Mechanical SME

Job Overview

Mechanical SME – Critical Facilities

As a Mechanical Subject Matter Expert (SME) at JLL, you will serve as the technical authority and strategic advisor for complex mechanical systems across a large hyperscale data center, providing consultative support and driving innovation to improve system performance and energy efficiency.

• Oversee HVAC, electrical, and plumbing systems for data center operations.
• Implement and maintain critical environment protocols and Method of Procedure (MOP) processes.
• Conduct regular performance analyses of facility mechanical and electrical systems.

• Apply mechanical engineering principles to improve data center efficiency and reliability.
• Design and implement cooling solutions optimized for high‑density server environments.
• Analyze and enhance airflow management strategies.

• Develop and execute comprehensive preventive maintenance schedules for all critical infrastructure.
• Lead root cause analysis for any system failures or inefficiencies.
• Implement corrective actions and system upgrades based on engineering assessments.

• First point of contact for service‑impacting events involving the mechanical plant.
• Assist in troubleshooting and mitigating incidents, including root cause analysis.
• Provide after‑hours support (24/7 response) for the mechanical plant.

• Propose and implement energy‑saving initiatives to reduce Power Usage Effectiveness (PUE).
• Evaluate and integrate green technologies suitable for data center operations.

• Ensure adherence to industry standards (ASHRAE, ISO) and local regulations.
• Oversee safety protocols and conduct regular safety audits.
• Maintain up‑to‑date knowledge of data center best practices and emerging technologies.

• Mentor and guide a team of facility technicians and engineers.
• Manage complex data center infrastructure projects, including expansions and upgrades.

• Collaborate with equipment vendors and service providers for optimal system performance.
• Communicate effectively with executive management on infrastructure status and improvement plans.

• 4+ years of technical experience in building engineering with a strong background in HVAC, plumbing, electrical, and production equipment repair and maintenance.
• Experience working in data centers/raised floor environment.
• Strong customer service and interpersonal skills.
• Universal EPA
  608 Certification.
• CRAC (Liebert) maintenance and repair experience.
• Licenses as required by authority having jurisdiction.
• Working knowledge of Word and Excel.
• 2 years of trades school or documented apprenticeship in relevant craft skills.
• Valid driver’s license.

• Expertise in one specific craft area (electrical, HVAC, piping/plumbing, central utility plant operations, material handling equipment).
• Familiarity with building automation systems and fire/life safety.

• Lifting up to 80lbs.
• Working from heights and climbing, bending, kneeling, stooping, overhead work.
• Working in extreme cold or hot conditions.
• Driving for long periods.
• Climbing a ladder with a 300lb weight limit while carrying a tool bag (~20lbs).
• Climbing a ladder up to 30ft.
• Availability for call‑in work and performing other duties as required.

On‑site – Amarillo, TX

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process – you may email us at