89 senior software systems engineer jobs found

ECS is seeking a Junior Software Engineer Intern to work in our Fairfax, VA office for the summer of 2026. This internship offers a unique opportunity to move beyond the classroom and gain firsthand experience with production-grade workflows and real-world datasets. You will work alongside senior engineers and scientists to move models from research to the tactical edge, ensuring from end to end, both our warfighters & decision makers are empowered with the latest technology solutions at their fingertips. Job Description: ECS is seeking a Junior Software Engineer to participate in a team of scientists and engineers, and to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions. The candidate works closely with the Project Manager and technical team to swiftly develop solutions in an agile environment and deploy capabilities to the operational end user. The candidate cultivates an environment...

Description Are you an Electrical Engineer looking to support an exciting Navy mission in our new state-of-the-art labs? Are you seeking long term career growth and a company that values work life balance? Job Summary : SAIC is seeking an organized and motivated Electrical Engineer who will effectively support a fast-paced work environment with the Naval Undersea Warfare Center (NUWC) Division in Middleton, RI. You will be part of a collaborative team of engineers and support technicians working to bring a variety of electrical designs from the early concept stage all the way through fabrication. The local Middletown office supports automated test equipment design, printed circuit board design (PCB), cable design, and acoustic system design. Support can vary from Research & Development to Production Support tailoring both skills and interests of the prospective employee to fill the role. Location : Work is performed on-site work at 28 Jacome Way, Middletown, RI,...

Description SAIC is seeking an experienced Senior Java Developer and AWS engineer to join our dynamic Agile teams delivering software solutions to the United States Patent and Trademark Office. In this role you will develop and maintain robust, scalable, and reliable Java applications within an automated DevSecOps AWS Environment. Responsibilities Design, develop, maintain, and deliver highly scalable and reliable software using Java web technologies. Demonstrate experience developing enterprise web-based applications. Develop and deploy Java applications on AWS using best practices and cloud-native services ⁠ Ensure compliance with AWS security and compliance standards (FedRAMP, HIPAA, etc.) Complete tasks to migrate large, complex Java applications from on-premises to AWS cloud ⁠ Optimize application performance, scalability, and cost efficiency on AWS Create Terraform scripts to automate various DevOps tasks Provide software development support to...

Description SAIC is searching for a motivated, career and customer-oriented Senior Database Engineer who performs high-level, day-to-day software testing solutions to join our team and begin an exciting and challenging career. This is a 100% Remote role. Responsibilities: Establishes database management systems, standards, requirements, guidelines and quality assurance for database deliverables, such as conceptual design and architecture, logical database, capacity planning, external data interface specification, data loading plan, data maintenance plan and security policy. Works with clients to translate business requirements into a logical model that will accurately support and represent the client s entity relationship and flow of data. Develops the appropriate database framework to convert the logical model into a physical model including the creation and maintenance of schemas containing windows, screens, tables and columns and reports that support the model; and...

Description SAIC is seeking a Senior RF Engineer to lead engineering efforts related to the design, manufacture and sustainment of US Navy Aircraft Equipment, related systems, and other military systems in support of its Indianapolis, IN facility. JOB DESCRIPTION : Tasking will include but will not be limited to leading teams in the design, development, modification, evaluation and test of a variety of electronic equipment and electrical systems. May work with radar and related RF systems, electronic warfare systems, communications equipment and systems, other receive and transmit equipment and systems, software defined radios, antennas, GPS and other guidance systems, circuitry components, analog and digital circuits and processors, control systems, acoustic systems, electro-optic systems, weapon system launch and control circuitry, and test equipment design and development. Candidate is expected to have mastery in the use and application of technical standards,...

Description SAIC is seeking an experienced Senior Systems Engineer with strong expertise in Microsoft technologies to support the Pension Benefit Guaranty Corporation (PBGC) in Washington, DC. As a senior member of the Enterprise Support Services (ESS) team, you will collaborate closely with peer engineering groups and partner organizations to design, scale, and implement enterprise-wide improvements. This includes supporting consolidation efforts, migrations, system enhancements, and break/fix operations across the environment. This role requires deep expertise in Windows Server architecture to ensure optimal performance, reliability, and stability for applications deployed across the server environment, as well as a strong focus on securing application servers from vulnerabilities and misconfigurations. The candidate will also support Desktop Engineering functions, including enterprise image creation and maintenance, endpoint management using tools such as BigFix and SCCM,...

Description SAIC is recruiting for a Scientific Systems Engineer for one of our programs supporting the FDA. This candidate will be required to provide general support for Windows and Mac OS workstations in the FDA laboratory and office environment. The ideal candidate shall have expertise in setup, configuration, administration of Windows and OS Scientific Workstations, and integrating them with Active Directory/etc. Independent, motivated individuals with good oral and written communication skills for documenting process and procedures, and briefing reports are desired. The candidate must be skilled in the setup, configuration and management of scientific workstations. Primary Duties and Responsibilities include, but not limited to: Perform software application maintenance on scientific workstations running a variety of operating systems including Mac OS, Windows, and some Linux. Perform routine and preventative maintenance such as general computer tasks, application...

Description SAIC is seeking a motivated and experienced Senior Mechanical Engineer to join our growing Unmanned Systems team. This is a highly multidisciplinary role that spans mechanical engineering, systems integration, software development, field operations, and customer support. This role will be ON-SITE in San Diego, CA. The ideal candidate brings hands-on experience with unmanned underwater vehicles, remotely operated vehicles, or unmanned aerial systems in both laboratory and operational field environments. You have a strong foundation in mechanical engineering, controls, and software development, and you are comfortable working across the full system lifecycle from design and prototyping through integration, testing, and fielded system support. You will support programs serving the U.S. Navy, contributing to the development, integration, testing, and deployment of unmanned systems. You will work alongside experienced engineers, technicians and government customers...

Description SAIC has an opening for an organized and motivated Senior Mechanical Engineer who is looking for an opportunity to grow with our company as we continue to expand our Naval Undersea Warfare Center at the Propulsion Test Facility to support the team in Newport, RI . The ideal candidate should have experience supporting various projects at all levels showcasing leadership qualities and attributes, as well as project management skills. The candidate should have the ability to discuss projects they have supported and/or led. Candidate should be able to self-manage/self-direct projects, and communicate regularly with customers, engineers, logisticians and technicians. Job Duties: Must be able to lead multiple high-profile projects which involves interfacing with the customer to define key test requirements, sourcing and interfacing with multiple suppliers / vendors, establishing all supporting project documentation including Analysis of alternatives, technical...

Description This position offers an exciting and challenging opportunity to support NASA's Artemis program. As the Extravehicular Activity and Human Surface Mobility (EHP) S&MA Integration/Ops engineer, you will provide technical integration for exploration EHP systems and operational support, ensuring safety requirements are consistently applied, verified, and maintained across HLS, MPH, LTV, Pressurized Rover, Orion, other lunar surface assets, and EHP Safety MER operations. You will be responsible for assuring the integrated mission design, hazards, proposed operations, and verifications comply with all applicable Safety and Mission Assurance (S&MA) requirements. These functions are performed in direct support of NASA JSC EHPOffice, the xEVAS vendor Project Team, and the applicable support disciplines of the Lunar program offices. EHP S&MA Integration/Ops engineers are expected to become familiar with the proposed requirements and operational scenarios associated...

Description SAIC is seeking a highly motivated Senior Systems Engineer - Project Officer to join the SPC7 Advanced Concepts Team at NSWC Crane, supporting the Navy Conventional Prompt Strike (CPS) Program. In this critical role, the selected candidate will help oversee Small Business Innovation Research (SBIR) projects, manage performer integration efforts, and advance technology maturation initiatives, ensuring alignment with both the overall CPS weapon system architecture and program goals. The ideal candidate will have a strong systems engineering background, exceptional communication skills, and a proactive approach to managing technology development and integration efforts. This role requires close collaboration with multiple stakeholders, including Program Office Leadership, warfare centers, national labs, universities, and design agents, to effectively develop and transition advanced technologies to the CPS weapon system. Key Responsibilities: Technology...

ECS is seeking a Systems Engineer Senior to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Supervise, coordinate and/or perform additions and changes to network hardware and operating systems, and attached devices, including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software. Provide direct support in the day-to-day operations on network hardware and operating systems including the evaluation of system utilization, monitoring response time and primary support for detection and correction of operational problems. Troubleshoot at the physical level of the network, working with network measurement hardware and software, as well as physical checking and testing of hardware devices at the logical level working with communication protocols. Participate in planning design, technical review and implementation for new network infrastructure hardware and...

Description SAIC is seeking a Systems Engineer for the Cloud team to support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6). The successful candidate initiates, supervises, and/or develops requirements from a project's inception to conclusion for complex to extremely complex programs; Provides strategic advice, technical guidance and expertise to program and project staff; Provides detailed analysis, evaluation and recommendations for improvements, optimization development, and/or maintenance efforts for client-specific or mission critical...

Description This is an opening for a Senior Network Engineer to support the Department of State's (DoS) Diplomatic Technology Operations Division. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying out U.S. foreign policy missions worldwide. The Operations Division provides enterprise operations and maintenance support worldwide. SAIC's program is named "Vanguard" and is an IT consolidation consisting of the Department's data center, cloud, domestic and foreign network switch, routers and WAN devices. Currently, the role is three days onsite and 2 days remote in Springfield, VA. Typically M-F 0830-1700. (Hour's dependent on mission priorities to include potential on-call). Description of Duties: Evaluates, designs, documents, implements, validation testing, and performs problem isolation and resolution, and performance monitoring, tunes, sets standards and maintains a range of network components and...

Description SAIC is looking for a Senior VMware Engineer. This position is in support of the Department of State (DOS) as a part of the Vanguard 2.2.1 contract. The Vanguard 2.2.1 program provides transparent, interconnected systems and security support for the Department of State (DOS) DT program. The DT program enables the Department of State to successfully carry out its foreign policy mission by providing enterprise architecture design, engineering, operations and maintenance support services for data center services, desktop computers, servers, networks, firewalls, voice and data communications and other unique enterprise applications. The candidate will be responsible for the development of Virtualization solutions utilizing VMWare and Storage technologies. The candidate will research, analyze, evaluate and integrate as necessary new and emerging technologies in order to find ways to deliver a superior IT environment to the bureaus in a cost effective and secure manner....

Description SMAEC III has a rewarding position supporting the NASA Safety and Mission Assurance Engineering Contract (SMAEC III) at the Johnson Space Center in Houston, TX helping to return humans to the Moon and on to Mars, safely. In this role, you will support the Human Landing System (HLS) Program as a Safety & Reliability Engineer (SRE) and Crew Survival Analyst. Come join our team and help us continue the mission of space exploration! Job Duties: Perform Cross-Program Integrated Hazard Analyses across a range of vehicle systems Perform Crew Survival Analysis based upon the HLS Provider's approach to designing and operating their lander vehicle Review and assess HLS Provider Hazard Analysis, Failure Modes and Effects Analysis, and Critical Items Lists for accuracy and completeness, including proposed controls, mitigations, and verifications Review and assess HLS Provider compliance with safety requirements, including requirement verification approaches...

Description Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities for the Defense Counterintelligence and Security Agency (DCSA). The Air Force, Space and Intelligence Business Group (AFSI) of SAIC is seeking a Senior Network Engineer to support a transformational infrastructure program for DCSA. SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000 facilities involved in classified work throughout the DoD and 31 Federal agencies. Specifically, on the DCSA One IT program, SAIC will provide an enterprise IT solution that delivers highly secured and adaptable IT infrastructure, provides customer...

Clearance Requirement: Ability to obtain and maintain a Secret Clearance Travel Requirements: None Location: Norfolk, VA SUMMARY: WR has an opportunity for a Software Engineer to support the GBS division by providing software development, computer systems, and lab support. This is an entry-level role working under the guidance of senior engineers, contributing to software development, testing, and system support activities. Position responsibilities will include, but are not limited to the following: Assist engineering staff with daily lab operations, test data collection, and general technical support tasks. Work under the direct technical supervision of senior personnel to complete assigned tasks. Support the analysis, definition, and documentation of requirements, including data flow, workflows, system interfaces, and outputs. Assist in developing plans, schedules, and tasking for software development activities. Participate in client...

QED Systems, LLC, is currently recruiting a Senior Human Systems Integration (HSI) Specialist to join our team at Aberdeen Proving Ground, MD to support our customer, Project Manager Intelligence Systems & Analytics – Army (PM IS&A) . Duties: Assist the government in acquiring new intelligence products by providing HSI input to technical requirements, user stories, and interoperability exchanges, writing test plans and test reports, and collecting test data needed to fully realize intelligence modernization. Perform front-end analysis and experimental work when developing/configuring a new system. Work with the engineering team to define the architecture, user workflow, information and interaction needs for new and current systems. Direct experience and oversight/management of HSI personnel for investigation of existing deployed systems for potential upgrades or more intensive HSI review. Investigate existing deployed systems for potential enhancements to...

Overview SCCI is seeking a Senior Software Engineer to join our team in support of a high-performing DoD acquisition program. The successful candidate will provide software engineering technical support, and mentor junior and mid-level software engineers. In this position your work will have a great impact on the program's overall mission in providing support to the Department of Defense. This position is available for immediate hire and is located in Dahlgren, VA . SCCI offers a comprehensive and competitive benefits package including Health, Dental, Vision, Life and Disability benefits, 401k with Company Match, time off consisting of 2 weeks of paid vacation, 48 hours of sick/personal leave, and 11 paid Holidays. Responsibilities: Provide Software Engineering technical support Provide mentorship for Junior - Mid level Software Engineers Support software engineering code-design reviews Perform requirements assessments and requirements...