30 systems engineer principal jobs found

Description SAIC is looking for an experienced Systems Engineer to lead the Space Reactor-1 (SR-1) Freedom and Power and Propulsion Element (PPE) Assembly, Integration and Test (AI&T) efforts. SR-1 will demonstrate nuclear electric propulsion and provide a path to higher powered and longer duration Mars missions. The candidate would be S upporting the SR-1 PPE Lead Systems Engineer. Essential Duties and Responsibilities : Definition and oversight of PPE assembly, integration and test (AI&T) Development of GSE requirements Development of launch site ground operations Coordinate activities with the SR-1 Vehicle Integration team Provide insight and oversight of the prime contractor's AI&T team Location: Work will be performed in Cleveland, Ohio, onsite at NASA GRC 5-days a week. Qualifications Required Skills: Experience developing complex flight hardware Demonstrated experience leading AI&T...

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 candidate applies systems engineering, systems modeling, product lifecycle management, modeling and simulation, and related techniques, tools, and methodologies to construct, steward, curate, and leverage end-to-end digital content for client programs. 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...

Description The Systems Engineer (Mission Integrator) provides advanced systems engineering, mission integration, and operational analysis support to the Headquarters Element under an awarded contract. This role enables the synchronization of activities across IPC and SOCPAC by aligning security cooperation, resourcing, operational capabilities, and stakeholder requirements across military and civilian-led initiatives. The incumbent supports the development, integration, and execution of operational plans and contributes to the creation and refinement of a civilian Common Operating Picture (COP) through concept development, operational analysis, modeling and simulation, and systems-level assessment. Working in a consultative and highly collaborative capacity, the Systems Engineer delivers technical and analytical support to senior leaders, planners, and mission partners to improve decision-making, strengthen alliances and partnerships, and enhance operational presence,...

Description SAIC is seeking an experienced Electrical Systems Engineer to join our elite Systems Engineering and Technical Assistance (SETA) team supporting cutting-edge national security programs. In this role, you'll contribute to the development of advanced remote sensing technologies, sensor systems, and space vehicle architectures that directly impact mission-critical operations. This is an opportunity to tackle complex technical challenges while working alongside world-class engineers on multiple high-priority, fast-paced projects. Roles and Responsibilities: As a SETA, you will provide expert technical guidance and oversight to ensure program success across the full system lifecycle: Provide technical insight to the next generation electronics and sensor development Review and assess development contractor deliverables including requirements flow-down, verification methodologies, calibration plans, interface control documents, concepts of operations, and test...

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 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 or Vandenberg Space Force Base, CA. Job Responsibilities: Design and develop solutions for weather forecasting and monitoring systems. Integrate hardware and software for meteorological data collection and real time processing. Analyze system performance and implement improvements for accuracy and reliability. Collaborate with cross functional teams to translate forecasting needs into technical solutions. Develop and support algorithms for data...

Description SAIC is seeking a Principal Systems Enginee r to support the TACNET Sustainment Team who will assist and lead various efforts and initiatives involving our tactical networks. Ideal candidate will help fleet and government customer in high tempo situations to support and resolve issues in a methodical and swift manner to restore critical mission essential services at sea. Person will work closely with sustainment engineering team and development team to purpose and engineer solutions to improve, modernize, and sustain afloat networks using an agile methodology in a DevOps environment. Must be willing and interested in learning new toolsets, templates and workflows as business needs evolve. This role is Hybrid/Remote, must be local to San Diego, CA and okay with 10% travel. JOB DUTIES: Provide System life cycle software engineering support for our NAVWAR and NIWC customers. Focus primarily on software components loaded on supported tactical networks to sustain...

Description SAIC seeks a highly experienced Principal Systems Engineer to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of ground-based radars critical to US and Allied strategic missile surveillance, warning, defense, and space surveillance missions. In support of the government customer, the SAIC Program Manager, and the Chief Engineer, the Systems Engineer is responsible for responsive and coherent planning, development and delivery of UEWR radar hardware and software modifications in response to engineering change requests and/or system deficiency reports. This position is located on-site in Colorado Springs, Colorado. Job Duties Ensures the logical and systematic conversion of product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detailed trade studies, requirements allocation and interface...

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 Position Description 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 Serve as technical SME to respective users/developers by providing technical and scientific assistance as necessary to meet mission tasks objectives Advise on acquisition strategies,...

Description SAIC is seeking a Principal Cybersecurity Engineer to support the AOC Weapons System Falconer Program, and compliant configuration, sustainment, and troubleshooting of mission-critical Command and Control (C2) systems across various Air Operations Centers (AOCs) worldwide. Roles and Responsibilities: Support AOC Weapons System Falconer Program: Provide cybersecurity support for the Air Operations Center (AOC) Weapons System Falconer Program, ensuring mission readiness and operational effectiveness. Compliance and Configuration: Perform compliant configuration of mission-critical Command and Control (C2) systems, adhering to established cybersecurity policies, standards, and best practices. System Sustainment: Sustain and maintain the ongoing functionality and security of C2 systems across various Air Operations Centers (AOCs) worldwide, ensuring continuous operational availability. Troubleshooting and Maintenance: Identify, diagnose,...

Description SAIC seeks a highly experienced and energetic Senior Principal Software Engineer to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of ground-based radars critical to US and Allied strategic missile surveillance, warning, defense, and space surveillance missions in Colorado Springs, Colorado. In support of the government customer, the SAIC Program Manager, and the Chief Engineer, the Software Engineer is responsible for responsive and coherent planning, development, and delivery of PARCS and UEWR assessment of systems and networks within the environments to identify where those systems and networks deviate from acceptable configurations, enclave policy, or local policy. Job Duties: Responsible for code development and code deployment for the software version releases which modifies the software baseline of the BMEWS/PAVE PAWS ground-based radar sensors. Designs, develops, documents, tests...

Description SAIC seeks a highly experienced and energetic Principal Software Engineer to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of ground-based radars critical to US and Allied strategic missile surveillance, warning, defense, and space surveillance missions in Colorado Springs, Colorado. In support of the government customer, the SAIC Program Manager, and the Chief Engineer, the Software Engineer is responsible for responsive and coherent planning, development, and delivery of PARCS and UEWR assessment of systems and networks within the environments to identify where those systems and networks deviate from acceptable configurations, enclave policy, or local policy. Job Duties: Responsible for code development and code deployment for the software version releases which modifies the software baseline of the BMEWS/PAVE PAWS ground-based radar sensors. Designs, develops, documents, tests and...

Description SAIC is seeking a Software Engineer Principal for the Unmanned Maritime Systems Support (UMSS) effort. This program will entail Common Control System (CCS) integration in support of REPMUS (Robotic Experimentation and Prototyping with Maritime Unmanned Systems) which is an annual exercise in Portugal. This position is contingent upon award news, expected July 2026 . This position is remote and will involve significant travel annually to Portugal for exercise integration support. Job Duties: Work with the multidisciplinary technical team to ensure successful integration of the Common Control System into REPMUS Qualifications Required Education and Experience: Bachelor of Science degree in Computer Science, Computer Engineer, or Electrical Engineering Required Security Clearance: Must have an active secret clearance on first day of employment Required Certifications: N/A Desired Qualifications and Experience: 10 years of...

Description SAIC is seeking a full-stack Principal Software Engineer to join the Joint Range Extension (JRE) software development team. This is a Remote Role in San Diego, CA. It is REQUIRED to be local to the area . You must be a U.S. Citizen to be considered who can obtain a Secret clearance after you start. JRE is a combat-proven datalink gateway that plays a vital role in the defense of the United States and our allies by extending the reach of tactical data across the battlespace and around the globe. As a senior principal software engineer on the team, you'll play an essential role in evolving JRE for the future mission needs of the warfighter. JOB DUTIES: Design, develop, and maintain major new features, enhancements, and integrations for the JRE suite of edge- and cloud-deployed client and server applications. Develop and contribute deep domain expertise in the tactical data link, situational awareness, and command and control domains. Refactor existing...

Description SAIC is seeking a Principal Aerospace Engineer to support the US Navy in Crane, IN. JOB DESCRIPTION: NOTE: This is a hybrid position requiring the candidate to be onsite approximately 1-4 days per week. The Joint Hypersonics Transition Office (JHTO), sponsored by the Office of the Assistant Secretary of War for Science and Technology (OASW(S&T) and executed by the Joint Hypersonics Transition Office Systems Engineering Field Activity (JHTO SEFA) at Naval Surface Warfare Center (NSWC) Crane, is responsible for accelerating hypersonics technology development, developing the nation's future hypersonics workforce, and facilitating the transition of ready technologies into operational capabilities. SAIC is the premier Systems Engineering and Technical Assistance (SETA) service provider to the Program and is seeking a senior project officer to augment this team of qualified, diverse, and highly motivated individuals. In this role, the candidate will work...

Description SAIC is seeking a talented and motivated Principal Software Engineer to support advanced Very Low Frequency (VLF) communication systems for the U.S. Navy and Air Force. Join our innovative team in San Diego, CA , and contribute to mission-critical efforts in cutting-edge defense communication technology development, integration, and testing. This will be an ON-SITE role in San Diego, CA. Must be local to area. Your Role As a Principal Software Engineer , you will be a key technical contributor supporting the full software development lifecycle (SDLC) for strategic RF and VLF communication systems. You will collaborate with cross-functional engineering teams to design, develop, test, and integrate software solutions that directly support national defense communication missions. Key Responsibilities Design, develop, and maintain software for RF and VLF communication systems supporting U.S. Navy and Air Force operations Write clean, efficient,...

Description SAIC is seeking a Software Architect to join our team in El Segundo, CA or Colorado Springs, CO. The Software Architect will work closely with the Principal Engineer to define the platform's overall design, reference architecture, and supporting demonstrators. This role demands broad technical depth and is well suited to someone experienced across the full stack of large-scale, deployed systems who can make principled, high-quality design decisions across diverse technologies. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Space Force's Space Systems Center (SSC). We support the Space Force's acquisition of state-of-the-art satellite communications systems, providing global secure, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using...

Description SAIC is seeking a Software Architect to join our team in El Segundo, CA or Colorado Springs, CO. The Software Architect will work closely with the Principal Engineer to define the platform's overall design, reference architecture, and supporting demonstrators. This role demands broad technical depth and is well suited to someone experienced across the full stack of large-scale, deployed systems who can make principled, high-quality design decisions across diverse technologies. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Space Force's Space Systems Center (SSC). We support the Space Force's acquisition of state-of-the-art satellite communications systems, providing global secure, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using...

Description SAIC seeks a highly experienced Principal Test Engineer to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of ground-based radars critical to US and Allied strategic missile surveillance, warning, defense, and space surveillance missions in Colorado Springs, Colorado. In support of the government customer, the SAIC Program Manager, and the Chief Engineer, the Principal Test Engineer is responsible for development and execution of system test solutions in accordance with engineering documentation to ensure test plans and methodologies meet system needs, are accurate, comprehensive, consistent, and complete. Job Duties: Participate, prepare, and execute comprehensive subsystem and enterprise-level test plans and procedures, and support system/element level test planning and test readiness reviews. Document test requirements and methodologies in the requirements management system. Support the...