Mechanical Revit Designer 3

We are seeking a Mechanical Piping Designer with heavy Revit experience to work on our projects to utilize computer-aided design programs like Revit, AutoCAD Plant 3D to develop an efficient, cost-effective pipe systems. You need strong drafting skills, and you must be familiar with all of the regulations that govern industry. You should have several years of experience in construction or 3D modeling. We also prefer that you have a Professional Piping Designer Certification.

Duties and Responsibilities

Draft a 3D model in a CAD software

Work with engineers to ensure your design is sound.

Often responsible for 3D piping and equipment models of entire projects. Optimizes piping design with some supervision.

Often provides verbal input during model reviews.

Drafts P&ID redlines, adds redlines to already developed P&IDs. Develops high level "from scratch" P&IDs.

Self-sufficient in generating project deliverables (isometrics, piping plans, plot plans, MTO's) and reviews prior to submitting for checking.

Has a basic level of understanding of pipe specifications and materials through knowledge of ASTM and ASME codes and standards.

Has a basic level of understanding of ASME B31.3, B31.4 and B31.8.

Under supervision, generates project piping estimates for review with management.

Tracks schedule and budget during the duration of a project and anticipates manpower overage or underage.

Tracks project scope changes and initiates change orders to management

Required Experience

6 years of construction or 3D modeling experience

Skills with CAD software

Analytical problem-solving skills

Proficient in current engineering design and drafting software packages.

Operational knowledge of spreadsheet and database programs.

Revit, AutoCAD 3D design, Autocad Plant 3d a plus.

Client projects for this position require U.S. Citizenship

Physical Requirements

Requires the ability to sit for extended periods at a computer workstation.

Be able to work in an environment with open discussions and visitors without getting distracted.

May be required to lift up to 20 lbs.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Meets expectations for attendance and punctuality.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

Additional Information

We maintain a drug-free workplace and perform pre-employment substance abuse testing.

COMPENSATION

HIRING SALARY RANGE: $40hr - $52hr (Hourly) (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.

Dual citizenship maybe considered.

Compensation Details:

$40hr - $52hr

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:

10/19/2026 - 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 .