> Markdown version of [/jobs/ext/4656430-systems-engineer-iii-senior-secret-clearance](https://www.wearedevelopers.com/jobs/ext/4656430-systems-engineer-iii-senior-secret-clearance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer III (Senior) - Secret clearance - **Company:** Lockheed Martin - **Location:** Hill Air Force Base, UT, United States - **Experience:** Expert - **Salary:** $85,300 - $158,300 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Verification and Validation (Software), Systems Modeling Language, Systems Integration, MagicDraw, DOORS (Software), SC Clearance, DODAF - **Published:** November 10, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9301389/systems-engineer-iii-senior-secret-clearance ## About the Role * Experience with nuclear weapons programs * Experience with Critical Nuclear Weapon Design Information (CNWDI) * Knowledge of safety or surety standards and their applications * Active Secret Clearance with ability to obtain Top Secret Clearance; US citizenship is required Desired Skills * Experience collaborating with the National Nuclear Security Administration (NNSA)/ Department of Energy (DOE) National Labs on USAF Nuclear Weapons Programs * Requirements assessment and/or management experience to include functional analysis, validation, allocation, and/or verification * Excellent written and verbal communications skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members * Experience with one or more of the following Systems Engineering tools: SysML/Cameo Magic Draw, DOORS, Architecture Framework such as DoDAF, Model Center * Ability to prioritize tasks and work efficiently in a high-demand, fast-paced environment * Demonstrated basic understanding of systems thinking skills and behaviors * Active Top Secret Clearance ## Description * Apply DoD requirements and industry standards (AFMAN's, AFI-series, MIL-STD's, IEEE, Range Safety and more) applicable to the design and evaluation * Follow technical guidance and interpretation of applicability of nuclear and system safety requirements to program-unique designs to team members, customer personnel, and safety approval authorities * Use the latest in MBSE tools and processes to generate synergistic models to establish linkages across verification artifacts and requirement * Present to customer management and safety control authorities the results of technical analyses and design solutions that demonstrate compliance aspects of the weapon system with applicable DoD customer requirements Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications.