Amentum delivers world-class solutions through the expertise, dedication, and collaboration of our people. We partner with our customers to solve complex challenges and are committed to fostering a workplace where employees can grow, succeed, and make a difference. We are currently seeking a Project Controls Administrative Assistant to support our Spent Fuel Handling Project.

This project is located at the Naval Reactors Facility on the Idaho National Lab property. The Administrative Assistant role supports the Project Controls Manager and the broader Project Controls team by providing high‑level administrative, organizational, and coordination support.

Key Responsibilities

• Provide daily administrative support to the Project Controls Manager, including calendar management, meeting scheduling, and correspondence handling

• Apply strong time‑management skills to prioritize tasks, manage deadlines, and ensure timely completion of administrative and project-related activities

• Assist with preparing, formatting, proofreading, and distributing project documentation, reports, and presentations

• Maintain and organize project files, logs, and records to ensure accuracy, accessibility, and compliance with company standards

• Coordinate project meetings, including preparing agendas, recording minutes, tracking action items, and following up on assigned tasks

• Facilitate communication between project teams, procurement, and other internal departments

• Support the Cost Management group by collecting and verifying cost data, assisting with cost reports, and organizing documentation

• Assist with procurement and contract administration tasks such as purchase requisitions, tracking purchase orders, and maintaining vendor documentation

• Manage office supplies, resources, and general administrative logistics for the department

• Support onboarding new project personnel by coordinating training sessions and maintaining access documentation

• Perform other administrative duties as assigned to support effective project planning and execution

Required Qualifications

• Experience in administrative support, preferably within project controls, engineering, construction, procurement, or related project‑based environments

• Must be able to show proof of US citizenship (to comply with government customer requirements and/or applicable government regulations)

• Strong organizational skills with the ability to manage multiple tasks and priorities.

• Excellent written and verbal communication skills

• Proficiency with Microsoft Office tools

• High attention to detail, accuracy, and confidentiality

• Ability to work independently and collaboratively with diverse teams

Preferred Qualifications

• Experience with project controls processes such as scheduling, cost tracking, and reporting

• Familiarity with procurement or contract administration workflows

• Strong analytical and problem‑solving abilities

Physical Requirements: 

• Must be able to sit, walk, stand, bend, squat, climb, kneel, twist, and lift. Lifting requirements limited to 25 lbs. in the form of supplies, drawings, etc. Longest distance carried of 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. Must be alert to hazards in the field.

Compensation Details:

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:

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.