NewRF Systems Engineer Space Systems IntegrationRF Systems EngineerChantilly, VA$180,000–$240,000 / yearThis role requires deep technical expertise in RF systems engineering, SATCOM, and network integration to enable resilient, high-performance communication systems for mission-critical applications. Apply antenna theory and design principles to phased arrays, parabolic reflectors, flat panel antennas, and systems requiring beam steering, polarization control, and precision tracking.
NewControl Systems Engineer (Japan - Onsite Position) RMC GlobalControl Systems Engineer (Japan - Onsite Position)Arlington, VAThe role requires regular collaboration with cybersecurity assessment teams and program managers, contributing to technical reports and client deliverables that document system integrity, performance, and any cybersecurity vulnerabilities with potential operational or mission impacts. The Engineer is also responsible for assisting in the development and validation of test plans, inspecting installed systems against design drawings and functional specifications, and ensuring integration of cybersecurity controls within engineering constraints.
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.
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 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 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 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.
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).
NewSystems Verification Engineer ActalentSystems Verification EngineerRockville, MD$55–$75 / hourThe position focuses on requirements verification, requirements traceability through the Requirements Verification Traceability Matrix (RVTM), and system-level validation across highly integrated hardware, software, and modeling subsystems in a multi-contractor environment. 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.
New6G System Architecture Research Engineer Ofinno6G System Architecture Research EngineerReston, VAStrong interpersonal skills, including active listening, fostering mutual respect, and building positive relationships with colleagues and stakeholders. You will be a part of innovative research projects, foster cross-disciplinary collaboration, and help position Ofinno as a trailblazer in the future of telecommunications.
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.
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 - Active Security Clearance CadreNetwork Engineer - Active Security ClearanceReston, VADuties:This Network Engineer performs the following core functions:Develop Datacenter, LAN, WAN, and Client Access networks/systemsIntegrate, Test, and deploy systemsPerform full lifecycle management of network systems (building, deploying, maintaining)Monitor networksPerform other duties as assigned at the discretion of Project Management Required Qualifications:Ability to obtain and maintain a TS/SCI with polyBachelor's degree preferred, in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline related to the specific skillMinimum of six (6) years of experience specific to the skill. Experience building, deploying, maintaining, Cisco Application Centric Infrastructure (ACI) networksExperience building, deploying, maintaining, Cisco ASAs via Firepower ManagementExperience building, deploying, maintaining, Cisco HyperflexExperience building, deploying, maintaining, Palo Alto Firewalls via PanoramaExperience building, deploying, maintaining, Citrix Application Delivery ControllersKnowledge with SIEM and security analytical technologies (e.g.
Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerBethesda, 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.
NewNetwork Engineer Global Enterprise Services, LLCNetwork EngineerFort Meade, MDThe Network Engineer – Sr – Design & Deployment will successfully lead surveys, assessments, and designs for replacement network components, end point devices, equipment, and software in execution of customer IT life-cycle management plans. Designs and installs architecture to include the software, hardware, and communications to support the network requirements as well as provide for present and future cross-functional requirements and interfaces.
NewONSITE Site Reliability Engineer - Senior Tensley Consulting, Inc.ONSITE Site Reliability Engineer - SeniorAnnapolis Junction, MD$136,000–$215,000 / yearThe SRE will work primarily across Google Cloud Platform and Microsoft cloud environments, including Microsoft Azure, Microsoft 365/O365, GCC High, and Gov Cloud, to design scalable infrastructure, modernize application deployments, build reusable automation frameworks, and deliver secure, repeatable, well-architected solutions. This is a hands-on senior engineering role focused on distributed systems, Infrastructure-as-Code, zero-trust architecture, cloud security, automation, platform engineering, and custom tooling — not traditional systems administration.
NewAerospace Engineer INFINITY SYSTEMS ENGINEERING LLCAerospace Engineer20693, MDWork with the spacecraft factories, RF and digital technicians, network engineers, software teams, and others during existing or new spacecraft into the ground command and control architectures, includes spacecraft designs reviews, integration, ground and on-orbit tests. Develop mission plans, check the logs for day and overnight activity, compiles system and network statistics, writes or modifies perform files, and evaluate and trend spacecraft performance.
Solution Architect / Engineer LeidosSolution Architect / EngineerCheltenham, MD$131,300–$237,350This role combines high level architectural design with deep technical implementation, requiring an individual who can define target-state architectures, build and optimize solutions, and guide modernization across hybrid and multi cloud environments. Proven hands-on experience designing and implementing solutions across hybrid/multi-cloud environments (AWS and Azure strongly preferred), on-premises data centers, virtualization platforms, and containerized workloads (e.g., Kubernetes/Docker).