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38 software simulation engineer jobs at 23 companies in Manchester, NH

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Engineer II /Senior Software Engineer, Simulation
Cambridge, Massachusetts, United States
$120k-$192k/yr OnsiteFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
1+ YOE1-3 years in simulation engineering; strong software fundamentals; experience with reproducibility, queuing, event scheduling; good cross-team communication.
SimPy, CI/CD, API design, Versioning, Logging, Experiment tracking (MLflow, Weights & Biases)
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Simulation Software Engineer – Robotics Platform
Charlestown, Massachusetts, United States
$120k-$185k/yr HybridFull Time
Pickle Robot
Pickle Robot: Automated robotic systems for unloading trucks and containers.
3+ YOE3–7+ years in robotics, simulation or software engineering; strong Python; Isaac Sim preferred; cloud infra; CI/CD; cross-functional collaboration
Isaac Sim, Python, Gazebo, MuJoCo, CI/CD, Cloud
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Principal Software Engineer, Design Simulation
Wilmington, Massachusetts, United States
$180k-$248k/yr HybridFull Time
Symbotic
SymboticNasdaq: SYM: AI-powered robotics and software for warehouse automation.
12+ YOEMaster's preferred; 12+ years software engineering experience with simulation and optimization; strong CS fundamentals; experience with data transformation (Pandas, NumPy, SQL), data science workflows, ML/cloud a plus; excellent communication.
Pandas, NumPy, SQL
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Staff Simulation Platform Engineer
Boston, Massachusetts, United States
HybridFull Time
Merlin Labs
Merlin Labs: Develops autonomous pilot systems for commercial and military aircraft.
7+ YOE7+ years in simulation or autonomy validation; strong software architecture; experience with distributed systems; Python and/or C++ proficiency.
Python, C++, AFSIM, Unreal, Unity, CARLA
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Experienced Simulation Software Engineering Team Lead
Oklahoma City or Cambridge
$110k-$148k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Bachelor's degree, ability to obtain U.S. Secret clearance (U.S. person), strong software test and systems experience, familiarity with Agile, Linux/command line, and ability to lead or coordinate test teams.
Linux, Terminal, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Cypress, Mocha, Chai, JavaScript, GitLab, Jira
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Experienced Simulation Software Engineering Team Lead
Oklahoma City or Cambridge
$110k-$148k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Bachelor's degree, ability to obtain U.S. Secret clearance (post-start), U.S. Person status, strong software testing and Agile experience, Linux/CLI familiarity, ability to lead test teams and perform system-level analyses.
Linux, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Cypress, Mocha, Chai, JavaScript, Gitlab, Jira
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Flight Compute Software-in-the-Loop Simulation Engineer
Cambridge, Massachusetts, United States
$82k-$220k/yr OnsiteFull Time
Draper
Draper: Designs and develops advanced guidance and navigation technologies.
5+ YOE5-7 years Systems Engineering; professional software development; C/C++, MATLAB/Simulink; Linux, Bash; Docker/Kubernetes; Python; security clearance needed.
C/C++, MATLAB/Simulink, Linux, Bash scripting, Docker, Kubernetes, Python
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Senior Engineer, XBAT Simulation Modeling (R4546) (TX/SD/BOS)
Dallas or San Diego or Boston
$105k-$155k/yr OnsiteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
5+ YOEBS/MS in CS, Aerospace, Robotics; 5+ years software development; strong C++ (C++17+); experience in simulation, V&V, and performance analysis.
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Staff Software Engineer, Maritime
Boston or Quincy
$220k-$292k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Senior-level software engineer with leadership experience, systems thinking, and end-to-end ownership of autonomous maritime software.
C++, Rust, Go, TypeScript, React, Cloud technologies, Embedded software, Robotics, Simulation
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Senior Software Engineer
Cambridge, Massachusetts, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizenship and active transferable DoD Secret clearance required. Bachelor's in CS/CE/EE +5 years (or Master's +3 or PhD). Experience with C/C++ on Linux; prior software design, simulation, and implementation experience.
C++, C, Linux, Python, Bash, git, Valgrind, gdb, Google FlatBuffers, Armadillo, REST API
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Systems Software Engineer, Platform Architecture
Cambridge or Boston
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
10+ YOEBS degree; low-level software, OS or compilers; C/C++ programming; experience debugging large system software.
C++, C, Python, Assembly, ARM, X86, Kernel and driver development, Firmware development, Modeling and simulation
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Lead Autonomy Software Engineer
Burlington, Massachusetts, United States
$150k-$196k/yr HybridFull Time
Scientific Systems Company (SSCI)
Scientific Systems Company (SSCI): Provides AI-powered autonomy and mission planning for unmanned systems.
7+ YOEBS in relevant field + 7+ years (or MS+5 or PhD+2), team leadership and proposal experience, edge software integration, experience with C/C++, Python, simulation tools, ability to obtain US DoD security clearance.
C, C++, Python, Java, Rust, AFSIM, NGTS, Linux
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System Software Engineer, GPU Development Tools
Santa Clara or Westford
$152k-$242k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
5+ YOEBachelor's/Master's in CS/CE or equivalent, 5+ years software development, strong C++, familiarity with driver stacks (CUDA or DX/OpenGL/Vulkan), OOP, teamwork, and adaptability; Python and simulation experience a plus.
C++, Python, CUDA, DX, OpenGL, Vulkan, virtual machines, containers, distributed programming
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Principal Python Engineer (Modeling & Simulation)
San Francisco or Boston or United States
HybridFull Time
Code Metal
Code Metal: Verifiable AI-powered code translation for mission-critical industries.
7+ YOE7+ years Python software development, experience with scalable APIs, Docker, cloud distributed systems, stakeholder-driven design, SDLC best practices; eligible for U.S. Top Secret clearance.
Python, Docker, REST, GraphQL, gRPC, AWS, GCP, Azure
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Lead, Embedded Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max) (37639)
Wilmington, Massachusetts, United States
$135k-$251k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEBachelor's in Computer Engineering/Computer Science with 9+ years (or equivalent experience), experience in embedded aerospace software, RTOS and simulator use, C/C++ and Python, and ability to obtain U.S. security clearance.
VxWorks, FreeRTOS, RTLinux, QNX, TSIM, VxSIM, SIMIC, MATLAB Simulink, C, C++, Python, Jenkins, Cameo, Fortify Workbench, SonarQube, Raspberry Pi, Arduino, cFS/CFE, OMS, UCI
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Scientific Software Engineer - AMO Simulations
Boston, Massachusetts, United States
OnsiteFull Time
QuEra Computing
QuEra Computing: Develops and operates neutral-atom quantum computing systems.
Advanced degree or equivalent experience in physics, math, CS or related; strong background in quantum/AMO physics and numerical simulation; programming in Python/Julia/C++/Rust; familiarity with numerical linear algebra and scientific software practices.
Python, Julia, C++, Rust, QuantumOptics.jl, QuTiP, SciPy, NumPy, ITensor, CUDA, MPI
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Sr. Software Development Manager
North Reading, Massachusetts, United States
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
10+ YOE5+ Mgmt5+ years managing engineering teams, 10+ years software development including embedded/device experience, experience with Agile, program management, simulation/emulation platforms, and building CI/CD and HIL testbeds.
simulation platforms, emulation platforms, HIL, CICD
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Principal Engineer - Test Platform Services
Boston, Massachusetts, United States
$168k-$247k/yr HybridFull Time
SimpliSafe
SimpliSafe: Provides wireless home security systems and professional monitoring services.
8+ YOE3+ Mgmt8+ years software engineering, cloud-native distributed systems, AWS, leadership of engineers, device simulation/IoT experience preferred
AWS, Kubernetes, EKS, IoT, Firmware-cloud integration
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Lead Software Engineer/Technical Program Manager
Colorado Springs or Boston
HybridFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
10+ YOE3+ MgmtUS citizen with active Secret clearance, BS in STEM, 10+ years software development (≥3 years technical lead/architect). Preferred: TS/SCI, MS, PMP or DAWIA. Experience with Julia, React/TypeScript, CesiumJS, Electron, ONNX, and defense simulation tools.
Julia, SciML, DifferentialEquations.jl, PackageCompiler.jl, CesiumJS, Resium, CZML, ONNX Runtime, ONNX.jl, electron-builder, STK, AFSIM, EADSIM, React, TypeScript, GitHub Actions, Electron
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Principal Engineer Tech Lead, Embodied AI & Off-Board Performance Evaluation
Boston or Las Vegas or Pittsburgh or United States
$200k-$275k/yr HybridFull Time
Motional
Motional: Develops autonomous vehicle technology for driverless ride-hailing and delivery.
10+ YOE10+ years in software/AI/AV systems, Bachelor's in CS/Engineering/Robotics, expertise with LLMs/VLMs, Python, AV performance metrics, vector DBs, simulation and scalable data pipelines.
LanceDB, Ray, AWS, GCP, Python, C++
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