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JLLPosted 1 week ago

Sr. Mechanical Building Engineer - Critical Environment

On-siteSpartanburg, South Carolina, United States

Full TimeSenior LevelEnterprise

Job Summary

Lead comprehensive operations and maintenance of critical mechanical infrastructure including HVAC systems, chillers, CRAC/CRAH units, cooling towers, and air handling systems. Oversee complex chilled water systems, pumps, valves, piping networks, and filtration networks to maintain optimal environmental conditions for mission-critical operations. Execute advanced diagnostics and root cause analysis on sophisticated mechanical equipment failures, implementing sustainable solutions while applying engineering principles to design cooling solutions optimized for high-density server environments. Serve as the primary escalation point for Level 1 and Level 2 mechanical issues requiring advanced technical expertise and critical problem-solving. Develop and execute comprehensive preventive maintenance schedules that ensure 100% uptime and peak performance across all mechanical infrastructure. Analyze mechanical system performance data and implement optimization strategies that reduce Power Usage Effectiveness and enhance sustainability. Mentor and guide junior mechanical technicians and engineers, fostering technical excellence and professional development within the team. Coordinate complex mechanical infrastructure projects including system upgrades, expansions, and integration of cutting-edge technologies.

Required Qualifications

  • Minimum 5 years of hands-on technical experience in critical facility mechanical engineering with expertise in HVAC, plumbing, and production equipment
  • At least 3 years of specialized experience in data center or raised floor environments with complex cooling requirements
  • Advanced technical knowledge of CRAC/CRAH systems (Liebert preferred), chillers, and comprehensive cooling infrastructure operations
  • Current Universal EPA 608 Certification demonstrating expertise in refrigeration and environmental compliance
  • Strong analytical and problem-solving capabilities for diagnosing and resolving complex mechanical system challenges
  • Demonstrated leadership and mentoring experience with ability to guide technical teams and drive operational excellence
  • Excellent verbal and written communication skills for creating technical documentation, training programs, and stakeholder reporting
  • Physical capability to lift up to 80 pounds, work at heights up to 30 feet, and operate in extreme temperature conditions and confined spaces
  • Availability for emergency response calls, holiday coverage, and varied schedules as critical operations demand
  • Candidates must be authorized to work in the United States without sponsorship

Desired Qualifications

  • Bachelor's degree in Mechanical Engineering or equivalent technical education with focus on HVAC and building systems
  • Specialized expertise in Central Utility Plant Operations and advanced building automation systems integration
  • Professional mechanical engineering license or industry-recognized advanced technical certifications
  • Comprehensive experience with computerized maintenance management systems for large-scale facility operations
  • Knowledge of fire and life safety systems integration with mechanical equipment and emergency protocols
  • Proven experience with energy management systems and successful implementation of sustainability initiatives that reduce environmental impact

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