developing advanced cyber capabilities while delivering exceptional service to our clients.Responsibilities include, but are not limited to:Design and develop new hardware or software based CNO capabilities.Manage the designing, developing, documenting, testing, and debugging of applications software and systems.Apply expert knowledge of security concepts and networks.Communicate status with leadership and customers.Ensure software standards are met.Minimum Qualifications:Bachelor's degree and 8+ years of relevant experience, OR 10+ years of relevant experience if no degree.Proficiency in Python an

Hanover, MD 21076 • (31.4 miles) • Full Time • 8/26/2025

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 a

Hanover, MD 21076 • (31.4 miles) • Full Time • 8/23/2025

Mantech seeks 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.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#, Pyth

Hanover, MD 21076 • (31.4 miles) • Full Time • 8/23/2025

ManTech seeks a motivated, career and customer-orientedLead CNO Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and 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 Opensearch APIs.Perform system and subsystem definit

Hanover, MD 21076 • (31.4 miles) • Full Time • 8/23/2025

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