Amentum

Mechanical Design Engineer (ES2)

Amentum$70K — $95K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering or related field; Master's preferred (0-5 years experience)
  • Familiarity with launch vehicle systems
  • Experience with structural design methods and material behavior
  • Proficient in PTC Creo 9.0 or newer for detailed drawings
  • Knowledge of Geometric Dimensioning and Tolerancing (ASME Y14.5)
  • Experience with PTC Windchill PLM/PDM software is a plus
  • Strong communication skills, both written and verbal

Responsibilities

  • Provide structural and mechanical design support for flight hardware
  • Model large assemblies for the Space Launch System and other programs
  • Manage large CAD files using Product Data Management systems
  • Support the development and implementation of changes in program documentation
  • Participate in various hardware design and development meetings

Benefits

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • 401(k) matching retirement benefits
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance
Full Job Description

Description

Our Structural & Mechanical Design and Analysis team is a high performing group executing challenging tasks for the insight, design, and analysis of the Space Launch System (SLS) ranging from large structural elements to payload attachment hardware. Our team is tasked with providing support for various other space related missions including the Human Landing Systems (HLS) and much more. This exciting work serves as critical steps in our mission of sending humans to the Moon, Mars and beyond!

We are searching for an engineer to provide structural and mechanical design support for SLS vehicle development focusing on Spacecraft/Payload Integration. This role requires the ability to work independently and as part of an integrated, collaborative team. Responsibilities include:

  • Providing structural and mechanical design support for flight hardware including adapters and secondary structures, secondary payload support, thermal protection system, electrical interfaces, and isolation hardware between vehicle compartments.
  • Modeling large assembly and subassemblies in support of the Space Launch System program as well as other new and existing spaceflight programs.
  • Managing large Computer Aided Design (CAD) files using Product Data Management (PDM) systems.
  • Providing support for the development, review, and implementation of changes in SLS program documentation. through gathering pertinent information and documentation from appropriate disciplines and presenting to the appropriate governing boards.
  • Participating in reviews, meetings, technical interchange meetings, boards, working groups, and trade studies related to hardware design and development.

Qualifications:

A degree in Engineering or related field is required (ABET-accredited university preferred). Educational requirements are a bachelors degree with 0 to 5 years of experience or a masters degree with 0 to 3 years of experience.

Skills and experience should demonstrate:

  • Familiarity with launch vehicle systems
  • Experience with structural design methods, test methodology, material behavior, and fabrication methods.
  • Experience interpreting engineering drawings and design tolerances.
  • Ability use PTC Creo 9.0 or newer to create detailed drawings per ASME Y[redacted] and/or Global Drawing Reference Manual.
  • Ability to apply best CAD practices for robust development of PTC Creo 9.0 or newer drawings, assemblies, and models.
  • Ability to use product design definition created with digital product definition/model-based design practices as described in ASME Y14.41.
  • Familiarity with engineering drawing and model review and release processes.
  • Fluency with Geometric Dimensioning and Tolerancing per ASME Y14.5 for drawing development including tolerance stack-up analysis.
  • Experience with PTC Windchill PLM/PDM software to manage and control models and drawings is preferred.
  • Capable of functioning in a multi-disciplinary team of engineers with expertise in aerosciences, manufacturing and producibility, structural test equipment, and test hardware.
  • Capable of working with external teams including main propulsion systems, reaction control systems, quality control, ground support systems, safety, and system engineering and integration.
  • Excellent written and verbal communication skills are required.
  • Proficiency in Microsoft Office Suite competence (Word, Office, Excel, PowerPoint, Teams, and Outlook) is required.

Essential Functions

Work Environment:

Office environment. Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA (5%).  Requires ability to work at a computer for long periods of time (100%).

Physical Requirements:

Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (10%).

Equipment and Machines:

Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%).

Attendance:

Normal workday 7:30-4:30, Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity, and adequate arrangements for delegating duties during absences are required.

Other Essential Functions:

The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.

Proof of U.S. Citizenship is required.

#ESSCA #ASED#Amentum

Compensation Details:

ES2

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:

07/01/2026 - 07/30/2026

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.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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