94 senior security engineer jobs found

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A), USAF/USSF civil engineer...

Description SAIC is seeking a Digital Systems Engineer (Model-Based Systems Engineer) to support SAIC's prime SETA program supporting the NRO Ground Enterprise Directorate (GED) in Chantilly, VA. Note: Qualified candidates must have a current and active Top Secret/SCI with Polygraph to be considered for this role. As the Digital Systems Engineer (Model-Based Systems Engineer) you will support the advancement of Digital Engineering and MBSE capabilities across intelligence ground systems, mission operations, and enterprise architecture initiatives. You will drive the transition from document-centric systems engineering to a scalable, model-centric digital engineering environment that improves interoperability, requirements traceability, architecture consistency, model reuse, automation, and data-driven decision-making. The ideal candidate brings deep expertise in systems engineering, MBSE, enterprise architecture, and engineering automation, coupled with strong technical...

Description SAIC is seeking a Cloud Computing Engineer to serve as a senior DevSecOps engineer supporting mission systems operating in DoD IL5 and higher environments. This role will lead the design, implementation, and sustainment of secure, automated software delivery pipelines and cloud infrastructure for critical national security customers, with a focus on AWS services (including AppStream 2.0) and integration with Keycloak. The Cloud Engineer acts as a technical leader and subject matter expert, partnering with government stakeholders, solution architects, cyber, and development teams to deliver scalable, resilient, and compliant AWS solutions in development, test, and production environments. Key Responsibilities include: serve as the senior DevSecOps/Cloud engineer for AWS-based solutions in IL5+ and classified environments. Define cloud-native architectures, deployment patterns, and CI/CD strategies aligned with customer mission, DoD Cloud Computing SRG, and RMF...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental...

Description SAIC is seeking an experienced and technically skilled Senior Systems Engineer to support NSWC Crane and the Sea-Launched Cruise Missile - Nuclear (SLCM-N) program. In this role, you will perform a broad range of systems engineering activities in support of one of the Department of Defense's highest-priority nuclear modernization programs. The successful candidate will assist the Navy is directing and managing a competitive prototyping development effort and apply a complete understanding of systems engineering principles to deliver innovative, technically sound solutions that meet mission requirements within schedule and cost constraints. The Senior Systems Engineer will perform systems engineering activities including concept of operations formulation, requirements definition, analysis and engineering, system architecting, system analysis and design, interface and data architectures, validation and verification, systems integration, system and operational...

Description SAIC is seeking a Senior Systems Engineer to join our team in Huntsville, AL. Project Overview The Network, System Integration and Test Environment (NSITE) is a government-owned, managed, and developed software suite under the Army S3I Indicium Project. NSITE supports the Missile Defense Agency (MDA), Joint Services, and multiple laboratories by enabling continued interoperability testing of systems critical to the defense of the United States and its Allies. The selected candidate for the Systems Engineer (SME) role will foster collaboration across diverse functional areas and contribute to the advancement of this mission-essential capability. Duties and Responsibilities Collaborate with leads to drive software decisions for upcoming test events and deliver technical recommendations. Engage with external customers to align NSITE software status and gather system requirements. Maintain expert knowledge of the MDA...

Description SAIC seeking a Systems Network Engineer II to support the design, configuration, integration, and sustainment of secure network infrastructure supporting distributed computing, cloud, and software environments. This mid-level role will work across on-premises lab and test environments, cloud infrastructure, and distributed computing platforms to maintain reliable and secure connectivity. The candidate will collaborate with network engineers, cloud and platform teams, cybersecurity personnel, software developers, and other technical stakeholders to troubleshoot network issues, maintain network documentation, implement access controls, and support emerging capabilities. The ideal candidate possesses strong foundational networking skills, hands-on troubleshooting experience, and an interest in expanding their expertise across cloud networking, containerized environments, network automation, and modern infrastructure technologies. THIS IS AN ONSITE ROLE IN SAN DIEGO,...

Description JOB DESCRIPTION: SAIC seeks a SeniorCloud Computing Engineer to join our team of professionals providing technical and program services to the U.S. Government (USG). SAIC provides research, engineering, design, analysis, acquisition, development, integration, test, and operations support USG Intelligence Community (IC) and Department of Defense (DoD) customers. We support development and delivery of next generation and generation after next national security systems based on land, at sea, in air, and in space. The Senior Cloud Computing Engineer sought here serves a USG Program Office leading Research & Development (R&D) of evolutionary, revolutionary, and transformational cloud-based architectures. This position provides Systems Engineering & Technical Advisory (SETA) support services. Your responsibilities include some or all of the following depending on your personal desires and capabilities: Expertise with commercially available cloud...

Description SAIC is seeking a well-rounded Senior Test Engineer to lead test activities for a team of EEs, MEs, programmers and other project personnel involved in delivering concepts and products related to aircraft and other military systems. The candidate will directly support Government program(s) as a test engineer throughout the entire program lifecycle. This position will be onsite at our facility in Indianapolis, IN. JOB DUTIES: The candidate will support test during all aspects of design and will test and debug circuit card assemblies, embedded systems and other hardware and software systems. Candidate will be expected to lead and advise other test personnel as well as other engineers. Candidate will work multiple projects and will develop test plans, procedures and reports. Candidate will work with test equipment architects to determine test strategies for products. Candidate will work with team on requirements allocation, will identify best method for...

Description SAIC's STG is seeking a talented and motivated Senior Front-End Software Engineer to support the Department of Veterans Affairs (VA). In this role, you will design, develop, and maintain modern, accessible, and user-centric web applications. You will collaborate with UX designers, backend engineers, data scientists, and AI/ML specialists to integrate AI-driven insights into intuitive front-end experiences that support complex, high-stakes decision-making workflows. While your primary focus will be front-end development, you will also work closely with cloud and backend services teams to ensure secure, performant, and scalable end-to-end solutions in support of Veterans and the VA mission. This position can be worked remotely within the United States for the right candidate. Responsibilities Design, develop, and maintain front-end web applications using modern web technologies (e.g., TypeScript/JavaScript and React, Angular, or similar frameworks). Build and...

Description SAIC is seeking a Model Based Systems Engineer (MBSE) to support SAIC's Prime SETA program within the NRO in Chantilly, VA. In this role, you will help advance Digital Engineering and MBSE adoption across mission-critical national security systems, working alongside government leaders, SETA teammates, FFRDC partners, and development contractors. This is a unique opportunity to influence enterprise architecture, future mission capabilities, and Digital Engineering transformation efforts supporting some of the nation's most important space and intelligence missions. Key Responsibilities Apply MBSE, Digital Engineering, and systems engineering best practices to support the development and modernization of mission-critical ground systems. Develop and refine mission architectures, requirements, CONOPS, and engineering models that support informed technical and acquisition decisions. Create and maintain digital models supporting architecture development, requirements...

Description SAIC is seeking a Senior Principal Systems Engineer to support the Tactical Networks (TACNET) Capabilities Based in Service Engineering Agent (CB-ISEA). This is a Hybrid/Remote role in San Diego, CA. MUST BE LOCAL TO AREA DUE TO PERIODIC ONSITE VISITS . 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. TACNET Sustainment Team 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...

Description SAIC is seeking a skilled and motivated Cloud Engineer to join our team in supporting an IT Service Management (ITSM) effort for the U.S. Transportation Command (USTRANSCOM) located at Scott Air Force Base (AFB), Illinois. Be part of the prestigious MITS (Managed Information Technology Services) contract, where innovation and modernization meet the critical demands of a Combatant Command tasked with enabling global logistics and mobility. This is a career-defining opportunity to provide strategic, technical, and hands-on cloud engineering expertise to TCJ6, USTRANSCOM's tech-forward Command, Control, Communications & Cyber Systems Directorate. You'll play a pivotal role in supporting the operations, optimization, security, and modernization of mission-critical infrastructure, applications, and systems. Responsibilities: Plan, design, and implement next-generation commercial cloud architectures with a focus on security, scalability, resiliency, and...

Description SAIC is searching for a Senior level System Administrator who performs high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, server hardware to join our VA team. Develops solutions to routine technical problems of limited scope. Follows standard practices and procedures in analyzing situations or data from which answers can be readily obtained. This is a 100% Remote role. Job Description Coordinates, directs and performs complex software installations and upgrades to operating systems and layered software packages Schedules installations and upgrades and maintains them in accordance with established IT procedures Continually monitors and tunes multiple systems to achieve optimum performance levels Ensures data/media recoverability by developing and implementing a schedule of system backups and database archive operations Plans and implements the modernization of servers. Develops, implements and promotes...

Description SAIC is looking for a Senior Software Engineer for a position located in San Diego, CA. The candidate will be required to have a high level experience in JavaScript, React, Linux (RHEL), and has a strong background in Web Experience. This role requires you to have an ACTIVE SECRET clearance to start. *This will be an ON-SITE role with expected travel up to 10% throughout the year.* JOB DUTIES: The candidate shall perform software engineering design and development activities to produce reliable, modular, and secure software components. The work will include development of software on a RHEL OS platform. This will include software development with custom C++ based applications, X windows-based applications, and web-based middleware. Development will consist of application writing and policy for security accreditations. Qualifications REQUIREMENTS : Education and Experience: Bachelors and five (5) years or more experience; Masters and...

Description SAIC is seeking an experienced and technically skilled Senior Systems Engineer to support NSWC Crane and the Sea-Launched Cruise Missile - Nuclear (SLCM-N) program. In this role, you will perform a broad range of systems engineering activities in support of one of the Department of Defense's highest-priority nuclear modernization programs. The successful candidate will assist the Navy is directing and managing a competitive prototyping development effort and apply a complete understanding of systems engineering principles to deliver innovative, technically sound solutions that meet mission requirements within schedule and cost constraints. The Senior Systems Engineer will perform systems engineering activities including concept of operations formulation, requirements definition, analysis and engineering, system architecting, system analysis and design, interface and data architectures, validation and verification, systems integration, system and operational...

Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified...

Description SAIC is seeking a Senior Field Software Test Engineer with strong experience performing software acceptance, integration, and regression testing, as well as configuration management. The candidate will take a key role in expanding the scale and accelerate the pace of our research, development, test and evaluation (RDT&E) supporting national security client projects at our facility in Upper Marlboro, MD and at other locations within the continental US. This role offers the opportunity to work with multi-disciplinary teams of engineers, data scientists, and AI scientists and contribute to innovative technology development and experimentation. Responsibilities: Coordinate with software engineering teams to configure, deploy, and test applications and microservices on on-premises infrastructure and on cloud platforms. Develop and maintain configuration documentation and software test plans. Perform and document tests of APIs and microservices,...

Description SAIC is seeking a well-rounded Systems Engineer Senior to lead a team of EEs, MEs, programmers and other project personnel to deliver concepts and products related to aircraft and other military systems. The candidate will directly support Government program(s) as a systems engineer and/or project lead throughout the entire program lifecycle. The candidate will support all aspects of design to include, but not limited to, design, development, documentation, test and debug of embedded systems and other hardware and software systems. Candidate will be expected to perform engineering investigations, integrate hardware/software components, and is expected to possess excellent communication skills to interface to multi-disciplinary design team. Candidate will also perform detailed trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software or engineering specifications. Candidate will also perform...

Description Position Title: Senior Cloud DevSecOps Engineer Target Environment: Multi-Cloud (AWS Commercial/GovCloud, GCP, Azure) & Unified Cloud Portal Position Overview The Senior Cloud DevSecOps & Terraform Engineer will serve as a key technical contributor supporting a multi-cloud initiative. This role focuses on developing, maintaining, and automating multi-cloud infrastructure through Infrastructure as Code (IaC/Terraform), building CI/CD pipelines, and integrating backend automation with the Unified Cloud Portal and Service Catalog. The ideal candidate will combine deep expertise in cloud automation, containerization (including DoD Iron Bank hardened images), and continuous compliance scanning to ensure seamless and secure cloud provisioning across cloud enclaves. Key Responsibilities Infrastructure as Code (IaC) & Cloud Automation (Terraform) Design, develop, test, and maintain modular, reusable Terraform modules for AWS...