C++ Software Engineer iBoss CybersecurityC++ Software EngineerWashington, DCiboss is a leading AI-powered Zero Trust SASE (Secure Access Service Edge) platform trusted by more than 4,000 enterprises worldwide, including a significant number of Fortune 50 companies and U.S. government agencies. Leveraging a purpose-built cloud architecture backed by 230+ issued and pending patents and more than 100 points of presence globally, iboss processes over 150 billion transactions daily, blocking 4 billion threats per day.
Cloud Software Engineer, TS/SCI w/Poly PeratonCloud Software Engineer, TS/SCI w/PolyAnnapolis Junction, Maryland$176,000–$282,000 / yearFull timePeraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. The team is looking for someone that is knowledgeable with data enrichment/conversion methods, familiar with data ontologies/schemas, strong knowledge of structured data types (XML, CSV, JSON), and has database experience.
Senior Systems Engineer ClearEdgeSenior Systems EngineerAnnapolis Junction, MDCheck out our extremely competitive benefits package at clearedgeit.com/benefits which includes a 10k annual training/education benefit, tech bonuses, and state of the art technology lab. The position calls for leadership of the overall technical integrity, quality, and completeness of work performed as well as support to project planning assessment, control, and risk management of overall program.
AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics LaboratoryAI-Enabled Cyber Capabilities DeveloperLaurel, MarylandFull timeIt requires designing AI-native architectures, orchestrating tool-using agents, and rapidly iterating on prototypes that demonstrate functional, outcome-driven impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Software Engineer 2 - Team Lead (Cloud/Dev Ops) Navius TechnologiesSoftware Engineer 2 - Team Lead (Cloud/Dev Ops)Annapolis Junction, MarylandContribute to system-level design, including hardware/software tradeoffs, software reuse strategies, and effective use of COTS/GOTS components versus new development. Bachelor's degree in Computer Engineering, Computer Science, Electrical Engineering, Math, or Physics is required, or an equivalent combination of education, training, and experience.
Senior Hardware Reverse Engineer Johns Hopkins Applied Physics LaboratorySenior Hardware Reverse EngineerLaurel, MarylandFull timeWe strive to foster an innovative and collaborative team environment where engineers can hack the latest technologies to find and exploit vulnerabilities to solve the hardest national security challenges and have real-world impact. Our team specializes in software and hardware reverse engineering, vulnerability research, and developing proof-of-concept offensive cyber capabilities with a focus on embedded systems.
Sr. Software Engineer TS/SCI Polygraph HANOVER LeidosSr. Software Engineer TS/SCI Polygraph HANOVERHanover, Maryland$131,300–$237,350 / yearJune 11, 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. Our 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.
Quantum Space General Interest Application Quantum SpaceQuantum Space General Interest ApplicationRockville, MarylandPast work inclusive of, but not limited to, the following fields: Artificial intelligence & machine learning, image processing, data science, mission and spacecraft systems, flight hardware, flight software, PNT, space domain awareness, flight operations. Quantum Space is leading the next commercial space frontier with the development of our lunar constellation to provide data buy services, host payloads/instruments, deploy spacecraft, and perform space logistics for our partners. .
Reverse Engineer / Cyber Capabilities Engineer Johns Hopkins Applied Physics LaboratoryReverse Engineer / Cyber Capabilities EngineerLaurel, MarylandFull timeOur elite team of reverse engineers is growing, and we're looking for engineers who are excited to dive deep into complex embedded systems, discover vulnerabilities, and build offensive cyber capabilities that solve real-world national security challenges. Work alongside APL experts in domains such as missile defense, space, and maritime systems to understand the operational significance of your reverse engineering discoveries.
AI Implementation Engineer - JobID-0245 Innovative Defense TechnologiesAI Implementation Engineer - JobID-0245Arlington, Virginia$114,000–$231,000 / yearDevelop Retrieval Pipelines for On-Prem systems in Air-Gapped environment: Build and optimize Retrieval-Augmented Generation (RAG) pipelines that connect models to live knowledge sources, structured data, and enterprise content to improve factual grounding, contextual relevance, and response quality. Integrate Models and Tools for On-Prem systems in Air-Gapped environment: Develop integrations across LLMs, APIs, data sources, and Model Context Protocol (MCP) interfaces to enable intelligent agents to interact with external systems, retrieve context, and take action safely and reliably.
Threat Engineer Johns Hopkins Applied Physics LaboratoryThreat EngineerLaurel, MarylandFull timeThe A4H Applied Technologies and Threat Engineering Group develops non-kinetic engagement strategies by combining a detailed understanding of threat systems (ballistic missiles, cruise missiles and similar systems) with advanced non-kinetic technologies. M.S. degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Computer Engineering, Computer Science, Software Engineering or equivalent.
Senior Systems Architect LeidosSenior Systems ArchitectGaithersburg, MarylandAugust 20, 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. Bachelor’s degree in Computer Science, Computer Engineering, Systems Engineering or related technical discipline and 8-12 years of prior relevant experience or equivalent experience.
2027 PhD Graduate - Cyber Vulnerability Researcher Johns Hopkins Applied Physics Laboratory2027 PhD Graduate - Cyber Vulnerability ResearcherLaurel, MarylandFull timeAs a multidisciplinary research center, APL also encourages collaboration across disciplines, giving you the opportunity to work alongside world-class experts in fields such as artificial intelligence, biotechnology, space exploration, radio communications, and additive manufacturing. APL 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.
Senior Systems Engineer - Electronic Warfare SME MAG AerospaceSenior Systems Engineer - Electronic Warfare SMEAberdeen Proving Ground, MarylandFull timeSalary at MAG Aerospace is determined by various factors including but not limited to location, the particular combination of education, knowledge, skills, competencies, and experience as well as contract-specific affordability and organizational requirements. Essential Duties and Responsibilities: Exercise a strong knowledge of ELINT systems and subsystems to develop system and subsystem specifications necessary for meeting performance metrics against a given set of threat signals of interest.
Combat System Analyst Johns Hopkins Applied Physics LaboratoryCombat System AnalystLaurel, MarylandFull timeAPL 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. This role involves evaluating the performance of current and future Aegis Combat System baselines and future Coordinated Air and Missile Defense (IAMD) architectures such as Golden Dome for America (GDA).
Principal Cloud Engineer Meso Scale DiscoveryPrincipal Cloud EngineerAll, MD$116,600–$177,800 / yearPartner with Cybersecurity on cloud security engineering: IAM, KMS encryption, secrets management, GuardDuty, Security Hub, AWS Config, vulnerability management, and SIEM (SIEMonster/Wazuh) integration; lead remediation of cloud security findings. Strong cloud security engineering knowledge: IAM design at scale, KMS and secrets management, GuardDuty/Security Hub/AWS Config, vulnerability management, and integration with enterprise SIEM platforms (Wazuh, Splunk, Sentinel, or comparable).
Principal Developer Teamcenterx Meso Scale DiscoveryPrincipal Developer TeamcenterxAll, MD$116,600–$177,800 / yearThe position owns the technical architecture for server-side customization (ITK, SOA, custom handlers), codeful BMIDE extensions, Active Workspace Client (AWC) customization, and integrations connecting Teamcenter with JD Edwards ERP, CAD systems, manufacturing systems, and downstream consumers across MSD's digital thread. Architect integrations between Teamcenter X and downstream/upstream systems (JD Edwards ERP, MES, CAD, quality systems, middleware) using T4S, T4EA, SOA, REST, and message-based patterns; own end-to-end integration design across the MSD digital thread.
2027 Graduate - Subsea Robotics Engineer - Maritime Robotics Johns Hopkins Applied Physics Laboratory2027 Graduate - Subsea Robotics Engineer - Maritime RoboticsLaurel, MarylandFull timeDevelop robotics software for Autonomous Underwater Vehicles (AUVs), Remotely Operated Vehicles (ROVs), and other subsea robotic systems using ROS 2. Design, implement, and maintain modular software in C++ and Python on Linux-based systems. Have a Bachelor's or Master's degree in Robotics, Mechanical Engineering, Electrical Engineering, Computer Science, Computer Engineering, Ocean Engineering, Aerospace Engineering, or a related technical field.
Data Engineer Booz Allen HamiltonData EngineerArlington, VirginiaExperience deploying analytics workloads on a platform as a service (PaaS) and software as a service (SaaS), including AWS EMR, Redshift, SageMaker, Databricks, SQL Data Warehouse, or Machine Learning service. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Hardware Systems Engineer LeidosHardware Systems EngineerGaithersburg, MarylandExperience working in one or more of the Federal Aviation Administration (FAA) facilities including Continental United States (CONUS) Air Route Traffic Control Centers (ARTCCs), the FAA William J. Hughes Technical Center (WJHTC), or the FAA Air Traffic Controller Academy (FAAAC). • Create and update Computer Aided Design (CAD) drawings, Microsoft Visio drawings, Cable Marking Specifications, Retrofit and Workbook Installation Instructions, System Bills of Material (BOMs) and Parts Lists, and support Computer Rack and Operator Console builds.