Senior engineer Work, Jobs in Llanishen, Crf (with Salaries)

Refrigeration and Air Conditioning Engineer
OCS Group —Grangetown
- Monday to Friday
- Mentoring
- Training & development
- Leadership
Quick apply
Business Support & Administration Officer
Bay Productions Ltd —Cardiff
- From £25,500 a year
- Full-time
- Microsoft Outlook
- Databases
- Administrative experience
- Free parking
Quick apply
9d
Stress Engineer / Senior Stress Engineer / Lead Stress Engineer
ORG LINKED —Cwmbran
- Full-time
- Hybrid work
- System design
- Maths
- In-person
Quick apply
Senior Semiconductor Process Engineer (InP)
IQE —Cardiff
- £60,000 - £70,000 a year
- Microsoft Word
- Computer literacy
- Analysis skills
- Employee assistance programme
- Employee discount
Business Unit Manager
English Provender Company —Cwmfelinfach
- £50,000 - £55,000 a year
- Full-time
- Continuous improvement
- Team management
- Training & development
- Free parking
- Health & wellbeing programme
Quick apply
10h
General Manager
Kier Group —Cardiff
- £21,158 a year
- Part-time
- Leadership
- Communication skills
- Flexible schedule
Senior Site Engineer
Knights Brown —Bridgend
- Civil engineering
- Continuous improvement
- Quality control
Senior Test Engineer
Visionist Consulting —Cardiff
- Full-time
- Communication skills
Senior Process Water Engineer
Arup —Cardiff
- Engineering
Senior DevTest Engineer Biometrics
ASSA ABLOY —Cardiff
- Engineering
- Scripting
- Annual leave
Programme Manager
General Dynamics Land Systems UK —Pentrebach
- £58,400 - £73,000 a year
- Full-time
- Customer service
- Computer literacy
- Business development
Decontamination Engineer
NHS Wales Shared Services Partnership —Cardiff
- £50,129 - £57,365 a year
- Full-time
Senior Product Engineer
Cytiva —Cardiff
- Full-time
- Engineering
- Continuous improvement
- No degree
- Annual leave
Senior Engineer
LDMS —Cardiff
- Up to £68,000 a year
- Full-time
- Hybrid work
- Mentoring
- AI
- Annual leave
- Employee assistance programme
Quick apply
Programme Director
Safran —Cwmbran
- Full-time
- Engineering
- Contracts
- Leadership
- Employee assistance programme
Senior Manager - Engineering
Convatec —Rhymney
- Full-time
- Engineering
- Continuous improvement
- Travel
Principal & Senior Geotechnical Engineer
Vulcain Engineering Group —Cardiff
- Engineering
- Master's degree
- Business development
Senior Planner
AmcoGiffen —Llantrisant
- £65,000 - £75,000 a year
- Full-time
- Civil engineering
- Data analysis skills
- Analysis skills
- Annual leave
- Life insurance
Quick apply
Senior Manufacturing Engineer
Cytiva —Cardiff
- Full-time
- Programmable logic controllers
- Continuous improvement
- Team management
9d
Senior Principal Civil Engineer (Water)
Stantec —Cardiff
- Civil engineering
- Paid training

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Refrigeration and Air Conditioning Engineer

OCS Group -
Grangetown

Quick apply

Job details

Permanent

Qualifications

Reactive maintenance implementation
Technical troubleshooting
Driving Licence
Stakeholder collaboration
Machinery breakdown fault-finding
Client engagement
Stakeholder liaison
Mobile applications
Mentoring junior staff
Technical support
Electrical fault diagnosis
Planned preventative maintenance for HVAC systems
Mentoring
NVQ
Professional development mentoring
Permit-to-work compliance
Training & development
Fault diagnosis and repair
Mechanical building services repair
Leadership
Communication skills
Planned maintenance
Air conditioning

Full job description

About The Company:

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.

Why Work for OCS?

✅Award-Winning Employer: Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.

Digital Learning: The OCS Academy offers digital courses and resources to help you build skills and grow your career.

Retail Perks With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.

Professional Growth: 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!

Flexible Pay: Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)

About The Role:

Working Days: Monday to Friday 08:00 - 17:00

About the Role

We are seeking a highly experienced and technically proficient Lead Refrigeration & Air Conditioning Engineer to join our mobile technical services team. This senior-level role is ideal for a time-served engineer with extensive experience in large-scale refrigeration and HVAC systems, who is also passionate about mentoring and supporting the development of junior engineers.

You will lead by example in delivering advanced technical services, supporting complex installations, and ensuring compliance across a diverse portfolio of commercial sites. You will also play a key role in knowledge sharing, technical guidance, and continuous improvement within the team.

Key Responsibilities:

Technical Leadership & Mentorship

Provide technical leadership and mentoring to junior and mid-level engineers.
Support training and development initiatives, including on-the-job coaching and technical troubleshooting guidance.
Act as a point of escalation for complex technical issues and assist in root cause analysis and resolution.

Advanced Service & Maintenance

Lead planned and reactive maintenance, servicing, and repairs on:
Large-scale VRV/VRF systems
Central plant refrigeration systems
Chillers, cold rooms, and multi-compressor systems
Advanced AHUs, heat pumps, and integrated HVAC systems
Diagnose and resolve faults across electrical, mechanical, and refrigerant systems with a focus on long-term reliability and performance.

Compliance & Quality Assurance

Ensure all works meet or exceed F-Gas & ODS regulations, technical standards, and manufacturer specifications.
Conduct quality audits and support continuous improvement in service delivery and compliance.
Promote and enforce safe working practices across all operational activities.

Documentation & Reporting

Review and validate service documentation, inspection reports, and remedial work records.
Provide technical feedback and improvement suggestions to internal teams and clients.
Use digital tools (PDA/mobile apps) to manage workflow, reporting, and communication.

Client Engagement & Collaboration

Build strong relationships with clients and stakeholders, offering expert advice and reassurance.
Collaborate with internal teams to support project planning, mobilisation, and service enhancements.
Represent the technical team in client meetings and site reviews when required.

Emergency Support & Escalation

Participate in the emergency on-call rota and provide senior-level support during critical incidents.
Lead or support emergency response efforts, ensuring rapid resolution and minimal disruption.

Requirements

Time-served apprenticeship in Refrigeration/Air Conditioning
City & Guilds Level 3 NVQ or equivalent in HVAC, Refrigeration, or Mechanical Engineering
F-Gas & ODS Regulations (Category 1 – 2079)
Minimum 2 years of hands-on experience in commercial HVAC/R systems
Proven experience with large-scale refrigeration systems and central plant equipment
Strong understanding of Health & Safety legislation and Permit to Work systems
Experience mentoring or supervising engineering teams
Excellent fault-finding and diagnostic skills
Proficient in using digital reporting tools and mobile apps
Strong communication and leadership skills
Full UK driving licence

How to Apply:

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.

Quick apply

Refine Your Search

senior engineer jobs in llanishen, crf

Refrigeration and Air Conditioning Engineer

Business Support & Administration Officer

Stress Engineer / Senior Stress Engineer / Lead Stress Engineer

Senior Semiconductor Process Engineer (InP)

Business Unit Manager

General Manager

Senior Site Engineer

Senior Test Engineer

Senior Process Water Engineer

Senior DevTest Engineer Biometrics

Programme Manager

Decontamination Engineer

Senior Product Engineer

Senior Engineer

Programme Director

Senior Manager - Engineering

Principal & Senior Geotechnical Engineer

Senior Planner

Senior Manufacturing Engineer

Senior Principal Civil Engineer (Water)

I want to receive the latest job alerts for senior engineer in llanishen, crf

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