Senior Structural Engineer

Purpose and Scope:

Under the minimal supervision, performs engineering modeling, analysis, design, and checking for moderate to complex structures; prepares formal calculations, analyses, studies, specifications, reports, and other technical documents; checks and performs design verification of structural calculations, drawings, and specifications; reviews vendor drawings, shop drawings, and other discipline drawings.

Essential Responsibilities:

• Performs a range of design development, analysis, or review tasks independently.

• Responsible for complete designs, analyses, or design reviews.

• Generate complete design specifications for the most complex projects.

- May train other engineers on technical issues related to the research, design, development, testing and analysis of engineering assignments.

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

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

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

• Direct interface and liaison with internal and external 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.

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

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

• Prepare, deliver and submit technical papers and perform engineering studies.

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

• May organize and supervise a group of employees for a given project, contract or job with overall responsibility for cost, schedule, technical and employee performance.

• Generate complete design specifications of more complex projects.

Minimum Requirements:

• US Citizen

• Bachelors degree in Civil or Architectural Engineering with a structural emphasis (or equivalent education).

• At least 10 years of job-related experience.

• Must be a Registered Professional Engineer in a home state.

• Excellent communication and analytical skills

• Working knowledge of computer systems and integrated software application programs

• Organizational skills and ability to perform detail-oriented work are required.

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

• Position may require travel.

• In-depth knowledge of STAAD.Pro modeling, analysis, design, and post processing

• In-depth knowledge and proficiency in MathCad, Excel, and Word

• 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:

DOE/DOD project design experience.

• Professional Engineering Registration

• Master of Science degree in structural engineering

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

• In-depth knowledge of AISC Seismic Design Provisions, i.e., AISC 341

• In-depth knowledge of nuclear facility design codes including ACI 349, AISC N690, ASCE 43, and DOE-STD-1020

• Working knowledge of seismic response spectrum analysis

Compensation & Benefits:

HIRING SALARY RANGE: $130K - $160K (Annually) (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant internal equity, and alignment with market data.)

BENEFITS

Amentum offers the following benefits for this position, subject to applicable eligibility requirements: 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:

$130K - $160K

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:

07/17/2026 - 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 ( .