Modeling & Simulation (M&S) Developer

Amentum; Crane (IN); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (including 401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Mid-Level Modeling & Simulation (M&S) Developer to support key programs at NSWC Crane, Indiana. This role involves interpreting military mission threads and developing digital representations of system attributes.

The ideal candidate will have over 5 years of related experience, familiarity with various modeling tools, and must hold an Active US Government Secret Clearance. The position is full-time and onsite, offering a competitive salary and a comprehensive benefits package.

Qualifications

• 5+ years of experience in an engineering job or scientific research job.
• 1+ years of experience integrating digital models.
• Familiar with digital modeling tools and methodologies.

Responsibilities

• Interpret military mission threads and extract key attributes.
• Develop digital representations of system attributes.
• Integrate elements into modeling toolsets.

Skills

Experience in engineering or scientific research

Integrating digital models

Experience working in secure environments

Familiarity with AFSIM

Familiarity with ITASE

Proficiency in Matlab

Proficiency in Python

Understanding SysML models

Education

Bachelor’s degree from ABET-accredited engineering program, computer science or mathematics major

Job description

Modeling & Simulation (M&S) Developer

• R0151840
• On Site

• Crane, Indiana, United States

• Full time

Amentum is a trusted partner to United States government agencies, allied governments, and corporations worldwide supporting critical programs across a broad range of domains. We are hiring a Mid-Level M&S Developer to support key programs at NSWC Crane. This position will be based on-site at NWSC Crane. Check out our website: https://www.amentumcareers.com/crane-indiana-jobs

Job Duties and Responsibilities:

• Interpret military mission threads and extract key attributes to be modeled

• Interpret system technical documentation and extract key attributes to be modeled

• Develop digital representations of system attributes and system behaviors

• Integrate modeling elements into M&S toolsets that predict system-of-systems performance

• Generate design documentation and maintain version control

• Validate that M&S toolsets produce realistic results

Required Qualifications:

• 5+ years of experience in an engineering job or scientific research job

• 1+ years of experience integrating digital models to predict system-of-systems performance

• 1+ years of experience working in a secure integrated data environment

• Familiar with (or similar):

  • AFSIM

  • ITASE

  • Matlab

  • Python

  • SysML models

• Bachelor’s degree from ABET-accredited engineering program, or computer science major, or mathematics major.

• Must have an Active US Government Secret Clearance with the ability to obtain and maintain a TS/SCI US Government Clearance. Please note US Citizenship is required to obtain a Secret/ TS/SCI Clearance.

Preferred Qualifications:

• Experience in a systems engineering job or mission engineering job

• Experience with military mission scenario modeling

• Experience testing digital models or software products

• Experience with radar, electronic surveillance, and radio datalinks

• Experience with missile guidance and missile countermeasures

Salary Range $120,000 - $150,000 per year

Compensation Details:

Salary Range $120,000 - $150,000 per year

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:

01/14/2026 - 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.