Critical Facilities Technician

JLL • Hazelwood, MO

1d • Onsite

About The Position

The Critical Facilities Technician is responsible for operating, troubleshooting, repairing, maintaining, and servicing systems required for continuous operation of data center facilities. The role oversees electrical and mechanical systems, performs daily inspections and maintenance, follows safety and regulatory requirements, escorts vendors, supports development of work processes and risk assessments, and keeps facility documentation current. The position is onsite in Hazelwood, Missouri, and is full-time with rotating 12-hour day and night shifts. It includes rotating on-call coverage 24 hours a day, seven days a week, depending on business needs.

Requirements

• High school diploma or GED equivalent, technical training, or degree.
• Three or more years of related work experience in a technical or critical-environment operation.
• Technical knowledge of mission-critical systems, including HVAC, standby emergency power, UPS, computer-room air conditioning and air handling, associated infrastructure, and system interdependencies.
• Strong understanding of mission-critical system operations, maintenance, engineering, and design principles, practices, and procedures.
• Ability to assess building and infrastructure status, diagnose and troubleshoot alarms, solve technical problems, and handle varied situations.
• Advanced analytical and quantitative skills.
• Ability to work rotating 12-hour day and night shifts and participate in rotating on-call coverage.
• Must be authorized to work in the United States without sponsorship.

Nice To Haves

• Operating Engineer or other applicable licenses.
• Universal CFC licenses.
• Certified Mission Critical Operator (CMCO) certification.
• Experience with electrical systems and equipment, including UPS, automatic and static transfer switches, power distribution units, generators and controls, fuel systems, switchgear, transfer and paralleling gear, lighting, and energy conservation.
• Experience with mechanical systems, including chillers, pumps, cooling towers, water treatment, air handling units, computer-room air conditioning and air handlers, and plumbing.
• Experience with fire and life-safety systems, including dry- and wet-pipe suppression, gaseous suppression, early-warning fire detection, and VESDA.
• Experience with environmental control systems, including BMS, DDC, Foreseer, and pneumatics.
• Construction and building-maintenance skills involving painting, doors, locks, walls, and ceilings.
• Familiarity with Data Center Infrastructure Management (DCIM) platforms.

Responsibilities

• Operate, troubleshoot, repair, maintain, and service systems that support continuous data center operations.
• Oversee electrical and mechanical systems, including UPS systems, generators, chillers, electrical distribution, HVAC, Building Management Systems (BMS), and CMMS work.
• Perform daily site inspections of mechanical and engineering systems and technical equipment, including servicing and maintenance.
• Complete assigned work according to established processes and procedures while following safety processes and PPE requirements.
• Ensure regulatory requirements and quality standards are met.
• Escort vendors during site visits and ensure site standards are met.
• Help build and develop work processes, Job Hazard Analysis reports, and SOPs for critical work, including risk assessment.
• Keep documents and logbooks updated.
• Provide rotating on-call coverage as business needs require.

Benefits

• 401(k) plan with matching company contributions.
• Comprehensive medical, dental, and vision care.
• Paid parental leave at 100% of salary.
• Compensation for holidays worked.
• Night-shift pay differential.
• Paid time off and company holidays.
• Early access to earned wages through Daily Pay.
• Supportive culture and benefits that prioritize mental, physical, and emotional health.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED