47 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 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 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 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'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 looking for a Senior Network Engineer to provide Tier 3 advanced engineering support for a mission-critical naval enterprise transport network, ensuring continuous availability, resilience, and scalability. This role serves as the highest level of operational escalation, responsible for diagnosing and resolving the most complex network issues, guiding Tier 2 personnel, improving network reliability, and contributing to long-term architectural direction. The engineer supports end-to-end network visibility, advanced troubleshooting, optimization, change control, and integration of new capabilities across a globally distributed environment. This position is onsite in Suffolk, VA. Primary Responsibilities: Serve as the Tier 3 engineering escalation point, handling complex outages and deep root-cause investigations. Perform advanced analysis of network performance, routing behavior, and security events using packet-level tools. Lead cross-functional...

Description SAIC is seeking a Senior Field Engineer in Portsmouth, VA . Job Duties: Build and test hardware and software for Windows and Nutanix based systems. Patching for computer and network devices. PITCO testing and setup of hardware. Troubleshoot technical problems and issues, determines technical solution in accordance with product and customer specifications. Troubleshoot serial connections. Troubleshoot network connectivity. Troubleshoot RF and time systems. Log and respond to site tickets. Troubleshoot legacy hardware and repair units for system sustainment. Assesses product needs in accordance with customer specifications. Acts as local on-site representative to customer organization. Participates in on site system integrations. Develops and updates system and process documentation as needed. Qualifications Qualifications: Related bachelor's and nine (9) years or more experience or Master's degree and seven (7)...

Description SAIC is currently hiring a System Engineer at Ft Belvoir, VA. Job Duties : Support the modernization and integration of the Intelligence Foundation layer aligning sensors, data, and analytics with command requirements of the US Army Intelligence and Security Command (INSCOM) needed to execute Multi-Domain Intelligence. Maintain responsibility for assessment and estimation of gap analysis, requirements, development, test, and deployment of products and systems. Work closely with customers, senior leadership within programs, and other systems engineers and development engineers to comprehend customer objectives and requirements and develop solutions from the conceptual stage through delivery and field deployment. Comprehend customer objectives, CONOPS, and requirements and translate those requirements into an executable development plan. Responsible for overseeing system definition and implementation in support of an overall system architecture for...

Description SAIC is looking for a Senior Systems Engineer to serve as a Senior Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance of a newly deployed US Navy enterprise transport network, ensuring 24/7/365 availability and reliability. The position will support end-to-end network, system, and element visibility; facilitate rapid operations, administration, maintenance, and provisioning to maintaining the operational integrity of a mission-critical network, requiring both technical expertise and a commitment to excellence in service delivery. This position will work a schedule of 7AM - 3PM, 5 days per week to include weekends and a rotating on call requirement. Work will be performed at the Navy customer's site in Suffolk, VA. Specific Duties Include: Provide Tier 3 level engineering operations support to quickly identify, triage, and address outages, analyzing symptoms and potential root causes to...

Description The SAIC Vanguard 2025 Program currently has an opening for a Senior Network Engineer supporting the Dept. of State (DoS) Diplomatic Technology (DT) Network Operations (NO) division. This position primarily supports operations and maintenance of foreign post network integrations with the DoS Core and other network integrations comprising a large and complex network infrastructure and cloud environments, with engineering and design responsibilities as warranted. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying out its U.S. foreign policy mission. DT provides enterprise architecture design, engineering, operations and maintenance support services for desktops, servers, networks, firewalls, cloud infrastructure, and enterprise applications across the Department. The SAIC Vanguard 2025 Program provides comprehensive IT support consisting of the Department's servers, network devices, network perimeter...

Description SAIC is seeking a Systems Engineer to provide high-impact Systems Engineering and Technical Advisory (SETA) support to a mission-critical program within the National Reconnaissance Office's (NRO) Ground Enterprise Directorate (GED) in Chantilly, VA. As the team responsible for architecting, acquiring, and sustaining the nation's most advanced space and ground systems, GED is driving transformative advances in national security. This exciting opportunity places you directly at the core of GED's efforts to modernize and streamline Enterprise Systems Engineering governance and policies, implement modern systems engineering methods across the Directorate, and foster collaboration with System Program Offices (SPOs). Your work will impact the alignment of systems engineering practices with enterprise-wide objectives, positioning GED as a leader in delivering mission-critical capabilities efficiently and effectively. Key Responsibilities to include: Develop, Maintain,...

Description SAIC is seeking a Program Protection Analyst to support and advance Department of War (DoW) technology & program protection (T&PP),system security engineering, and independent technical risk assessment (ITRA) activities across the acquisition lifecycle, from requirements development through design, production, sustainment, and disposal of military systems that operate in physical and/or cyberspace domains. The ideal candidate will be a well-versed systems security engineer or technical analyst with demonstrated experience conducting technical assessments of DoW acquisition programs. The candidate will support ITRAs and program protection reviews by analyzing technical evidence and developing evidence-based findings and recommendations for Government consideration and routing to the applicable approval authority. The candidate will support the development of strategies, decision-support products, and reports for DoW senior leaders and coordinate with...

Description SAIC is seeking a Electro-Optical (EO) Engineer to join SAIC's Prime SETA program in Chantilly, VA supporting the NRO's Ground Enterprise Directorate (GED). In this role, you will also serve as a trusted technical advisor driving the development and modernization of next-generation EO GEOINT mission processing capabilities. You will collaborate closely with government leaders, development contractors, and mission partners to shape resilient, high-performance solutions that directly support national security priorities. Key Responsibilities to include: Advance EO resiliency initiatives by evaluating emerging technologies, identifying vulnerabilities, and guiding mission-enhancing solutions in partnership with IC stakeholders. Maintain technical cognizance across a broad GEOINT mission processing portfolio, tracking baselines, schedules, dependencies, risks, and cost drivers to ensure program success. Oversee Prime Contractor development efforts, providing...

Description SAIC is seeking a highly skilled and versatile Senior SecDevOps & Systems Engineer with strong full-stack development capabilities to join our IT team. This role unifies three critical functions: secure DevOps automation, end-to-end systems engineering, and hands-on application development. The ideal candidate will lead the design, integration, and secure delivery of complex systems - architecting the infrastructure, building the pipelines that deploy to it, developing applications that run on it, and embedding security at every layer. This role requires deep expertise spanning software development, IT operations, systems engineering, and security engineering, with the ability to bridge gaps between systems, teams, and processes while serving as a hands-on technical leader. This position is hybrid-remote and requires 2 days on-site per week in Sterling, VA. Systems Engineering & Integration Responsibilities: Lead the design and implementation of...

Description SAIC is seeking a highly skilled and experienced Senior DevOps Engineer with a strong focus on DevOps methodologies to join our IT team. The ideal candidate will be responsible for leading the integration of complex systems, automating workflows, and facilitating continuous integration and continuous deployment practices to enhance operational efficiency and system reliability. This role requires a deep understanding of both software development and IT operations, aiming to bridge gaps between systems, teams, and processes. This position is requires 2 days on-site per week in Sterling, VA. Responsibilities: Lead the design and implementation of integrated systems solutions to support enterprise objectives. Develop and maintain robust automation workflows for software build, test, and deployment processes to enhance efficiency and reliability. Architect and implement continuous integration and continuous deployment (CI/CD) pipelines to streamline development...