{"id":1202821,"url":"https://alion.io/job/caterpillar-lead-software-engineer-simulationdigital-twin","title":"Lead Software Engineer (Simulation/Digital Twin)","company":{"id":176554,"name":"Caterpillar","domain":"caterpillar.com","url":"https://alion.io/company/caterpillar","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":32,"ghost_share":0,"stale_share":0.844,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Irving, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":128470,"max":208770,"currency":"USD","period":"year","gross":null,"usd_annual":208770},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CARLA","optional":false},{"name":"Digital Twin","optional":false},{"name":"Isaac Sim","optional":false},{"name":"NVIDIA Omniverse","optional":false},{"name":"Physical AI","optional":false},{"name":"Python","optional":false},{"name":"Unity","optional":false},{"name":"Unreal Engine","optional":false}],"status":"live","first_seen_at":"2026-09-24T21:57:31Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-17T06:11:28Z","board_verified":true,"closed_at":null,"days_open":22,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":22},"description":"Career Area:\nTechnology, Digital and DataJob Description:\nYour Work Shapes the World at Caterpillar Inc.\nWhen you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.\nHelp Build the Future of Caterpillar - Be Part of What’s Next in Autonomous Construction Sites\nAt Caterpillar, technology always has a purpose, which is to solve our customers’ toughest challenges. Construction autonomy is one of the most complex challenges in applied AI, and at Caterpillar, advancements in physical AI, simulation, sensing, and edge computing are turning things that once felt impossible-intelligent machines operating in dynamic jobsites-into reality.\nRole Definition:\nThe Simulation & Digital Twin Engineer will design, develop, and integrate simulation capabilities that support Caterpillar’s next-generation of robotics. This role combines simulation engineering, real-time visualization, and 3D scene-building using NVIDIA Omniverse and modern C++/Python toolchains. This is a senior hands-on role which will plan, architect and lead and mentor.\nResponsibilities\nDevelop simulation for construction machines, jobsites and sensors (Camera, LIDAR, RADAR etc.) in NVIDIA Omniverse. \nIntegrate simulation components with current Caterpillar simulation models, data systems, and digital twin frameworks.\nCreate high-fidelity 3D models, scenes, and environments using NVIDIA Omniverse, USD, and Omniverse Kit-based pipelines.\nCollaborate with the simulation and robotics teams to define and implement a simulation Omniverse based platform with existing simulation tools.\nContribute to toolchain and pipeline design, including scripting utilities, automated test frameworks, and modular code libraries.\nDevelop interfaces that connect simulations to real-time visualization, dashboards, and operator-focused experiences.\nEnsure performance optimization for large-scale scenes, complex mechanical models, and multi-machine workflows.\nDevelop and execute model validation and verification plans, ensuring digital twins are accurate and numerically stable.\nActive reduce the real to sim gap by comparing simulation outputs to real machine test data, telematics, and historical performance metrics.\nEvaluate emerging tools and frameworks to expand Caterpillar’s simulation and digital-twin capabilities.\nRequired Qualifications\nBachelor’s degree in Computer Science, Software Engineering, Mechanical Engineering, Robotics, or a related field.\nExperience developing digital twins and simulations to support robotics. This includes machine, vehicle and/or sensor simulation. (ideally 5+ years)\nExperience with NVIDIA Omniverse, Isaac Sim, Cosmo, NVIDIA WARP, Newton, and Omniverse-based pipeline development.\nKnowledge of other digital-twin and real-time simulation tools, such as CARLA, Unity, Unreal Engine, Siemens NX/Teamcenter/Plant Simulation, Dassault 3DEXPERIENCE, Ansys Twin Builder etc.\nStrong hands-on programming skills in C++ and Python for simulation logic, behavior modeling, and tooling.\nExperience with cloud-based simulation workflows, large-scale data integration, or distributed simulation pipelines.\nSummary Pay Range:\n$128,470.00 - $208,770.00Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-relatedknowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.\nBenefits:\nSubject to plan eligibility, terms, and guidelines. This is a summary list of benefits.\nMedical, dental, and vision benefits*\n\nPaid time off plan (Vacation, Holidays, Volunteer, etc.)*\n\n401(k) savings plans*\n\nHealth Savings Account (HSA)*\n\nFlexible Spending Accounts (FSAs)*\n\nHealth Lifestyle Programs*\n\nEmployee Assistance Program*\n\nVoluntary Benefits and Employee Discounts*\n\nCareer Development*\n\nIncentive bonus*\n\nDisability benefits\n\nLife Insurance\n\nParental leave\n\nAdoption benefits\n\nTuition Reimbursement\n\n* These benefits also apply to part-time employees\nPosting Dates:\nAny offer of employment is conditioned upon the successful completion of a drug screen.\nCaterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.\nNot ready to apply? 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