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Open nowPosted 5 hours ago

Compressors and Chillers Operations & Maintenance Technician

LotusWorks82 open roles

Where
Chandler, Arizona, United States
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Your applicationOpen nowCompressors and Chillers Operations & Maintenance TechnicianLotusWorks · Chandler, Arizona, United States

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The clock on this job

Early applications get read.

13.8% of postings close within 7 days. Measured by our own scanner across the market. LotusWorks postings stay open a median of 25 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.7%3 days
  3. 13.8%7 days
  4. 22.3%14 days
  5. 37.8%30 days
  6. 59.0%60 days
This job: posted 5 hours ago

LotusWorks median: 25 days open

The posting

LotusWorks is an Engineering Services provider specializing in managing Commissioning, Construction Services, Calibration, Operations & Maintenance scopes of work within global manufacturing facilities. LotusWorks operates globally across EMEA and North America partnering with the world's leading manufacturers across the Semiconductor, Pharmaceutical & Biologics, Medical Device and Data Center sectors. Our team of Engineering and Technical professionals is immersed in cutting-edge technologies and innovations. LotusWorks is committed to a diverse and inclusive workplace, integral to our people-first approach.

We are seeking an experienced Mechanical Operations & Maintenance Technician to support the operation, maintenance, and reliability of systems in a mission-critical environment. The ideal candidate will have a strong background in performing preventive and corrective maintenance across a range of mechanical equipment including chillers, cooling towers, and compressors. This role ensures safety, compliance, and consistent system readiness to support client and facility operations.

Responsibilities:

  • Perform preventive and corrective maintenance on chillers, cooling towers, and compressors in accordance with OEM requirements, internal standards, and best practices.
  • Execute all scheduled maintenance (quarterly, semi-annual, annual, multi-year) per defined intervals, ensuring proper documentation, coordination, and operational readiness.
  • Conduct annual chiller PMs during low-load months and ensure all units are fully operable before seasonal demand periods.
  • Complete semi-annual chiller PMs approximately five to seven months apart from annual PMs to maintain performance and reliability.
  • Perform quarterly and annual maintenance on cooling towers, including drift eliminator inspections and system condition reporting.
  • Ensure all inspections are performed and documented within the required timeframes and maintenance windows.
  • Immediately report any major equipment failures or safety-related findings to site leadership.
  • Conduct compressor PMs (semi-annual and annual) to maintain reliability and minimize downtime, ensuring only one unit is offline at a time unless otherwise coordinated.
  • Coordinate system outages and handoffs with operations teams to avoid process or production impacts.
  • Perform full Lockout/Tagout (LOTO) procedures prior to maintenance, verify zero-energy state, and safely restore systems upon completion.
  • Execute corrective maintenance as needed, including troubleshooting, parts replacement, and performance verification.
  • Complete all in-scope repairs such as oil and filter changes, refrigerant filter/dryer replacements, instrumentation calibration, leak repairs, insulation or paint touch-ups, and electrical or mechanical troubleshooting.
  • For repairs requiring refrigerant removal, obtain approval, provide detailed cost estimates, and perform work only after authorization.
  • Follow all EPA and environmental compliance standards for refrigerant handling, recovery, and documentation.
  • Ensure all refrigerant boundary repairs are leak-tested and verified prior to system restart.
  • Properly contain and dispose of oil, filters, and waste materials to prevent environmental or system alarms.
  • Use OEM-specified materials and components unless otherwise approved.
  • Maintain a spare parts inventory of critical items (e.g., fan-train components, vibration switches, oil switches, belts, motors) to support rapid response and minimize system downtime.
  • Support reliability and uptime by performing regular system inspections, trending performance data, and escalating abnormal conditions.
  • Participate in root cause analysis (RCA) and reliability improvement initiatives for repeated failures.
  • Document all work activities, labor hours, materials, and as-found/as-left conditions in the CMMS (Maximo, eMaint, SAP PM, or equivalent).
  • Generate and submit inspection reports, PM closeouts, and cost summaries as required.
  • Comply with all site safety requirements, including PPE use, elevated work, confined space entry, and environmental controls.
  • Coordinate closely with team leads, maintenance planners, and engineers to ensure safe and effective execution of all tasks.
  • Maintain professionalism, cleanliness, and strong communication throughout all maintenance activities.
  • Participate in technical and safety training to maintain or expand qualifications.
  • Achieve zero safety incidents, complete all PMs on time, maintain LOTO compliance, and ensure thorough documentation across all assigned systems.
  • Perform other duties and responsibilities as assigned.

Skills Required:

  • 2–5 years’ hands-on experience in operations and maintenance within mission-critical or industrial facilities.
  • Broad technical knowledge of mechanical systems including chillers, cooling towers and compressors.
  • Ability to troubleshoot, maintain, and escalate issues with equipment and systems effectively.
  • Knowledge of environmental, health, and safety standards in mission-critical environments.
  • Strong communication and collaboration skills for working with engineers, vendors, and operations staff.
  • Attention to detail with accurate documentation and monitoring of system performance.
  • Ability to remain proactive and responsive in fast-paced, high-stakes environments.

Education / Licenses / Certifications

  • High School Diploma or equivalent, required.
  • Associate’s, Bachelor’s degree or technical certificate in a related field preferred but not required.
  • Proof of education, licenses, and certifications will be required where applicable.

Benefits:

  • Medical, Dental and Vision Insurance
  • Life, Short-Term, Long-Term Disability Insurance
  • Training and Education Assistance
  • 401k Retirement Plan
  • Extra Annual Leave with Years of Service
  • Maternity/Paternity Leave
  • Recognition Rewards

#INDHP

#LI-DNI

LotusWorks is an equal opportunity employer and prohibits discrimination and harassment of any kind. We are committed to creating a diverse and inclusive workplace where all employees feel valued, respected, and empowered.

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