Critical Facility Engineer IV

Company: Pennant Solutions Group
Location: Chicago
Posted on: February 15, 2026

Job Description:

Job Description Job Description Pennant Solutions Group is hiring! About the Client Dedicated to enabling a more connected future through high-performance data centers and industry-leading interconnection solutions. As a trusted partner in digital transformation, their strategically located facilities and innovative services help organizations connect, collaborate, and scale in a rapidly evolving technological landscape. Their culture is rooted in operational excellence, innovation, and teamwork. They foster a collaborative, inclusive environment where every employee is valued, successes are celebrated, and ownership is encouraged at every level. They’re creating a community of forward-thinking professionals committed to solving complex challenges and delivering exceptional customer experiences. The team is committed to excellence, building strong connections, taking ownership, doing what’s right, having fun, and winning together. Join a team that is shaping the future of digital infrastructure while supporting your career growth and success. Critical Facility Engineer IV The Data Center Technician IV is an expert-level role responsible for maintaining the operational integrity and regulatory compliance of all electrical, mechanical, fire life safety, and communications systems within the data center. Shift: Night Shift | 10:00pm – 6:30am | Tuesday – Saturday Key System Responsibilities Mechanical Systems: Chilled water systems, HVAC units (roof-top units, CRAC/CRAH), and humidification systems. Electrical Systems: Power distribution from utility/generator switchgear through UPS systems to the customer load. Fire Life Safety: Wet and pre-action sprinkler systems and associated detection equipment. Communications Infrastructure: IFD/MDF/MMR environments, structured cabling, supporting infrastructure, and customer space management. The technician will work closely with the Data Center Manager to ensure all systems operate at peak efficiency, issues are resolved quickly, and customer uptime is maximized. This senior-level role develops creative, cost-efficient solutions, improves operational processes, and supports ongoing system enhancements. Duties & Responsibilities Serve as the subject matter expert for electrical, mechanical, controls, and fire life safety systems. Monitor, operate, maintain, and respond to abnormal conditions across critical facility systems. Track and trend operational data to identify issues and improvements. Mentor junior team members. Partner with the Data Center Manager to execute preventive and predictive maintenance programs. Recommend new technologies and efficiency improvements to maximize operational performance. Prevent unplanned customer-impacting outages by proactively managing infrastructure. Oversee mechanical loading and cooling efficiency on the data floor and in support areas. Provide mechanical and integrated controls expertise for facility systems. Interpret and apply fire codes and electrical regulations. Draft and refine procedures for preventive and corrective maintenance activities. Assist with management of maintenance discrepancies and operational priorities. Manage trouble tickets, work orders, and infrastructure projects. Support cage build-outs, overhead installations, and rack/stack activities. Use the CMMS system to track and document all work. Assist with inventory management and equipment labeling. Ensure timely completion of tasks in alignment with Service Level Agreements. Provide physical security within the client premises. Deliver outstanding day-to-day customer service. Escalate incidents appropriately and provide detailed reporting. Conduct facility and security tours, documenting and resolving issues. Uphold and promote the client’s operational principles, culture, and guiding values. Knowledge Requirements Expert understanding of mechanical and electrical data center systems including power distribution, generators, transformers, UPS, switchgear, chilled water systems, CRAC/CRAH units, and fire life safety systems. Strong expertise in NEC, NFPA 70E, NFPA 72, NFPA 25, and applicable building codes. In-depth knowledge of fiber optics, structured cabling, and best practices. Strong understanding of safety protocols such as LOTO, arc flash, and OSHA requirements. Proficiency with data trending, tracking, and integrated monitoring systems. Skills & Experience 5–7 years of experience installing, maintaining, or troubleshooting large industrial systems, including chilled water systems, chillers, cooling towers, pumps, HVAC, diesel generators, UPS systems, and more. Demonstrated leadership skills. Expert experience installing, dressing, and terminating fiber and copper cabling. Experience diagnosing and repairing servers, IT hardware, and network switches. Strong written and verbal communication skills; proficient with Microsoft Office Suite. Abilities Communicate effectively with customers, team members, and contractors. Supervise vendors performing maintenance or upgrades. Learn quickly and adapt to issues that arise during or after business hours. Work within a strict, process-driven environment. Analyze complex problems logically and efficiently. Manage multiple projects simultaneously. Operate hand tools and electrical tools such as multimeters and infrared cameras. Education & Additional Requirements Bachelor’s degree in Mechanical or Electrical Engineering, or equivalent experience. 5 years of experience in mechanical/electrical roles within critical environments (data centers, hospitals, or power plants preferred). Ability to pass a thorough background check including criminal, employment, education, DMV, and credit review. Physical Requirements Stand, walk, or sit for 1/3–2/3 of the time. Ability to climb, balance, stoop, kneel, crawl, and crouch. Ability to use hands for typing and handling equipment. Ability to see close, distance, and color ranges. Comfortable working in a fast-paced, high-stress environment with shifting priorities. Willingness to work nights, weekends, holidays, or on-call as needed. Ability to lift up to 50 lbs for 1/3 of the time. Compensation Hourly rate: $43.00–$46.00/hr Eligible for annual bonus and equity based on individual and company performance. Benefits First-day medical coverage (Cigna), dental (Delta Dental), and vision (VSP) Telemedicine via MDLive FSA and HSA plans Company-paid life, AD&D, short-term and long-term disability Supplemental insurance options 401(k) with a 5% company match Annual bonus and equity incentive opportunities Employee stock purchase plan with 15% discount Generous PTO, holidays, and leave programs Free parking or transit stipend Wellness reimbursement ($500 employee / $300 dependents) Wellness incentive program (earn up to $450/year) Monthly technology stipend ($100) Educational reimbursement (up to $5,250 per year) Charitable donation matching (up to $5,000 annually) Financial coaching and student loan tools Pet insurance Family planning benefits (fertility, pregnancy, adoption, etc.) Employee Assistance Program and mental health support Caregiving support tools Referral bonus program Discounts and perks through partner brands LinkedIn Learning membership

Keywords: Pennant Solutions Group, Naperville , Critical Facility Engineer IV, Engineering , Chicago, Illinois