Power Engineering Senior Engineer

Apply for the Power Engineering Senior Engineer role at Nevada National Security Sites
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Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA). Our mission is to help ensure the security of the United States and its allies by providing high‑hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site’s Cold War legacy.

Our vision is to be the user site of choice for large‑scale, high‑hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. NNSS is home to more than 2,750 professional, craft, and support employees who innovate, collaborate, and deliver on challenging nuclear security challenges.

• Highly competitive salaries and benefits packages including medical, dental, and vision, a pension, 401k, paid time off and 96 hours of paid holidays.
• Relocation assistance (if located more than 75 miles from work location), tuition assistance and reimbursement, and more.

The Senior Power Engineer will support high and medium voltage (up to 138 kV) power transmission, distribution, and substation construction, maintenance, and operational activities for the NNSS.

• Provide engineering support for field operations including walkdowns, work package development, construction support, troubleshooting, event/outage analysis, and outage mitigation.
• Serve as the key power stakeholder for initial project scoping and turnover to analyze configuration impacts and execute change control across all projects.
• Participate in integrated project activities from inception to execution for large complex projects that produce new or modified power system assets for operations and maintenance.
• Lead technical development, design, and analysis for small and medium power projects using prescribed codes, standards, software, and best practices.
• Update and maintain system models, studies, and configuration records.
• Maintain system relay settings, templates, policies, and procedures.
• Develop maintenance programs, electrical testing procedures, and associated policies.
• Implement and maintain Site Power’s reliability tracker and associated data collection and reporting.
• Monitor or analyze work of technicians and support staff on projects, maintenance, or troubleshooting.
• Develop construction standards and equipment specifications for Site Power.
• Prepare work statements for complex subcontracts and procurements, evaluate bids, and recommend awards.
• Maintain engineering tools and software, metadata, and data flows.
• Contribute to procedural and policy development including protection manuals, testing and maintenance processes, design standards, and reliability metrics.
• Facilitate coordination of disciplinary information within the company and with external vendors.
• Coordinate with external engineering support as needed for complex engineering needs.
• Define and deliver training programs for less experienced engineering staff.
• Mentor junior engineers and provide practical advice on solutions.
• Direct the work of engineers in the absence of the designated manager.
• Represent company positions within other departments, headquarters, or regulatory bodies (NERC, WECC, etc.).
• Perform other duties assigned by Management.

• Bachelor’s degree in an accredited engineering program (ABET) in Civil, Mechanical, Electrical engineering, or a calculus‑based STEM bachelor’s degree in engineering, or for Architects, certification from NCARB; or a Professional Engineer license.
• At least 5 years of relevant experience demonstrating technical specialization or cross‑disciplinary knowledge; graduate research experience may be recognized.
• Ability to interpret and apply codes and standards including NEC, NESC, NFPA 70B, NETA, IEEE.
• Strong competency in developing and interpreting one‑line diagrams, electrical schematics, instrumentation & control diagrams, and construction drawings.
• Experience with large and complex power system…