Senior Construction Project Manager

Who We Are:

Amentum Nuclear Projects a is a Tier 1 service provider to the U.S. Department of Energy and Atomic Energy of Canada Limited; we deliver safe and innovative solutions at complex nuclear cleanup and production sites. Our services include program management, decommissioning, environmental remediation, waste and nuclear material management, nuclear operations, consulting, and engineering and construction. We are currently executing many contracts, performing work that is essential to our clients' missions across a broad range of functional areas.

At Amentum, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery, and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. With $13 billion in revenue and a talent force of more than 55,000, Amentum provides a full spectrum of professional services including consulting, technical, scientific, and project delivery for the government and private sector. The Amentum business model allows us to successfully service our clients, leverage our integrated services, and provide our employees with growth opportunities while delivering global solutions to our client’s local programs. We consistently receive high rankings from Engineering News-Record (ENR) in many classifications, including the categories of Top Design Firms, Top Contractors, Top Green Buildings Design Firms, and Top Transportation Companies.

What We Need:

We are seeking a Senior Construction Project Manager for our Spent Fuel Handling Project (SFHP) near the Naval Reactors Facility at Idaho National Lab, which is approximately 55 miles from Idaho Falls. As a Senior Construction Project Manager, you must demonstrate expertise in project budgeting, cost control, forecasting, CPM scheduling, contract administration, subcontractor management, change management, risk mitigation, and construction project execution. Strong leadership, communication, and stakeholder management skills are required. As an experienced Construction Project Manager, the expectation is to lead the execution of large-scale Engineering, Procurement, Construction, and Management (EPCM) projects within the SFHP. This role is responsible for overseeing project delivery from planning through commissioning, managing subcontractors, controlling project budgets and schedules, mitigating risks, and ensuring safe, high-quality execution. The ideal candidate is a strong leader with experience managing complex capital projects and coordinating multidisciplinary teams. This position will report directly to the Project Execution Authority and will also have management level employees on the project as direct reports. This position is client facing with an emphasis on ensuring Schedule, Cost, Scope and Safety and will coordinate and cooperate with client and subcontractor staff and/or its consultants, in carrying out their day-to-day duties.

Responsibilities include:

• Responsible for overall project delivery (cost, schedule, quality, information, contracts) on multiple project assignments
• Lead the successful execution of large EPCM projects from initiation through closeout.
• Manage project scope, budget, schedule, quality, and overall performance.
• Direct and oversee multiple subcontractors, vendors, and field construction teams.
• Coordinate activities among engineering, procurement, construction, and operations stakeholders.
• Monitor project progress and implement corrective actions to maintain schedule and budget goals.
• Lead contract administration, change management, and subcontractor performance evaluations.
• Develop and maintain project forecasts, risk assessments, and executive status reports.
• Ensure compliance with safety, quality, environmental, and regulatory requirements.
• Build and maintain strong relationships with clients, contractors, and project stakeholders.
• Mentor project team members and promote a culture of accountability and continuous improvement.
• Manages the review and approval process for contractors pay applications and change orders and coordinates with Control Manager for proper posting in reporting program
• Attends assigned meetings to cover weekly job progress meetings; issues meeting minutes during design
• Resolves complex construction related issues, disputes, and disagreements.

What Skills/Qualifications You Need:

• BS in Construction Management, Engineering, Business, or related field or equivalent is required.
• 20 years of construction project management experience, including EPCM or large projects.
• Proven experience managing subcontractors and complex project contracts.
• Strong knowledge of project scheduling, budgeting, forecasting, and cost control.
• Experience with Primavera P6, Microsoft Project, and Microsoft Office Suite preferred.
• Critical Path Method (CPM) scheduling and schedule management.
• Contract administration and subcontractor oversight.
• Change management and scope control.
• Risk assessment and mitigation planning.
• Excellent leadership, communication, negotiation, and problem-solving skills.
• Knowledge of construction safety, quality, and regulatory requirements.
• USA citizenship is required for security clearance. (No dual citizenship)
• Sole USA citizenship is required.

Preferred Qualifications

• Person already residing a commutable distance from the SFHP project office near Scoville, ID
• Proficiency with Primavera P6 and Microsoft Project.
• Experience with Power BI, Procore, Bluebeam, Autodesk Construction Cloud (ACC), SAP, or Oracle ERP systems.
• Earned Value Management (EVM) and project performance analytics.
• Procurement and vendor management experience.
• Claims management and dispute resolution experience.
• Commissioning and startup coordination.
• PMP, CCM, PE, or other project management/construction certifications.
• Experience managing projects exceeding $50M in value.
• Advanced reporting, dashboard development, and executive-level presentations.

Essential Functions:

Intermittent sitting, walking, standing, bending, squatting, climbing, kneeling, twisting, and lifting. Lifting requirements are limited to 20 lbs. in the form of supplies, drawings, etc. The longest distance carried 50 feet. Hand manipulation is required for simple grasping, pushing and pulling, and fine manipulation. Right and/or left hands utilized. Occasional need to reach and/or work above the shoulder, for supplies, as well as below the shoulder for same. Occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity. At Amentum, we help prepare people for new opportunities and challenges. With positions at every level, openings in multiple disciplines, expertise in a range of markets, and offices around the globe, we create an environment where you can learn, grow, and thrive. From our competitive benefits program to our Health and Safety initiative of STCKY workplace injuries, we believe that you'll find a flourishing career here at Amentum.

Compensation Details:

$175,000 - $240,000

Amentum is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Learn more about your rights under Federal EEO laws and supplemental language.

Compensation Details:

$175,000 - $240,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

10/22/2026 - 10/27/2026

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.