NewLead Security Systems Technician Active Security Consulting LLCLead Security Systems TechnicianDulles, VA$35–$48 / hourActive Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. Technical Leadership: Perform complex troubleshooting and diagnostics, including advanced programming and system integration tasks, independently and collaboratively resolving complex issues on-site.
Senior System Engineer (Email Security Migration) System OneSenior System Engineer (Email Security Migration)Washington, DCResponsibilities : • Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSensor Systems Engineer - Radar Signal Processing and Sensor Systems Johns Hopkins Applied Physics Laboratory (APL)Sensor Systems Engineer - Radar Signal Processing and Sensor SystemsLaurel, MD$100,000–$245,000 / yearWe work closely with government sponsors and multidisciplinary teams to transition innovative concepts into operational capabilities, while fostering a collaborative environment that encourages technical excellence, hands-on learning, technical ownership, and leadership growth. This role is designed for engineers with 1-2 years of relevant experience who are ready to deepen their technical skills, take ownership of focused technical tasks, and grow into technical leadership responsibilities.
Systems Engineer, Linux and AI VisaSystems Engineer, Linux and AIAshburn, VA$88,000–$136,900 / yearAs an Associate Systems Engineer, you’ll join a global team that plans, implements, and supports secure, resilient endpoints and platforms—partnering closely with vendors and global support groups to deliver nimble, client‑centric solutions. Deploy models as APIs or services, integrate with existing applications, implement and tune orchestration around tools and plugins (MCP‑style connectors, function‑calling schemas, vector DBs), including prompt design, safety/guardrails, and evaluation of agent behavior.
NewInteroperability and Communications Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Interoperability and Communications Systems EngineerLaurel, MD$105,000–$290,000 / yearDescription Are you a committed problem-solver with passion for operational tactical data communications? Do you thrive working collaboratively where creativity is encouraged? If so, we're looking for you to join our systems interoperability team at APL! We are seeking creative, motivated, and hard-working engineer who is pas...
NewDecision Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Decision Systems EngineerLaurel, MD$85,000–$195,000 / yearYou will serve on a highly motivated multi-disciplinary team that: develops and evaluates new capabilities; figures out how to implement those capabilities in new or existing systems; uses models and simulations to evaluate different options; translates selected concepts into specific functional and performance requirements; and presents results in technical meetings and program reviews with government, contractor, and research laboratory participants. Your primary responsibility will be to contribute to systems engineering activities on sophisticated air, missile, and multi-domain defense programs, in the context of a focused digital engineering development process.
NewCombat Systems Data Technician Johns Hopkins Applied Physics Laboratory (APL)Combat Systems Data TechnicianLaurel, MD$25.30–$50 / hourThe Signal and Systems Analysis Group (KTA) provides data-driven design and analytical assessments of Anti-Submarine Warfare (ASW) system performance with operator in-the-loop to advance the warfighting capabilities of current and future systems. You will coordinate the data service requests and technological improvements across project teams, IT teams, and management in order to deliver data products that meet the requirements and end users’ needs.
NewAntenna Systems & Hardware Engineer Johns Hopkins Applied Physics Laboratory (APL)Antenna Systems & Hardware EngineerLaurel, MD$105,000–$290,000 / yearDevelop and apply antenna and RF aperture modeling and simulation tools (e.g., full-wave EM solvers, array analysis codes, custom MATLAB/Python tools) to design, analyze, and trade antenna and array performance across a variety of operational scenarios. Plan, execute, and analyze antenna and RF aperture measurements in laboratory, chamber, and field test environments, including radiation pattern measurements, gain and efficiency, impedance, polarization characteristics, and array calibration.
NewSr. Radar Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Sr. Radar Systems EngineerLaurel, MD$100,000–$245,000 / yearIdentify emergent phenomenology, troubleshoot problems affecting sensor performance, and work with a broad network of experts—including prime contractors, government labs, RF‑propagation and meteorology specialists, software developers, combat‑system engineers, and physicists—to deliver integrated solutions. Collaborative Culture: Join a highly motivated, interdisciplinary team of sensor engineers, RF‑propagation and meteorology specialists, software developers, combat‑system engineers, and physicists—all focused on solving complex, mission‑critical problems.
NewEmbedded Systems Design Engineer Johns Hopkins Applied Physics Laboratory (APL)Embedded Systems Design EngineerLaurel, MD$100,000–$245,000 / yearYou 'll be joining our hardworking team of system engineers, algorithm developers, FPGA and embedded software engineers, and advanced EW technology enthusiasts who enjoy working together to craft creative solutions to complex challenges in addition to bringing real solutions from concept to prototyping. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
NewSenior Data Fusion and Tracking Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Data Fusion and Tracking Systems EngineerLaurel, MD$100,000–$245,000 / yearThe Multi-Domain Sensing Architectures and Data Fusion Group develops advanced sensing, tracking, and data fusion algorithms that enable next-generation air and missile defense capabilities. Have experience developing and evaluating tracking algorithms through modeling, simulation, analysis, and test data assessment using MATLAB, Python, C/C++, Julia, or similar scientific programming languages.
NewWeapons Systems Test Engineer Johns Hopkins Applied Physics Laboratory (APL)Weapons Systems Test EngineerLaurel, MD$100,000–$245,000 / yearLead and contribute to multidisciplinary teams comprised of government sponsors, government labs, industry partners, and other UARCs/FFRDCs focusing on requirements decomposition and analysis, concept/technology development, acquisition, test planning and execution, system evaluation, post test data analysis decision support, and risk assessments. Have 3+ years of systems test engineering experience in the development and test and evaluation of complex systems, including one or more of the following: system requirements analysis; understanding system design and architecture; testing and analysis within a weapon/missile system development cycle; system verification and validation; ground / flight test planning and execution.
Sr Linux Systems Administrator Twenty80 LLCSr Linux Systems AdministratorAnnapolis, MDIn this role, you'll work within a large software development environment, ensuring enterprise systems remain secure, reliable, and highly available while implementing automated infrastructure to support next-generation malware analysis, cyber orchestration, and data enrichment capabilities. Network Performance: Strong ability to diagnose connectivity issues, resolve critical network outages, and optimize network performance by eliminating data bottlenecks.
NewHybrid Systems Engineer - Cybersecurity JobotHybrid Systems Engineer - CybersecurityManassas, VA$115,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The team brings together engineers and technical experts to solve complex problems across systems engineering, cybersecurity, testing, logistics, and program execution.
NewElectronic Security Sales Account Executive Johnson ControlsElectronic Security Sales Account ExecutiveWashington, DCBuild and develop an account portfolio in assigned territory primarily through prospecting, business development activities, capture of competitive solicitations and the sale of security solutions through current and new contract vehicles. Assist application engineering resources in the solution design of building security systems (i.e., Access Controls, Intrusion Detection Systems, Video Surveillance Systems, data networks, etc.) at federal government sites.
NewSoftware Systems Engineer (Linux/Windows/Clearance) JobotSoftware Systems Engineer (Linux/Windows/Clearance)Manassas, VA$80,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
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.
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.
NewCyber Systems Engineer MANTECHCyber Systems EngineerWashington, DCParticipate as a team member in conducting independent Technical Assessments of Acquisition Programs as a Cyber SME by analyzing technical artifacts, identifying sources of technical risk, and assisting the program to develop and implement risk mitigation plans. Technical and/or Cybersecurity experience, such as evaluating the cybersecurity and cyber resilience of IT programs, conducting technological maturity assessments, conducting technical reviews, managing technical risk, and developing requirements.
Systems Integration Engineer LeidosSystems Integration EngineerMount Airy, 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 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.