{"id":1719548,"url":"https://alion.io/job/pivotal-senior-battery-systems-simulation-validation-engineer","title":"Senior Battery Systems Simulation & Validation Engineer","company":{"id":35040,"name":"Pivotal","domain":"pivotal.aero","url":"https://alion.io/company/pivotal-aero","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":92,"open_postings":22,"ghost_share":0.045,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":106,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Palo Alto, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":121000,"max_usd":229000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":5037},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Simulink","optional":false}],"status":"live","first_seen_at":"2026-10-02T18:27:57Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-13T02:52:40Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":9},"description":"About the Job\nThe Battery Engineering team at Pivotal is seeking a Senior Battery Systems Simulation & Validation Engineer to develop predictive battery models, define verification strategies, and correlate analytical results with laboratory and flight-test data. This role will support cell and pack development for electric aircraft and will work across battery, aeromechanical, electrical, systems, manufacturing and flight-test teams.\nResponsibilities\nDevelop and maintaincell and pack-level thermal, electrical, and performance models.\nSimulate charging, discharging, heat generation, cooling, environmental exposure, aging, and off-nominal operating conditions.\n\nEvaluate battery performance across ambient-temperature extremes, solar loading, rapid charging, ground turnaround, and representative flight missions.\n\nPlan model-correlation activities and use bench, environmental, and flight-test data to improve model accuracy and engineering confidence.\n\nDefine verification methods, andevidence for battery-systemrequirements.\n\nDefine performance test objectives, test profiles, and acceptance criteria in partnership with the test team.\n\nAuthor and review engineering analyses, verification plans, test plans, test reports, and technical decision records.\n\nSupport pack-architecture trades involving cell selection, packaging, cooling approaches, venting, sensing, and protection features.\n\nAnalyze battery degradation, state of charge, state of health, energy capability, power capability, and thermal margins.\n\nPartner with the Battery Management System, electrical, and software teams on models, interfaces, diagnostics, and data quality.\n\nPartner with mechanical engineers on thermal-management design, structural interfaces, installation constraints, and aircraftintegration.\n\nIdentifytechnical risks early and recommend practical mitigation, validation, or redesign actions.\n\nImprove reusable simulation, data-processing, requirements-traceability, and verificationworkflows.\n\nQualifications\nBachelor's degree in Mechanical, Aerospace, Electrical, Chemical Engineering, or a relatedtechnical discipline.\n\nFive or more years of relevant experience in battery modeling, simulation, validation, testing, or system development.\n\nExperience developing equivalent-circuit and thermal models of lithium-ion cells and packs.\n\nStrong understanding of lithium-ion cell behavior, heat transfer, battery-pack operation, and test-datainterpretation.\n\nExperience developing and validating engineering models against measured data.\n\nProficiencywith MATLAB, Python, Simulink, or comparable engineering analysis tools.\n\nExperience with CFD, thermal-network modeling, electrothermal modeling, or multiphysicstools such as STAR-CCM+, ANSYS, Simcenter, or COMSOL.\n\nExperience defining verification activities and producing clear technical documentation.\n\nStrong analytical, troubleshooting, and cross-functional communication skills.\n\nPreferred Qualifications\nExperience with electric aircraft, electric vehicles, UAVs, aerospace systems, or other high-power battery applications.\n\nExperience with battery-aging, degradation, state-estimation, or mission-performance models.\n\nExposure tobattery abuse testing, thermal-runaway analysis, and propagation-mitigation concepts.\n\nFamiliarity with aerospace verification, environmental qualification, requirements management, and configuration control.\n\nExperience with high-voltage battery systems and battery-management-system data.\n\nIdeal Candidate\nUses first-principlesreasoning while remainingpragmatic about schedule, hardware, and available evidence.\n\nIs equally comfortable working independently on analysis and collaborating at the test article or aircraft.\n\nCommunicates assumptions, uncertainty, correlationquality, and technical risk clearly.\n\nThrives in rapid development cycles and converts incomplete information into focused learning plans.\n\nAttributes aligned with Core Values\nSafety Above All: Demonstrates a proactive safety mindset by embedding safety into daily work, identifying and mitigating risks, encouraging open dialogue about safety concerns, and continuously improving practices and protocols.\nCustomer Focus: Puts customers at the center of every action by understanding their challenges, delivering meaningful value, and supporting their success.\nWork Better Together: Seeks and values diverse perspectives, builds cross-functional relationships, and fosters trust through empathetic, fact-based communication and commitment to shared decisions.\nBe the Pilot: Drives results with clarity and purpose by focusing on what matters most, adapting to change, taking initiative, and owning outcomes.\nEmbrace the Unknown: Navigates ambiguity with resilience and bold thinking, challenges the status quo, and combines innovative ideas with practical approaches to overcome obstacles and drive progress.\nRespect for People: Fosters a high-performance culture grounded in respect, professionalism, and support by balancing high expectations with a healthy, collaborative environment and being a trusted, dependable 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now","p_open":1,"p_active":0.86,"p_room":1,"age_days":9,"expected_fill_days":106,"reasons":["conf:3","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/pivotal-senior-battery-systems-simulation-validation-engineer","json_url":"https://alion.io/job/pivotal-senior-battery-systems-simulation-validation-engineer.json","meta":{"generated_at":"2026-10-13T05:04:56Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per 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