Demo

GN&C Software Systems Engineer (Junior)

Key Logic
Fairmont, WV Full Time
POSTED ON 7/22/2026
AVAILABLE BEFORE 8/21/2026
KeyLogic is seeking a Guidance, Navigation & Control (GN&C) Systems Software Engineer to support a dynamic program based at NASA's Katherine Johnson Independent Verification and Validation (IV&V) Facility in Fairmont, WV.

This position will require the ability to obtain a public trust clearance and all work is to be performed onsite at the NASA IV&V Facility.

Perform various Systems / Software Engineering activities in GN&C and other fields on NASA Spacecraft, Launch Vehicle, and/or Mission Ground systems throughout the NASA software development lifecycle phases. Analyses are performed of concept of operations, requirements, detailed software design, interfaces, static code results, software implementation as it relates to requirements and design, and software build and integration test products. In addition, independent testing is performed using in-house developed software simulations.

The successful candidate will have education and/or work background in various aspects of GN&C, and will be able to apply that background to the IV&V of NASA flight and ground software. Tasking may also include various technical Safety and Mission Assurance (S&MA) activities in addition to IV&V. With a focus on GN&C, but also in support of other engineering disciplines, the successful candidate will:
  • Be responsible for utilizing documentation and experience to develop technical understanding, perform detailed assessments, and document issues, risks, and reports in accordance with standards and best practices. Documentation of technical understanding may include notes, reference summaries, charts, flow diagrams, scenarios, formal modeling, coverage / traceability assessments, risk assessments, technical engineering principles, theories, concepts, and heritage applicable to the mission.
  • Be responsible for understanding work processes and methodologies, best practices, NASA standards, system and software specifications.
  • Assess development artifacts for correctness, completeness, consistency, ambiguity, and feasibility with regards to technical references when evaluating requirements, design, algorithms, code, and test artifacts provided across the software development life cycle.
  • Analyze draft and final products delivered for peer reviews, development build releases, and formal testing.
  • Support development and execution of independent test scenarios and procedures to verify and validate correct implementation of mission critical capabilities.
  • Utilize in-house developed Artificial Intelligence (AI) assisted analysis tools to perform various analyses and assess results for true positive findings.
  • Work independently as well as closely with other members of the team to build team cohesion, brainstorm, share knowledge, develop/update approaches, perform peer reviews, and provide recommendations to promote growth and confidence in performing IV&V analyses.
Position Requirements:

Clearance:

    Required Education:
    • Bachelors and 0 years related experience.

    Desired Education:
    • Bachelor of Science in Aerospace Engineering, Electrical Engineering, Mechanical Engineering, or other relevant field.

    Required Experience:
    • Through education and/or work experience, have an understanding of one or more of the fields of guidance, navigation, and control, with a high-level understanding of the overall GN&C domain.
    • Ability to develop analysis approaches and test cases to exercise system software behaviors in the field of GN&C.
    • Ability to read and analyze C/C , Java or similar object-oriented languages.
    • Ability to obtain a Public Trust clearance.
    • Excellence in these general workplace skills:
      • Communication Skills - verbal, written, and presentation skills.
      • Computer Skills - Microsoft Office Suite (Word, Excel, PowerPoint).
      • Soft Skills - professionalism, strong work ethic, creativity, curiosity, problem solving, and critical thinking.
      • Ability to work on own tasks and manage own progress, while also able to work in team environments and under the direction/supervision of task leads.
    • Experience in one or more of the following areas would be a plus:
      • Experience with one or more of the following software fields:
        • Static code analysis (manual and/or tool-supported).
        • Software system testing, test analysis, and test case development.
        • Software unit testing.
        • Requirements analysis.
        • Modeling, including MATLAB/Simulink, Enterprise Architect, MagicDraw.
        • Spacecraft & system simulation.
        • Application of Formal Methods (e.g., SMT Solver).
        • Application of Generative Artificial Intelligence to accomplish repetitive tasks.
      • Experience with space domains and spacecraft subsystems, including:
        • Propulsion systems.
        • Command and data handling.
        • Fault management.
        • Sensor data processing.
        • State estimation.
        • Spacecraft concept of operations.
        • Space Flight and Ground systems and software architectures.
        • Space systems avionics.

    About KeyLogic:

    Supporting critical missions at the intersection of data and science, KeyLogic provides mission management, systems analysis, data analytics, digital transformation, and cybersecurity to customers in the energy, federal civilian, and defense sectors, with a 20 year portfolio of successes supporting DOE, DOC, EPA, DOD, DHS, FBI, and other federal agencies challenged with complex missions. We help our customers solve the world's most challenging problems with unsurpassed anticipatory service.

    KeyLogic employs over 400 team members, including systems designers, developers, data scientists, IT and cybersecurity specialists, engineers, mission experts, program managers, and more than 70 Ph.D. scientists. This multidisciplinary team works together solving challenging problems with anticipatory service-always staying one step ahead-benefiting our customers, and ultimately helping build a better world.

    We are committed to the success of each customer's mission. We care enough to make their mission our mission and their success our success. We take technical service delivery to a level above our peers. Our anticipatory service is best-in-class.

    KeyLogic is an Equal Opportunity/Equal Access Employer. KeyLogic is committed to a policy of non-discrimination against individuals on the basis of any legally protected status.

    If you need a reasonable accommodation for any part of the employment process, please contact us by email at and let us know the nature of your request and your contact information. Request for accommodation will be considered on a case-by-case basis.

    Job Code:

    2716

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