Senior Facility Engineer - Critical systems (Data Center)

Senior Facility Engineer-Critical Systems

Apex Systems is looking for Senior Facility Engineers-Critical Systems. These will be M-F positions during core hours and potentially on the weekends. Pay rates will range from $40-$55/hr based on qualifications and experience.

Position Summary

We are seeking a highly skilled Senior Facility Engineer to support the operation, maintenance, and optimization of critical infrastructure systems in a high-availability data center environment. This role encompasses expertise in UPS systems, diesel generators, centrifugal chillers, HVAC systems, and mechanical components such as pumps and motors. The ideal candidate will be a hands-on technician with strong diagnostic capabilities, a commitment to safety, and a proactive approach to system reliability and performance.

Key Responsibilities

• Perform preventative and corrective maintenance on UPS systems, with emphasis on Schneider Electric and Delta platforms.
• Conduct inspections, capacity testing, and Battery Monitoring System (BMS) baseline resets for lithium-ion battery systems.
• Analyze BMS data (voltage, current, temperature, resistance) to identify and resolve performance issues.
• Execute battery replacements and disposal procedures per global standards.

• Maintain and repair diesel generators, including high-horsepower units (500 kW+), preferably Cummins.
• Conduct monthly inspections, troubleshoot alarms, and verify fuel delivery and spill kit staging.
• Use OEM diagnostics and escalate unresolved issues appropriately.

• Operate and maintain HVAC systems including adiabatic air handlers, CDUs, split systems, VAVs, fan power boxes, exhaust fans, CRACs, and CAHUs.
• Perform diagnostics, inspections, and condition assessments using Building Automation Systems (BAS).
• Ensure HVAC systems meet operational and safety standards.

• Maintain and repair centrifugal chillers, with emphasis on Trane systems.
• Conduct eddy current testing, monitor refrigerant levels, and track evaporator approach temperatures.
• Document irregularities and escalate issues per global maintenance protocols.

• Perform diagnostics and maintenance on sump, centrifugal, and submersible pumps, as well as motor systems.
• Inspect bearings, perform IR scans, and apply run-to-fail (R2F) strategies where appropriate.
• Support Fin Fan unit operations and mechanical system reliability.

• Ensure all work complies with OSHA, NFPA 70E, and internal safety standards.
• Maintain accurate records in CMMS and change management systems using designated task codes.
• Collaborate with CE Managers and cross-functional teams to support infrastructure reliability and continuous improvement.
• Participate in technician hiring processes and ongoing training programs.

Required Qualifications

• 5+ years of experience in critical infrastructure environments (e.g., data centers, hospitals, refineries, pharma, manufacturing).
• Hands-on experience with UPS systems, diesel generators, HVAC, chillers, and mechanical systems.
• Strong understanding of electrical and mechanical diagnostics, fluid dynamics, heat exchange, and vibration analysis.
• Ability to interpret electrical drawings, system schematics, and OEM documentation.
• High school diploma, GED, or equivalent.
• Basic proficiency with Microsoft Office (Outlook, Excel, Word).
• Ability to work independently and escalate issues appropriately.
• OSHA or OSHA-approved NFPA 70E Certification.

Preferred Qualifications

• Experience with Schneider Electric, Delta, Trane, and Cummins platforms.
• Familiarity with BAS, EPMS, and CMMS systems.
• Completion of relevant technical certifications or manufacturer training.
• Qualified Electrical Worker designation.
• Certification in mechanical or electrical systems.
• Knowledge of National Electrical Code (NEC) and local regulatory compliance.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at employeeservices@apexsystems.com or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.