Demo

Lead Engineer - Critical Environments ( Night Shift)

JLL
San Antonio, TX Full Time
POSTED ON 11/8/2025
AVAILABLE BEFORE 11/30/2025
Schedule : Night Shift

Wat this Job involves :

Lead Engineer is responsible for delivery of best practice systems and problem resolution on all data center electrical and mechanical infrastructure (UPS, MV electrical systems, generators, cooling systems etc.). This role will perform and assist in identification and implementation of OM&F strategies to ensure safe, reliable, and efficient Buildings, Building Systems, and equipment.

What is your day to day?

  • Responsible for maintaining, monitoring, and performing preventive maintenance and continuous operation of all building systems to maintain 100% Up-time including: fire/life safety, mechanical systems such as (HVAC, chillers, crac, crah, plumbing, controls), electrical including emergency backup systems such as (lighting, UPS, ATS, STS, PDU, generators, primary switchgear, power distribution, transformers), and hot water systems. Monitors operation, adjusts, and maintains refrigeration, chilled water, and air conditioning equipment; boilers, and ventilating and water heaters; pumps, valves, piping, and filters; other mechanical and electrical equipment. Must record readings and make and adjust where necessary to ensure proper operation of equipment. 
  • Requires the ability to analyze the operation of various systems, determine the cause of any problems/malfunctions and take corrective action as required.

Comply with departmental policy for the safe storage, usage, and disposal of hazardous materials. Maintains a clean and safe workplace.

  • Learn and understand the data center site in-order to manage incidents and events that put the critical systems at risk.
  • Work order management, including CMMS, Vendor Management, and Customer Facing Tickets.
  • Understanding and complying with emergency escalation procedures.
  • Perform additional job duties as required.

Physical Work Abilities & Requirements:

This position requires frequent walking, climbing, bending, kneeling, lifting, stooping, and working/extending overhead, including:

  • Walking large, campus-like settings.
  • Lifting a minimum of 50 lbs.
  • Climbing stairs and navigating rooftops to access equipment.
  • Using ladders up to 30 ft and working from heights.
  • Ability to Climb a ladder with a 300-lb weight limit.
  • Must be able to work different schedules.
  • Must be able to work Holidays.
  • Must be able to respond to site emergencies.

Required

Desired experience and technical skills

  • 4 years experience working in a data center/critical facility.
  • Experience with building systems, including: UPS systems, emergency generators, and switchgears.
  • Demonstrated verbal/written communication skills.
  • Ability to effectively use computer applications including MS Office (Word, Excel, Outlook), Google Suite and CMMS.

Preferred

  • Corrigo experience
  • Universal EPA 608 certification
  • Trained in NFPA70E

Salary.com Estimation for Lead Engineer - Critical Environments ( Night Shift) in San Antonio, TX
$97,710 to $119,459
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