Civil Engineer 3

Amentum; Englewood (CO); On-site; USD 95,000 - 135,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum in Colorado is seeking an experienced Civil Engineer to join our design and project execution teams in Englewood.

You will perform design, analysis and coordination across disciplines, prepare specs and documentation, conduct site visits, and support proposals. Requires FE, a BS in Civil Engineering, 5+ years, and AutoCAD Civil 3D proficiency. Travel may be required; security clearance may be needed.

Qualifications

• Bachelor's degree in Civil Engineering; FE exam passed.
• 5+ years of related experience.
• Proficiency with AutoCAD Civil 3D and hydraulics software.
• Ability to travel and obtain/maintain security clearance.

Responsibilities

• Design development, analysis or review tasks under minimal supervision.
• Lead on less complex tasks and contribute to design sections.
• Generate complete design specifications for complex projects.
• Coordinate with engineering, logistics, finance and PM disciplines.
• Maintain filing systems and project status databases.
• Develop and produce technical documentation and specs.
• Interface with customers from quotation to test activities.
• Conduct site visits and analyze problems, propose solutions.
• Verify adherence to documentation standards and test procedures.
• Support technical proposals and comment on scope.

Skills

Communications

Analytical skills

Teamwork

Education

Bachelor's degree in Civil Engineering

Master of Science in Civil Engineering

Tools

AutoCAD Civil 3D

Excel

Word

Hydraulics software

Job description

Purpose and Scope:

Perform a variety of engineering assignments in planning and overseeing research, development, design, manufacture, test, installation, operation, and maintenance of diverse electronic/mechanical equipment and systems and generally as a member of a design, analysis or review team on more complex assignments or as a lead on less complex assignments.

Essential Responsibilities:

1. Perform a range of design development, analysis or review tasks under minimal supervision.

2. Act as a lead on less complex tasks and responsible for a portion of a design or section of an analysis or design review.

3. Generate complete design specifications of more complex projects.

4. Coordinate and work closely with other engineering, logistics, financial, and program management disciplines to define system specifications and requirements.

5. Establish and maintain a filing system or databases as needed for tracking project status.

6. Develop, maintain and produce technical documentation and system/subsystem specifications.

7. Direct interface and liaison with customers at all levels from quotation to final design and test activities, design reviews and technical working group meetings to comply with requirements and specifications.

8. Conduct site visits, experimental investigations and analyze engineering problems, propose solutions and alternatives, and provide recommendations.

9. Verify and comply with engineering documentation standards and test procedures.

10. Support development of technical proposal and provide comments on the technical content and level of effort of the proposed scope of work.

Minimum Requirements:

- US Citizen

- Bachelors degree in Civil Engineering (or equivalent education).

- At least 5 years of job-related experience or equivalent

- Passed Fundament of Engingineering (FE) Exam

- Works independently and collaboratively with guidance and direction from others.

- Good communications and analytical skills

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

- Position may require travel.

- Position may require the ability to pass and maintain a Security Clearance.

- In-depth knowledge using AutoCAD with Civil 3D.

- In-depth knowledge of regulatory codes and standards.

- Working knowledge with commercially available hydraulic and hydrology software.

- In-depth knowledge designing site drainage and storm water control systems.

- Working knowledge of the design of underground utilities.

- Working knowledge and expertise in Excel, and Word.

- Ability to prepare various civil engineering calculations and drawings.

Preferred Qualifications:

- Professional Engineering Registration.

- Master of Science degree in civil engineering.

- Government or nuclear experience, i.e., DOD, DOE, NR.

Compensation Details:

$95,000 - $135,000

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:

08/28/2026 - 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.