[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All BAE Systems jobs](https://jobs.opennash.com/companies/bae-systems/) · [Search jobs](/search/) BAE Systems · Nashua, NH # Principal Reliability Engineer Nashua, New Hampshire, United States Full-time Senior individual contributor Operations Listed on BAE Systems’s official careers site. Posted October 1, 2026. Check that it is still open and apply there. [Apply on BAE Systems’s careers site →](https://jobs.baesystems.com/global/en/job/BAE1US129605BREXTERNAL/Principal-Reliability-Engineer) [OpenNash Jobs](https://jobs.opennash.com/) / [BAE Systems](https://jobs.opennash.com/companies/bae-systems/) / Principal Reliability Engineer ## Job description ### Job Description See what you’re missing. Our employees work on the world’s most advanced electronics – from detecting threats for F-35 pilots to illuminating the night for soldiers. Spanning air, land, sea, and space, we are developing the technology of tomorrow, delivered today. Drawing strength from our differences, we’re innovating for the future. And you can, too. Our flexible work environment provides you with a chance to change the world without giving up your personal life. We put our customers first – exemplified by our mission: “We Protect Those Who Protect Us®.” Sound like a team you want to be a part of? Come build your career with BAE Systems. ### Position Summary BAE Systems has a stimulating opportunity for a Reliability Engineer to join our team. You will work on teams developing and producing a variety of electronic equipment including Countermeasure & Electromagnetic Attack Solutions, providing unparalleled electronic warfare capabilities to enhance mission survivability. BAE Systems’ Reliability Engineers are involved with every stage of the equipment lifecycle from concept through development, Integration & Test, production and field support. You will have significant interaction across the company including program office, all engineering disciplines and production functions and this will provide for a fast-paced, educational, and fulfilling experience. Your efforts will have a positive impact on front line warfighter’s effectiveness and daily quality of life. You will have opportunities to apply your engineering skills and education to investigate digital and analog electronics, power supplies, and systems of electronic modules, to ensure Reliability, Availability, and Maintainability requirements are achieved. Your self-starting enthusiasm for technology, and ability to investigate and solve problems will propel you to become an integral part of our innovative teams and influence product development. BAE Systems offers competitive pay, benefits, and important work-life balance initiatives including every other Friday Off, Flextime, and Telecommuting. BAE also believes in a culture of recognition for the extraordinary contributions of our skilled employees. Our engineers are the lifeblood of our company and we’re more than 5,000 strong. With our robust offering of educational and career development opportunities, your chances to grow are limitless. As a Reliability Engineer you will make impacts in the following ways; Work with a cross-functional team to ensure Reliability and Maintainability requirements are achieved. Perform failure trend analysis, failure investigation and root cause analysis. Coordinate failure analysis with vendors or failure analysis labs Perform internal and external supplier interface to resolve reliability issues. Perform Design-for Reliability and Maintainability including reliability and maintainability modeling and analysis and assessments requiring the full use and wide application of engineering theories, concepts and precedents. Prepare and review failure reports and FRACAS metrics for publication. Present findings and conclusions with recommended corrective actions to both internal management as well as our customers. Conduct research to provide solutions to a wide range of technical problems and proposals. Represent the Company at customer meetings as applicable. Make technical choices to improve the reliability & maintainability attributes of the equipment. - Lead the Reliability, Availability & Maintainability (RAM) scope activities Perform RAM trade studies for the system design process Define/allocate RAM requirements and assess RAM performance (MTBF, MTBCF, Ao) Perform Reliability & Maintainability Predictions and MTBF Modeling Perform Failure Modes Effects Criticality Analysis (FMECA) Perform Testability Analysis, Maintainability Analysis - Drive the Failure reporting, Analysis & Corrective Action System (FRACAS) process - Perform failure trend analysis, failure investigation and root cause analysis Chair/Track the Failure Review Board activities Present R&M design and analysis of customer requirements at design milestone reviews May involve supporting the design team to establish BIT functions, test interface requirements and diagnostic features Required Education, Experience, & Skills - Bachelor’s degree in engineering, preferred Electrical, Computer, or Software, and 4 or more years of relevant engineering experience or equivalent. Experience / awareness using ReliaSoft, Relyence and/or PTC Windchill RR software tools - Ability to obtain a US government Secret Clearance Preferred Education, Experience, & Skills - Bachelor’s or Master’s of Science degree in electrical engineering or computer science/engineering Proven Circuit Analysis experience Reliability Growth software tools experience Experience with requirement development Experience with System Integration Experience with MBSE (Magic Draw, SysML) - Familiarity with industry standard practices such as Six Sigma, Lean Manufacturing, etc. Ability to work in a fast-paced dynamic environment Active Secret Clearance #ECSSE Pay Information Full-Time Salary Range: $118095 - $200762 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. ### Employee Benefits At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems, Inc. BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support. Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified. ## At a glance - Posted by the employer: Oct 1, 2026 - First seen by OpenNash: Oct 13, 2026 - Last checked: Oct 20, 2026 - Listed for: 19 days - Location: Nashua, New Hampshire, United States - Employment type: Full-time[Apply on BAE Systems’s careers site →](https://jobs.baesystems.com/global/en/job/BAE1US129605BREXTERNAL/Principal-Reliability-Engineer) ## More jobs at BAE Systems ### [ACES Operations Program Manager III](https://jobs.opennash.com/companies/bae-systems/jobs/242b51074c88530331b0/) Nashua, New Hampshire, United States ### [AEWS Program Engineering Manager I](https://jobs.opennash.com/companies/bae-systems/jobs/ee7dc6c7d03ec343a414/) Nashua, New Hampshire, United States ### [DMS Hardware Engineering Lead](https://jobs.opennash.com/companies/bae-systems/jobs/b5c3a8b4362f1cc6faeb/) Nashua, New Hampshire, United States ### [Deputy SEIT Lead (System Engineering, Integration, and Test Lead)](https://jobs.opennash.com/companies/bae-systems/jobs/d5df53135b2e18610d4d/) Nashua, New Hampshire, United States ### [Digital Hardware Engineer](https://jobs.opennash.com/companies/bae-systems/jobs/dec59d388e8098630fbf/) Nashua, New Hampshire, United States ## Similar jobs at other companies ### [Principal, Customer Solution Engineer (Fundamentals, Performance & Reliability)](https://jobs.opennash.com/companies/microsoft/jobs/9e291a5b4e2d1fc7ec76/) Microsoft · United States, Washington, Redmond ### [Principal Engineer - Design for Six Sigma (DFSS) & Reliability](https://jobs.opennash.com/companies/eaton/jobs/862ff09b49eeedf200d7/) Eaton · Moon Township, Pennsylvania, USA, Raleigh, North Carolina, Waukesha, Wisconsin, Milwaukee, WI ### [Principal Site Reliability Engineering Manager - CTJ -Secret](https://jobs.opennash.com/companies/microsoft/jobs/42cdeb228c5072ac8e38/) Microsoft · United States, Multiple Locations ### [Principal/Sr Principal Engineer Reliability](https://jobs.opennash.com/companies/northrop-grumman/jobs/28c386cb1bf509ed2790/) Northrop Grumman · United States-Utah-Corinne ### [Principal / Senior Principal Reliability Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/d3e857065cd6b371858e/) Northrop Grumman · United States-California-Woodland Hills [Jobs in Nashua, NH](/locations/us/nh/nashua/)[Jobs in New Hampshire](/locations/us-nh/)[Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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