Senior Software Engineer, Anduril Cyber Anduril Industries IncSenior Software Engineer, Anduril CyberWashington, DC$191,000–$253,000 / yearAs the software engineers closest to Anduril customers and end- users, Software Engineers solve technical challenges of operational scenarios while owning the end-to-end delivery of winning capabilities such as Counter Intrusion, Joint All Domain Command & Control, and Counter-Unmanned Aircraft Systems. Build and evolve software across device control, telemetry, storage, APIs, tasking workflows, and operator-facing integrations, with scope weighted toward either embedded-platform or mission/backend ownership based on candidate strengths.
Senior Software Engineer - CTJ - Poly MicrosoftSenior Software Engineer - CTJ - PolyReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
Full-Stack Software Engineer, Senior Technica CorporationFull-Stack Software Engineer, SeniorWashington, Washington, DC$131,000–$145,000 / yearFull timeFrom our locations across the DC Metro area, Hampton, Virginia, and Huntsville, Alabama, we provide technological subject matter expertise, program management and business process knowledge as a trusted advisor in support of our Department of Defense and other Federal Agency customers. Responsibilities: Technica Corporation is seeking a Senior Full Stack Software Engineer who will support the development of the FBI FDP system using a Postgres/Java/React technology stack.
Full Stack Software Engineer, Senior Technica CorpFull Stack Software Engineer, SeniorWashington, DC$131,000–$145,000 / yearFrom our locations across the DC Metro area, Hampton, Virginia, and Huntsville, Alabama, we provide technological subject matter expertise, program management and business process knowledge as a trusted advisor in support of our Department of Defense and other Federal Agency customers. Technica Corporation is seeking a Senior Full Stack Software Engineer who will support the development of the FBI FDP system using a Postgres/Java/React technology stack.
Senior Software Engineer Cohere Technology Group LLCSenior Software EngineerChantilly, VAThis is an opportunity to join a close-knit team of engineers who are passionate about learning from each other and developing next-generation capabilities supporting our stakeholders’ operations. Cohere was founded in 2015 by seasoned intelligence community engineers to unify and streamline both cyber and kinetic workflows for the Intelligence Community and the Department of Defense.
Sr. Software Engineer - Ad Tech & Distributed Systems - FreeWheel Comcast CorpSr. Software Engineer - Ad Tech & Distributed Systems - FreeWheelReston, VAThe Software Engineer will develop deep expertise in the business domain, system architecture, and application workflows to effectively troubleshoot issues, resolve complex break/fix scenarios, and proactively improve system reliability. The Sr Software Engineer - Ad Tech & Distributed Systems is responsible for the availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning for FreeWheel platforms, with a primary focus on the Streaming Hub application.
Senior Software Engineer — C# / WPF CaseGuardSenior Software Engineer — C# / WPFArlington, VAOur team is driven by a passion for great software design, creating great products, and creative processes; CaseGuard implements innovative ideas across multiple services and agencies. You'll own significant areas of a large WPF codebase that spans real-time video playback, AI-powered detection, and media processing pipelines — and help shape how the team builds software.
Lead Software Engineer, TS/SCI w/ Polygraph Mitre CorpLead Software Engineer, TS/SCI w/ PolygraphMcLean, VA$156,800–$196,000 / yearBasic Qualifications: Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years' experience or equivalent combination of related education and work experience. Experience developing web applications with different architectures including server-side rendering (SSR), single page applications (SPAs), and hybrid applications (interactive islands pattern).
System Development Engineer II, DBS Relational ADC Amazon Development Center U.S., Inc.System Development Engineer II, DBS Relational ADCArlington, VAThe Amazon Web Services team is innovating new ways of building massively scalable distributed systems and delivering the next generation of cloud computing with AWS offerings like RDS and Aurora . We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
Systems Development Engineer, ADC2S Amazon Development Center U.S., Inc.Systems Development Engineer, ADC2SHerndon, VAOn a “typical” day engineers might deep dive to root cause a customer issue, investigate why a metric is trending the wrong way, consult with the top engineers at Amazon, or discuss radical new approaches to automate operational issues. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
System Development Engineer II, Platform Engineering and Emerging Technologies Amazon Development Center U.S., Inc.System Development Engineer II, Platform Engineering and Emerging TechnologiesHerndon, VAWe pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. The position further requires that, after start, the selected candidate obtain and maintain an active TS/SCI security clearance with polygraph or commensurate clearance for each government agency for which they perform AWS work.
Windows Client Engineer, Region Services Corporate Infrastructure (RSCI) - VECTOR Team Amazon Development Center U.S., Inc.Windows Client Engineer, Region Services Corporate Infrastructure (RSCI) - VECTOR TeamHerndon, VARegion Services Corporate Infrastructure (RSCI) is looking for an experienced Windows Client Systems Engineer with a deep knowledge of Windows desktop services, including virtual desktops and infrastructure. A successful Windows Client Engineer will drive the design and implementation of new services, find ways to improve and automate our existing services, and provide escalation and mentoring for junior team members.
Roadway Engineer Whitman, Requardt & Associates, LLPRoadway EngineerFairfax, VA$90,000–$185,000 / yearFull timeThe specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience. The engineer will lead multidiscipline design teams in the delivery of major transportation improvement projects across Virginia.
Geotechnical Engineer - Mid-Level Whitman, Requardt & Associates, LLPGeotechnical Engineer - Mid-LevelFairfax, VA$140,000–$215,000 / yearFull timeThe specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience. Bachelor's degree specializing in Geotechnical Engineering, Master’s degree specializing preferred.
Water Tank Engineer Whitman, Requardt & Associates, LLPWater Tank EngineerFairfax, VA$90,000–$185,000 / yearFull timeThis role involves collaborating with multidisciplinary teams, delivering high-quality engineering solutions, and ensuring projects meet client expectations, budget, and schedule. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Senior Rail and Transit Engineer Whitman, Requardt & Associates, LLPSenior Rail and Transit EngineerFairfax, VA$160,000–$240,000 / yearFull timeThe candidate will be responsible for coordination and oversight of a wide variety of rail related design projects including, but not limited to MDOT Maryland Transit Administration, CSXT, WMATA, Amtrak, DRPT, and VPRA. Participates in Design/Build efforts including consulting with contractor/construction personnel concerning design constructability as related to field conditions, sequencing and scheduling of construction activities.
Transportation - Water Resources Engineer Whitman, Requardt & Associates, LLPTransportation - Water Resources EngineerFairfax, VA$90,000–$185,000 / yearFull timeExperience designing drainage, stormwater management systems/BMP’s, erosion and sediment pollution controls; and preparing contract documents preferred. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Transportation - Water Resources Engineer - Mid Level Whitman, Requardt & Associates, LLPTransportation - Water Resources Engineer - Mid LevelFairfax, VA$140,000–$215,000 / yearFull timeVarious Hydraulic Engineering Circulars (HEC’s) for scour, stream and bank stability, roadway stability and stream scour/stability countermeasure design including but not limited to HEC-18, HEC-20 and HEC-23. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Water/Wastewater Engineer - Entry Level Whitman, Requardt & Associates, LLPWater/Wastewater Engineer - Entry LevelFairfax, VA$72,000–$97,000 / yearFull timeA copy of current, or most recent, school transcript (If you are applying via a 3rd party site that does not allow attachments, please email transcript to careers@wrallp.com. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Director, Head of Software Engineering HITT ContractingDirector, Head of Software EngineeringFalls Church, VA$130,000–$210,000 / yearThe Head of Software Engineering is accountable for the structure and growth of the engineering organization, the delivery of applications and platforms that serve HITT’s project teams and jobsites nationwide, and the development of a new generation of AI-enabled engineering talent — hiring builders who already work this way and training HITT’s existing developers in new methods. This is a senior leadership role for an engineering executive with a builder’s mindset: someone who has seen firsthand how agentic, AI-enabled development is changing the way software gets made — and who knows how to turn that shift into a durable advantage for one of the nation’s largest general contractors.
Senior Systems Engineer LeidosSenior Systems EngineerBuckeystown, MD$131,300–$237,350As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, as well as working with the SE team in support of Model Based Systems Engineering (MBSE) and all associated documentation. As a senior member of the team, you bring deep expertise in Systems Engineering (SE) and will work closely with Systems Engineers, Software Engineers, Architects as well as Government counterparts on the following key tasks:
Data Storage Engineer LeidosData Storage EngineerPoolesville, 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. Extensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies.
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.
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.
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.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerWoodbridge, 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.
M365 Engineer LeidosM365 EngineerBethesda, MD$107,900–$195,050Engineer, administer, and provide lifecycle support for Microsoft 365 (government community cloud (GCC) services including but not limited to: Entra ID (Azure AD), Exchange Online, Intune, Teams, Power Platform, Purview. Leidos Dig Mod Health IT division is seeking a skilled and collaborative M365 Engineer to support the HHS enterprise by managing all aspects of Microsoft 365 Government Community Cloud (GCC) Software as a Service (SAAS) offering.
Lead Systems Integration Engineer LeidosLead Systems Integration EngineerClarksburg, 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.
Space System Software Engineer Booz Allen Hamilton Inc.Space System Software EngineerMclean, VA$86,800–$198,000 / yearOnsite: 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. Ability to effectively communicate, work independently and collaboratively on a cross-functional team, and demonstrate initiative to complete complex tasks to achieve program goals in a fast-paced environment.
Principal Geospatial Software Engineer (TS/SCI with Polygraph required) Red AlphaPrincipal Geospatial Software Engineer (TS/SCI with Polygraph required)Columbia, Maryland$190,000–$235,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. We are seeking a skilled and motivated Principal Geospatial Software Engineer to join our team in developing cutting-edge geospatial analysis, ETL (Extract, Transform, Load), and visualization microservices to support mission-focused systems.
Software Engineer II Full-Stack STraffic AmericaSoftware Engineer II Full-StackVienna, VirginiaFull timeThe Software Engineer II will be responsible for designing, developing, and maintaining scalable web applications using modern technologies including React, TypeScript, Spring Boot, and PostgreSQL . This role is ideal for a full-stack developer who enjoys working across both front-end and back-end technologies, has experience with modern cloud environments, and thrives in a collaborative Agile and DevOps culture.
Senior Full-Stack Software Engineer – Back-End Focused Stand TogetherSenior Full-Stack Software Engineer – Back-End FocusedArlington, VirginiaIn this role, you will combine hands-on development with architectural oversight across scalable, AWS-hosted applications, ensuring the reliability, performance, and long-term scalability of our digital ecosystem while mentoring engineers and partnering cross-functionally to deliver high-impact solutions. Stand Together is a philanthropic community that helps America’s boldest changemakers tackle the root causes of our country’s biggest problems, from education to the economy, broken communities, and toxic division, among dozens of other pressing issues .
NewSenior Golang Software Engineer I8IS INC.Senior Golang Software Engineerarlington, VARemoteWe are seeking a Senior Software Engineer with deep production experience in Go (Golang) to help design, build, and operate scalable backend systems in a fast-moving, early-stage startup environment. This role is ideal for an engineer who enjoys owning meaningful technical problems, working on distributed systems, and collaborating closely with a highly capable team.
Senior Java Software Engineer / Scrum Master LeidosSenior Java Software Engineer / Scrum MasterGaithersburg, MarylandThis work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. This is a hybrid technical role where approximately 50% of your time will be spent designing, developing, testing, and maintaining production software , while the remaining 50% will be dedicated to serving as Scrum Master for an Agile development team.
Java Software Engineer - Scrum Master LeidosJava Software Engineer - Scrum MasterGaithersburg, MarylandThis work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. This is a hybrid technical role where approximately 50% of your time will be spent designing, developing, testing, and maintaining production software , while the remaining 50% will be dedicated to serving as Scrum Master for an Agile development team.
Pega Software Engineer (Mid-Level - TS/SCI with Poly Required) Red AlphaPega Software Engineer (Mid-Level - TS/SCI with Poly Required)Columbia, Maryland$140,000–$200,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Provide specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
Senior Software Engineer - JobID-0018 Innovative Defense TechnologiesSenior Software Engineer - JobID-0018Arlington, Virginia$135,000–$273,000 / yearInnovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Senior Software Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location. What You Will Do: Support full development lifecycle including system design, implementation, integration, test, and deployment of complex systems supporting DoD and Navy operational.
Modernization Software Engineer Booz Allen Hamilton IncModernization Software EngineerManassas, VA$86,800–$198,000 / yearOnsite: 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Knowledge Graph Software Engineer - Clearance Required BTI360Knowledge Graph Software Engineer - Clearance RequiredHerndon, VA$125,900–$247,900 / yearIn this role, you'll work closely with our engineers and mission teams to tackle complex business problems using emerging AI technologies - specifically by extracting and linking critical entities to build and curate scalable graph databases and knowledge bases. What you will do in this role: As a Knowledge Graph Software Engineer at BTI360, you will: Lead end-to-end knowledge graph and knowledge base development efforts from problem definition to production, designing pipelines that extract, normalize, link, and organize information into scalable graph-based systems.
AWS Geospatial Software Engineer Booz Allen HamiltonAWS Geospatial Software EngineerSpringfield, Virginia3+ years of experience with AWS services and cloud-native architecture patterns, including ECS/EKS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM policies, security groups, and network security. 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.
Embedded Software Engineer Booz Allen Hamilton Inc.Embedded Software EngineerMclean, VA$52,900–$108,000 / yearOnsite: 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. Ability to effectively communicate, work independently and collaboratively on a cross-functional team, and demonstrate initiative to complete complex tasks to achieve program goals in a fast-paced environment.
Test Automation Software Engineer Booz Allen Hamilton Inc.Test Automation Software EngineerMclean, VA$69,400–$158,000 / yearOnsite: 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Frontend Software Engineer — Secure Mission Systems RacknerFrontend Software Engineer — Secure Mission SystemsLaurel, MDYou will contribute across application development, API integration, automated testing, secure software delivery, documentation, and technical reviews while working with experienced software, AI/ML, security, platform, and customer engineering teams. This role brings together hands-on software development, interactive data experiences, secure delivery, API integration, and close collaboration across frontend, backend, AI/ML, security, platform, and mission-focused teams.
Lead Software Engineer, Data & DevSecOps LeidosLead Software Engineer, Data & DevSecOpsArlington, VirginiaImplement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.
Senior Software Simulation Engineer Raydon CorpSenior Software Simulation EngineerChantilly, VAVeraxx has a high level of expertise in flight simulation hardware and software development, as well as computer architecture, tactical environments, interoperability (HLA/DIS), avionics systems, graphics and real-time embedded systems. Candidate will have the opportunity to work on a variety of flight simulators and develop/integrate software in areas such as avionics, tactical environments, interfaces to audio, visual, motion, and I/O systems, and Instructor Operator Stations (IOS).
Lead Software Engineer, Data & DevSecOps Tetrad Digital Integrity LLCLead Software Engineer, Data & DevSecOpsArlington, VA$130,000–$145,000 / yearImplement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.
AI Security Software Engineer Carnegie Mellon UniversityAI Security Software EngineerArlington, VAArtificial Intelligence Security Software Engineers at the SEI use software and machine learning engineering practices, data processing, and data analytics to help our researchers solve AI security challenges. BS in computer science, machine learning, cybersecurity, statistics, or related discipline with eight (8) years of experience; OR MS in the same fields with five (5) years of experience; OR PhD in the same fields with two (2) years of experience.
Software Engineer Booz Allen Hamilton IncSoftware EngineerChantilly, VA$86,800–$198,000 / yearOnsite: 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Front-end Software Engineer Booz Allen Hamilton IncFront-end Software EngineerAshburn, VA$86,800–$198,000 / yearOnsite: 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. This role focuses on creating responsive, accessible, and reliable front-end experiences that help users visualize complex data, interact with AI-powered features, and work with real-time insights.
Principal Software Engineer LeidosPrincipal Software EngineerBethesda, MarylandSupport the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.