> Markdown version of [/jobs/ext/1819030-sentinel-sr-principal-reliability-engineer-ram-18316](https://www.wearedevelopers.com/jobs/ext/1819030-sentinel-sr-principal-reliability-engineer-ram-18316). 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). --- # Sentinel - Sr. Principal Reliability Engineer (RAM) - 18316 - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Experience:** Expert - **Salary:** $111,700.0 - $167,500.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Decision Support Systems, Failure Mode Effects Analysis, Reliability Engineering, Software Reliability Testing, SAP (Applications), SAP Security, Reliability of Systems - **Published:** July 10, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9023261/sentinel-sr-principal-reliability-engineer-ram-18316 ## About the Role * Bachelor's degree in STEM with 8 Years of related engineering experience; 6 Years with Masters; 4 Years with PhD * Must be a U.S. Citizen with an active U.S. Government DoD Secret security clearance at time of application with an investigation completed within the last 6 years, current and within scope. * Must have the ability to obtain TOP SECRET clearance and Special Access Program (SAP) approval within a reasonable period, as determined by the company to meet its business needs. * 2 years of experience with root-cause analysis, FRACAS, and FMEA/FMECA (or equivalent reliability-engineering techniques). * 2 years of experience conducting reliability testing, statistical analysis (DOE, reliability growth), and to develop quantitative reliability models. * Active DoD Top Secret Clearance. * Currently active SAP security clearance. * Practical hands-on experience performing reliability, availability, maintainability (RAM), FRACAS, ESS, reliability testing, fault-tree analysis, and sparing analysis. * Experience with life-cycle cost analysis, reliability modeling, and risk-based decision support. * Proven ability to produce detailed risk assessments and Basis of Estimates for defense acquisition programs. ## Description * Provide expert reliability guidance and subject-matter expertise across the program. * Lead and participate in reliability engineering reviews, ensuring compliance with program and DoD requirements. * Conduct independent reliability analyses, including FMEA/FMECA, fault-tree analysis, reliability growth modeling, and statistical evaluations. * Develop and execute reliability test plans, design-of-experiments, and environmental testing strategies to obtain statistically valid data. * Perform root-cause analysis and FRACAS, driving corrective actions to meet reliability objectives. * Liaise with systems engineers and cross-functional teams to integrate reliability practices into system design and maintenance. * Develop and maintain reliability models, predictions, and life-cycle cost analyses to inform risk-reduction decisions. * Provide reliability-focused risk assessments, Basis of Estimates, and support decision-making for technology maturation. * Mentor and coordinate reliability activities across multiple disciplines, sharing best practices and knowledge. * Ensure compliance with applicable standards, metrics, and documentation for the reliability program and reporting. ## Related Videos - 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