40 senior software engineer jobs found

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...

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 SAIC is seeking a Senior Firewall Engineer to support DCSA for an ONSITE position out of Quantico, VA. (All qualified candidates must possess a TS/SCI and a Sec+) 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 of the Defense Counterintelligence and Security Agency (DCSA). The Air Force and Combatant Commands Business Group of SAIC is seeking a Senior Firewall 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....

Description We are seeking a Test Systems Engineer to develop and lead a test campaign for system level testing to validate mission readiness and performance. This position will also serve as the lead system integrator's senior system engineer and support system engineering efforts outside of test responsibilities. The position requires a diverse background in network engineering, software systems engineering and system level test management to support the United States Air Force in its goal of developing an interoperable system of systems to execute long range kill chains. The Department of the Air Force Integrated Fires Command and Control (DIFC2) program goals include improved information sharing, layered security, common data and architecture standards, system resiliency, faster implementation, and more effective cross-domain capabilities. The position requires an individual with strong technical project management skills and experience in developing and implementing test...

Description 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 ServiceNow Software Developer Senior 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 support, and...

QED Systems, LLC, is currently recruiting a Senior Systems Engineer, to join our team in Fort Belvoir, VA to support our customer, Project Manager Expeditionary Energy & Sustainment Systems (PM E2S2) . Duties: Interact with system users to translate their requirements into systems, hardware, and software requirements and design. Participate in the development of test strategies. Solve engineering problems (or managing the solution of engineering problems) in the functional area to which assigned. Provide engineering support to PM E2S2 divisions and Product Management Offices across the product lifecycle applying principles, processes, and doctrine of DoD acquisition. Required Skills & Experience: Detail-oriented with excellent technical, verbal, and written communication skills. Required Clearance: ACTIVE CLEARANCE LEVEL REQUIRED: Secret Qualifications: Bachelor’s degree required. Degree in Computer Science, Information Systems,...

ECS is seeking a Senior Network Engineer to work remot ely. ECS is seeking a highly skilled Network Engineer to support and maintain enterprise network infrastructure across corporate office environments and three geographically distributed data centers. This role is responsible for designing, implementing, securing, and optimizing network systems that support mission-critical operations. The ideal candidate brings strong experience in multi-site networking, data center architecture, and enterprise-grade routing/switching, along with a proactive approach to reliability, security, and performance. Key Responsibilities Design, implement, and maintain network infrastructure across ECS corporate offices and data centers Manage core networking components, including routers, switches, firewalls, and load balancers Ensure high availability and performance of WAN/LAN connectivity between sites Support data center networking, including spine-leaf architecture, VLANs,...

Description SAIC is seeking a full time Senior Test & Evaluation Engineer to provide on site support at Quantico, VA, in direct support of United States Marine Corps (USMC) programs. This role supports both software and networking hardware testing activities and works closely with developers, system engineers, and government stakeholders to ensure solutions meet operational requirements. The engineer will develop and execute test plans, test cases, and procedures; perform Test & Evaluation (T&E) of new and existing USMC systems; and support the delivery of required test documentation. This position requires strong analytical abilities, experience with enterprise grade networks, and the ability to work collaboratively in a dynamic, mission focused environment. Job Duties: Develop, review, and execute test plans, test procedures, and test cases supporting USMC hardware and software systems. Conduct Test & Evaluation of systems across various platforms,...

Description SAIC has an immediate need for a Mid to Senior Full Stack Software Engineer with expertise in Java, C#, React and NiFi to support the Department of Defense (DoD) with the Defense Readiness Reporting System (DRRS) Sustainment system. The ideal candidate should possess deep technical acumen, thrive in a collaborative environment, and have the ability to deliver robust, scalable, and innovative solutions. While proficiency in all the listed technologies is ideal, we are also open to candidates who are highly skilled in some with a willingness to learn others. As a Software Engineer, you will play a key role in designing, developing, and maintaining enterprise-level applications. You will work closely with cross-functional teams to deliver high-quality software solutions aligned with organizational goals and user needs. NOTE: This position is hybrid/remote to the D.C. metro area. Candidates must be local to the D.C. metro area as there will be occasional onsite work....

Description Join a winning team!! SAIC is currently hiring to advance space capabilities supporting our Department of War (DOW) and Intelligence Community (IC) customers. Ten miles from the SAIC headquarters, our Chantilly, VA team supports systems development, targeting & intelligence analysis, systems engineering & integration and more. This role is for a Satellite Systems Engineering Manager assigned to a large-scale, multi-year contract supporting advanced and innovative space programs. The Satellite Systems Engineering Manager oversees a highly skilled technical team comprising systems engineers and satellite subject matter experts. Collaborating closely with the SAIC Program Management Team, the manager functions as a servant leader, ensuring effective execution of engineering objectives by facilitating team support across multiple satellite programs, translating strategic guidance from the Program Manager, and serving as the team's advocate to foster a...

Overview SCCI is seeking a skilled senior-level Electrical Engineer to join our team! In this position you will provide technical expertise in the areas of maritime, launcher, missile, weapon, or weapon control systems concept definition, design, integration, and engineering. You will also perform electrical engineering analysis and design, in electrical engineering software tools, coordinating electrical fabrication, and electrical engineering test techniques for an Engineering Services contract supporting Maritime C2 and Warfare/Weapons Control systems, as well as future warfare development. This position may require occasional travel and is in support of future work expected in April 2027. This position 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...

Overview SCCI is seeking a skilled senior-level Mechanical Engineer to join our team! In this position, you will provide technical expertise in the areas of maritime, launcher, missile, weapon, or weapon control systems concept definition, design, integration, and engineering. You will also perform mechanical engineering analysis and design, utilize mechanical engineering software tools, coordinate mechanical fab rication, and use mechanical engineering test techniques for an Engineering Services contract supporting Maritime C2 and Warfare/Weapons Control systems, as well as future warfare development. This position is in support of future work expected in April 2027. This position may require occasional travel and will be 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...

ECS is seeking a Quality Assurance Engineer Senior to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Responsible for creating software test and automating test cases, performing application testing, validating bugs, and isolating issues; writing and initiating tests and then analyzing and reporting the test results in the ticketing system; and performing configuration management, change management, and release management

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 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 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...

ECS is seeking a Data Engineer Senior to work in our Winchester, VA office. Please Note: This position is contingent upon contract award. Responsible for carrying out engineering tasks to deliver an advanced visual analytic application to include: developing data analytics for desktop and web-developed visual analytic software; facilitating the bulk analysis of relational information utilizing advanced graphics, visualization, and high-performance computing, as well as using the specified open source, COTS, and GOTS technologies; and establishing an application that produces manageable, actionable intelligence from streams of a structured and semi-structured data.

Description SAIC is seeking GEOINT 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 Systems Engineer you will interact daily with senior government and Program staff to analyze new concepts and technologies; support the definition and baselining of new capabilities and/or enhancements; advise on all aspects of System Engineering analysis (architecture, requirements, Concept of Operations (CONOPs), interfaces, schedule, and dependency identification); test support, and provide Readiness Event support. Responsibilities to include Collaborate daily with development contractors, government program personnel, and customers on systems engineering and acquisition functions for GEOINT collection, mission management, and mission processing. Provide oversight...

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 of the Defense Counterintelligence and Security Agency (DCSA). The Air Force Space and Intel Business Group of SAIC is seeking a Senior Virtual Desktop 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 support, and...