{"id":952722,"url":"https://alion.io/job/peak-energy-senior-cell-validation-reliability-engineer","title":"Senior Cell Validation & Reliability Engineer","company":{"id":685698,"name":"Peak Energy","domain":"peakenergy.com","url":"https://alion.io/company/peak-energy","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":79,"open_postings":6,"ghost_share":0,"stale_share":0.833,"repost_share":0,"time_to_fill_p50_days":56,"computed_at":"2026-10-20T05:45:00Z"}},"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":["Burlingame, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":190000,"currency":"USD","period":"year","gross":null,"usd_annual":190000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-08-19T20:23:01Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-20T05:23:34Z","board_verified":true,"closed_at":null,"days_open":61,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":61},"description":"Peak Energy\nJob Title: Senior Cell Validation & Reliability Engineer\nLocation: Burlingame, California\nDepartment: Cell Engineering\nReports To: Cell Applications Engineering Manager\nPosition Type: Full-time\nAbout the Company\nPeak Energy is the first American venture to advance globally proven sodium-ion battery systems as the storage standard for the new era of renewable energy on a resilient grid. \nSodium-ion is cheap, readily available, and safe - making it the leading contender in a rapidly evolving market. \nOur leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, Apple, Powin, Enovix, Zipline, Solid Power, SunPower, and Fluence. We are backed by strategic investment and product partners including TDK Ventures, Eclipse Ventures, and GM Ventures. \nWe recently announced America's first sodium-ion grid storage factory in Sacramento with production starting Q1 2027, and over $1B in signed customer commitments including Jupiter Power and Energy Vault. \nAbout the Role - Senior Cell Validation & Reliability Engineer\nPeak Energy is seeking a Senior Cell Validation & Reliability Engineer to own the validation and reliability foundation for the cells integrated into our energy storage systems. This role will move beyond cell specification verification to quantify how cell-to-cell and batch-to-batch variation impacts system-level performance and reliability.\nYou will design the studies, own the statistical analysis, and deliver cell-level validation verdicts and reliability inputs that inform Peak Energy's system design and 20-year calendar life expectations. You will work closely with cell test engineering, cell modeling, ESS engineering, supplier quality, and other cross-functional teams to translate cell performance and variation into actionable system requirements.\nTest execution will be carried out by the cell test engineering team, predictive modeling by the cell modeling function, and system design and system-level reliability evaluation by ESS engineering. This role owns the cell-side validation and reliability inputs that connect those functions.\nThe ideal candidate combines strong battery validation experience with applied reliability statistics and is comfortable turning complex test data into clear engineering decisions.\nWhat You'll Do (Responsibilities)\nCell-to-System Integration Validation \nValidate the electrical and mechanical integration of supplier cells into Peak Energy ESS platforms; own the cell-side validation verdict at each integration point. \nMove validation from spec verification to population statistics: design cell-to-cell and batch-to-batch variation studies and quantify how variance propagates to system-level performance - balancing burden, thermal gradients, mechanical preload windows, and energy/power delivery. \nMechanical: validate cell behavior under system-representative compression; characterize force versus state of charge and swell over life; deliver force-displacement-life datasets that inform foam/pad selection and preload design by systems engineering. \nElectrical & BMS: Assist in analysis with measured variation accounted for of OCV characterization, equivalent-circuit parameters; quantify cell-in-system versus bench performance deltas. \nEstablish the statistical foundation: measurement system analysis (MSA / Gauge R&R) across cell test equipment, capability analysis against specification, and statistically justified sample sizes, acceptance criteria, and validation exit criteria. \nCell Reliability Ownership \nOwn the cell reliability test roadmap: inform sample size requirements for calendar life, cycle life, and accelerated aging test plans designed explicitly to inform reliability analysis - not only to characterize performance. \nDeliver the authoritative cell-level input to system reliability evaluation: failure-rate estimates, life distributions under product duty cycles, degradation trajectories, and derating guidance. \nTrack reliability performance across supplier lots and chemistries; participate in root cause analysis of cell-related reliability failures and feed findings back into test plans and supplier requirements. \nCross-Functional Interface \nOwn the cell-requirements and reliability-input handoffs; participate in DFMEAs for cell-driven failure modes. \nShare variation and reliability findings with supplier quality: this role owns the performance and reliability implications of variation. \nPair with cell modeling: measured variation and life data validate equivalent-circuit, thermal, and degradation models; model predictions guide test-plan design. \n.\nWhat You'll Bring (Qualifications)\nB.S. in Mechanical, Electrical, or Chemical Engineering or a related field; M.S. preferred. \n5+ years in battery cell/module/pack validation or reliability engineering within automotive or stationary energy storage. \nReliability statistics: Weibull / life-data analysis, accelerated life testing, and confidence-bound methods for life claims. \nApplied statistics in an engineering context: design of experiments, capability analysis, measurement system analysis, sample-size justification. \nHands-on familiarity with cell test methods: cyclers, environmental chambers, force/displacement measurement, and thermal instrumentation. \nDepth in one integration axis - mechanical (compression, thermal interface) or electrical (BMS, system electrical performance) - with working competence in the other. \nWorking knowledge of BMS fundamentals: SOC/SOH estimation, cell balancing, and protection limits. \nProficiency in Python or equivalent for engineering data analysis.\nPreferred Qualifications\nReliability methods: reliability block diagrams, failure-rate (FIT) allocation, MTBF modeling. \nExperience owning DVP&Rs and driving validation programs from plan through sign-off. \nSodium-ion or LFP cell experience. \nExperience partnering with modeling teams on equivalent-circuit, thermal, and degradation model validation. \nDFMEA participation on module/pack programs. \nPeak Energy is committed to building a diverse and inclusive workforce. We strongly encourage women, people of color, and individuals from underrepresented groups to apply. We value skills, potential, and perspective over specific credentials. If you’re excited about this role but your experience doesn’t look perfect on paper, we still want to hear from you.\nOur Core Values\nSpeed Through Focus - Move fast but understand why. Focus on the goal, don't sacrifice quality.\n\nMission Over Self - It's about the greater good; confident humility. Take ownership and accountability.\n\nFace the Brutal Truth - Transparency, honesty, big picture curiosity. Fearless decision making.\n\nBe a Good Person - Kindness, collaboration and teamwork.\n\nCompensation & Benefits\nThe salary range for this role is $150,000-$190,000, with actual pay varying based on work location, experience, and skills. Our competitive benefits package includes:\nFlexible time off\n\nComprehensive medical, dental, and vision coverage\n\nStrong 401(k) plan\n\nEquity opportunities\n\nMany great work perks\n\nJoin us to thrive in a supportive environment while making a meaningful impact in the energy sector!\nAt Peak Energy Technologies Inc., we believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company’s full potential by cultivating an inclusive workforce. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.","description_format":"text","description_chars":7871,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible time off"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Energy Storage"],"lifecycle":[{"event":"open","at":"2026-09-16T02:15:50Z"}],"visa":[],"liveness":{"score":33,"band":"fade","label":"Fading","p_open":1,"p_active":0.75,"p_room":0.44,"age_days":61,"expected_fill_days":56,"reasons":["conf:0","velocity","win:tail","crowd:"],"computed_at":"2026-10-20T05:45:00Z"},"pay":{"stated_usd_annual":190000,"is_top_pay":true},"html_url":"https://alion.io/job/peak-energy-senior-cell-validation-reliability-engineer","json_url":"https://alion.io/job/peak-energy-senior-cell-validation-reliability-engineer.json","meta":{"generated_at":"2026-10-20T06:03:06Z","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 call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":6560,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":685698},"rest":"https://alion.io/mcp/rest/get_company?id=685698"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpeak-energy-senior-cell-validation-reliability-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fpeak-energy-senior-cell-validation-reliability-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fpeak-energy-senior-cell-validation-reliability-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/peak-energy-senior-cell-validation-reliability-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpeak-energy-senior-cell-validation-reliability-engineer"}]}