Principal Facilities Engineer

Hims & Hers is seeking an experienced Principal Facilities Engineer to support critical facility and utility systems at its Mesa, Arizona site, a regulated pharmacy/manufacturing facility operating under cGMP requirements.

The ideal candidate will serve as the on-site engineering authority during the Wednesday–Sunday shift, working hand-in-hand with the Maintenance team as the engineering point of contact whenever an issue arises.

Responsibilities:

• Serve as the on-site engineering lead for facility systems (HVAC, electrical distribution, compressed air, purified/RO water, EMS, BMS/BAS, generators, fire/life safety) during the Wed–Sun shift.
• Review and redline design drawings, P&IDs, and specifications for new construction, renovation, and equipment installation projects to ensure code compliance, GMP suitability, and operational fit.
• Engage with HVAC design during construction, evaluating equipment specifications and system selection to confirm the right systems are chosen and correctly installed against the facility's URS and regulated environment requirements.
• Apply psychrometric analysis specific to the region's climate to validate HVAC system design, capacity, and performance.
• Develop and maintain utility system design standards and basis-of-design documentation for the site.
• Engage with vendors on existing equipment to optimize settings, evaluate upgrade opportunities, and improve system reliability.
• Provide on-site technical oversight during installation of facility and utility systems, serving as the point of contact between Hims & Hers and external vendors/contractors.
• Lead or support commissioning and qualification activities (IQ/OQ/PQ) for critical equipment and utility systems in the regulated environment.
• Manage acceptance testing, punch list closeout, and system turnover to operations for construction and capital projects.
• Ensure facility equipment and utility systems remain qualified and compliant with cGMP, FDA 21 CFR Part 210/211, and applicable state and local regulations.
• Coach and support Maintenance Technicians on shift for system upkeep, preventive maintenance execution, and downtime/excursion remediation.
• Lead root cause investigations for equipment failures or excursions affecting GMP-relevant systems; partner with Quality on CAPAs and change controls.
• Manage change control processes for modifications to critical facility/utility systems, including impact assessments and requalification needs.
• Respond to critical alarms and emergency events (HVAC excursions, environmental excursions, power loss, water system failures) during shift hours and off-hours, escalating and documenting appropriately.
• Maintain accurate documentation: SOPs, work instructions, as-built records, validation records, and regulatory files.
• Ensure ongoing compliance with OSHA, EPA, NFPA, and local building/fire codes.
• Participate in EHS programs and support internal audits and regulatory inspections as a technical resource for facility and utility systems.
• Manage relationships with contractors and vendors for specialized maintenance, calibration, and capital project work.
• Support capital improvement and equipment installation projects , scoping, contractor coordination, and commissioning.
• Work cross-functionally with Operations, Maintenance, Quality, and Validation teams to align facility and utility performance with operational needs.

Requirements:

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, or a related field; equivalent hands-on experience considered in lieu of a degree.
• 8-10 years of facilities engineering experience, including at least 7+ years in a GMP-regulated pharmaceutical, biotech, or manufacturing environment.
• Working knowledge of cGMP, FDA 21 CFR Part 210/211, and validation lifecycle documentation (IQ/OQ/PQ).
• Hands-on experience with critical building systems: HVAC (including cleanroom/controlled environments), electrical distribution, compressed air, purified water/WFI systems, environmental monitoring systems (EMS), and building automation (BMS) platforms.
• Ability to read and interpret engineering drawings, P&IDs, equipment specifications, and design documents.
• Experience coordinating with Maintenance teams on PM program execution and/or managing contractors.
• Strong troubleshooting skills and the ability to respond calmly and effectively to facility emergencies.
• CMMS familiarity (e.g., Maximo, UpKeep, MaintainX) preferred.
• Proficiency in Microsoft Office (Word, Excel, PowerPoint); familiarity with CAD tools (AutoCAD or equivalent) is a plus.
• PE licensure is not required.
• Must be able to work the scheduled shift , Wednesday–Sunday, 2:00 PM – 10:00 PM , with flexibility for on-call/emergency response outside scheduled hours (regular hours can adjust/shift when responding to on-call/emergency situations).
• Ability to lift up to 50 lbs, stand/walk for extended periods, work in mechanical rooms and at heights (ladders/lifts), and wear required PPE in varying temperatures, noise levels, and controlled/cleanroom environments.

Benefits:

• Competitive salary & equity compensation for full-time roles
• Unlimited PTO, company holidays, and quarterly mental health days
• Comprehensive health benefits including medical, dental & vision, and parental leave
• Employee Stock Purchase Program (ESPP)
• Employee discounts on hims & hers & Apostrophe online products
• 401k benefits with employer matching contribution
• Offsite team retreats