Night Shift Rack Stack Jobs in Illinois (NOW HIRING)

Pennant Solutions Group is hiring!

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• Hourly rate: $43.00–$46.00/hr
• Eligible for annual bonus and equity based on individual and company performance.

• 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