NewLead Systems Engineer Dev Technology GroupLead Systems EngineerSuitland, MD$120,000–$160,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. This role provides technical and management leadership on major engineering assignments, translating business requirements into technical solutions and driving the implementation of scaled agile methodologies across a System of Systems (SoS).
Senior Systems Engineer LeidosSenior Systems EngineerLaurel, MD$131,300–$237,350This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP).
Systems Engineer LeidosSystems EngineerTemple Hills, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Lead Systems Engineer LeidosLead Systems EngineerBurke, VA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewLead Security Engineer Dev Technology GroupLead Security EngineerSuitland, MD$120,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Collaborate with application developers, data engineers, systems engineers, and OIS to identify and mitigate vulnerabilities, and provide expert security consultation to development teams.
Data Storage Engineer LeidosData Storage EngineerPoolesville, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Extensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies.
Senior Network Engineer LeidosSenior Network EngineerAccokeek, MD$107,900–$195,050The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Active Directory Architect / Engineer LeidosActive Directory Architect / EngineerArlington, VA$131,300–$237,350Design, deploy, upgrade, and administer Active Directory Domain Services, including domain controllers, forests, domains, trusts, and replication topologies (i.e. Manage and optimize Group Policy Objects (GPOs), OU structures, and security baselines; including object management through bulk operations and automation, Troubleshoot and resolve complex AD-related issues, including authentication failures, replication problems, DNS issues, and Kerberos/NTLM problems, Plan and execute Active Directory migrations, consolidations, and upgrades (of both underlying server infrastructure and overall forest/domain functional levels), Develop and maintain disaster recovery, backup, and restore procedures for AD environments (including AD Recycle Bin and authoritative restores), Monitor AD health and performance using tools such as Microsoft System Center, Azure Monitor, or third-party solutions). Deep expertise in designing, deploying, upgrading, and administering Microsoft Active Directory Domain Services (AD DS), including domain controllers, multi-domain/forest architectures, trusts, replication topologies, Group Policy Objects (GPOs), OU design, and security baselines.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewData Visualization Engineer (Qlik) Dev Technology GroupData Visualization Engineer (Qlik)Ashburn, VAAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Bachelor's degree plus 3+ years of overall technical experience, including analysis or development roles with databases, data integration, data mining, big data, data visualization.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerAlexandria, VA$107,900–$195,050Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field. Your role will directly support our diverse portfolio of programs through a combination of requirements and design architecture analysis; MBSE Model development; mentoring junior engineers and assisting technical leadership develop briefing material.
Systems Engineer - Mid Level DCS CorpSystems Engineer - Mid LevelQuantico, VirginiaReview, analyze, develop, and comment on technical documentation (e.g., DLA 339s, requirements, CAD files, test plans/reports, technical review documents, engineering change documents, processes and procedures) to address vehicle issues and identify technical risks. Represent the Program Office on site and provide the primary communication conduit for engineering issues related to the Depot PoP and Inspect and Repair Only As Necessary (IROAN) of ACVs (manufacturing processes; plant operations; production quality).
Model-Based Systems Engineer LeidosModel-Based Systems EngineerWashington, DC$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerClarksburg, MD$131,300–$237,350Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) Virginia Tech Applied Research CorporationSenior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME)Arlington, VA$200,000–$275,000 / yearVT-ARC is seeking a Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) to support enterprise systems engineering, secure infrastructure modernization, classified enclave implementation, and operational transition for mission-critical enterprise communications, network modernization, and cyber programs within TS/SCI environments. The selected candidate will design, implement, and sustain secure enterprise systems capabilities across Windows, Linux, virtualization, directory services, DNS/DHCP/NTP, PKI/certificates, storage, backup and recovery, monitoring, patching, configuration management, and automation.
Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME) Virginia Tech Applied Research CorporationSenior Cyber Infrastructure Engineer & Architect (Security Platforms SME)Arlington, VA$200,000–$275,000 / yearVT-ARC is seeking a Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME) to support cybersecurity platform engineering, security infrastructure modernization, automation, and operationalization for mission-critical enterprise communications, network modernization, and secure infrastructure programs within TS/SCI environments. The selected candidate will help architect, deploy, integrate, and sustain security operations platforms such as SIEM, EDR/XDR, enterprise vulnerability scanning, security telemetry pipelines, log collection infrastructure, compliance and configuration monitoring, and API-driven security workflows.
NewSenior Systems/ Infrastructure Engineer AmentumSenior Systems/ Infrastructure EngineerMcLean, VirginiaEnterprise Backup and Recovery: Candidate must have advanced experience with enterprise backup and disaster recovery solutions with the design, configuration, scheduling, validation, and restore/recovery for both physical & virtual machines and application software (Exchange, SQL) Candidate must be capable of ensuring critical systems are properly backed up, recoverable, and tested in accordance with organizational requirements. Cisco Networking and General Networking : Candidate must have high-level networking experience with strong Cisco administration skills with network segmentation, VLANs, VPN, ACLs, routing/switching, port security, and firewalls.
NewWindows Infrastructure Engineer CACIWindows Infrastructure EngineerChantilly, VirginiaPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You will be a proactive self-starter requiring minimal supervision who can monitor existing infrastructure, identify and coordinate implementation changes to address problems or engineering changes with little to no impact to the end users.
Systems Engineer – VMware Horizon / VDI Infrastructure Staffed4USystems Engineer – VMware Horizon / VDI InfrastructureChantilly, VirginiaThis role supports technical risk assessment and mitigation activities across a broad range of enterprise technologies, including IT systems and networks, mobile and wireless networks, cloud-based computing, network management platforms, communication protocols, scripting and programming products, configuration scripts, and IT hardware and software products. The Systems Engineer will be responsible for designing, deploying, and optimizing a secure, scalable, high-performance VMware Horizon-based Virtual Desktop Infrastructure (VDI) environment using vSphere and Cisco HyperFlex .