Antenna 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.
Electromagnetic Modeling & Simulation Engineer Johns Hopkins Applied Physics Laboratory (APL)Electromagnetic Modeling & Simulation EngineerLaurel, MD$85,000–$195,000 / yearAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Prin Engineer (Underground Transmission) ExelonPrin Engineer (Underground Transmission)Washington, DC$122,400–$168,300Develops and/or leads teams in studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas, and telecommunication facilities/systems. We are a Fortune 200 company, 19,000 colleagues strong serving more than 10 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).
Senior Wireless Reverse Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Wireless Reverse EngineerLaurel, MD$105,000–$290,000 / yearHave deep knowledge of digital communications, signal processing, software-defined radio receiver design, modulation/demodulation, synchronization, channel coding, statistical signal processing, or detection theory. Have extensive experience with reverse-engineering platforms such as Ghidra, IDA Pro, Binary Ninja, or similar tools and with reverse engineering embedded devices, communications firmware, or wireless protocols.
Senior C++ Software Engineer - Multi-Mission Planning Development Johns Hopkins Applied Physics Laboratory (APL)Senior C++ Software Engineer - Multi-Mission Planning DevelopmentLaurel, MD$85,000–$195,000 / yearIn A5C, we develop and deploy advanced planning capabilities and solutions directly into the hands of the warfighter, empowering them to design dominant defenses for maximum performance across multiple simultaneous multiple missions, multiple services, and multiple command echelon planning levels and domains. Are you passionate about applying your talents to address the difficult challenges facing our warfighters such as Operationalizing Artificial Intelligence to support Achieving Robust Homeland and Theater Defenses, Accelerating Warfighting Capabilities in INDOPACOM, or Enabling Space Superiority? .
NewFullstack Engineer (TypeScript), AI Engineering: Duo Client SDK - Remote GitLabFullstack Engineer (TypeScript), AI Engineering: Duo Client SDK - RemoteWashington DC, DCRemote$115,200–$194,400 / yearThe same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. Were extracting it into a true software development kit (SDK): a set of well-versioned TypeScript packages that editor extensions, our web-based Duo Chat on GitLab.com, and eventually external applications can use.
NewBackend Engineer, AI Engineering: Duo Cha - Remote GitLabBackend Engineer, AI Engineering: Duo Cha - RemoteWashington DC, DCRemote$115,200–$194,400 / yearThe same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. Participate in Tier 2 or Tier 3 weekday, weekend, and occasional night on-call rotations to help troubleshoot product operations, security operations, and urgent engineering issues.
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.
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.
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.
Lead Systems Engineer DCS CorpLead Systems EngineerAberdeen, Maryland$123,639–$222,211 / yearSustainment and refreshment of capabilities; Configuration management, planning and strategy meetings, program review and coordination meetings; General systems engineering, systems implementation planning and system test and evaluation services; Prepare specifications, plans, analyses, modeling, testing, simulations and reports; Review engineering output in the areas of systems level operation and maintenance procedures, performance improvements criteria, tools assessments, metrics management, quality assurance, configuration management, technical orders, and maintenance practices; Conduct systems engineering trade-off analysis; Provides analysis related to the design, development, and integration of hardware, software, man-machine interfaces and all the systems level requirements to provide an integrated solution. Pay Range and Benefits: There are a variety of factors that can influence salary at DCS Corp, including but not limited to, geographic location, Federal Government contract labor categories and wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
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).
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.
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.
RF Test Engineer/ Principal RF Test Engineer- 2nd Shift Northrop Grumman CorpRF Test Engineer/ Principal RF Test Engineer- 2nd ShiftBaltimore, MD$87,600–$131,400 / yearBasic Qualifications for a Principal RF Test and Development Engineer: Bachelor''s degree in Electrical Engineering or related STEM field 5+ years of relevant experience; or a Master''s degree in Electrical Engineering or related STEM field 3+ years of relevant experience. Basic Qualifications for an RF Test and Development Engineer: Bachelor''s degree in Electrical Engineering or related STEM field 2+ years of relevant experience; or a Master''s degree in Electrical Engineering or related STEM field plus 0 years of experience.
NewRF Test Engineer/ Principal RF Test Engineer- 2Nd Shift Northrop GrummanRF Test Engineer/ Principal RF Test Engineer- 2Nd ShiftBaltimore, MD$87,600–$131,400 / yearBasic Qualifications for a Principal RF Test and Development Engineer: Bachelor's degree in Electrical Engineering or related STEM field 5+ years of relevant experience; or a Master's degree in Electrical Engineering or related STEM field 3+ years of relevant experience. Basic Qualifications for an RF Test and Development Engineer: Bachelor's degree in Electrical Engineering or related STEM field 2+ years of relevant experience; or a Master's degree in Electrical Engineering or related STEM field plus 0 years of experience.
Principal Antenna Test / Sr Principal Antenna Test Engineer Northrop Grumman CorpPrincipal Antenna Test / Sr Principal Antenna Test EngineerSykesville, MD$108,800–$163,200 / yearBasic Qualifications for the Sr Principal Antenna Test Engineer: Bachelor of Science degree in Electrical Engineering or related STEM discipline 8+ or more years of relevant experience; or a Master of Science degree in Electrical Engineering or related STEM discipline 6+ or more years of relevant experience. Basic Qualifications for the Principal Antenna Test Engineer: Bachelor of Science degree in Electrical Engineering or related STEM discipline 5+ or more years of relevant experience; or a Master of Science degree in Electrical Engineering or related STEM discipline 3+ or more years of relevant experience.
Test Engineer – Integration, Test, and Documentation Darkblade Systems, LLCTest Engineer – Integration, Test, and DocumentationAberdeen Proving Ground, Maryland$135,000–$155,000 / yearFull timeThe actual salary offered may vary based on various factors including but not limited to relevant experience, knowledge, skills and abilities, education, geographic location, as well as internal equity, and alignment to market data. CIS Secure is seeking a Test Engineer – Integration, Test, and Documentation to join our team supporting the REACT program at Aberdeen Proving Ground (APG), Maryland .
Test Engineer – Integration, Test, and Documentation CIS SecureTest Engineer – Integration, Test, and DocumentationAberdeen Proving Ground, Maryland$135,000–$155,000 / yearFull timeThe actual salary offered may vary based on various factors including but not limited to relevant experience, knowledge, skills and abilities, education, geographic location, as well as internal equity, and alignment to market data. CIS Secure is seeking a Test Engineer – Integration, Test, and Documentation to join our team supporting the REACT program at Aberdeen Proving Ground (APG), Maryland .
Electric Propulsion Test Engineer III - Propellant Feed System Test Stations Blue OriginElectric Propulsion Test Engineer III - Propellant Feed System Test StationsWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. If you share our passion for propulsion system development and testing, thrive in a dynamic startup environment, excel on integrated cross-functional teams of versatile individuals, are experienced and skilled in several relevant technologies listed below, continuously seek out opportunities to learn and improve, and do not allow title or job description to limit the depth or breadth of your contributions, then we would love to hear from you.