Senior Structural Engineer - Remote/Hybrid

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Structural Engineer to support our Oak Ridge, TN office. Looking for a Senior Structural Engineer to participate in the design process, assisting in developing design calculations using standard and advanced analysis (FEA software) techniques, developing design drawings, and construction specifications for structures made of steel, concrete, and masonry. You will be able to participate and focus on new design challenges, expanding career skills while supporting the development of life changing infrastructure that improves communities all over the United States. Qualifications Sole US citizenship required (to comply with government customer requirements and/or applicable government regulations) B.S. in Structural/Civil Engineering from an ABET accredited engineering school 12+ years of post-education experience Ability to follow and implement established quality procedures and ensure that all work accomplished is procedurally compliant Design experience with steel, concrete, and masonry with an emphasis of seismic design Experience implementing local and national codes such as IBC, AISC, ACI and ASCE. Ability to use finite element software Competence using Microsoft Office software Ability to learn new software as necessary for project success Comfort working in fast-paced environment where requirements may evolve throughout projects Preferred Qualifications M.S. in Structural/Civil Engineering from an ABET accredited engineering school A PE license with ability to obtain a new state license A SE license with the ability to obtain a new state license Reside within a commutable distance from our Oak Ridge, TN office Knowledge of nuclear codes such as DOE 1020, ASCE 4, ASCE 43, AISC N690, and ACI 349 Experience working in a BIM driven environment Experience in quality-based system based on ISO 9000 or NQA-1 Ability to perform and review advanced design methods such as non-linear analysis, performance-based design, or blast/impact design. Acted as EOR for previous project(s), leading team of engineers and/or designers Participation in professional organizations and/or code committees DOE Q Clearance DOE Experience Work Location This position is remote/hybrid work with a preferred for this position to be worked full-time in Oak Ridge, TN. For people within 50 miles of the Oak Ridge, TN office, a hybrid option requires a person to be in office for minimum of 50% of the week. For people outside of 50 miles, a remote option with quarterly travel to the Oak Ridge, TN office is available. For hybrid and remote work, you are required to provide and work in a secured location as approved by the company within the United States due to the projects that you will be participating in. Essential Functions Intermittent sitting, walking, standing, bending, squatting, climbing, kneeling, twisting, and lifting. Lifting requirements limited to 20 lbs. in the form of supplies, drawings, etc. Longest distance carried 50 feet. Hand manipulation is required for simple grasping, pushing and pulling, and fine manipulation. Right and/or left hands utilized. Occasional need to reach and/or work above the shoulder, for supplies, as well as below the shoulder for same. No foot controls necessary. Must be alert to equipment in the field, there will be occasional travel, will work near construction job site equipment when in the field, occasional need to work near hazardous equipment and machinery, occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity, and potential work at heights. Compensation Details: $105,000 - $170,000 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: 07/09/2026 - 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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. 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