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Simulation Software Engineer Jobs in Denver, CO (NOW HIRING)

Lockheed Martin

Software Engineer Staff

Littleton, CO · On-site

As a Missile Performance Simulation Software Engineer, you will work with a team of engineers to maintain and modernize these tools, including performing the following functions: • Execute software ...

Cimarron

Software Engineer (Human Landing System)

Arvada, CO · On-site

$177K - $210K/yr

Posting/External Job Title Software Engineer (Human Landing System) Location Denver, CO 80002 US ... Develop Orion ECLSS simulation models covering air exchange, consumption, and crew movement ...

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Simulation Software Engineer information

See Denver, CO salary details

$76.1K

$141.8K

$202.7K

How much do simulation software engineer jobs pay per year?

As of Jun 14, 2026, the average yearly pay for simulation software engineer in Denver, CO is $141,840.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,000.00 and $166,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Simulation Software Engineer position, and why are they important?

To thrive as a Simulation Software Engineer, you need strong skills in computer science, mathematics, and physics, often backed by a degree in engineering or a related field. Experience with simulation frameworks (like MATLAB, Simulink, or ANSYS), programming languages (such as C++, Python), and relevant certifications such as Certified Modeling and Simulation Professional (CMSP) are commonly sought. Effective problem-solving, attention to detail, and clear communication are vital soft skills in this role. These competencies enable the accurate development of complex simulations, efficient collaboration with multidisciplinary teams, and effective translation of real-world processes into reliable software models.

What does a Simulation Software Engineer do?

A Simulation Software Engineer designs, develops, and maintains software that models real-world systems, allowing for testing and analysis without physical prototypes. They work with mathematical models, algorithms, and programming languages to create accurate simulations for industries like aerospace, automotive, healthcare, and finance. Their responsibilities may include optimizing performance, integrating with hardware, and validating results to ensure accuracy.

What are the typical day-to-day responsibilities of a Simulation Software Engineer?

As a Simulation Software Engineer, your daily tasks often include designing and implementing simulation models, writing and testing code, and analyzing simulation results to ensure accuracy and reliability. You may collaborate closely with engineers, domain experts, and project managers to define system requirements and troubleshoot technical issues. Additionally, you will frequently document your work, present findings to stakeholders, and iteratively improve models based on feedback and evolving project needs. The role offers a dynamic blend of independent technical work and team collaboration to solve real-world engineering challenges.

What are the most commonly searched types of Simulation Software Engineer jobs in Denver, CO? The most popular types of Simulation Software Engineer jobs in Denver, CO are:
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What cities near Denver, CO are hiring for Simulation Software Engineer jobs? Cities near Denver, CO with the most Simulation Software Engineer job openings:
Simulation Software Engineer jobs near you
Software & Simulation Test Design Engineer

Software & Simulation Test Design Engineer

ispace, inc.

Englewood, CO • On-site, Remote

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 17 days ago

Job description

At ispace U.S., we're not just going to the Moon-we're redefining how we get there. Our missions push the boundaries of human and robotic exploration, driven by our belief: "Expand our Planet. Expand our Future." By providing cost-effective lunar transportation, we are pioneering a future where space is within reach for scientific discovery, commercial ventures, and sustainable exploration.  

With locations in Japan, Luxembourg, and the United States, ispace is rapidly growing and leading the way in lunar exploration and development. Our U.S. branch is based in Englewood, Colorado, and focuses on high-capacity payload lunar landers designed to support future lunar missions. Our team is made up of innovators, problem-solvers, and visionaries committed to making space more accessible and fostering the next generation of space exploration. 

Let's go to the Moon together! Our team is growing, and we are actively seeking talented individuals who share our passion for space. 

We are seeking a Software & Simulation TestDesign Engineer to architect and lead the development of a unified test software framework and simulation that ensures consistency, scalability, and reliability across global engineering teams. This role is central to establishing standardized testing practices, simulation environments, and automation infrastructure that enable high-confidence validation of mission-critical systems. 

You will define test software across the organization-creating a cohesive ecosystem that spans simulation, hardware-in-the-loop (HIL), integration, and system-level testing-while enabling teams in different regions to operate efficiently within a shared framework. 

Key Responsibilities

Test Framework Architecture: Design and evolve a modular, global test framework supporting unit, integration, system, and simulation-based testing. Define reusable abstractions, APIs, and libraries for consistent implementation, including fault injection scenarios such as sensor dropouts, thruster misfires, and communication delays. 

Simulation & Test Infrastructure: Architect scalable simulation environments and virtual testbeds with seamless HIL/SIL integration, covering orbital mechanics, space environments (vacuum, radiation, thermal), and spacecraft dynamics including attitude control and propulsion. 

Global Standardization & Governance Establish: common testing strategies, naming conventions, data formats, and reporting standards across regions. Define quality metrics, coverage standards, and quality gates; lead architecture and test design reviews to enforce best practices. 

Automation & CI/CD: Build and standardize automated test pipelines within CI/CD workflows, ensuring tests are reliable, reproducible, and scalable across distributed environments. 

Performance & Mission Scenario Testing: Ensure test systems support large-scale simulations, high data throughput, and long-duration runs - including thousands of simulated missions across launch windows, environmental variations, and anomaly scenarios. Optimize for speed, determinism, and debuggability. 

Cross-Functional Leadership: Collaborate with global engineering teams to drive adoption of the test framework. Contribute to resource estimation, schedule planning, and risk identification. Embody ispace values - Diversity, Integrity, Respect, Collaboration, and Accountability - and stay current on emerging tools and methodologies. 

Basic Qualifications
  • B.S. or M.S. in Computer Science, Software Engineering, Aerospace Engineering, or related field 
  • 5+ years of software engineering experience with significant focus on test systems or infrastructure 
  • Proven track record designing scalable test frameworks or platforms 
  • Strong programming skills in Python, C++, Java, or similar 
  • Experience with automated testing, CI/CD systems, and test orchestration tools 
  • Solid understanding of software V&V principles 
  • Familiarity with ITAR/EAR requirements for sharing technical data internationally 
What Makes You Stand Out
  • Experience with simulation environments (MATLAB/Simulink, ROS, or custom platforms) and HIL/SIL testing 
  • Background in safety-critical industries (aerospace, automotive, robotics, or defense) 
  • Knowledge of distributed systems, cloud-based test infrastructure, and LabVIEW 
  • Familiarity with orbital mechanics, control theory, and embedded flight software constraints 
  • Experience interpreting telemetry and simulation data outputs 
  • Ability to thrive in a fast-paced environment with evolving priorities; willingness to travel (<10%) 
Compensation and Benefits
We welcome candidates with diverse experience levels and evaluate the best fit on an individual basis. Your final job level and salary will be determined based on your skills, experience, and the impact you can bring to the role.
 
JG4- $101,000- $151,000
JG5 - $126,000-$189,000
 
        Health Coverage: Competitive medical, vision, and dental plans, with 100% company-paid options available for employees.
        Hybrid Work: Flexibility to work remotely and in-office, depending on your role and the stage of our program.
        Commuter Perks: Company-paid RTD EcoPass for buses and light rail.
        Lunch Perks: Monthly stipend to enjoy meals from our cafe.
        Paid Time Off: 18 vacation days, 6 sick days, and 17 paid holidays.
        Retirement: 401(k) plan with company matching.
        Travel: Opportunities for domestic and international travel.
        Stock Options: Participation in our stock option program.
        Learning & Development: Ample opportunities to grow, including lunch-and-learns, skills training, and stipends for professional development.
        Team Culture: A fun and casual environment with regular team gatherings, including monthly engagement events to connect and unwind.
#LI-LH1

At ispace, we believe that diverse perspectives drive innovation. We welcome applicants from all backgrounds and experiences, even if you don't meet every listed requirement. If you're passionate about our mission and think you can contribute, we encourage you to apply. Your unique skills and experiences may be exactly what we need to grow and succeed together. 

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR.here.  

ispace is an Equal Opportunity Employer; employment with ispace is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. 

All applicants who are offered employment with ispace US will be subject to a background investigation. Offers of employment are contingent on the successful completion of a background investigation conducted in accordance with Company policies and all applicable laws.

ispace Technologies, US, Inc. is a drug-free workplace. 

ispace Technologies, US, Inc. participates in the E-Verify program. 
 
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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