Designer III

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 CAD Designer to support our Aiken, SC office. The Designer is responsible for initiating and developing engineering drawings through completion for assigned projects in conformance with the requirements, applicable codes, and design criteria established by the project's discipline engineers. Works under the direction of the Design Supervisor or Lead Designer. Essential Responsibilities: Under general supervision, develops engineering drawings of moderate complexity. Applies a solid level of understanding within a specific discipline. Familiar with codes, permits, and software applications related to the discipline. Understands the process of preparing designs and drawings using project specifications and discipline-associated written and verbal instructions in accordance with established design practices, standards, and procedures. Basic understanding of the engineer's process of performing and verifying design calculations to support the overall project design. Fully understands the purpose and use of vendor documents and reviews the supplier documents for accuracy. Basic knowledge of the use of requisitions and the role of materials management. Assists in the collection of data on manpower, man-hour, and labor costs requirements for design staff to aid in evaluating the budget. Basic knowledge of cost estimating methods and performs material take-offs for the discipline. Intermediate knowledge of the discipline's materials costs and the concept of cost analysis and forecasting. Works to project specifications and discipline-associated written and verbal instructions in accordance with established design practices, standards, and procedures. Coordinates work with that of others in the discipline group and other discipline groups on the project. Prepares complete information on design details, bills of materials, etc., for distribution to other design or drafting personnel for completion. Understands project scope as presented within a specific discipline. Provides support for the customer's engineering deliverables. Advises the Design Supervisor, Lead Designer, or Supervising Discipline Engineer about the status of assignment(s) with respect to schedule, budgets, delays, and adverse problems. Provides technical guidance and assistance to other design and draft personnel and is responsible for the neatness and accuracy of work. Ensures quality, quantity, and completeness of the assigned design tasks. Keeps proper files and records related to assigned design activities. Continually upgrades technical knowledge and capabilities and pursues additional coursework and training. Develops an understanding of the role of each of the other disciplines in Engineering. Perform all other position-related duties as assigned or requested. Minimum Position Knowledge, Skills, and Abilities Required: Education: Associate's degree in an engineering discipline or equivalent experience. Experience: 6+ years of experience. Capability with 2D and/or 3D plant design is strongly recommended. Good oral and written communication skills; working knowledge of word-processing and integrated software applications; 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. Preferred Qualifications Experience as CAD designer for Instrumentation and Controls or Security Systems Compensation Details: $35.00-$46.00 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: 06/29/2026 - 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. Find us online at If you need a reasonable accommodation for any part of the employment process, please contact us by email at View email address on click.appcast.io and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to View email address on click.appcast.io EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.