CNO Software Engineer Level 1 AdapticCNO Software Engineer Level 1Annapolis Junction, MDSupporting the DoD and Intelligence Community, you'll work alongside Red, Blue, and Hunt teams to develop, enhance, and sustain tools used to detect, analyze, and defend against evolving threats. You'll contribute to the development and evolution of cybersecurity tools and mission systems—playing a key role in both operational support and long-term capability development.
Principal Software Engineer Leidos Holdings Inc.Principal Software EngineerBethesda, MD$131,300–$237,350 / yearSupport 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.
Senior Software Engineer Chenega CorporationSenior Software EngineerArlington, VAWe are seeking a highly skilled and experienced Senior Software Engineer to contribute to the design and development of scalable classified/unclassified systems and deliver high-quality software products. In-depth understanding of networking requirements, network hardening, and networking systems such as routers, switches, and network taps.
Principal Python Software Engineer GliaCell TechnologiesPrincipal Python Software EngineerLaurel, 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. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
AI/ML Software Engineer Compu-Vision Consulting Inc.AI/ML Software EngineerAnnapolis, MDRemoteThis includes, but is not limited to, RPA work, building or refining chatbots, incorporating AI/ML into reporting tools, building llm agents for knowledge retrieval, deep research, translation, transcription, redaction, document analysis, document generation, agentic coding, and data processing. The AI/ML Software Engineer will build software tools that incorporate AI/ML techniques to automate narrowly defined tasks with high accuracy, assist internal users with their job functions, and improve the experience external users have when interacting with the Maryland Judiciary.
Software Engineer II - CTJ - Poly MicrosoftSoftware Engineer II - CTJ - PolyAnnapolis Junction, MD$102,100–$202,200 / yearMasters Degree in Computer Science or related technical field AND 3+ 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 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. 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 $133,800 - $219,200 per year.
Software Engineer Level 1 - 3 TS/SCI/FS Poly ONLY Altamira TechnologiesSoftware Engineer Level 1 - 3 TS/SCI/FS Poly ONLYAnnapolis Junction, MarylandRequires a bachelor’s degree in a relevant discipline (e.g., computer science, information systems, and network engineering) from an accredited college or university and eight (8) years of relevant programming experience in the field (e.g., computer science, information systems and network engineering). Provides specific input to the software components of system design to include hardware/software tradeoffs, 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.
Software Engineer - AI Enablement & Enterprise Systems ConsultNetSoftware Engineer - AI Enablement & Enterprise SystemsRockville, MDThis role will partner with business stakeholders, architects, and engineering teams to evaluate, prototype, and implement AI-enabled solutions that improve operational efficiency, analytics, and decision-making across enterprise platforms. For 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.
Multidisciplinary Software Engineer SURVICE Engineering CompanyMultidisciplinary Software EngineerChurchville, MD$90,000–$110,000 / yearThey have also contributed their expertise to other vital national defense programs and technologies that involve survivability, cybersecurity, information technology/management, software engineering, unmanned aerial systems (UASs), and metrology/reverse engineering. SURVICE Engineering is currently seeking Multidisciplinary Software Engineersto support our Chesapeake Research Operation focusing on research & development (R&D) and building custom software applications.
Mid-Level Software Engineer Java/Python, AWS & Agentic AI ConsultNetMid-Level Software Engineer Java/Python, AWS & Agentic AIRockville, MDThe ideal candidate has 5 years of professional software development experience, strong Java and Python skills, hands-on AWS experience, and familiarity with modern AI concepts such as Model Context Protocol (MCP), AI agents, tool use, and LLM orchestration. They should be comfortable building production-quality cloud applications while exploring practical ways to incorporate LLMs, intelligent document processing, MCP, and agentic AI into scalable enterprise solutions.
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.
Software Engineer, II ParsonsSoftware Engineer, IIMarylandOur intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace.
Software Engineer, Senior ParsonsSoftware Engineer, SeniorMarylandWe promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental.
Sr Software Engineer - 90404987 (Washington, DC, US, 20001) AmtrakSr Software Engineer - 90404987 (Washington, DC, US, 20001)Washington, DC$86,500–$111,996 / hourOur values of ‘Do the Right Thing, Excel Together and Put Customers First’ are at the heart of what matters most to us, and our Core Capabilities, ‘Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security’ are what every employee needs to know and do to be most impactful at Amtrak. Amtrak may offer additional incentive and pay programs to recognize and reward our employees, including a short-term incentive bonus based upon factors such as individual and company performance that is commensurate with the level of the position and/or long-term incentive plan compensation.
Software Engineer, Edge AI Valinor EnterprisesSoftware Engineer, Edge AIDistrict of ColumbiaOur unique model of centralized go-to-market and decentralized engineering allows us to move with unparalleled efficiency to identify unmet needs, build right-sized solutions, and get products where they matter most - in the hands of users. Unlike others in the space, who focus on the flashy problems, Valinor exists to solve the quiet, unaddressed problems-the small but significant ones that lead to cracks in the country's strength, stability, and security.
Robotic Software Engineer (Drone Stack) Applied Intuition IncRobotic Software Engineer (Drone Stack)Washington D.C., DC$125,000–$175,000 / yearCollaborate with autonomy engineers to implement service-oriented-architecture software and inter-process messaging systems for autonomous UASsCollaborate with DoD warfighter domain experts and 3rd party UAS vehicle vendors to develop and integrate autonomy software onto OEM hardware. You will collaborate closely with cross-functional teams to deliver robust, scalable solutions for defense and commercial customers, providing seamless hardware-software integration, troubleshooting, and customer-facing demonstrations.
NewSoftware Engineer (Drone Stack) Applied Intuition IncSoftware Engineer (Drone Stack)Washington, DCWork alongside autonomy engineers to marry autonomy software with vehicle hardware - achieving full integration with aircraft autopilots, datalinks, sensor payloads, PNT/GPS/INS, and ground control stations - and to build service-oriented-architecture software and inter-process messaging frameworks for autonomous UAS. Hands-on integration of robotics or autonomy products with Pixhawk-family autopilots (ArduPilot and/or PX4), plus working knowledge of common communication buses and protocols: UART/RS232/RS422/RS485, SPI/QSPI, I2C, and Ethernet.
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.
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.
Software Engineer in Deployment - JobID-0241 Innovative Defense TechnologiesSoftware Engineer in Deployment - JobID-0241Arlington, Virginia$135,000–$273,000 / yearWho You Are (Required): Bachelor’s Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Physics, or Math, or equivalent full-time professional experience; Master’s Degree in Engineering or other technical field highly desired. Manage, mentor, and lead a small team of engineers working operational and development tasks while championing the use of AI to streamline the team’s workflow, incorporating AI-driven approaches to optimize automation and reduce the complexity of installations.