HVAC Supervisor - Gas Bias in London

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award‑winning services within facilities management, hard services, cleaning, security and catering. Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.

We are an award‑winning employer: Ranked 36th on Glassdoor’s Best Companies to Work For 2025. Digital learning, retail perks, professional growth, flexible pay options, and more.

We are seeking a dedicated professional to join our Mobile Team as a First‑Line Supervisor within a mobile engineering environment. The successful candidate will play a crucial role in overseeing engineering operations, ensuring seamless coordination and support.

Responsibilities will include:

• Supervising the engineering team to maintain efficiency and performance.
• Liaising with clients to foster strong relationships and provide outstanding service.
• Attending meetings to contribute valuable technical insights.
• Providing technical support to the Service Delivery Manager (SDM)/Operations manager.
• Conducting technical audits.
• Supporting the SDM/Operations manager with any other BAU requirements.

This is a hands‑on supervisory role, meaning the candidate will not only lead but also actively participate in core engineering maintenance and reactive works. Excellence in customer service is paramount, ensuring our clients receive top‑tier support and solutions.

As part of the Mobile Team, the successful candidate will oversee and actively contribute to the technical aspects of engineering operations.

Key Responsibilities Include:

• Conduct weekly timesheet reviews, approve overtime and validate technical paperwork and statutory documentation.
• Drive Health and Safety through the delivery of toolbox talks and hazard reporting via Eco Online.
• Monitor sickness levels and carry out return to work interviews in a timely manner. Engage with SDM about any sickness that needs further escalation to HR.
• Act as the designated super user for handheld devices, providing training and guidance to engineers on the proper use of OCS Q and lead on training during inductions for new starters.
• Regularly review engineer and subcontractor paperwork, identifying potential additional work opportunities and necessary reactive repairs from maintenance inspections.
• Perform audits of site logbooks, engineering activities, subcontractor operations, and ensure all tools, equipment, and vehicle inspections are completed as required.
• Provide expert guidance to the SCTS helpdesk on reactive jobs and support monthly planning for core PPM engineering work.
• Attend SDM meetings as needed, offering detailed updates on challenges and ongoing issues related to M&E and Fabric services.
• Step in to deputize for the Maintenance SDM whenever required.
• Execute PPM, proactive, and reactive work within designated time frames, ensuring client expectations are met.
• Participate in on‑call rotation, delivering emergency callout services as required.
• Monitor subcontractor activities and workmanship on behalf of SDMs, ensuring compliance with industry and company standards.
• Maintain equipment and surrounding areas in line with agreed company standards.
• Uphold a professional service approach, proactively addressing client concerns and escalating as necessary.
• Ensure full understanding of contractual requirements and customer expectations while strictly adhering to Health & Safety legislation and OCS policies.

Essential Requirements:

• Time‑served engineer with expertise in Building services / GAS, possessing a minimum of two years of full post‑apprenticeship experience.
• Valid driving licence.

Desirable Skills & Attributes:

• Customer‑focused approach.
• Self‑sufficiency & teamwork.
• Commitment to safety.
• Problem‑solving mindset.
• Effective communication.
• Technical proficiency.
• Risk awareness & escalation.

Qualifications Required:

• F‑gas CAT 1 qualified
• COCN1
• CODNC01
• CIGA1
• CORT1
• ICPN1
• TPCP1
• TPCP1A
• CCN1
• CENWAT
• CKR1
• HTR1

If you are interested in joining a business that encourages professional development, career progression and the chance to work with inspirational people then please click apply and register your interest! You can also sign up to our job alerts when registering which will notify you when other suitable vacancies are available.

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.