Sr. Reliability Engineer

Lennox International; Stone Mountain (GA); On-site; USD 99,000 - 130,000; Full time

Benefits offered by this job

Tuition reimbursement

Medical, dental, and vision insurance

401(k) retirement plan

Paid time off and holidays

Short-term disability

Job summary

Lennox International is seeking a Sr. Reliability Engineer to support data center cooling system reliability from commissioning through field operation in Stone Mountain, GA.

The role blends reliability engineering, predictive maintenance, analytics, and design input to reduce risk and improve uptime. Responsibilities include leading RCM and PdM activities, analyzing field data, and developing Power BI dashboards to monitor availability, MTBF, MTTR, and alarms.

Qualifications

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Reliability Engineering, or a related discipline.
• Experience in reliability engineering, field reliability, maintenance engineering, commissioning, or equipment performance analysis.
• Knowledge of RCM, PdM, FRACAS, root-cause analysis, preventive and condition-based maintenance, asset-health monitoring, and reliability metrics.
• Strong analytical, problem-solving, customer-facing, and cross-functional communication skills.

Responsibilities

• Partner with customers, Service, Commissioning, Engineering, Controls, and Quality to address reliability concerns, field issues, and operational needs.
• Lead RCM and PdM activities, including asset criticality, failure-mode evaluation, FRACAS, root-cause analysis, and preventive, predictive, and condition-based maintenance strategies.
• Analyze operational, alarm, maintenance, commissioning, warranty, and field data to identify degradation, recurring failures, and emerging reliability risks.
• Collect and utilize physics-based data from the Digital Twin, including what-if operating scenarios, to assess system health and support reliability analysis and PdM decisions.
• Utilize Weibull and BlockSim to simulate equipment and system reliability, availability, MTBF, MTTR, downtime, failure behavior, and N+X redundancy/failover performance.
• Evaluate system redundancy and N+X configurations, including single-point failures, failover behavior, backup capacity, recovery performance, and overall system availability.
• Develop Power BI reliability dashboards and track key metrics including availability, downtime, MTBF, MTTR, repeat failures, alarms, and asset health.
• Perform alarm rationalization and alarm analytics, linking alarms to failure modes, consequences, response priorities, and diagnostics.
• Translate customer, field, and reliability insights into actionable recommendations for maintenance, diagnostics, commissioning, service procedures, controls, and product design.

Skills

Reliability engineering

RCM

PdM

FRACAS

Alarm analytics

Power BI

SCADA/CMMS/BMS

Data analytics

Cross-functional comms

Customer-facing

Education

Bachelor's degree in Mechanical or Electrical Engineering

Tools

Weibull

BlockSim

Power BI

Job description

What Drives Success

This Sr. Reliability Engineer supports the reliability, availability, and operational performance of data center cooling systems from commissioning through field operation. The role combines customer-facing reliability support, RCM, predictive maintenance (PdM), operational-data analytics, and system reliability modeling to reduce risk and improve uptime.

DUTIES INCLUDE BUT ARE NOT LIMITED TO:

• Partner with customers, Service, Commissioning, Engineering, Controls, and Quality to address reliability concerns, field issues, and operational needs.
• Lead RCM and PdM activities, including asset criticality, failure-mode evaluation, FRACAS, root-cause analysis, and preventive, predictive, and condition-based maintenance strategies.
• Analyze operational, alarm, maintenance, commissioning, warranty, and field data to identify degradation, recurring failures, and emerging reliability risks.
• Collect and utilize physics-based data from the Digital Twin, including what-if operating scenarios, to assess system health and support reliability analysis and PdM decisions.
• Utilize Weibull and BlockSim to simulate equipment and system reliability, availability, MTBF, MTTR, downtime, failure behavior, and N+X redundancy/failover performance.
• Evaluate system redundancy and N+X configurations, including single-point failures, failover behavior, backup capacity, recovery performance, and overall system availability.
• Develop Power BI reliability dashboards and track key metrics including availability, downtime, MTBF, MTTR, repeat failures, alarms, and asset health.
• Perform alarm rationalization and alarm analytics, linking alarms to failure modes, consequences, response priorities, and diagnostics.
• Translate customer, field, and reliability insights into actionable recommendations for maintenance, diagnostics, commissioning, service procedures, controls, and product design.

#LI-onsite #LI-JM1 #Heatcraft

What We Are Looking For

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Reliability Engineering, or a related engineering discipline.
• Experience in reliability engineering, field reliability, maintenance engineering, commissioning, or equipment performance analysis.
• Knowledge of RCM, PdM, FRACAS, root-cause analysis, preventive and condition-based maintenance, asset-health monitoring, and reliability metrics.
• Strong analytical, problem-solving, customer-facing, and cross-functional communication skills.

Preferred Experience

• Data center cooling, HVAC/refrigeration, CO2/HFC systems, or other mission-critical infrastructure.
• RCM and PdM applications using equipment condition, operational data, and asset-health indicators.
• Weibull and BlockSim reliability tools for simulation of availability, MTBF, MTTR, downtime, failure behavior, and system redundancy.
• Power BI reliability dashboards and operational analytics.
• SCADA, BMS, CMMS, or equipment monitoring systems.
• Alarm rationalization and alarm analytics.
• System redundancy and N+X configurations, failover, backup capacity, and high-availability assessment.
• Customer-facing commissioning, field reliability, or technical support.

What We Offer

Compensation:This is a salaried exempt role. The starting salary range for this role and market is between $99,000 - $130,200 annually. Factors that may affect starting salary include geography/market and the skills, education, experience, and other qualifications of the successful candidate. This position is also eligible for the BroadBase Incentive (BBI) program with a target payout of 2%. Employees in this role are not eligible for overtime.

Location and Schedule: This position is located in Stone Mountain, GAand will be in the office Monday through Friday.

Benefits:

Subject to applicable eligibility requirements, the following benefits are offered for this role:

• tuition reimbursement
• medical, dental, and vision insurance
• prescription drug coverage
• 401(k) retirement plan
• short-term disability insurance
• 8 weeks paid birthing leave
• 2 weeks paid bonding leave
• life and long-term disability insurance

Paid Time Off: Depends on date of hire, and subject to applicable eligibility requirements, new employees in this role also receive up to:

• 12 days paid time off
• 2 paid well-being days
• 1 paid volunteer day
• 9 to 11 paid company holidays depending on the year
• 3 floating holidays per year

Our Culture: At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture – which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member’s contributions. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success.

Come, stay, and grow with us!

Disclaimers: The compensation and benefits information is accurate as of the date of this posting. Lennox reserves the right to modify this information at any time, with or without notice, subject to applicable law.We may use automated tools, including artificial intelligence, to support parts of our hiring process, such as application review and interview scheduling. These tools assist our teams but do not replace human decision-making. If you need an accommodation or have questions, please contact [e-mail].

Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

Heatcraft Worldwide Refrigeration is a long-standing leader in the world of commercial refrigeration, providing climate-control solutions to customers in more than 70 countries. Their state-of-the-art manufacturing facilities in the cities of Stone Mountain and Tifton, Georgia, produce evaporators, condensers, compressor racks, and other top-quality refrigeration products for their five market-leading brands: Bohn, Larkin, Climate Control, Chandler, and InterLink. Heatcraft products are primarily used to preserve food and other perishables in supermarkets, convenience stores, restaurants, warehouses and distribution centers, in addition to other applications such as data centers, pharmaceutical and industrial process cooling.