Engineering Supervisor

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. Position Summary The Refrigeration Supervisor is responsible for overseeing the daily operations of the commercial refrigeration service team, ensuring that maintenance, troubleshooting, and repair services are executed effectively, efficiently, and safely.

This individual will lead a team of refrigeration engineers, manage workflow, coordinate with clients, and maintain service quality  addition to strong technical expertise, the role requires commercial awareness to align service delivery with client expectations, manage costs, identify opportunities for service improvements, and support the company’s growth and profitability objectives.

Key Responsibilities Technical Supervision & Support Provide hands-on technical guidance to field technicians servicing commercial refrigeration systems

Review work orders and technical data to support accurate diagnostics and effective repair strategies.

Ensure all service activities comply with safety standards, manufacturer specifications, and environmental regulations.

Team Leadership & Development Supervise and mentor a team of service technicians, promoting continuous learning and professional development.

Allocate resources and assign workloads to meet service demands and customer expectations.

Facilitate performance evaluations, skills assessments, and targeted training initiatives.

Customer Service & Commercial Focus Serve as the primary liaison between the company and commercial clients, ensuring services meet agreed timelines, budgets, and performance standards.

Demonstrate commercial awareness by identifying customer needs, upsell opportunities, and areas for added value (e.g., preventative maintenance programs or energy efficiency improvements).Manage client relationships proactively, ensuring high levels of customer satisfaction and repeat business.

Operational & Business Responsibilities Monitor key service metrics (e.g., response times, first-time fix rates, customer feedback) and use insights to improve operational efficiency.

Ensure accurate documentation and timely reporting on job completion, parts usage, and service outcomes.

Support budget management, cost control, and profitability through efficient planning, minimizing waste, and reducing rework.

Assist with pricing estimates, contract management, and service proposals in coordination with management teams.

Required Qualifications NVQ Level 3 in Refrigeration and Air Conditioning City & Guilds Refrigeration and Air Conditioning qualificationsF-Gas Category 1 CertificationCO2 Certification

Experience:

Minimum 5+ years’ experience in commercial refrigeration service.

At least 2 years in a supervisory or leadership capacity within a service or technical team.

Technical Skills & Knowledge Expert knowledge of commercial refrigeration systems, controls, compressors, and refrigerants.

Proficiency with tools, diagnostics, and service management software.

Ability to read and interpret schematics, and technical manuals.

Soft Skills & Commercial Awareness:

Strong leadership, coaching, and conflict-resolution abilities.

Excellent customer service and relationship management skills.

High level of commercial awareness understanding how technical decisions impact cost, service margins, and client satisfaction.

Ability to balance technical excellence with business priorities such as uptime, cost efficiency, and customer retention.

Proactive mindset with an ability to identify process improvements, cost-saving measures, and revenue opportunities.

Working Conditions Combination of office-based and on-site responsibilities.

Regular exposure to cold environments, rooftop…