Structural Engineer 3

Amentum company; Englewood (CO); Hybrid; USD 95,000 - 135,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) plan

Life insurance

Disability insurance

Paid time off

Parental leave

Job summary

Amentum is seeking a Structural Engineer 3 for its Englewood, CO office to perform design, analysis, and lead tasks on complex projects. Responsibilities include coordinating with multiple disciplines to define system specs, developing technical documentation, and interfacing with customers through design and testing phases.

The role requires a civil/architectural structural background, 5+ years of experience, and proficiency in STAAD.Pro, MathCad, Excel, and Word, with the ability to obtain a

Qualifications

• U.S. citizen.
• Bachelor’s degree in Civil or Architectural Engineering with structural emphasis.
• 5+ years of progressive experience in modeling, analysis, and design of heavy industrial steel structures and foundations.
• Ability to work independently or with guidance from others.
• Knowledge of industry codes: AISC 360, ASCE 7, IBC, ACI 318.
• Strong oral and written communication.
• In-depth knowledge of STAAD.Pro modeling, analysis, design, and post processing.
• In-depth knowledge of MathCad, Excel, and Word.
• Ability to obtain a security clearance.
• Experience in preparation and checking calculations and engineering drawings.

Responsibilities

• Perform design development, analysis or review tasks under minimal supervision.
• Lead on less complex tasks and manage portions of a design or analysis.
• Generate complete design specifications for complex projects.
• Coordinate with engineering, logistics, financial, and program management disciplines to define specs.
• Establish and maintain filing systems for tracking project status.
• Develop and maintain technical documentation and subsystem specs.
• Interface with customers from quotation to final design and test activities.
• Conduct site visits, investigations, and analyze problems; propose solutions.
• Verify compliance with engineering standards and test procedures.
• Support development of technical proposals and assess scope of work.

Education

Bachelor’s degree in Civil or Architectural Engineering with structural emphasis

Master of Science in Structural Engineering

Tools

ANSYS

Job description

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 Structural Engineer 3 to support our Englewood, CO office.

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 or Architectural Engineering with a structural emphasis (or equivalent education).
• - 5+ years of relevant and progressive professional experience in the modeling, analysis, and design of heavy industrial steel structures and foundations.
• - Works independently and collaboratively with guidance and direction from others.
• - Working knowledge of industry codes and standards, including AISC 360, ASCE 7, IBC, and ACI 318
• - Good oral and written communication skills.
• - In-Depth knowledge of STAAD.Pro modeling, analysis, design, and post processing
• - In-Depth knowledge and expertise in MathCad, Excel, and Word
• - Ability to obtain a security clearance.
• - In-Depth knowledge of the process of preparing and checking calculations, as well as, approval, revision, retention, and storage of project calculations.
• - In-Depth knowledge of drawing production and checking, as well as, approval, revision, retention, and storage of engineering drawings.

Preferred Qualifications

• - Professional Engineer Registration
• - Master of Science degree in structural engineering.
• - Government or nuclear experience, i.e., DOD, DOE, NR.
• - Working knowledge of AISC Seismic Design Provisions, i.e., AISC 341.
• - Working knowledge of nuclear facility design codes including ACI 349, AISC N690, ASCE 43, and DOE-STD-1020.
• - Experience in construction and procurment support reviewing vendor submittals and shop drawings, dispositioniing RFI's and NCR's.
• - Experience in the analysis and design of structural steel modules and design for transportation loading by either rail, barge, or truck.
• - Basic knowledge of seismic response spectrum analysis.- Basic knowledge of ANSYS analysis software.

Compensation & Benefits:

HIRING SALARY RANGE:$95K - $135K (Annually) (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant internal equity, and alignment with market data.)

Amentum offers the following benefits for this position, subject to applicable eligibilityrequirements: medical dental and vision insurance, 401(k) retirement plan, life insurance, long-term and short-term disability insurance, 15 days of paid time off, and parental leave.

Due to the nature of work, candidate must be a US Citizen. US Dual Citizenship may be considered.

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:

09/30/2026 - 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.