138 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 Position Description: The Enterprise & Mission Solution Business Unit currently has an opening for a Public Key Infrastructure (PKI) Systems Engineer to support the Department of State (DoS) Bureau of Information Resource Management (IRM) PKI program. This program provides transparent security services in support of the Department's goals to secure communications among Department staff and systems. The position falls under the "Vanguard 2.2.1" contract. This is a senior-level PKI engineering position within the Vanguard 2.2.1 program's Enterprise Engineering Office (EEO), providing PKI engineering and integration support, administering, maintaining, and deploying various PKI systems based on Entrust solutions, onsite at the various DoS Datacenters and at certain selected DoS domestic and overseas locations. The preferred candidate must possess strong skills in designing, installing, configuring, and maintaining PKI systems. Additionally the preferred...

Description SAIC is hiring a COMSEC Engineer to support secure communications for U.S. diplomatic posts worldwide. You will engineer and integrate cryptographic systems, support the sustainment of a secure global network, prove new and emerging cryptographic solutions and enhancements to existing solutions can reach production ecosystems safely and without disruption to mission, and provide Tier II and Tier III engineering support as needed. A significant part of the role is key management: operating Key Management Infrastructure and deploying Over-the-Network Keying, which replaces courier-delivered key with secure network delivery to posts around the world. This is a hands-on engineering position in a mission environment where the work is visible. When a post loses secure connectivity, you are who they reach. What You Will Do Integrate HAIPE-compliant inline network encryptors, secure voice systems, and CSfC solution components into a global enterprise network. Build...

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 has an opening for a Senior Detection Engineer . This position is located in Oak Ridge, Tennessee; however, SAIC is open to remote work for qualified candidates. This role serves as a Senior Technical Analyst within SAIC's Enterprise Security Operations Center (ESOC) and Detection Engineering Team. Reporting to the Manager of Defensive Cyber Operations (DCO), the Senior Analyst is responsible for enhancing enterprise-wide threat detection capabilities. The Senior Analyst develops high-fidelity detections on an operational cadence across SIEM, EDR, and other security telemetry platforms, ensuring SAIC maintains strong visibility into adversary tactics and emerging threats. In this position, the analyst works closely with the 24/7 Detection and Response, Cyber Incident Response, Cyber Threat Intelligence, Offensive Security Operations, and Sustainment teams to operationalize detections and continuously strengthen the organization's defensive posture. In addition...

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 is hiring a Senior Radar Systems Engineer to provide Systems Engineering and Technical Assistance (SETA) support to a classified Government customer in Chantilly, VA. You will support the development, integration, test, launch, and checkout of a radar-enabled national security space system, providing technical analysis, contractor oversight, test data review, and anomaly resolution across space and ground segments. Responsibilities include, but are not limited to: Analyze radar payload designs, RF architectures, waveforms, and sensor performance for spaceborne GEOINT missions. Provide independent SETA insight into contractor activities, including design reviews, technical trades, risks, and requirements/schedule compliance. Develop, refine, and trace system- and payload-level requirements across space, ground, and mission-processing segments. Support integration, test, launch, and on-orbit checkout, including test data review, performance assessment,...

Description SAIC is seeking a Senior Payload Systems Engineer to provide 100% onsite Systems Engineering and Technical Assistance (SETA) support to a classified Government customer in Chantilly, VA. This role directly supports the development, integration, test, launch, checkout, and on-orbit operations of national security space systems carrying electro-optical (EO) and synthetic aperture radar (SAR) payloads. The selected candidate will provide independent technical analysis, technical review, monitoring of development contractor activities, test data review, and anomaly resolution support, while serving in a customer-facing advisory role to Government stakeholders. Responsibilities include, but are not limited to: Serve as a primary technical advisor and customer-facing liaison to Government stakeholders on EO and/or SAR payload development, integration, test, launch, checkout, and on-orbit operations. Support planning, execution, monitoring, and oversight of multiple...

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 proud to support the Federal Deposit Insurance Corporation (FDIC) under the Infrastructure Support Services (ISS) contract. We are seeking an experienced Senior Network Engineer who will be responsible for supporting and maintaining the FDIC's enterprise network infrastructure to ensure operational continuity and reliable performance of its nationwide operations. This role requires a highly skilled professional to manage, configure, troubleshoot, and enhance a complex network environment comprising Cisco and Juniper technologies while ensuring security and compliance standards are met. The position involves collaboration with cross-functional teams, vendors, and carriers, as well as contributing to process improvements, documentation, and incident resolution. Primary Responsibilities: Configure, upgrade, and troubleshoot Cisco and Juniper routers, switches, and firewalls in both production and backup data center environments. Implement and maintain...

Description SAIC is seeking a Flyout Field Service Engineer (FSE) to support the Medusa Sustainment Team, the U.S. Air Force's solution for defense against small unmanned aerial systems (s UAS). Medusa is a government owned Command and Control (Medusa C2) System of Systems integrating sensors, electronic/kinetic effectors, and advanced algorithms to provide tailorable C sUAS capability for fixed base, portable, mounted, and handheld operations worldwide. This role is focused on Tier 2/3 and flyout support to Medusa C2 sites. The FSE will provide on site technical assistance, corrective maintenance, system integration, and training to operational units, and will work on site in Huntsville, AL when not deployed. Key Responsibilities When not traveling, the FSE will work on-site in Huntsville, AL, with responsibilities including, but not limited to: Provide field engineering and technical support to maintain and sustain fielded C sUAS systems, equipment, and software at...

Description SAIC is seeking an Electrical Engineer Senior to assist with tasking related to the design, manufacture and sustainment of US Military related systems, and other military systems in support of its Indianapolis facility. Tasking will include but will not be limited to design, development, modification, evaluation and test of a variety of electronic equipment and electrical systems. May work with radar and RF systems, communications equipment and 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 use and apply technical standards, principles, theories, concepts and techniques to design circuits, layout circuit cards, analyze electronic systems, and troubleshoot electronic and electrical constructs. Qualifications REQUIRED QUALIFICATIONS: ⦁ Bachelor's degree and...

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...