{"id":2558749,"url":"https://alion.io/job/microsoft-principal-mechanical-engineer-energy-systems","title":"Principal Mechanical Engineer-Energy Systems","company":{"id":18,"name":"Microsoft","domain":"microsoft.com","url":"https://alion.io/company/microsoft","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"B","score":75,"open_postings":116,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":142800,"max":274800,"currency":"USD","period":"year","gross":null,"usd_annual":274800},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-02T17:39:50Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-16T00:43:07Z","board_verified":true,"closed_at":null,"days_open":13,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":13},"description":"OverviewMicrosoft’s Cloud Operations & Innovation (CO+I) is the engine that powers our cloud services. The CO+I CTO Office’s Energy Technology team is looking for a Principal Mechanical Engineer- Energy Systems focused on energy systems to provide technical leadership for capabilities that enable Microsoft datacenters to serve our customers. This role will shape how energy technology requirements are defined, evaluated, and deployed across Microsoft’s global portfolio, partnering closely with datacenter engineering, electrical infrastructure, policy, operations, and external technology partners.\nAs a Principal Mechanical Engineer on the Energy Technology team, this individual will drive Microsoft’s technical approach to energy systems technologies. The role requires deep energy systems expertise, strong technical judgment, and the ability to influence engineering, commercial, and policy stakeholders around scalable solutions that improve reliability, grid compatibility, and operational continuity.\nThe successful candidate will be a subject matter expert in energy systems with experience in energy systems infrastructure design. The candidate will also understand the interactions between the grid and datacenter energy systems and will lead the development of architectures, requirements, and deployment pathways that enable resilient operation.\nIn alignment with Microsoft values, we are committed to cultivating an inclusive work environment for all employees and positively impacting our culture every day.\nResponsibilities\nResponsibilities:\nDefine the technical roadmap for power generation mechanical systems and technologies, including fuel calculations, CFD calcs, pipeline layouts, airflow, acoustics.\nPerform fuel-consumption and heat-rate calculations, including HHV/LHV basis, gas composition, standard versus actual flow, part-load performance, and ambient derating.\n\nSize natural-gas piping, regulators, valves, filtration, compression, and metering systems; evaluate pressure drop, compressible flow, and transient fuel demand.\nDevelop heat and mass balances; size pumps, heat exchangers, cooling loops, expansion systems, and heat-rejection equipment.\nDevelop and review P&IDs, equipment specifications, piping layouts, mechanical interfaces, and control sequences.\nEvaluate thermal expansion, piping stress, vibration, maintainability, redundancy, and failure scenarios.\nSupport the fabrication, assembly, and installation of the engineering solutions.\n\nConduct root cause analysis and troubleshooting of the engineering solutions in case of issues or failures.\n\nResearch and evaluate new technologies and trends in the mechanical engineering field and energy industry.\n\nCommunicate and present the project status, results, and recommendations to internal and external stakeholders.\n\nProvide expertise in technology deep dives, comparisons, and assessments of the general applicability of innovative technologies in datacenters.\nPerform engineering analysis, simulation, and testing to validate the functionality, performance, and reliability of the technologies and systems under development.\nProvide guidance on compliance with applicable codes and standards, including IEEE standards as well as FERC and NERC rules.\nLead technical development of mechanical architectures and equipment requirements that system performance for mission-critical datacenter loads.\nPartner across utility, grid, policy, and infrastructure teams to interpret emerging needs and requirements, translate them into technical standards, and influence practical implementation pathways across regions.\nGuide the technical evaluation of enabling technology solutions using a system-level approaches that improve datacenter performance.\nChampion innovative technical principles and forward-looking technologies related to industry trends and advances in various engineering fields related to energy systems. Develops and shares new and unique technical knowledge.\n\nCollaborate with Microsoft engineering, operations, commercial, and external supplier ecosystems to pilot, validate, and scale power generation technologies and systems through solutions that are technically robust and operationally feasible.\nProvide technical leadership through influence, architecture, mechanical reviews, risk management, and clear communication, helping align stakeholders and guide decisions in a strategically important power systems capability area.\nQualifications\nQualifications:\nDoctorate in Mechanical Engineering, or related field AND 3+ years related technical engineering experience OR Master's Degree in Mechanical Engineering, or related field AND 4+ years related technical engineering experience OR Bachelor's Degree in Mechanical Engineering, or related field AND 6+ years related technical engineering experience OR equivalent experience.\n\nOther Requirements:\nAbility to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:\nMicrosoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.\nPreferred Qualifications:\nDoctorate in Mechanical Engineering, or related field AND 5+ years related technical engineering experience OR Master's Degree in Mechanical Engineering, or related field AND 8+ years related technical engineering experience OR Bachelor's Degree in Mechanical Engineering, or related field AND 12+ years related technical engineering experience\nOR equivalent experience.\nExpertise in energy systems, power generation, power grid infrastructure, or closely related aspects of distributed power system design and operation.\n\nDemonstrated experience leading complex, cross-functional technical programs and influencing decisions across engineering, operations, commercial, and external stakeholders.\n\nGood knowledge of applicable codes, grid requirements, protection practices, and standards relevant to energy systems.\n\nProven ability to communicate technical strategy clearly to executive leaders and mixed audiences, including the ability to guide teams through ambiguity, tradeoffs, and implementation challenges.\n\nDemonstrated ability to use AI and digital tools to improve engineering workflows, decision quality, and business processes.\n\nSignificant experience in datacenter, utility, industrial, or other mission-critical power environments, with a record of driving technical strategy and execution for complex mechanical infrastructure challenges.\n\nHave a track record of influencing across large, matrixed organizations without direct authority as well as mentoring other engineers through technical leadership.\n\nDemonstrate strong judgment in balancing technical rigor, scalability, risk, and implementation practicality in ambiguous environments.\n\nPossess the skills to work in a fast-paced, multi-project environment while balancing strategic priorities with execution needs.\n\nMechanical Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.\nCertain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:\nhttps://careers.microsoft.com/us/en/us-corporate-pay\nThis position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.\nMicrosoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. 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