251 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...

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 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 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 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....

Description Join a winning team!! SAIC's Space and Intelligence Business Group is currently hiring to advance space capabilities supporting our Department of Defense (DOD) and Intelligence Community customers. Ten miles from the SAIC headquarters, our Chantilly, VA team supports systems development, targeting & intelligence analysis, systems engineering & integration and more. This position is for a Satellite Systems Software Engineer for a large, multi-year contract supporting a cutting-edge and innovative space program. The Satellite Systems Software Engineer must possess and have successfully demonstrated satellite engineering experience. Requires excellent problem-solving, interpersonal, and oral and written communication skills. The Satellite Systems Software Engineer will partner with multi-Agency and multi-Contractor team of system engineers and subject matter experts to effectively plan, organize, and execute all activities across the system life cycle. This...

Description Join the Data Feed Integration (DFI) team on the Advanced Battle Management System (ABMS) Cloud-Based Command and Control (CBC2) Program. In this role, you will support SAIC's efforts as the Lead Systems Integrator (LSI) by driving critical data feed integration initiatives. The DFI team plays a pivotal role in ensuring the seamless integration of external data feeds, API-based systems, and internal architectures, enabling mission success. This position is central to modernizing advanced Command and Control (C2) capabilities for DoW systems and advancing operational readiness. This position operates in a hybrid work environment with responsibilities divided between 25% travel (including installations and integration events in secure spaces), 25% in-office presence for team collaboration and operational needs, and 50% remote work for independent and team-oriented tasks. This is a unique position that blends technical, strategic, and collaborative responsibilities. You...

Description SAIC's Horizon program is seeking you, our latest Modeling and Simulation Software Engineer , to support the U.S. Space Force's mission of delivering warfighter capability via the Space Systems Command's Program Executive Office for Space Combat Power. This position is located in El Segundo, California . As our established modeling and simulation developer, you will contribute expertise in simulation as a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team. Your knowledge and talent will guide the team in assembling and releasing an ever-growing portfolio of space mission operations analysis simulations and trade studies. Fun stuff on the job you will do: Be a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team informing the United States Space Force acquisition decision process. Your background and interest in simulation development will be highly valued...

Description SAIC's Horizon program is seeking you, our latest Modeling and Simulation Software Engineer , to support the U.S. Space Force's mission of delivering warfighter capability via the Space Systems Command's Program Executive Office for Space Combat Power. This position is located in El Segundo, California . As our established modeling and simulation developer, you will contribute expertise in simulation as a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team. Your knowledge and talent will guide the team in assembling and releasing an ever-growing portfolio of space mission operations analysis simulations and trade studies. Fun stuff on the job you will do: Be a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team informing the United States Space Force acquisition decision process. Your background and interest in simulation development will be highly valued...

Description This is a Network Specialist position assigned to the REACH Program - the U.S. Department of State's (DoS) crisis response communications office. This role can require up to 50% travel depending on world events. Description of Duties: Network Design and Implementation: Designs, builds, and implements network systems Performs design implementation, testing, and problem isolation/resolution for multiple networking systems in accordance with Department of State standards Manages the testing, installation, and support of network communications, including LAN/WAN systems Plans large-scale systems projects through vendor comparison and cost studies Technical Guidance and Support: Provides technical guidance for directing and monitoring information systems operations Provides internal consulting, technical guidance, information, and support to various department groups Provides assistance and oversight for all information systems operations activities,...

Description SAIC is seeking a Chief Systems Engineer to support the Naval Information Warfare Center, Pacific (NIWC PAC) Naval Messaging CB ISEA. The SAIC Team provides a full range of engineering, technical support, management, training, and logistics services in support of the Messaging programs. Support of these systems includes technical support for installations, providing systems and software engineering, cyber security, software development and infrastructure as code, training development and delivery, integration and testing of hardware and software functions, and testing of new baselines and/or new capability of messaging systems. JOB DUTIES: Provide leadership and direction for the sustainment systems engineering for the Naval Messaging ISEA. Evaluate systems engineering tools, design custom workflows for Naval Messaging and work with team members to integrate the tools into daily procedures. Develop systems engineering strategy and documentation to...

Description SAIC seeks a highly experienced and energetic Configuration Analyst Manager to directly support the modernization of the space launch ranges, meeting mission requirements, providing range capabilities, and supporting the Assured Access to Space (AATS) mission. The overarching purpose of this program is to perform system modernization and digital transformation projects that will enable the acceleration of the space launch cadence to enable the Spaceport of the future. In support of the government customer, the SAIC Program Manager, and the Chief Engineer; the Configuration Analyst is responsible for product design changes and the effects of the overall system. Assist in documenting and tracking all aspects of system development and modifications. Ensures configuration identification by reviewing design release documents for completeness and proper authorizations. This position is located in Cape Canaveral, FL. Job Responsibilities: Reviews of all issued...

Description SAIC is seeking a Systems Architect who will lead various efforts and initiatives involving our tactical networks. Person will design, develop, and sustain DOD system networks. Person will work closely with development and sustainment engineering team to purpose and engineer solutions to improve, modernize, and sustain afloat networks using an agile methodology in a DevOps environment. Must be willing and interested in learning new toolsets, templates and workflows as business needs evolve. This role supports the TACNET Sustainment Team; TACNET CB-ISEA supports the sustainment and modernization of tactical networks to include Automated Digital Network System (ADNS), Consolidated Afloat Network and Enterprise Services (CANES), Combined Enterprise Regional Information Exchange System (CENTRIXS), Integration Shipboard Networking System (ISNS), Sensitive Compartmented Information (SCI) Networks, Flank speed Wireless. Support will encompass a range of...

Description SAIC is seeking a Systems Architect who will lead various efforts and initiatives involving our tactical networks. Person will design, develop, and sustain DOD system networks. Person will work closely with development and sustainment engineering team to purpose and engineer solutions to improve, modernize, and sustain afloat networks using an agile methodology in a DevOps environment. Must be willing and interested in learning new toolsets, templates and workflows as business needs evolve. This role supports the TACNET Sustainment Team; TACNET CB-ISEA supports the sustainment and modernization of tactical networks to include Automated Digital Network System (ADNS), Consolidated Afloat Network and Enterprise Services (CANES), Combined Enterprise Regional Information Exchange System (CENTRIXS), Integration Shipboard Networking System (ISNS), Sensitive Compartmented Information (SCI) Networks, Flank speed Wireless. Support will encompass a range of...

Description We are seeking a highly skilled Senior Principal Systems Engineer to support the HOPE 2.0 initiative in Colorado Springs, CO. In this role, you will be instrumental in developing system architectures, creating use cases, managing and analyzing requirements, and supporting multiple fast-paced projects across the Space, Intelligence, and Cyber mission areas. You will work onsite with diverse, cross-functional teams in a collaborative Agile environment, focusing on rapid development cycles and streamlined design reviews, ensuring the swift delivery of mission-critical solutions to operational environments. The candidate must also excel at communicating complex technical concepts to non-technical stakeholders and creating high-quality artifacts to effectively convey technical and programmatic objectives. Responsibilities: Working with the HOPE 2.0 Solution Architect, support the development of system architectures, performing trade studies and decisions that...