Senior Principal Project Manager

Job Description

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. Our 2,750+ professional, craft, and support employees innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.

• Highly competitive salaries and benefits packages including medical, dental, and vision; pension and 401(k); paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more.
• MSTS is a limited liability company consisting of Honeywell International Inc., Jacobs Engineering Group Inc., and HII Nuclear Inc.

The Senior Principal Project Manager reports to the Project Execution Division Manager within the Project Planning and Delivery Directorate. This position manages large infrastructure projects ($20‑50M) through the project lifecycle, communicates technically, and translates project requirements into execution documents. Two Senior Principal Project Managers will be hired.

• Manage construction and modification of facilities across the NNSS, primarily the Device Assembly Facility (DAF) and/or the Principal Underground Laboratory for Subcritical Experimentation (PULSE) Operations, and related support infrastructure systems (civil site prep, water, sewer, communication, and electrical power).
• Oversee large projects ($20‑50M Total Project Cost) involving complex and technically challenging scopes of work, responsible for all aspects of the project over the entire lifecycle (initiation, planning, executing, monitoring & controlling, and closing).
• Manage projects in accordance with established company procedures and project management best practices, including planning, phase‑gate reviews, estimating, schedule development, work authorization, monitoring project performance, controlling the project baseline, EVMS reporting, and change control.
• Lead the Integrated Project Team (IPT) to plan and complete projects on time and on budget.
• Establish and actively monitor customer satisfaction.
• Proactively develop and implement strategies to mitigate risk.
• Use and document cost‑benefit analysis in decision‑making.
• Effectively use communication skills in executing project management responsibilities.

• Bachelor's degree in a related field or equivalent training and experience with at least 12 years of related professional experience, including at least 8 years as a designated Project Manager. Master’s degree preferred.
• Project Management Professional (PMP) or equivalent national certification preferred.
• Experience managing large ($20‑50M TPC) projects and project teams (20‑100 people) through representative lifecycle phases.
• Defining, planning, executing, monitoring, controlling, and successfully completing discrete elements of scope in compliance with defined schedule, costs, risk, and quality constraints.
• Maintaining satisfaction of stakeholders with differing needs and expectations.
• Managing communications between project stakeholders and team members.
• Identifying and complying with project requirements in development of products and deliverables.
• Managing the project team to achieve scope, schedule, and cost objectives.
• Previous experience managing DOE/NNSA Line Item Construction projects under DOE Order 413.3B strongly preferred.
• Excellent oral and written communication skills and the ability to interface with all levels of the organization and lead technical discussions.
• Strong analytical skills, able to synthesize data and make informed recommendations.
• Critical thinking and…