Construction Estimator

Amentum Nuclear Projects is seeking an on‑Site estimator to support multiple EPCM construction projects. Assist with client pricing for changes to program. Assist with check estimates/ review subcontractor requested changes for all disciplines including Electrical and Mechanical. Part of multi project team running $M+ projects for a single client. In this role you will:

Coordinate with home office estimators for larger estimating efforts.

• Develop construction cost estimates, primarily on changed conditions.
• Lead and Estimate tasks for labor and material costs of construction projects, new and for changed conditions, interpret plans & specifications from multiple design phases (conceptual through 100% Construction Documents), and generate quantity takeoffs and pricing for all divisions of work including Electrical and Mechanical.
• Expected to assist in the preparation of larger and more complex assignments.
• Use knowledge of general application of construction and estimating principles, theories, concepts, and industry practices and standards to perform moderately complex assignments under general supervision to produce accurate and quality cost estimates:
• Analyze specifications, sketches, blueprints, bills of material, and subcontractor quotations.
• Coordinate with design personnel to fully comprehend the nature of changed conditions.
• Coordinate with construction management personnel to fully comprehend the nature of changed conditions.
• Assist with contractor negotiations if needed.
• Prepare and maintain historical cost data

• Microsoft Excel expertise
• 4 or more years of experience, education can substitute for some experience
• Bachelors degree in math, business, accounting, Engineering, Construction Management, or other related field highly preferred
• Ability to plan, organize, document, perform, review and present multiple sub‑projects with minimum supervision
• Communication skills including the ability to interact with all levels of the project team.
• Knowledge of specifications, sketches, blueprints, bills of material, and subcontractor quotations
• Person already residing a commutable distance from the Oak Ridge, TN area is preferred
• Experience large scale heavy industrial projects highly preferred.
• Experience with Sage Estimating (aka Timberline Estimating Software or equivalent) is a plus

Intermittent sitting, walking, standing, bending, squatting, climbing, kneeling, twisting, and lifting. Lifting requirements limited to 20 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.

No foot controls necessary. Must be alert to equipment in the field, there will be occasional travel, will work near construction job site equipment when in the field, occasional need to work near hazardous equipment and machinery, occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity, and potential work at heights.

U.S. Citizenship required. Valid driver's license is required. Must be able to work in a team atmosphere. Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation. Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Must take and pass a pre‑employment drug, background check and site security badge screening.

Yes, 10 % of the Time

Oct 7, 2025, 12:34:29 AM

Project Controls

CMS

Experienced

20355-OKT

2010 Highway 58

Oak Ridge 37380

Capabilities Nuclear Management and Operations