Senior Software Engineer, Modeling & Simulation (Active Clearance)

Company: Anduril Industries
Location: Washington
Posted on: April 1, 2026

Job Description:

ABOUT THE JOB At Anduril, our Software Engineers are at the forefront of defense technology, crafting high-impact, cutting-edge solutions that redefine innovation. You'll dive into a diverse range of projects, partnering with brilliant minds across disciplines to engineer robust software systems that empower our mission-critical operations. We're seeking talented modeling & simulation software engineers on several teams to contribute to projects that are shaping the future of defense. WHAT YOU’LL DO Design, develop, and maintain high-fidelity simulation environments and models for complex defense systems, including vehicles, sensors, and operational scenarios. Create and implement realistic behavioral models, physics engines, and environmental simulations to accurately represent real-world conditions and system interactions. Collaborate with domain experts, systems engineers, and software developers to translate requirements into robust and verifiable simulation capabilities. Develop tools and frameworks for efficient simulation execution, data collection, analysis, and visualization to support design validation, performance evaluation, and training. Integrate simulation environments with other tools and platforms, including hardware-in-the-loop (HIL) setups, to facilitate comprehensive system testing and validation. REQUIRED QUALIFICATIONS Strong Technical Foundation: A solid academic background in Computer Science, Software Engineering, Aerospace Engineering, Physics, Mathematics, or a related quantitative field. C++ Proficiency: Minimum of 5 years of demonstrated professional experience in developing high-performance, complex software solutions using modern C++. Expertise in Modeling & Simulation: Minimum of 5 years of demonstrated professional experience in developing simulation software, mathematical modeling, and creating virtual environments for complex systems. Algorithm Development & Implementation: Proven success in developing and implementing simulation logic, physics engines, behavioral models, and data processing pipelines. Mastering Complex Systems: Aptitude for quickly learning and effectively contributing within sophisticated simulation architectures, understanding their components, and developing efficient and accurate models. Driven by Mission Impact: A proactive drive and enthusiasm for developing modeling and simulation capabilities that are critical for system validation, design optimization, and ensuring mission success in demanding defense applications. Currently possesses and is able to maintain an active U.S. Top Secret security clearance. This job post is inclusive of openings within various teams. Successful candidates will be matched to a specific team at a subsequent stage of the recruitment process. The roles considered for this job post may require travel. The extent of travel will vary by role. US Salary Range $191,000 - $253,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including: Healthcare Benefits US Roles: Comprehensive medical, dental, and vision plans at little to no cost to you. UK & AUS Roles: We cover full cost of medical insurance premiums for you and your dependents. IE Roles: We offer an annual contribution toward your private health insurance for you and your dependents. Additional Benefits Income Protection : Anduril covers life and disability insurance for all employees. Generous time off : Highly competitive PTO plans with a holiday hiatus in December. Caregiver & Wellness Leave is available to care for family members, bond with a new baby, or address your own medical needs. Family Planning & Parenting Support: Coverage for fertility treatments (e.g., IVF, preservation), adoption, and gestational carriers, along with resources to support you and your partner from planning to parenting. Mental Health Resources: Access free mental health resources 24/7, including therapy and life coaching. Additional work-life services, such as legal and financial support, are also available. Professional Development: Annual reimbursement for professional development Commuter Benefits: Company-funded commuter benefits based on your region. Relocation Assistance: Available depending on role eligibility. Retirement Savings Plan US Roles: Traditional 401(k), Roth, and after-tax (mega backdoor Roth) options. UK & IE Roles: Pension plan with employer match. AUS Roles: Superannuation plan. The recruiter assigned to this role can share more information about the specific compensation and benefit details associated with this role during the hiring process. Protecting Yourself from Recruitment Scams Anduril is committed to maintaining the integrity of our Talent acquisition process and the security of our candidates. We've observed a rise in sophisticated phishing and fraudulent schemes where individuals impersonate Anduril representatives, luring job seekers with false interviews or job offers. These scammers often attempt to extract payment or sensitive personal information. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Our legitimate recruitment is entirely free for candidates. Please always verify communications: Direct from Anduril: If you receive an email from one of our recruiters, it will only come from an @anduril.com address. Via Agency Partner: If contacted by a recruiting agency for an Anduril role, their email will clearly identify their agency. If you suspect any suspicious activity, please verify the agency's authenticity by reaching out to contact@anduril.com . Exercise Caution with Unsolicited Outreach: If you receive any communication that appears suspicious, contains grammatical errors, or makes unusual requests, do not engage. Always confirm the sender's email domain is @anduril.com before providing any personal information or clicking on links. What to Do If You Suspect Fraud: Should you encounter any questionable or fraudulent outreach claiming to be from Anduril, please report it immediately to contact@anduril.com . Your proactive caution is invaluable in protecting your personal information and upholding the security and trustworthiness of our recruitment efforts. Data Privacy To view Anduril's candidate data privacy policy, please visit https://anduril.com/applicant-privacy-notice/ .

Keywords: Anduril Industries, Harrisburg , Senior Software Engineer, Modeling & Simulation (Active Clearance), IT / Software / Systems , Washington, Pennsylvania