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.
NewSenior Network Infrastructure Engineer Quantum Leap Research, LLCSenior Network Infrastructure EngineerLeesburg, VA$155,000–$175,000 / yearQuantum Leap Research is seeking a Senior Network / Infrastructure Engineer to lead the design, deployment, and lifecycle management of complex, on-premise infrastructure environments. \nCompany Description Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG).
NewNetwork & IT Automation Engineer H5 Data CentersNetwork & IT Automation EngineerChantilly, VAThe Network / IT Automation Engineer is responsible for designing, implementing, and maintaining automated solutions that improve the reliability, scalability, and efficiency of the organization’s network and IT infrastructure. This role blends traditional networking expertise with modern automation and scripting skills to reduce manual effort, enhance uptime, and support growing operational needs.
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.
NewElectrical Engineer ActalentElectrical EngineerBaltimore, MD$40.87–$72.12 / hourContribute to existing building commissioning activities with a strong focus on electrical systems, including power distribution, lighting, lighting controls, fire alarms, and renewable energy systems. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.
NewSenior Engineer Alexton IncorporatedSenior EngineerLorton, VAdocumentation to support tracking and control of the utilization of DOE/HQ personnel, equipment, facility and supply resources which are required to support radio, conference audio. The engineer provides design, installation, operation and component level repair for conference audio and television systems at.
NewMechnical Test Engineer ActalentMechnical Test EngineerBaltimore, MD$38–$48 / hourThe environment is highly technical and engineering-focused, with access to test equipment, mechanical fixtures, automation components, pipetting and liquid handling tools, vortex equipment, and cameras or imaging systems for data capture. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.
Endpoint Engineer LeidosEndpoint EngineerBowie, MD$87,100–$157,450Ensure proper OS images are deployed to all endpoint devises, test and manage software updates, ensure appropriate and enforce security policies (EDR/AV), and automate workflows to ensure stable, compliant, and efficient computing environments for endpoint migrations. The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office.
NewSenior Ovation DCS Programmer / Control Systems Engineer Hazen and SawyerSenior Ovation DCS Programmer / Control Systems EngineerFairfax, VARemoteJob Description Hazen and Sawyer is seeking an experienced Senior Ovation DCS Programmer / Control Systems Engineer to support the design, implementation, commissioning, and long-term support of Emerson Ovation Distributed Control Systems for water and wastewater treatment facilities. The successful candidate will serve as a technical lead, supporting project delivery while mentoring junior staff and collaborating closely with operations, engineering, and project management teams.
NewSignal Processing Engineer ActalentSignal Processing EngineerManassas, VA$50–$80 / hourThe role includes substantial hands-on work in a large, approximately 100,000 square foot integration laboratory that houses multiple full system replicas, enabling end-to-end integration, testing, and performance tuning in a realistic setting. You work in a technically intensive environment focused on real-time sonar and undersea acoustic systems, leveraging C/C++, Python, MATLAB, and advanced signal processing techniques on Linux-based platforms.
NewSenior Plumbing Engineer (Hybrid schedule) RG Vanderweil.comSenior Plumbing Engineer (Hybrid schedule)Alexandria, VAProduce designs of Plumbing and Piping systems including sanitary waste and vents, storm water, natural gas, potable and non-potable water systems, water reuse systems, medical waste and gas systems. Lead with the design and construction teams on related portions of construction planning and visit the project construction site throughout the construction administration process along with field reports, RFI responses and submittal reviews.
NewData Center Mechanical Engineer H5 Data CentersData Center Mechanical EngineerAshburn, VAExperience in Data Center design, construction and commissioning including water cooled chiller plants, complex mechanical distribution systems, raised floor cooling system, automation, and control systems. Lead, review, and approve designs for data center upgrades which improve availability and efficiency, in addition to capacity increases and monitoring.
NewKubernetes Engineer ActalentKubernetes EngineerManassas, VA$65–$85 / hourWe are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service. If you would like to request a reasonable accommodation, such as the modification oradjustment of the job application process or interviewing process due to a disability,please email actalentaccommodation@actalentservices.com for other accommodation options.
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.
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.
NewSoftware Engineer ActalentSoftware EngineerColumbia, MD$38.46–$62.50 / hourEngineers benefit from a smaller company atmosphere where they can take on meaningful responsibilities, engage deeply with complex technical challenges, and participate in customer-facing activities, including occasional travel to customer sites for testing and integration. The environment emphasizes agile development practices, peer reviews, and close collaboration within a small engineering team, providing high visibility into programs and a clear line of sight between your work and its impact on mission-critical defense systems.
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.
Lead Systems Integration Engineer LeidosLead Systems Integration EngineerGlenwood, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 3, 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.
Senior DevOps Engineer LeidosSenior DevOps EngineerBurke, VA$107,900–$195,050p>The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. June 1, 2026 For 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.
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.