Reentry Systems Software Engineer Johns Hopkins University Applied Physics Laboratory LLCReentry Systems Software EngineerLaurel, MDThe Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. 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.
Mid-Level Software Engineer Maxar Technologies Inc (Inactive)Mid-Level Software EngineerHerndon, VA$105,000–$140,000 / yearYou will support data scientists and mission partners by creating and/or refining software applications, maintaining and enhancing existing custom applications, troubleshooting defects, improving performance, contributing to code reviews and technical documentation, and helping deliver reliable capabilities in an agile, remote-first environment. In this role, you will work closely with software engineers, data scientists, analysts, and customer stakeholders to build, enhance, and sustain applications and data pipelines that help transform complex data into actionable insight.
DevOps Software Engineer - TS/SCI Cleared Leidos Holdings IncDevOps Software Engineer - TS/SCI ClearedBethesda, MD$107,900–$195,050 / yearLeidos is looking for our next TS/SCI‑cleared DevOps Software Engineer to join a high‑energy team building and deploying a cutting‑edge technology stack in support of the DIA‑NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). You also meet the following qualifications: Bachelor's degree in Engineering, Computer Science, Systems Engineering, or related field (or equivalent experience) with 8+ years of relevant experience; 6+ years with a Master's.
Software Engineer Leidos Holdings IncSoftware EngineerBethesda, MD$87,100–$157,450 / yearYou will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks. Specifically, we are looking for a skilled Python developer to join our team to build and maintain scalable microservices that interface with Kafka for real-time messaging and Elasticsearch for data indexing and search.
Full Stack .NET Developer Revolutional, LLCFull Stack .NET DeveloperSilver Spring, MD$150,000–$180,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily.
DevOps Developer Pyramid, IncDevOps DeveloperAshburn, VAFull timeEnhances organization reputation by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments. - Strong experience using deployment and continuous integration tools such as Jenkins, Stash, Jira, Ant, Maven, etc.
Senior Software Engineer Maxar Technologies Inc (Inactive)Senior Software EngineerHerndon, VA$128,000–$170,000 / yearYou will support data scientists and mission partners by creating and/or refining software applications, maintaining and enhancing existing custom applications, troubleshooting defects, improving performance, contributing to code reviews and technical documentation, and helping deliver reliable capabilities in an agile, remote-first environment. In this role, you will work closely with software engineers, data scientists, analysts, and customer stakeholders to build, enhance, and sustain applications and data pipelines that help transform complex data into actionable insight.
Network Software Engineer Johns Hopkins University Applied Physics Laboratory LLCNetwork Software EngineerLaurel, MDAs a member of our team, you will be responsible for the design, development, integration, and test of communications and network software, including protocol implementation, network services, and distributed systems for the Government across numerous departments and agencies. Architect, develop, integrate, and test software-based command and control, secure communication, and networking systems in operationally-realistic environments, working closely with sponsors to ensure mission success.
Real-time Tactical Software Engineer Johns Hopkins University Applied Physics Laboratory LLCReal-time Tactical Software EngineerLaurel, MDIn the Distributed Tactical Awareness and Decision-Making Group, we design, prototype, and test software systems to solve command and control challenges related to sensor integration, information fusion, and distributed kill chains for missile defense. 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.
Software Engineer Herrick Technology Laboratories Inc.Software EngineerGermantown, MD$75,000–$200,000 / yearResponsibilities span the entire product lifecycle from software concept to customer delivery and maintenance; opportunities for development span from kernel-level embedded to full-stack web development and UI using a variety of languages and tools. Description: As a Software Engineer at HTL you will design, prototype, debug, introduce new products, develop test plans, and optimize software and the associated release cycle.
NewSenior Cybersecurity AI Developer Leidos Holdings IncSenior Cybersecurity AI DeveloperLaurel, MD$107,900–$195,050 / yearOur 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. By leveraging cutting-edge corporate AI resources, you will accelerate code development and deliver sophisticated analytical tools for systems vulnerability analysis, incident response, adversary emulation, and COMSEC monitoring.
NewFull Stack Developer with Python Sentrillion CorporationFull Stack Developer with PythonAshburn, VAResponsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes. Experience developing and maintaining Python applications, APIs, automation scripts, or backend services in an enterprise environment, including familiarity with common Python frameworks and libraries.
NewCybersecurity AI Developer Leidos Holdings IncCybersecurity AI DeveloperLaurel, MD$87,100–$157,450 / yearOur 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. By leveraging cutting-edge corporate AI resources, you will accelerate code development and deliver sophisticated analytical tools for systems vulnerability analysis, incident response, adversary emulation, and COMSEC monitoring.
Full Stack Java Developer CACIFull Stack Java DeveloperAshburn, VirginiaCACI is currently looking for a Full Stack Developer with agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting Customs and Border Protection (CBP) client located in Northern Virginia! Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes.
SME Full Stack Developer - Java/Python , Clearance Required SourceFlySME Full Stack Developer - Java/Python , Clearance RequiredAshburn, VirginiaTechnical knowledge is insufficient to establish credibility in this operating environment; expertise must be enhanced with rapid acquisition of mission knowledge and demonstrated commitment positive mission outcomes; therefore, we seek self-starters who are capable of independent exploration and knowledge acquisition, willing to develop informal support networks, and with an appreciation for the immense challenge of safeguarding the Nation’s borders. As an SME member, you will also play a key role in architectural decisions, mentoring junior developers, and driving best practices within the team Applicants should note that while some formal training exists to support building knowledge of missions and the implementation of data-driven solutions, much of the knowledge must be gained through on-the-job training and individual initiative.
DevOps Engineer (TS/SCI CI Clearance Required) North Point TechnologyDevOps Engineer (TS/SCI CI Clearance Required)Gaithersburg, MDThe selected engineer will play a central role in deploying microservices through a DevSecOps pipeline within a Linux-based multi-tenant environment, leveraging AWS cloud services, GitLab CI/CD, and containerized workloads to deliver secure, scalable, and resilient capabilities to the customer. North Point Technology is seeking an experienced TS/SCI Cleared Senior DevOps Engineer with strong Continuous Integration / Continuous Delivery (CI/CD) expertise to support the development, integration, deployment, and sustainment of mission-critical systems.
ETL Java Developer (SME) Leidos Holdings IncETL Java Developer (SME)Bethesda, MD$154,050–$278,475 / yearDemonstrated experience performing ETL activities including, but not limited to, parser development and deployment; data flow management; implementing data lifecycle policies; troubleshooting data access issues; and developing data models. The candidate will provide technical expertise and support in the design, development, implementation and testing of customer tools and applications in support of Extracting, Transforming and Loading of data into an enterprise Data Lake.
Senior Platform Engineer Synergy ECPSenior Platform EngineerColumbia, MarylandGreat Corporate Facilities : Come by our corporate office and enjoy a weekly happy hour, take a drive to nearby restaurants, grab a snack or coffee in our café, or utilize our collaborative office space and conference rooms. The company leverages its expertise in data transport solutions, software and systems engineering, and other solutions to deliver critical and innovative capabilities to high-level decision makers that enhance our nation’s security.
Java Developer (SME) Leidos Holdings IncJava Developer (SME)Bethesda, MD$154,050–$278,475 / yearDocument and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash). Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
Deep Learning Expert/Developer (On-site) Ripple EffectDeep Learning Expert/Developer (On-site)Bethesda, MD$90,267–$103,808Established in 2003, and named as one of the “Best and Brightest Companies to Work For” in 2024 and 2025 by the NABR, Ripple Effect has earned acclaim for delivering unparalleled consulting services and top-tier talent across federal, private, and non-profit sectors. Strong understanding of machine learning techniques, including Support Vector Machines (SVM), Multilayer Perceptron (MLP), and Convolutional Neural Networks (CNNs).