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.
Senior Data Scientist (Senior Software Developer; Systems Software) Avid Technology Professionals LLCSenior Data Scientist (Senior Software Developer; Systems Software)Columbia, MDExtensive experience with various database technologies including graph databases (e.g., Neo4j), SQL databases (e.g., PostgreSQL, MySQL), NoSQL databases (e.g., MongoDB, Cassandra), and vector databases. Qualifications - Degree from an accredited college or university in System Engineering or related discipline and one of the following: - 10+ years of experience with a Master's degree - 12+ years of experience with a Bachelor's degree - 16+ years of experience with Associate's Degree or HS Diploma.
Software Developer, Systems Software MATRIX SYSTEMS & TECHNOLOGIES INCSoftware Developer, Systems SoftwareBowie, MDRemoteProven experience in building fault-tolerant systems for high availability. **Candidate must hold MBI Clearance with IRS experience**.
Embedded Operating System Software Developer - Level 3 or 4 Northrop Grumman CorpEmbedded Operating System Software Developer - Level 3 or 4MD$108,800–$163,200 / yearBasic Qualifications for Level 4 (Sr Principal): Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or another STEM discipline with a minimum of 8 years of software development experience working on embedded real-time systems - OR - Master's degree in Computer Science, Computer Engineering, Software Engineering, or another STEM discipline with 6 years of software development experience working on embedded real-time systems - OR PhD degree in Computer Science, Computer Engineering, Software Engineering, or another STEM discipline with 4 years of software development experience working on embedded real-time systems. Basic Qualifications for Level 3 (Principal): Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or another STEM discipline with a minimum of 5 years of software development experience working on embedded real-time systems - OR - Master's degree in Computer Science, Computer Engineering, Software Engineering, or another STEM discipline with 3 years of software development experience working on embedded real-time systems - OR PhD degree in Computer Science, Computer Engineering, Software Engineering, or another STEM discipline with 1 year of software development experience working on embedded real-time systems.
Systems and Software Developer 4 CACI International IncSystems and Software Developer 4Aberdeen Proving Ground, MD$53,100–$106,300 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. The Opportunity: CACI is currently seeking a Systems and Software Developer to research, design, and develop computer and network software or specialized utility programs.
Data Scientist - AI/ML (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist - AI/ML (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
Data Scientist, Principal (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist, Principal (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
Data Scientist (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
SIGINT Systems Developer CymertekSIGINT Systems DeveloperAnnapolis JunctionSIGINT Engineer, Signals Processing Developer, Intelligence Systems Developer, RF Systems Engineer, Communications Systems Developer, Cyber Intelligence Developer, Embedded Systems Developer, Electronic Warfare Engineer, Signal Analysis Engineer, Systems Integration Engineer, Intelligence Solutions Architect, etc. Electrical Engineering, Computer Science, Information Systems, Software Engineering, Systems Engineering, Signal Processing, Telecommunications, Cybersecurity, Data Science, Computer Engineering, Physics, Mathematics, etc.
Business Systems Developer Social Security AdministrationBusiness Systems DeveloperWoodlawn, MD$13–$15 / hourTravel Required Not required Relocation expenses reimbursed No Appointment type Permanent Work schedule Full-time - Flextime and Alternate Work Schedules are available Service Competitive Promotion potential None Job family Series 2210 Information Technology Management Supervisory status No Security clearance Not Required Drug test No Position sensitivity and risk High Risk HR Trust determination process Suitability Fitness Financial disclosure Yes Bargaining unit status No Announcement number SH12871142-26-DHA Control number 855342800. MENU Sign in My jobs Profile Resumes & documents Search preferences Notifications Sign out My jobs Profile Resumes & documents Notifications Search preferences Sign out Events Help Center Search Back to results Apply Business Systems Developer Social Security Administration Chief Information Officer CIO Apply Print Share Save.
CNO Software Developer with C and Python CymertekCNO Software Developer with C and PythonAnnapolis JunctionCNO Software Engineer, Network Security Software Developer, Network Operations Engineer, Cybersecurity Software Developer, C and Python Software Engineer, Systems Software Developer, Embedded Software Engineer, Security Systems Developer, Network Infrastructure Developer, Cyber Defense Software Engineer, etc. Computer Science, Cybersecurity, Network Engineering, Software Engineering, Information Technology, Computer Engineering, Electrical Engineering, Applied Mathematics, Information Systems, Data Science, Telecommunications, etc.
Senior Software Engineer Java / AWS / Metadata & Document Systems ConsultNetSenior Software Engineer Java / AWS / Metadata & Document SystemsRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. The ideal candidate brings strong system design capabilities, experience managing unstructured data repositories at massive scale, and the ability to mentor engineers while contributing hands-on across the full software development lifecycle.
Agile Developer L3 - Systems Automation Power3 SolutionsAgile Developer L3 - Systems AutomationAnnapolis JunctionThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. Desired Skills : (1 of the below): Playwright, Cucumber, JMeter, Swagger (or similar API tool), Selenium Tools: Cypress, 508 testing tools (JAWS or NVDA).
NewAgile Developer L3 - Systems Automation Technology Resource ExpertsAgile Developer L3 - Systems AutomationAnnapolis JunctionThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. Desired Skills : (1 of the below): Playwright, Cucumber, JMeter, Swagger (or similar API tool), Selenium Tools: Cypress, 508 testing tools (JAWS or NVDA).
Software Engineer 2 - Mission Software & Data Systems Navius TechnologiesSoftware Engineer 2 - Mission Software & Data SystemsAnnapolis JunctionDevelop software solutions by analyzing system performance, working with system engineers and users, and investigating data flows and processing logic. Position Overview: Navius Technologies is seeking a highly skilled Software Engineer Level 2 to support mission-critical programs in a secure environment.
Software Developer Nightwing Intelligence SolutionsSoftware DeveloperAnnapolis Junction, Maryland$64,000–$128,000 / yearOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Software Engineer, Classification Systems (JavaScript) CACISoftware Engineer, Classification Systems (JavaScript)Hanover, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Bachelor’s degree in Computer Engineering, Computer Science, or related field (or 4 years of additional software engineering experience in lieu of degree, totaling 7 years).
Terrestrial Software Systems Engineer CymertekTerrestrial Software Systems EngineerAnnapolis JunctionGround Systems Engineer, Earth-Based Systems Developer, Ground Control Software Engineer, Terrestrial Platform Developer, Land Systems Software Engineer, Infrastructure Software Engineer, Surface Systems Developer, Ground Operations Engineer, Terrestrial Applications Engineer, Ground-Based Systems Specialist, etc. Software Engineering, Computer Science, Systems Engineering, Electrical Engineering, Aerospace Engineering, Information Technology, Mechanical Engineering, Data Science, Environmental Engineering, Physics, etc.
Strategic Systems Software Engineer Johns Hopkins University Applied Physics Laboratory LLCStrategic Systems Software EngineerLaurel, MDWe're looking for engineers who see opportunities where others see constraints-people who leverage automation, AI-assisted development tools, DevSecOps, and modern software architectures to accelerate delivery, improve quality, and enable our team to support more programs with greater efficiency. The Software Engineering and Data Transformation Group (KBE), within the Strategic Deterrence Mission Area of the Force Projection Sector, supports the data architecture, collection, processing, and distribution required to evaluate Strategic Weapon Systems.
Software Engineer, Classification Systems (JavaScript) CACI International IncSoftware Engineer, Classification Systems (JavaScript)Hanover, MD$79,400–$162,700 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Bachelor's degree in Computer Engineering, Computer Science, or related field (or 4 years of additional software engineering experience in lieu of degree, totaling 7 years).
Space Systems Software Engineer CymertekSpace Systems Software EngineerAnnapolis JunctionSatellite Software Engineer, Aerospace Software Engineer, Spacecraft Software Engineer, Space Systems Engineer, Embedded Systems Engineer, Space Systems Developer, Space Software Developer, Flight Software Engineer, Space Mission Software Engineer, Spacecraft Integration Engineer, etc. Aerospace Engineering, Computer Science, Software Engineering, Systems Engineering, Electrical Engineering, Mechanical Engineering, Robotics, Physics, Telecommunications Engineering, Applied Mathematics, etc.
Senior Software Engineer – Java / AWS / Metadata & Document Systems ConsultNetSenior Software Engineer – Java / AWS / Metadata & Document SystemsRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. The ideal candidate brings strong system design capabilities, experience managing unstructured data repositories at massive scale, and the ability to mentor engineers while contributing hands-on across the full software development lifecycle.
Full Stack Software Engineer, Strategic Systems Johns Hopkins University Applied Physics Laboratory LLCFull Stack Software Engineer, Strategic SystemsLaurel, MDThe Software Engineering and Data Transformation Group (KBE), within the Strategic Deterrence Mission Area of the Force Projection Sector, supports the data architecture, collection, processing, and distribution required to evaluate Strategic Weapon Systems. We are seeking a dynamic, technically curious, and results-oriented software engineer to develop and deploy high-quality, resilient, and scalable software solutions that meet and exceed end user needs.
Senior Software / Systems Engineer iOS / C++ (Remote) System OneSenior Software / Systems Engineer iOS / C++ (Remote)Baltimore, MarylandRemoteValidate and tune OpenVPN 3's built-in ASIO transport inside the Network Extension sandbox, including network-transition handling (WiFi to cellular, airplane mode, path changes) and dual-stack edge cases . Subclass OpenVPNClient from the OpenVPN 3 client API and implement the TunBuilder interface (tunnel configuration, routes, DNS, MTU, gateway, dual-stackIPv4 and IPv6).
Multidisciplinary Systems Engineer (Electronics/Software) WGS SYSTEMS LLCMultidisciplinary Systems Engineer (Electronics/Software)Frederick, MDYou'll contribute approximately 50% of your time to electronics engineering tasks (circuit design, PCB layout, hardware debugging, sensor integration) and 50% to software development (embedded systems, firmware development, data acquisition, and analytics infrastructure support). This hybrid role offers unique exposure to both hardware and software disciplines, ideal for someone who enjoys variety and wants to build broad systems engineering capabilities in the defense/aerospace sector.
Senior Software Systems Engineer (L3) Power3 SolutionsSenior Software Systems Engineer (L3)Annapolis JunctionYou'll work directly with technical teams and stakeholders to shape complex system architectures, integrate scalable software solutions, and ensure end-to-end technical alignment using modern engineering frameworks. Key Responsibilities: Lead or contribute to Integrated Product Teams (IPTs) focused on designing and developing complex software-centric capabilities.
Senior Software Systems Engineer- TS/SCI with Poly Navius TechnologiesSenior Software Systems Engineer- TS/SCI with PolyAnnapolis JunctionYou'll work directly with technical teams and stakeholders to shape complex system architectures, integrate scalable software solutions, and ensure end-to-end technical alignment using modern engineering frameworks. Navius Technologies is a mission-driven technology startup built by a team of high-performance professionals with decades of combined experience in the Intelligence Community, cybersecurity, and commercial sectors.
Strategic Systems Software Engineer Johns Hopkins Applied Physics LaboratoryStrategic Systems Software EngineerLaurel, MarylandFull timeWe're looking for engineers who see opportunities where others see constraints—people who leverage automation, AI-assisted development tools, DevSecOps, and modern software architectures to accelerate delivery, improve quality, and enable our team to support more programs with greater efficiency. The Software Engineering and Data Transformation Group (KBE), within the Strategic Deterrence Mission Area of the Force Projection Sector, supports the data architecture, collection, processing, and distribution required to evaluate Strategic Weapon Systems.
Multidisciplinary Systems Engineer (Electronics/Software) Wgs SystemsMultidisciplinary Systems Engineer (Electronics/Software)Frederick, MarylandYou'll contribute approximately 50% of your time to electronics engineering tasks (circuit design, PCB layout, hardware debugging, sensor integration) and 50% to software development (embedded systems, firmware development, data acquisition, and analytics infrastructure support). This hybrid role offers unique exposure to both hardware and software disciplines, ideal for someone who enjoys variety and wants to build broad systems engineering capabilities in the defense/aerospace sector.
SIGINT Software Developer CymertekSIGINT Software DeveloperAnnapolis JunctionSoftware Engineer, SIGINT Analyst, Intelligence Systems Developer, Cybersecurity Software Developer, Signals Data Engineer, Embedded Systems Developer, Intelligence Application Developer, Full Stack Developer, Backend Developer, Data Processing Engineer, etc. Computer Science, Software Engineering, Electrical Engineering, Cybersecurity, Information Technology, Data Science, Systems Engineering, Mathematics, Artificial Intelligence, Information Systems, etc.
Cross-Domain Software Developer CymertekCross-Domain Software DeveloperAnnapolis JunctionCross-Domain Solutions Developer, Secure Data Transfer Developer, Information Assurance Developer, Software Security Engineer, Cybersecurity Software Developer, Secure Systems Developer, Data Protection Software Engineer, Network Security Developer, Cross-Domain Architect, Secure Application Developer, Secure Integration Engineer, Software Developer for Classified Systems, Secure Communication Systems Developer, Information Security Software Engineer, Secure Systems Analyst, Cross-Domain Interface Developer, Secure Middleware Developer, Secure Systems Programmer, Embedded Systems Security Developer, etc. Computer Science, Software Engineering, Cybersecurity, Information Technology, Information Systems, Computer Engineering, Systems Engineering, Network Engineering, Applied Mathematics, Data Science, Information Assurance, Cryptography, Digital Forensics, Telecommunications, Artificial Intelligence, Secure Communications, Electrical Engineering, Computational Science, Secure Software Development, Embedded Systems Engineering, etc.
Principal Software Engineer (AI - Assisted Developer Tooling) GliaCell TechnologiesPrincipal Software Engineer (AI - Assisted Developer Tooling)Laurel, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. The role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks.
Software Developer Space Ground System SolutionsSoftware DeveloperWelcome, MDFull timeSpace Ground Systems Solutions (SGSS), a wholly owned subsidiary under the Parsons Corporation, is passionate about making our nation the undisputed leader in Space because we understand that ensuring our security for future generations depends on it. Required Education: Bachelor of Science degree in Computer Science/Engineering or other relevant Engineering field from an accredited university or equivalent combination of formal education and experience.
CNO Software Developer REDLatticeCNO Software DeveloperMaryland, MDWith offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact. Our teams conduct cutting-edge vulnerability research, reverse engineering, exploit development, and cyber capability development to solve complex challenges across the evolving cyber landscape.
Senior CNO Software Developer REDLatticeSenior CNO Software DeveloperMaryland, MDIn lieu of a degree, 11+ years of directly related experience may be substituted• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical discipline. With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact.
Full Stack Software Engineer, Strategic Systems Johns Hopkins Applied Physics LaboratoryFull Stack Software Engineer, Strategic SystemsLaurel, MarylandFull timeThe Software Engineering and Data Transformation Group (KBE), within the Strategic Deterrence Mission Area of the Force Projection Sector, supports the data architecture, collection, processing, and distribution required to evaluate Strategic Weapon Systems. We are seeking a dynamic, technically curious, and results-oriented software engineer to develop and deploy high-quality, resilient, and scalable software solutions that meet and exceed end user needs.
System Software Engineer (Up to $30,000 sign on bonus available) GD Information TechnologySystem Software Engineer (Up to $30,000 sign on bonus available)Hanover, MarylandTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. Role requirements: Strong communication skills both verbal and written, manage sprints, coordinate sprint backlog, facilitate test environment, manage release candidates, EOTR, GDIT IS YOUR PLACE.
Software Developer CymertekSoftware DeveloperAnnapolis JunctionComputer Science, Software Engineering, Information Technology, Computer Engineering, Applied Mathematics, Data Science, Electrical Engineering, Systems Engineering, Information Systems, Game Development, ect. Software Engineer, Full Stack Developer, Backend Developer, Frontend Developer, Application Developer, Systems Developer, Mobile Developer, Web Developer, DevOps Engineer, Cloud Developer, ect.
Senior Software Engineer (AI-Assisted Developer Tooling) Staffed4USenior Software Engineer (AI-Assisted Developer Tooling)Laurel, MarylandThis role emphasizes AI-assisted capabilities, automation of software development workflows, and experimentation with agent-based systems to support engineering tasks. The candidate will contribute to building tools that improve code quality, streamline development processes, and enable more efficient delivery of software in a mission-focused environment.
AI Software Developer Leidos Holdings IncAI Software DeveloperGaithersburg, MD$69,550–$125,725 / yearAs a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
CNO Tool Developer Software Engineer-TS/SCI with Poly CACICNO Tool Developer Software Engineer-TS/SCI with PolyFort Meade, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
New1655 - Software Developer Sigma Defense1655 - Software DeveloperPatuxent River, MD$90,000–$120,000Install and configure applicable technologies; hardening applicable technologies in accordance with Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), Security Requirements Guides (SRGs), Risk Management Framework (RMF), Computer Task Orders (CTOs), and other best practices. Provide management support of enterprise Linux architectures and support building, configuring, and securing Linux, and CoreOS virtual machines, operating systems/applications, and integrating these into an enterprise architecture.
New1650 - Software Developer Sigma Defense1650 - Software DeveloperBelcamp, MD$83,300–$139,800NetMod sets forth the work efforts required to provide product technical support services for systems and equipment being produced, fielded, modified or supported by PdM Network Modernization (NetMod) and PdM Mission Network of the Project Manager (PM) Tactical Network (TN) of the Program Executive Office for Command Control and Communications-Tactical (PEO C3T). Sigma Defense is currently seeking a Software Developer to work in support of the Army for the Network Modernization & Mission Network Technical Service Support program (NetMod).
Software Developer Leidos Holdings IncSoftware DeveloperBethesda, MD$69,550–$125,725 / yearFor 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. You'll be at the cutting edge, working with state-of-the-art tech to shape naval training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer.
Software Developer V2X IncSoftware DeveloperColumbia, MDThis commitment, aligned with our core Vision and Values of Integrity, Respect, and Responsibility, allows us to leverage differences, encourage innovation, and expand our success in the global marketplace, ultimately enabling us to best serve our clients. Responsibilities: Leverage and develop automation, testing, and analysis tools that exercise the functional requirements of customer provided software in a broad range of tailored operating environments.
Sr. Software Developer Leidos Holdings IncSr. Software DeveloperGaithersburg, MD$87,100–$157,450 / yearFor 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. Optimizing the experience for the flying public, Air Traffic Control, and the airline industry by improving the collaboration and decision-making capabilities of flight controllers.
Principal Software Developer Leidos Holdings IncPrincipal Software DeveloperGaithersburg, MD$131,300–$237,350 / yearAAC is part of the FAA's broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments like Alaska. Leidos is seeking Principal Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC).
Lead Software Developer Leidos Holdings IncLead Software DeveloperGaithersburg, MD$87,100–$157,450 / yearAAC is part of the FAA's broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments like Alaska. Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC).