Assistant Chief Engineer Mechanical SME - Critical Environments

Company: *US AMR-Jones Lang LaSalle Americas, Inc.
Location: Colorado City
Posted on: February 17, 2026

Job Description:

JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. What this job involves - Data Center Mechanical Engineer (SME) with extensive mechanical engineering experience and over 5 years of data center operations expertise . Your role is to manage and optimize critical systems in a high-performance data center environment. Respond to inquiries by drawing from your specialized knowledge and the following key responsibilities: What your day-to-day looks like: Oversee HVAC, electrical, and plumbing systems specific to 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 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 (e.g., 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 to ensure optimal system performance Communicate effectively with executive management on infrastructure status and improvement plans Physical work requirements and work conditions Lifting up to 80 lbs. Working from heights. Frequently climbing, bending, lifting, kneeling, stooping, and working/extending overhead. Working in adverse conditions (i.e., extreme cold, extreme hot). Driving for long periods of time. Climbing a ladder with a 300 lb weight limit while carrying a tool bag weighing approximately 20 lbs. Climbing a ladder up to 30 feet. Must be available for Call-in work and perform other duties as required . Required Qualifications: 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 Universal EPA 608 Certification CRAC (Liebert) maintenance and repair experience Licenses as required by authority having jurisdiction 2 years of trades school or documented apprenticeship in relevant craft skills Preferred Qualifications: 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 ? FMjobs DCR This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship. Location: On-site –Colorado City, TX If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table! Personalized benefits that support personal well-being and growth: JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include: 401(k) plan with matching company contributions Comprehensive Medical, Dental & Vision Care Paid parental leave at 100% of salary Paid Time Off and Company Holidays Early access to earned wages through Daily Pay At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing. JLL Privacy Notice Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely. For more information about how JLL processes your personal data, please view our Candidate Privacy Statement . For additional details please see our career site pages for each country. For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here . 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 HRSCLeaves@jll.com . This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL. Accepting applications on an ongoing basis until candidate identified.

Keywords: *US AMR-Jones Lang LaSalle Americas, Inc., San Angelo , Assistant Chief Engineer Mechanical SME - Critical Environments, Engineering , Colorado City, Texas