Cost Estimator II

Purpose and Scope:

The Cost Estimator II delivers accurate, discipline‑wide construction cost estimates that support the planning and execution of industrial facilities maintenance and infrastructure projects. The role performs comprehensive quantity take‑offs, analyzes labor, material, equipment, and productivity factors, and applies established estimating tools and standards to generate reliable ROM and task‑level cost data. Working closely with project stakeholders and customers, the position ensures estimates align with defined scope, schedule, and budget requirements while maintaining thorough documentation and contributing to timely project delivery.

Job Duties and Essential Responsibilities:

• Perform Construction Cost Estimating activities in support of industrial base operations and maintenance of facilities infrastructure.

• Ability to complete full quantity take-offs to support accurate estimates for all disciplines in industrial projects including, but not limited to civil and site work, structural, concrete, envelope, finishes, mechanical, and electrical.

• A complete understanding of the interrelationship of the cost of labor, material, equipment, and productivity in the unit costs used at each level of an estimate is expected.

• Provide solid critical-thinking, analytical and communication skills in support of Project objectives.

• Maintain close attention to detail and manage time and meet aggressive deadlines.

• Exhibit proficiency in utilization of RS Means Estimating software.

• Ensure assigned projects are completed on time, and within approved scope and budget.

• Establish and maintain a filing system or database as needed for tracking project status.

• Develop, maintain, and produce documentation in support ROM and Task Plan efforts.

• Interface with customers to comply with scope and schedule requirements.

• Perform all other position-related duties as assigned or requested.

Required Education/Certifications/Experience:

• Bachelor of Science degree in Engineering, Construction Management, or related field. Equivalent experience may be substituted for degree

• 5+ years of job-related experience.

• Experience in HVAC and Fire Protection construction preferred.

• Demonstrated experience in ability to navigate through all sections of cost estimating software.

Required Minimum Position Knowledge, Skills, and Abilities:

• Proficient working knowledge of RS Means or similar Construction Cost Estimating software. Good communications and analytical skills.

• Working knowledge of computer systems and integrated software application programs.

• Working knowledge in MS Office Suite.

• Demonstrated experience in meeting schedule deadlines.

Other Requirements:

• Must be a U.S. citizen and able to obtain and maintain required clearances/badges as required by program and position

• Must have the ability to communicate in English, both verbal and written in an effective manner.

• Must have and maintain a valid driver’s license.

Work Environment, Physical Demands, and Mental Demands:

This position involves work typical of an office environment with no unusual hazards; occasional lifting to 20 pounds; constant sitting with use of computer terminal; constant use of sight abilities while reviewing documents; constant use of speech/hearing abilities for communication; constant mental alertness; must possess planning/organizing skills and must be able to work under deadlines. Field work will consist primarily of site walk downs in support of design projects and system trouble shooting Site hazard training and Personal Protective Equipment are provided.

Company Conformance Statement

In the performance of their respective tasks and duties all employees are required to conform to the following:

• Perform quality work within deadlines with or without direct supervision.

• Interact professionally with other employees, customers, and suppliers.

• Work independently while understanding the necessity for communicating and coordinating work efforts with other employees and organizations.

Employees are required to:

• Comply with all applicable safety and health-related rules, regulations, and procedures.

• Work safely themselves and help their teammates work safely.

• Assist supervisors and managers in identifying and mitigating potentially hazardous conditions.

• Help the organization maintain a safe and healthy workplace.

Compensation Details:

USD

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:

04/16/2026 - Until Filled

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 ( .