Simulation Software Engineer 4

Date: Jun 24, 2026

Location: Centennial, CO, US, 80112

Company: United Launch Alliance

Requisition ID: 1767

Standard Weekly Hours: 40.00 

Location: ULA - Denver 

Relocation: Yes- Relocation may be available 

Travel Requirements: 10% 

 

At ULA, success comes through the efforts of a strong, united team.

 

Thanks for your interest in United Launch Alliance, the world's most experienced and reliable space launch company! Successfully launching more than 155 consecutive missions with 100% mission success doesn't happen by accident. It's a testament to the commitment and dedication of our team of rocket scientists and support employees combined with the systems and processes we use to pull them together. As a ULA employee, you'll have the opportunity to grow in your career while working in a team-oriented culture that combines technology, innovation, ingenuity and a commitment to the extraordinary. Whether you are in college just launching your career, or, have experience and want to come work with the best rocket team in the world, our unshakable unity yields stronger solutions and better results as we carry out our mission to save lives, explore the universe, and connect the world. Our team is excited to meet you!

Job Overview & Responsibilities

  

At ULA we’re invested in evolving our software capabilities through the creation of new launch system simulations to augment our existing software and hardware-in-the-loop test capabilities.

As a Software Simulation Engineer, you will:

  • Participate in an agile scrum team to develop simulations of launch vehicle and launch pad systems in support of the software development and mission integration teams.
  • Develop and document software requirements.
  • Develop and implement software designs.
  • Perform peer review and test of implemented software.
  • Participate in collaborative planning across software teams to identify simulation needs.
  • Collaborate with system owners to ensure software simulations accurately reflect the systems being simulated.

 

Required Education

Bachelor

 

Required Years of Experience

Minimum of 6 years of related work experience

 

Basic Qualifications

  • Bachelor's degree in a STEM (Science, Technology, Engineering, Mathematics) field from an accredited college or university
  • Experience with Real Time Linux-based operating systems
  • Experience with developing and troubleshooting of timing-critical Hardware and Software systems
  • Experience in authoring, executing and review of Independent Verification and Validation (IV&V) plans of Avionics Hardware
  • Experience across a variety of chip, board and network level communication protocols
  • Experience with object-oriented designs and languages
  • Experience with C/C++/Python
  • Experience with software development practices including:
    • Configuration Management practices and tools such as Git
    • Continuous Integration / Continuous Delivery (CI/CD)

 

Preferred Qualifications

  • Experience with software control systems
  • Expertise with Hardware Description Languages (Verilog / VHDL)
  • Familiarity with and understanding of DevSecOps pipelines and processes
  • Technical leadership experience in an Engineering environment
  • Experience presenting hardware / software / system architecture and designs to both internal audiences as well as external customers
  • Familiarity with standards such as RCC-319, SMC-012/021 or DO-178

Summary Salary Range (for ULA - Denver only):  $137,767.00 - $229,612.00 

 

Please note that the salary information shown above is a general guideline only. Salaries are based upon a candidate's experience and qualifications, as well as internal equity, market and business considerations. Employees may be eligible for a discretionary annual bonus in addition to base pay. 

 

What makes ULA different?

Because we understand launch success comes through the collective efforts of a team, we seek the best to join us. We value ethics, ingenuity, engagement and professional development for employees at all levels.

 

We offer our employees competitive pay and benefits including:

  • 401(k) match plus an additional employer contribution
  • Discretionary annual incentive bonus for eligible employees
  • Generous paid time off
  • Flexible work environments

 

Additionally, most salaried ULA team members work a "9/80 schedule," meaning they enjoy every other Friday off.

 

Benefits and work schedules may vary for union-represented hourly positions and are described in the applicable collective bargaining agreement.

 

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

 

Security Clearance / International Traffic In Arms Regulations (ITAR). This position requires use of information which is subject to the International Traffic In Arms Regulations (ITAR). Therefore, all applicants must be U.S. Persons as defined in ITAR 22 CFR 120.62 (e.g., U.S. Citizen, Lawful Permanent Resident (Green Card holder) or protected individual. See 8 U.S.C. 1101(a)(20) and 8 U.S.C. 1324b(a)(3) for additional information).

 

ULA is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment.

 

ULA is a participant in the federal E-Verify Program. Posters in PDF format pertaining to this program can be accessed by clicking on the links identified below. E-Verify Participation poster (English / Spanish) and Right to Work Poster (English / Spanish).

 

Colorado Equal Pay for Equal Work Act requires covered employees to follow a post selection notification process. A hired candidate may opt out of this process by notifying the hiring manager in writing at the time the offer is accepted


Nearest Major Market: Denver