Cost Estimator II

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitment s are underpinned by the belief that safety, collaboration and well-being are integral to success.

Amentum is currently seeking for a Cost Estimator II to support a government contract based in Kings Bay, Georgia.

The Estimator II is responsible for developing accurate, timely, and well-documented cost estimates for maintenance, repair, alteration, renovation, and minor construction projects. The position serves as a key link between operations, project management, subcontractors, customers, and company leadership by evaluating project scope, performing quantity takeoffs, developing independent government-style estimates, and supporting project execution strategies.

• Prepare detailed cost estimates, ROMs, budgetary estimates, and proposal pricing packages.
• Perform quantity takeoffs for civil, structural, architectural, mechanical, plumbing, electrical, fire protection, communications, and site-work disciplines.
• Utilize RSMeans, historical cost databases, subcontractor pricing, vendor quotations, and market research to develop estimates.
• Conduct field investigations and site visits to validate project scope and constructability.
• Coordinate with project managers, engineering personnel, operations leaders, and customers to define project requirements.
• Develop scopes of work and solicit pricing from subcontractors and suppliers.
• Analyze labor, equipment, productivity, material, and subcontract costs to ensure realistic pricing.
• Support construction management initiatives by identifying project risks, schedule impacts, phasing requirements, and execution strategies during project development.
• Assist in capital planning, facilities sustainment, and infrastructure improvement programs.
• Maintain estimating databases, unit-cost libraries, and cost trends to improve estimating accuracy.
• Prepare estimate narratives, assumptions, exclusions, and supporting documentation for management review.
• Support proposal development, contract modifications, change orders, and negotiated pricing actions.
• Monitor awarded projects and compare actual costs against estimates to improve future performance.

In addition to estimating responsibilities, this position may support construction management program development and project controls initiatives, including:

• Participating in project planning and project execution strategy development.

• Assisting with project controls, budgeting, forecasting, and cost tracking.

• Developing project documentation, schedules, status reports, and performance metrics.

• Supporting contractor oversight, quality assurance, and construction coordination activities.

• Contributing to continuous improvement efforts, standard estimating practices, and program maturity initiatives.

• Bachelor’s degree in Construction Management, Engineering, Architecture, Business, or related field; two (2) years of experience in related field may be substituted for each year of the four (4) years of college.

• Two (2) to five (5) plus years of construction estimating, project controls, construction management, facilities management, or related experience.

• Demonstrated experience preparing detailed construction estimates and quantity takeoffs.

• Proficiency with RSMeans or similar estimating software.

• Strong Microsoft Excel, Word, Outlook, and…