40 principal systems engineer jobs found

ECS is seeking a Principal Systems Engineer III (Network) to work in our Pocatello, ID or Clarksburg, WV offices. The candidate shall be responsible for design, deployment, testing, certification, patching, and addressing interoperability issues for all features, components, and application dependencies. This includes switches, firewalls, load balancers, software defined networking, private cloud requirements, etc. Position requirements and duties of the Principal Systems Engineer III (Network): Design, implement, and provide ongoing support of the Networking Infrastructure within and between data centers. Serve as the advanced matter expert for all data center network environments. Create and maintain network infrastructure for both bare metal and virtual machines with the appropriate LAN, WAN, vLAN, SDN, firewall and load balancer configurations, using both OEM and third-party tools that include virtual network tools (NSX) and services....

Description SAIC is seeking a highly skilled Principal Systems Engineer to take a leadership role in the design, development, and integration of complex software systems. This position requires deep expertise in software architecture, systems engineering, and large-scale software integrations. As a Principal Systems Engineer, you will be responsible for driving the technical direction, leading design efforts, and overseeing the delivery of high-performance, secure, and scalable systems to the Department of the Air Force's (DAF) Integrated Fires Command and Control Command and Control (DIFC2) Program. This position will lead collaboration with cross-functional teams to ensure seamless integration of software, hardware, and network components. The successful candidate will have excellent communication, organizational and problem-solving skills. They will be expected to continually balance and adjust work priorities to meet short deadlines. This position is ONSITE in Reston, VA...

Description SAIC seeks an experienced and energetic 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, CA. Job Responsibilities: • Providing system-level engineering support and expertise to a cross-functional team. • Providing preliminary solutions to engineering problems of moderate scope and complexity in an expeditious, efficient, and timely manner. • Identify and apply current and emerging Digital Engineering practices, methods, and tools to address our sponsor and partners' most pressing challenges. • Apply knowledge and principles of agile acquisition,...

Description SAIC seeks an experienced and energetic 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. These position is located in Cape Canaveral, Florida. Job Responsibilities: • Providing system-level engineering support and expertise to a cross-functional team. • Providing preliminary solutions to engineering problems of moderate scope and complexity in an expeditious, efficient, and timely manner. • Identify and apply current and emerging Digital Engineering practices, methods, and tools to address our sponsor and partners' most pressing challenges. • Apply knowledge and principles of agile acquisition,...

ECS is seeking a Principal Systems Engineer III (Unix/Linux) to work in our Pocatello, ID office . The Contractor shall be responsible for the design, deployment, testing, certification, patching, addressing interoperability issues, not only of the base operating system, but for all support libraries, components, and application dependencies. Position requirements and duties of the Principal Systems Engineer II (Unix/Linux) S erve as the advanced knowledge expert for all Linux environments. C reate and maintain bare-metal and virtual machines with the appropriate distribution of Linux and network configuration, using tools that include Satellite Server, Ansible and BigFix. P rovision/configure the required software onto servers, such as web servers and databases. E valuate, improve, and maintain the information security throughout the Linux infrastructure. M onitor and correct server issues and process for failures and performance bottlenecks....

ECS is looking for a Principal Systems Engineer - Embedded Software Engineer to work Onsite in Arlington, VA. The Principal Systems Engineer will provide senior-level technical oversight, quality assurance, and lifecycle governance for embedded tactical software supporting Department of Defense and Navy weapon and combat systems. This is a principal individual-contributor role focused on reviewing, validating, and auditing embedded software and engineering decisions-not people management or day-to-day software development. The ideal candidate has deep experience in safety-critical, highly regulated environments such as missile systems, Aegis or Navy combat systems, or other real-time defense platforms, and brings the technical judgment needed to independently assess software quality, integration impacts, and engineering rigor. What You'll Do Serve as a senior technical authority on Change Control Boards (CCBs) governing embedded software updates and configuration...

Description SAIC is seeking a motivated and detail-oriented Principal Systems Engineer to support ESR execution, extended mission activities, and activation opportunities. In this role, you will bridge mission science objectives with engineering solutions, playing an integral role in planning, integrating, and executing key milestones throughout the mission lifecycle. The ideal candidate will work directly with the Mission Science Team to ensure mission-critical objectives are met. This includes participating in mission planning, managing engineering processes, and supporting the transition of systems from primary to extended mission phases. Your contributions will help ensure operational success in complex mission environments. Key Responsibilities: ESR Execution and Extended Mission Activities Lead ESR Execution Activities: Plan, manage, document, and execute ESR activities, including milestone reviews, readiness assessments, and risk...

Description SAIC seeks an experienced and energetic Principal Weather 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 Cape Canaveral, Florida. Job Responsibilities: • Providing system-level engineering support and expertise to a cross-functional team. • Providing preliminary solutions to engineering problems of moderate scope and complexity in an expeditious, efficient, and timely manner. • Identify and apply current and emerging Digital Engineering practices, methods, and tools to address our sponsor and partners' most pressing challenges. • Apply knowledge and principles of agile...

Description SAIC seeks an experienced and energetic Principal Telemetry 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. These positions are located in Cape Canaveral, Florida and Santa Maria, CA. Job Responsibilities: • Providing system-level engineering support and expertise to a cross-functional team. • Providing preliminary solutions to engineering problems of moderate scope and complexity in an expeditious, efficient, and timely manner. • Identify and apply current and emerging Digital Engineering practices, methods, and tools to address our sponsor and partners' most pressing challenges. • Apply knowledge and...

Description SAIC seeks an experienced and energetic Principal Integration 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, CA. Job Responsibilities: • Defines discrete systems with processes to link together complex systems and components with software applications to perform as a coordinated whole. • Uses a broad range of skills and a breadth of knowledge in several engineering/technology disciplines including systems and enterprise architecture, software and hardware engineering, interface protocols, and general problem-solving skills. • Assist in the development of transition...

Description SAIC is seeking an experienced Acquisition Systems Engineer with technical and practical understanding of space systems and phenomenology to support a Major System Acquisition development in support of resilience spanning a diverse set of global threats for a customer within the National Reconnaissance Office (NRO) in Chantilly, VA. This customer is responsible for designing, building, and operating national security-related systems based in space, in the air, and on the ground. SAIC is a strong company providing opportunities for energetic individuals with a strong desire to expand their knowledge while increasing their responsibilities. SAIC is seeking Systems Engineers with Acquisition practice at various experience levels to provide Systems Engineering and Technical Advisory (SETA) services to a rapidly expanding Government Intelligence Community (IC) customer for a complex space and ground efforts as part of an exciting and innovative set of programs. The...

Description SAIC's National Security and Space Sector (NSS) is seeking a Systems Engineer to provide systems engineering and technical advisory (SETA) services to a United States Government (USG) customer in Chantilly, VA. The successful candidate will support technology transition and acquisition for next-generation national security space, air, and ground systems-advancing capabilities from applied research through program baseline insertion. This role requires a professional who can bridge technical and acquisition domains to ensure successful program execution in a fast-paced, mission-critical environment. Roles and Responsibilities: Provide analytical, engineering, technical, and administrative guidance to USG leadership in the execution of special communications capabilities Seek new, unique, and innovative data application concepts, engineering techniques, and technology applications through the interpretation and analysis of data and processes Advise on...

Description Join the Data Feed Integration (DFI) team on the Advanced Battle Management System (ABMS) Cloud-Based Command and Control (CBC2) Program. In this role, you will support SAIC's efforts as the Lead Systems Integrator (LSI) by driving critical data feed integration initiatives. The DFI team plays a pivotal role in ensuring the seamless integration of external data feeds, API-based systems, and internal architectures, enabling mission success. This position is central to modernizing advanced Command and Control (C2) capabilities for DoW systems and advancing operational readiness. This position operates in a hybrid work environment with responsibilities divided between 25% travel (including installations and integration events in secure spaces), 25% in-office presence for team collaboration and operational needs, and 50% remote work for independent and team-oriented tasks. This is a unique position that blends technical, strategic, and collaborative responsibilities. You...

Description SAIC is looking for a Systems Administrator/Network Engineer/Spacecraft Command/Control Scheduler . Duties will include coordinating and managing end to end architecture by scheduling assets, configuring, maintaining, and troubleshooting networking equipment, servers and processing systems. End-to-end events will support testing, development, training, exercises, and real-world operations. This position is a direct interface with all users and sister agencies tabulating requirements, spotting trends, and developing usage metrics as needed by customers for mission execution. Plan and execute space and ground segment schedules coordinating with other intelligence organizations Monitor signal processor product generation ensuring flow of time critical data Monitor and update all components of computer network software including software licenses, software version updates and anti-virus software as required Configure and maintain firewalls, switches and...

Description JOB DESCRIPTION: SAIC is seeking a motivated and experienced Test and Evaluation Engineer to join our team in El Segundo, CA. SAIC is sub-contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. You will join a Systems Engineering team defining the next generation of space communication systems supporting Air Force Military Satellite Communications. You will support Systems Engineering & Integration activities in a multidisciplinary and collaborative environment. The Systems Engineer will interface and collaborate with SE&I team members, contractors, government civilians and members of the USAF. The Systems Engineer will lead and support several working groups responsible for leading technical discussion, resolve and identify risk, requirement gaps, developing briefings, writing, and tracking action items, and authoring meeting minutes. The MILSATCOM Systems Engineering, Integration, and...

Description JOB DESCRIPTION: SAIC is looking for a Spacecraft Command and Control Scheduler and Network Engineer / Systems Administrator . Duties will include coordinating and managing end to end architecture by scheduling assets, configuring, maintaining, and troubleshooting networking equipment, servers and processing systems. End-to-end events will support testing, development, training, exercises, and real-world operations. This position is a direct interface with all users and sister agencies tabulating requirements, spotting trends, and developing usage metrics as needed by customers for mission execution. Plan and execute space and ground segment schedules coordinating with other intelligence organizations Monitor signal processor product generation ensuring flow of time critical data Monitor and update all components of computer network software including software licenses, software version updates and anti-virus software as required Configure and maintain...

Description SAIC is seeking a cleared MBSE Systems Engineer who is a current Model-Based Engineering practitioner to support a portfolio of Battlespace Awareness and Information Operations (BAIO) capabilities to our DoD customer. In this role, you will join our highly energized team of solution architects as we deploy innovative solutions for Information Operations; Intelligence, Surveillance and Reconnaissance; and Meteorology and Oceanography capabilities. The Systems Engineering and Integration (SE&I) Solutions need SE and MBSE methods and creative thinking for a successful program. Job Highlights • Exercise both thought leadership and practical engineering application by leveraging your Systems Engineering and Model-Based Engineering experiences to transform programs from a document-centric approach to a model-based approach to more effectively support our customers and ensure their mission success. • Apply knowledge of systems engineering processes, methods, tools,...

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 Join a winning team! Be part of a dynamic team that delivers excellence and quality for the NRO's Systems Engineering Directorate (SED). SAIC is seeking to fill an opening for a Space Enterprise System Engineer to provide Systems Engineering and Technical Assistance (SETA) services to an IC customer. The customer organization we support provides the system enterprise architecting, analysis, and system of systems engineering solutions that determine the current and future national space systems. Make a difference in securing our nation's security through quality engineering and innovation. Responsibilities include but are not limited to: Coordinating and supporting enterprise requirements, CONOPS, and architectures in various domains; supporting enterprise and system level requirements development for future systems; overseeing the allocation and closure of acquisition-level requirements with developers; participation in readiness events in support of...

Description SAIC is seeking a highly qualified Test Engineer Principal to support the Advanced Battle Management System (ABMS) Digital Infrastructure (DI) Network Designer & Deployer program in support of the Department of the Air Force (DAF) Program Executive Officer for Command, Control, Communications and Battle Management (PEO C3BM). The ABMS DI Network is the backbone of the DAF BATTLE NETWORK - the Air Force's contribution to the DoD's Combined Joint All-Domain Command and Control (CJADC2) warfighting concept. This program delivers a secure, resilient, multi-enclave digital infrastructure spanning Unclassified through TS/SCI security domains, integrating cutting-edge commercial and government technologies, including cloud computing, SD-WAN, Enterprise Cross-Domain Solutions, Data Distribution Networks, Scalable Transport, and Data Link Integration Modules across global operational sites. As the Test Engineer Principal, you will serve as the senior technical authority...