Senior Civil Engineer

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 Civil Engineer to support our Oak Ridge, TN office.

The Senior Civil Engineer will be responsible for leading the planning, design, permitting, and execution of land development projects across commercial, industrial, and institutional sectors. This role requires technical expertise, project leadership, and coordination with clients, agencies, and multidisciplinary teams to deliver high‑quality, compliant, and cost‑effective site development solutions.

Responsibilities include but aren't limited to:

Technical & Design Leadership

Lead the planning and design of site development projects, including grading, drainage, stormwater management, utilities, erosion and sediment control, and roadway access

Prepare and review civil engineering calculations, technical reports, specifications, and construction documents

Ensuring designs comply with applicable federal, state, and local regulations, codes, and standards

Provide quality control and technical oversight for work produced by junior engineers and designers

Discipline Project Management

Manage multiple projects simultaneously, including scope, schedule, budget, and resource allocation

Develop project work plans, manpower estimates, and participate in proposal efforts

Coordinate with clients, Architects, Surveyors, Structural Engineers, Contractors, and other consultants throughout project development

Support construction administration services, including responding to RFIs, reviewing submittals, and conducting site visits

Regulatory & Permitting

Lead permitting efforts and coordinate with local agencies, utilities, and regulatory bodies

Prepare and submit land development, zoning, and permitting applications

Address regulatory comments and support entitlement processes

Mentorship & Collaboration

Mentor and provide guidance to junior and mid-level engineers, EITs, and CAD designers

Foster collaboration within project teams and across disciplines

Contribute to process improvements, standards development, and technical best practices

Client & Business Development Support

Maintain strong client relationships and provide technical support during business development efforts

Assist with identifying new project opportunities and expanding existing client relationships

Represent the firm during client meetings and stakeholder engagements

Required Qualifications:

Bachelor’s degree in Civil Engineering or a related discipline.

Professional Engineer (PE) license required

Minimum of 8–12 years of experience in civil engineering with a focus on site development

Must be able to show proof of US citizenship (to comply with government customer requirements and/or applicable government regulations)

Strong working knowledge of site development design practices, permitting, and construction processes

Experience with stormwater management design and hydrologic/hydraulic modeling

Proficiency with relevant design software (e.g., AutoCAD Civil 3D, StormCAD, HydroCAD, or similar)

Excellent written and verbal communication skills

Preferred Qualifications:

Civil Engineering degree from an ABET accredited university

Experience serving as Engineer of Record

Demonstrated experience mentoring staff and leading project teams

Experience with sustainable site design and low‑impact development (LID) practices

Work Location

This position is designed to support either in-office or remote work, with a strong preference for the successful candidate to work from Amentum's office in Oak Ridge, Tennessee. Employees who reside within 50 miles of Oak Ridge will be expected to work from the Oak Ridge office. Employees who live more than 50 miles away are eligible for a remote work arrangement; however, remote employees must travel to the Oak Ridge office on a quarterly basis. Those working remotely are required to maintain a company-approved secure workspace that meets all client security requirements and is located within the United States. This U.S.-based secure work location requirement applies to all projects associated with the position.

Compensation Details:

$109,000 - $175,000

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:

08/20/2026 - 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 .