1268 software systems engineer jobs found

Description SAIC is seeking a Software Systems Engineer to own full stack development and technical maturation of a government software prototype as it transitions from research/prototype status to a Program of Record (PoR) for our customer site in North Charleston, SC. Job Duties: Resilient System Design: Develop distributed systems for secure, reliable operation in degraded, bandwidth-limited, and autonomous environments. Full-Stack Development: Build and maintain backend services, frontend applications, and infrastructure, hardening prototypes to meet DoD security, scalability, and operational standards. Data Security & Compliance: Implement secure data pipelines and protocols, ensure RMF compliance, support ATO accreditation, and follow secure development practices like container hardening and CI/CD security. Networking & Integration: Design segmented networks, real-time communications, hardware integration, and modular deployments for...

Description SAIC is seeking a Software Systems Engineer to own full stack development and technical maturation of a government software prototype as it transitions from research/prototype status to a Program of Record (PoR) for our customer site in North Charleston, SC. Job Duties: Resilient System Design: Develop distributed systems for secure, reliable operation in degraded, bandwidth-limited, and autonomous environments. Full-Stack Development: Build and maintain backend services, frontend applications, and infrastructure, hardening prototypes to meet DoD security, scalability, and operational standards. Data Security & Compliance: Implement secure data pipelines and protocols, ensure RMF compliance, support ATO accreditation, and follow secure development practices like container hardening and CI/CD security. Networking & Integration: Design segmented networks, real-time communications, hardware integration, and modular deployments for...

Description SAIC is seeking a Software Systems Engineer Technical Advisor to fill a critical position on the MERIGOLD program in Chantilly, VA. MERIGOLD is a large SETA contract, supporting the NRO's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. All candidates must have an active TS/SCI clearance with Polygraph. This position will provide specialized engineering expertise supporting the acquisition of multi-intelligence (multi-INT) software services focused on collection orchestration. SAIC's client is tasked with leading the integration of mission focused tools to foster increased efficiency, automation and information sharing. The qualified candidate will assist and advise Government managers responsible for the complete end-to-end life cycle of the customer's Ground Enterprise. Job Responsibilities to include: Lead technical and programmatic interchanges; identify and resolve issues; and...

Description SAIC is seeking an Software Systems Engineer in Chantilly, VA to support SAIC's large SETA program, supporting the NRO's Ground Enterprise Directorate (GED), Advanced Ground Office. The selected candidate will assist with system design, development, integration, testing, deployment, and sustainment of software solutions that enable mission-critical space vehicle operations. This entry-level role provides the opportunity to grow technical depth while collaborating with experienced engineers, mission operators, cybersecurity specialists, and program leadership across the system lifecycle. The engineer will contribute to ensuring software capabilities meet mission needs, integrate effectively with flight and ground segments, and comply with established engineering, security, and quality standards. Key Responsibilities to include: Support analysis of stakeholder and system requirements to derive software and interface requirements. Assist in developing and...

Position: Software Systems Engineer Job Description: Role Summary We are looking for a Senior ServiceNow Developer with strong hands-on experience in building, customizing, and integrating solutions on the ServiceNow platform. The role requires deep technical expertise, end-to-end ownership of development, and the ability to work closely with architects and business stakeholders in an Agile environment. What you'll be doing: Design, develop, and enhance ServiceNow solutions across ITSM and other modules (SPM, ITOM, custom apps). Build custom functionality using Business Rules, Script Includes, Client Scripts, UI Policies, Flow Designer, Workflows . Exposure to ServiceNow AI features (Virtual Agent, Predictive Intelligence, Now Assist) Develop and maintain integrations using REST/SOAP APIs, IntegrationHub, MID Server . Ensure high-quality, scalable, secure, and performant implementations. Conduct code reviews, reduce technical debt, and...

Description SAIC is seeking GEOINT Software Systems Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. As the GEOINT Software Systems Engineer, you will guide the development, integration, and delivery of modern GEOINT mission capabilities. You will partner closely with development contractors, mission partners, and senior Government stakeholders to shape architectural direction, ensure engineering rigor, and drive the evolution of scalable, resilient ground-system software. This position supports a broad portfolio of high-visibility initiatives, including evaluation of emerging technologies, definition and baselining of new GEOINT capabilities, transition planning from legacy systems to cloud-native implementations, and full-spectrum systems engineering (architecture,...

Description SAIC is seeking a Software Systems Engineer to support the Expeditionary Electronic Warfare Division at NSWC Crane. This position supports software development, design, and integration activities for Electronic Warfare (EW) systems, tactical information systems, and training environments under the JCREW program. The selected candidate will design, develop, modify, and maintain software and firmware throughout the system lifecycle. Additionally, this role involves testing software, performing requirements traceability, managing code repositories using git, and troubleshooting integrated systems in both lab and field environments. Job Responsibilities: Design, develop, modify, integrate, test, and maintain computer software and firmware supporting Electronic Warfare systems, tactical information systems, test facilities, and training environments. Support software efforts across the lifecycle, including initial system design, new development, upgrades to fielded...

Description: Who We Are At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Regional team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. protecting both the United States and its allies. This large, fast paced team, is composed of many small agile teams working together dynamic environment with a common mission to develop and deploy leading-edge missile defense technologies. The Work The C2BMC-Regional Application Agile Release Train is seeking a Software Systems...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re re-imagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The Software Systems Engineer will use Model-Based Systems Engineering (MBSE)...

Description SAIC is looking for a Software Systems Engineer with Space Domain Operations experience in Chantilly, VA to support a very dynamic and innovative space program office in Chantilly, VA. The Software Systems Engineer supports the design, development, integration, test, deployment, and sustainment of software systems for advanced space vehicle programs. This position serves as a key technical contributor across the system lifecycle, ensuring software solutions meet mission requirements, interface seamlessly with flight and ground systems, and comply with programmatic, security, safety, and quality standards. The Software Systems Engineer collaborates with software developers, systems engineers, mission operations personnel, cybersecurity specialists, and program leadership to deliver reliable, mission-critical capabilities that support spacecraft operations and mission success. Key Responsibilities • Analyze stakeholder, mission, and system requirements and translate...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re re-imagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. This role bridges the gap between high-level system requirements and detailed...

Basic Qualifications Education Requirements: Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience.   Clearance Requirements: Department of Defense Secret security clearance is required at time of hire.  Top Secret preferred.  Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES:   Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important. The challenges we...

Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience.   CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES:   Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important. The challenges we face are...

Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API development, and cloud native systems on AWS. This is a hands-on engineering role with direct impact on how VA healthcare data flows through our platform.This is a 100% Remote role. Job Description: Design, build, and maintain C#/.NET/AWS backend services handling high-volume healthcare EDI transactions (837, 835, etc.) Parse, validate, and transform X12 EDI documents Debug complex transaction-level issues across payers, clearinghouses, and trading partners Write, optimize, and troubleshoot SQL stored procedures including performance tuning, query analysis, and complex data transformations Work with XML object store data: query, parse, and manipulate structured XML within MSSQL Write clean, testable, well-documented code and participate actively in code review Contribute to shared...

Description SAIC is seeking a highly experienced and motivated Senior Software Engineer to contribute to the integration of AI capabilities into expeditionary systems, including sensor kits, UxS, C2, and TAK. The successful candidate will play a key role in enhancing the capabilities of expeditionary systems through innovative and cutting-edge technologies. Daily tasks can vary from hands on keyboard to technical discussions, including but not limited to, maintaining real-time Zenoh data mesh in Rust, creating frontend React applications in JavaScript, working with AI engineers to integrate machine learning models, converting data between standard tactical message formats, or providing subject matter expertise in discussions with senior management. Locations willing to consider future candidate: This roles is 100% ON-SITE, must be nearby one of the following locations but if San Diego, CA is not your primary location you will be required to travel to San Diego, CA for at...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.      At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.     Join us in shaping a new era in space and find a career that's built for you.     Space Protection Programs (SPP) is seeking a Software Systems Test...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.      At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.     Join us in shaping a new era in space and find a career that's built for you.     Space Protection Programs (SPP) is seeking a Software Systems Test...

Description: "We are looking for a self‑starting engineer who identifies problems before they become blockers, proposes practical solutions, and moves quickly to implementation but who also knows the value of early feedback and clear communication. The ideal candidate learns new tools, languages, or domain knowledge on the fly, thrives in a fast‑paced, cross‑functional environment, and has hands‑on experience with drones, robotics, or other embedded systems. The engineer will be a member of a team engaged in the design of tactical sUAS and related accessories, working closely with a cross functional engineering team. They will specifically be responsible for developing, integrating, and deploying software and firmware to run on sUAS, accessories, and control devices. They will contribute to quality and reliability by participating in peer reviews, creating documentation, anticipating and addressing potential issues, and supporting a production team. The candidate should have...

Description: You will be the Software Engineer Staff responsible for developing advanced integrated mission system simulation solutions that enables warfighters to shape requirements and operational implementation scenarios. What You Will Be Doing As the Software Engineer - Simulation & Integration you will be responsible for integrating, testing, and enhancing simulation software to support the development of airborne mission systems. Your responsibilities will include: • Develop and maintain real-time distributed simulation software for aircraft and support systems. • Integrate and troubleshoot software in hardware in the loop and man in the loop labs. • Lead a cross functional and cross-business area team to support software development and integration efforts. • Execute verification and validation activities to ensure software performance meets program requirements. • Provide technical guidance for future lab improvements and Digital Transformation initiatives. What’s...

Description SAIC is seeking a Ground Systems Software Integration Engineer with experience as a systems engineer and technical advisor (SETA). If you have a strong background managing acceptance testing and integration efforts of consolidated software and specialized hardware for diverse locations this is the job for you! This position requires an active TS/SCI security clearance with Counterintelligence (CI) Polygraph and is in El Segundo, CA. In this role you will support a government program office in charge of ground element command and control (C2) activities for a major program acquisition within a space system program office. The ground segment consists of ground command and control (C2) software, customized hardware, Automated Data Processing Equipment (ADPE) and network integration. In this role you will provide System Engineering, Integration, and Test (SEIT) subject matter expertise to ensure the software development program executes on schedule and within cost....