15 senior principal systems engineer jobs found

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 We are seeking a highly skilled Senior Principal Systems Engineer to support the HOPE 2.0 initiative in Colorado Springs, CO. In this role, you will be instrumental in developing system architectures, creating use cases, managing and analyzing requirements, and supporting multiple fast-paced projects across the Space, Intelligence, and Cyber mission areas. You will work onsite with diverse, cross-functional teams in a collaborative Agile environment, focusing on rapid development cycles and streamlined design reviews, ensuring the swift delivery of mission-critical solutions to operational environments. The candidate must also excel at communicating complex technical concepts to non-technical stakeholders and creating high-quality artifacts to effectively convey technical and programmatic objectives. Responsibilities: Working with the HOPE 2.0 Solution Architect, support the development of system architectures, performing trade studies and decisions that...

Description SAIC is seeking a Senior Principal Systems Enginee r to fill a critical position supporting a large SETA program supporting the NRO's Ground Enterprise Directorate (GED) in Chantilly, VA. The job requires the ability to flexibly manage task execution, provide technical/professional expertise on a variety of Systems Engineering topics, and advise the government on program activities. All candidates must have an active TS/SCI clearance with CI Polygraph. A successful candidate in this position will bring a record of application of systems engineering and creative thought-leadership to mature and develop revolutionary multi-intelligence solutions. Responsibilities include but are not limited to: Provide technical leadership in planning capabilities needed to better support mission operations (e.g. automation, resiliency, situational awareness, etc.) Analyze user needs, develop concepts of operation, and high-level systems architectures, and define capability...

Description SAIC is seeking a highly experienced Lead Systems Engineer (Senior Principal) to support the PMA234 Airborne Electronic Attack (AEA) Systems Program Office, providing direct engineering expertise to the one of several programs within PMA234, the IPT Lead (IPTL), and Class Desk. In this role, you will guide engineering decisions, conduct rigorous technical evaluations, and coordinate across government, contractor, and stakeholders to ensure system performance, maintainability, and technical compliance. These are high visibility positions that directly influences engineering and programmatic outcomes for critical Navy electronic attack capabilities. Key Responsibilities: Technical Evaluation & Systems Engineering Leadership Lead the review, analysis, and acceptance of engineering documents including SOWs, CDRLs, technical proposals, SETR artifacts, technical maturity assessments, and program requirements compliance. Identify deficiencies, develop...

Description SAIC seeks an experienced and energetic Senior Principal Systems Engineer to directly support the modernization of the space launch ranges, meeting mission requirements, providing range capabilities, and supporting the Assured Access to Space (AATS) mission. The overarching purpose of the program is to perform system modernization and digital transformation projects that will enable the acceleration of the space launch cadence to enable the Spaceport of the future. This position is located in Santa Maria, California. The Western Range (WR) Lead Systems Engineer will provide technical leadership across complex, cross-functional initiatives, driving systems architecture, integration, scalability, and operational excellence. This role partners closely with program management, product, and engineering teams to define system requirements, lead design reviews, ensure compliance with enterprise standards, and oversee delivery of high-quality system solutions. Job...

Description SAIC's Software Agile Delivery Team SOTL is seeking a highly motivated and experienced Software Systems Engineer Principal to serve as a Product Owner on our UNIFY Program. This role requires strong software systems engineering skills, including hands-on experience with software testing across the development lifecycle. Program management and financial experience is a plus. UNIFY integrates the core capabilities required for effective program management across SAIC's diverse portfolio of programs and customers. Built as a cloud-native platform, UNIFY provides a single, modern portal that delivers standardized, enterprise-wide program management solutions, empowering teams to operate consistently, efficiently, and with delivery excellence. As a key contributor on our dynamic full-stack development team, you will help shape our product landscape, drive strategic execution with an Agile mindset, and champion DevSecOps best practices within a cloud-centric...

Description SAIC is seeking a Lead Systems Engineer Principal to support PMA251 Aircraft Launch and Recovery Equipment (ALRE) Systems Program Office, to lead the technical direction for high-visibility Naval aviation and shipboard systems that directly impact Fleet readiness and safety. As the Senior Principal Lead Systems Engineer for Foreign Miliary Sales (FMS), you will set architecture, drive requirements and integration, mentor engineers, and represent the program at senior reviews-partnering with NAVAIR/NAVSEA and International stakeholders across complex systems such as AAG, EMALS, ALRE, shipboard power/motion control, and related electromechanical/control domains. What You'll Lead & Deliver Own the system architecture & technical baseline for multi-disciplinary hardware/software systems; guide decisions on interfaces, behaviors, allocations, performance, safety, and sustainment across the lifecycle. Drive requirements management & traceability: lead...

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 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 hiring a Senior Principal Radar Signals Engineer to join a mission-driven analysis team in Chantilly, VA supporting multiple satellite programs at the forefront of national innovation. This team is advancing novel satellite missions that directly support national priorities, operating within a highly engaged Government environment with frequent access to senior Government decision-makers. The engineer will lead modeling, simulation, and analysis of satellite-tracking radar systems for satellites in a wide range of Earth orbits, collaborating with experts in propulsion, optics, AI/ML, cloud, GPUs, and astrodynamics. Responsibilities include, but are not limited to: Design and analyze satellite-tracking radar signals, waveforms, and signal processing algorithms to support detection, acquisition, tracking, and characterization of space objects. Perform antenna design and analysis, including performance modeling and trade studies, to optimize radar system...

Description SAIC is seeking a Senior Test and Evaluation System Engineer to provide senior-level engineering, production, acquisition, and technical advisory support to the Product Manager for Maneuver Ammunition Systems (PM MAS) at Picatinny Arsenal, New Jersey . The position serves as a principal technical authority for system conceptualization, requirements architecture, technical planning, and life-cycle evaluation of complex ammunition and energetics systems. Job Duties : Provide real-time analysis, oversight, reporting, and technical recommendations for the development, production, sustainment, and delivery of small- and large-caliber ammunition, including 5.56 millimeter, 7.62 millimeter, .50-caliber, 9 millimeter, shotshell, 105 millimeter, and 120 millimeter direct-fire ammunition. Support development of acquisition strategies and acquisition plans; independently evaluate technical and process issues affecting ammunition production and delivery; and...

Description SAIC is seeking a Principal Systems Engineer to support the Air Force's next-generation Intercontinental Ballistic Missile (ICBM) weapon system acquisition - the Sentinel Program. Our customer is the Sentinel Program Office located at Hill Air Force Base, Utah. This is a rare opportunity to work on one of the Department of Defense's most strategic and transformative acquisition programs while serving as a trusted technical advisor to senior decision-makers. This position demands a highly experienced systems engineering leader with a proven track record of guiding large-scale engineering initiatives, managing complex systems, and driving high-stakes program success. Responsibilities Include: Serve as the primary technical advisor to the U.S. Air Force on engineering and acquisition decisions for the Sentinel program. Develop and oversee the strategy for major technical milestone reviews (e.g., SRR, PDR, CDR), including the creation and delivery of key review...

Description SAIC's Solutions & Technology Group (STG) is seeking an experienced MBSE Sr. Principal Digital Engineer to join our team of experts. This position will lead the development, execution, and maturation of cutting-edge Digital Engineering solutions in support of Defense, Federal Civilian, and/or National Security customers and their systems. This role focuses on advancing model-based systems engineering (MBSE), digital engineering (DE), and system-of-systems (SoS) capabilities to address evolving engineering challenges and deliver mission success. This position requires onsite work in San Diego, CA. Flexibility to travel up to 10% of the time is required for this role. You will work alongside a team of experts and stakeholders in a dynamic, mission-driven environment to advance cutting-edge capabilities in support of national security objectives. As a thought leader and systems engineering expert, you will support the integration of MBSE methodologies...

Description SAIC is seeking a Logistics Principal - Diminishing Manufacturer Sources Material Shortages (DMSMS) Lead. The Logistics Principal - Diminishing Manufacturer Sources Material Shortages (DMSMS) Hardware and Software lead position is responsible for managing logistics engineering and life cycle support services. Additional responsibilities include managing customer services and logistics product support team, and providing Integrated Logistics Support (ILS), interim support requirements development and execution, and lifecycle cost analysis support services. This role is a full-time onsite position located at Naval Station Norfolk, VA. Duties include managing all PMW-110 End-of-Life (EOL) and/or End-of Sale (EOS) parts, IT items, and tracking software within PMW-110 programs to assure timely integration of software updates, renewals, etc. The position involves working with engineers and other subject matter experts to deliver the best possible solution for...

Description SAIC is seeking a Subject Matter Expert (SME) - Data Scientist Lead to support the U.S. Transportation Command (USTRANSCOM) Joint Distribution Process Analysis Center (JDPAC V) at Scott AFB, IL. This role serves as the lead data scientist and principal technical advisor guiding advanced analytics and data engineering initiatives across the Department of Defense (DoD) sustainment supply chain and global distribution enterprise. As USTRANSCOM transitions its analytical backbone from legacy on-premises systems (Teradata) to modern cloud environments-including the Palantir / Maven Smart System and AWS / War Data Platform-the SME - Data Scientist Lead will spearhead the architecture, development, and operationalization of advanced analytical models and decision-support tools. This position blends technical leadership, hands-on data science, and stakeholder collaboration to deliver actionable intelligence for global mobility, deployment, and distribution operations. Key...