{"id":546002,"url":"https://alion.io/job/johnsoncontrols-senior-staff-thermal-systems-engineer","title":"Senior Staff Thermal Systems Engineer","company":{"id":448321,"name":"Johnson Controls","domain":"johnsoncontrols.com","url":"https://alion.io/company/johnsoncontrols-3","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":81,"open_postings":507,"ghost_share":0.002,"stale_share":0.73,"repost_share":0.01,"time_to_fill_p50_days":33,"computed_at":"2026-11-04T06:34:25Z"}},"role":"DevOps","role_family":"DevOps","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New Freedom, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":119000,"max_usd":231000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":589},"experience_years_min":14,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Simulink","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-01-20T00:00:00Z","employer_posted_date":"2026-01-20","last_verified_at":"2026-11-05T02:27:54Z","board_verified":true,"closed_at":null,"days_open":289,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":288},"description":"What you will do\nJohnson Controls’ Data Center Product Architecture team is seeking a Senior Staff Data Center Thermal Systems Engineer for the Advanced Technology & Innovation group. You will be a technical and business leader with business unit influence. You’ll drive long-range planning for business unit thermal products, champions thermal technology initiatives across Data Center Solutions, and defines integration standards ensuring modular thermal stack interoperability. You will be considered a system architect and recognized expert across thermal, controls, electrical, and mechanical domains with industry knowledge. This position is based onsite, minimum 3 days per week, at our Advanced Technology and Innovation Center located in New Freedom, PA. Candidates must be commuting distance to the facility or able to relocate.\nHow you will do it\nDrive long-range planning for business unit thermal products; serve as system architect and global resource for thermal design direction\nDefine integration standards across product lines; ensure modular thermal stack interoperability\nDefine and coordinate product family specifications; establish business unit thermal standards and design guidelines\nChampion thermal technology initiatives across Data Center Solutions; exhibit business unit influence\nSupervise technical team; lead thermal system architecture efforts\nStrategic communicator representing organization for company-wide thermal initiatives; mentor Principal and Staff Engineers globally\nWhat you will need\nRequired\nBachelor's degree in Mechanical Engineering or related discipline\n14+ years experience with multiple released thermal products/systems and recognized throughout division and/or industry\nChiller industry experience, or large industrial HVAC industry experience\nSystem architect for data center thermal solutions\nRecognized expert across thermal, controls, electrical, and mechanical domains\nExpert in multiple technical domains (thermal, controls, electrical, mechanical)\nMicrosoft 365/Excel (including basic macros/VBA for data analysis and reporting)\nCAD proficiency (SolidWorks, Creo, or equivalent)\nEngineering calculations and documentation (MathCAD, EES, or equivalent)\nHeat transfer analysis (conduction, convection, two-phase)\nStrong cross-domain knowledge across thermal, controls, electrical systems-generalists with 80% mastery across domains highly valued\nThermodynamic cycle analysis\nFluid mechanics and hydraulic system design\nThermal system component sizing and selection\nPrototype fabrication and hands-on testing\nCross-functional project execution\nPreferred\nMaster’s degree\nSoftware/Simulation experience\nPython scripting and environment management (package installation, virtual environments, basic automation)\nCFD (ANSYS Fluent, Star-CCM+, OpenFOAM, or equivalent)\nFEA (ANSYS Mechanical, Abaqus, or equivalent)\nMATLAB/Simulink for system modeling and controls\nControls fundamentals (feedback loops, PID tuning, system response)\nElectrical systems basics (motor sizing, VFDs, power distribution)\nRefrigeration system design and refrigerant properties\nData center cooling architectures (direct liquid cooling, rear-door heat exchangers, CDUs)\nExpert in one or more thermal domains (CDU, chiller, dry cooler, cold plate systems)\nJohnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visitEEO is the Law. 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