Systems Engineer IV Base One TechnologySystems Engineer IVArlington, VA$200,000–$220,000 / yearContractorSupporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services.
NewThermal Systems Engineer AGF TalentThermal Systems EngineerWashington, DC$130,000–$150,000 / yearDirect experience designing, building, and testing thermal energy systems, such as heat pumps, ORC systems, waste heat recovery, enhanced geothermal, ocean thermal, or similar technologies. This organization is building a first-of-its-kind class of energy-generating infrastructure, blending thermodynamics, marine systems, and power generation in ways that haven't been done before.
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.
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.
Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$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.
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).
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).
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.
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.
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.
NewLinux System Security Engineer Quantum Leap Research, LLCLinux System Security EngineerLeesburg, VAnCompany Description Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). B.S. in field of technology (Computer Science, Computer Engineering, etc.) with a minimum of 10 years experience in relevant field (Security Engineer, Linux Systems Administrator or similar role).
NewMechanical Engineer (HVAC Systems Design) Synchronicity Engineering, LLCMechanical Engineer (HVAC Systems Design)Washington, DCSpecialized expertise includes mechanical and electrical designs for mission critical facilities but also includes:\r\n- Facility Project Planning and Scoping\r\n- Project Management\r\n- Building Cx Services\r\n- Energy Modeling\r\n- MEP modeling including CFD and Power/Arc Flash Studies\r\n- Design-Build Projects We specialize in designing custom solutions for building infrastructure systems supporting a wide range of building types with a particular specialty in mission critical facilities.
Senior Systems Engineer Concurrent Engineering Lead LeidosSenior Systems Engineer Concurrent Engineering LeadGaithersburg, MD$107,900–$195,050The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights more efficient from gate to gate.
NewElectrical Engineer - Containers, Reefer & Thermal System CakeBoxx Technologies, LLCElectrical Engineer - Containers, Reefer & Thermal SystemMcLean, VA$100,000–$140,000 / yearTechnologies is an engineering and solutions company that develops integrated operational systems, deployable infrastructure, and mission-focused solutions for defense, aerospace, energy, and industrial customers.\r\nFor more than 15 years, organizations including Boeing, Lockheed Martin, Viasat, Rolls-Royce, AST SpaceMobile, Archer Aviation, and LeoLabs have trusted CakeBoxx to solve complex challenges involving mission-critical assets and technologies. CakeBoxx Technologies is an engineering and solutions company that develops integrated operational systems, deployable infrastructure, and mission-focused solutions for defense, aerospace, energy, and industrial customers.
NewNetwork Engineer (Palo Alto Firewall Platform) Edgewater Federal Solutions, Inc.Network Engineer (Palo Alto Firewall Platform)Washington, DC$120,000–$128,000 / yearEdgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Small Companies for 2018 through 2025. The Network Engineer works to maintain network reliability, resolve issues promptly, and collaborate with other IT teams to ensure that networking systems support the organization's operational needs.
NewNetwork Engineer Edgewater Federal Solutions, Inc.Network EngineerWashington, DC$120,000–$128,000 / yearEdgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Small Companies for 2018 through 2025. Edgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Small Companies for 2018 through 2025.
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.
NewNetwork Engineer III Ready Support ServicesNetwork Engineer IIIChantilly, VAreplacement network devices from backup configuration files, (6) Basic familiarity with VMware, Windows and Linux systems, (7) Willingness to ask questions when unsure how to perform needed duties and execute with a high level of accuracy and attention to detail in a production environment, (8) Experience with Brocade/Extreme and or Cisco networking environments, (9) Familairity with load balancing technologies, (10) Current and active Security certified CE + or IAT certified, (11) Familiarity with large scale networking configurations to include troubleshooting, deploying, and maintaining. (1) 5-8 years experience with switching and routing systems, (2) Must hold and maintain a current/active TS/SCI Clearance with CI-Poly , (3) Familiarity with ISP/ASP network environments, (4) Demonstrated judgement in managing competing priorities to meet program objectives, (5) Configures network devices for new deployments per direction of senior staff, configures.
NewNetwork Engineer - TS/SCI FSP Tenica and Associates LLCNetwork Engineer - TS/SCI FSPChantilly, VAFamiliarity with networking technologies including router/switch administration, ethernet and wireless networking and related protocols, hardware installation and support, system security techniques and firewall administration, basic database management. Experience with installation, configuration, problem resolution and maintenance of all network resources, systems and other IT-related technologies.
NewNetwork Engineer- Enterprise Infrastructure Goldman Edwards, Inc.Network Engineer- Enterprise InfrastructureWashington, DCResponsible for engineering, integrating, troubleshooting, and optimizing enterprise WAN/LAN environments supporting structured cabling systems, optical fiber infrastructure, wireless LAN, IPTV, Distributed Antenna Systems (DAS), DCIM platforms, telephony systems, physical access control systems, and associated enterprise technologies. Works closely with Program Management and technical Subject Matter Experts to ensure successful integration across all infrastructure platforms while supporting engineering reviews, system testing, commissioning, and operational transition.