Qualified Plumber / Mechanical Supervisor – Dublin

Join a growing mechanical engineering company where your experience and expertise are valued.

Due to continued growth, Mosman Engineering Ltd is seeking an experienced and ambitious Senior Qualified Plumber / Mechanical Supervisor to join our established installation and maintenance team in Dublin.

We specialise in commercial heating systems, mechanical installations, boiler plantroom upgrades, planned and reactive maintenance, and energy-efficiency projects across Dublin and Leinster.

We are looking for a highly skilled plumber who takes pride in their workmanship, enjoys solving technical challenges and is ready to take on greater responsibility within a growing engineering business.

RGI registration is desirable but not essential. We welcome applications from fully qualified plumbers with strong commercial heating experience who are interested in obtaining RGI registration, subject to eligibility.

This is an excellent opportunity for an experienced professional seeking long-term career development, a supportive working environment and the opportunity to work on varied and technically challenging projects.

What We Offer

• Salary: €60,000–€65,000 per annum, depending on experience
• Quarterly Performance Bonuses: Recognition and reward for individual and team performance
• Work-Life Balance: Monday–Thursday, 8:00am–4:30pm; Friday, 8:00am–3:30pm
• Company Vehicle: Provided for work-related duties
• Company Pension Scheme
• Sick Pay
• Career Development: Direct reporting to the Technical Director, with opportunities for progression
• Training and Development: Ongoing technical and manufacturer training, including support towards RGI registration where appropriate
• Job Security: Permanent position within a growing specialist mechanical engineering company
• Professional Environment: High-quality equipment, technical support and a team committed to delivering excellent standards

The Role

As a Senior Qualified Plumber / Mechanical Supervisor, you will play an important role in the delivery of commercial mechanical installations, maintenance works and heating system upgrades.

You will work both independently and alongside our technical team, taking responsibility for quality, technical problem-solving and the successful delivery of assigned works.

The position combines hands-on technical work with supervisory responsibility, offering an opportunity to develop your leadership and management skills.

Key Responsibilities

• Carry out and supervise commercial plumbing, heating installations and maintenance works.
• Install, maintain and troubleshoot commercial heating and hot water systems.
• Lead mechanical plantroom installations, refurbishment and upgrade projects.
• Diagnose and resolve faults involving pumps, valves, heating controls and associated mechanical equipment.
• Undertake gas boiler installation, commissioning and servicing activities where appropriately registered and authorised.
• Supervise and support plumbers, apprentices and other tradespeople.
• Coordinate daily work activities, materials and site resources.
• Ensure all works comply with relevant health and safety regulations, technical standards and manufacturer requirements.
• Maintain accurate service reports, commissioning records and project documentation.
• Liaise professionally with clients, consulting engineers and project managers.
• Identify opportunities to improve system performance, reliability and energy efficiency.
• Report directly to the Technical Director and contribute to technical planning and continuous improvement.

Essential Requirements

• Fully qualified plumber holding a QQI Level 6 Advanced Certificate in Plumbing, Advanced Craft Certificate or recognised equivalent qualification.
• Minimum 3 years' relevant post-qualification experience in commercial plumbing, heating or mechanical installations.
• Strong knowledge of heating and hot water systems, pumps, valves and associated controls.
• Proven ability to diagnose faults and resolve technical problems independently.
• Ability to interpret mechanical drawings and technical specifications.
• Good communication, organisational and problem-solving skills.
• Professional attitude with a strong commitment to quality workmanship and customer service.
• Full driving licence valid in Ireland.

Desirable Experience and Qualifications

The following are advantageous but not essential :

• Current RGI registration.
• Commercial gas boiler installation, servicing or maintenance experience.
• Experience in mechanical plantroom installations and upgrades.
• Previous supervisory or team leadership experience.
• Knowledge of building management systems (BMS) and heating controls.
• Experience with commercial heating equipment, including pumps, pressurisation units and heat exchangers.
• Experience working in hospitals, commercial buildings or live operational environments.
• Experience with system commissioning, fault diagnosis and technical reporting.

The Ideal Candidate

We are looking for someone who combines technical expertise with a positive, professional attitude.

You will be:

• Technically Capable: Confident working on complex heating and mechanical systems.
• Self-Motivated: Able to manage your workload and take ownership of assigned tasks.
• Solutions-Focused: Someone who enjoys diagnosing problems and finding practical, effective solutions.
• Quality-Driven: Committed to delivering installations and maintenance works to a consistently high standard.
• Customer-Focused: Comfortable communicating with clients and representing the company professionally.
• A Team Player: Willing to share knowledge, support colleagues and contribute to a positive working environment.
• Ambitious: Interested in developing your technical and supervisory skills as the company grows.

Why Join Mosman Engineering?

At Mosman Engineering, we believe experienced tradespeople are essential to delivering high-quality engineering services.

We are building a company recognised for technical expertise, professionalism and long-term client relationships.

Our team works across a diverse range of commercial projects, providing opportunities to develop new skills, gain experience with modern heating technologies and contribute to technically interesting engineering solutions.

As a growing business, we offer the opportunity to work closely with senior management, contribute ideas and play a meaningful role in shaping our future.

We are looking for someone who wants to build a career with us, not simply take another job.

Apply Today

If you are a fully qualified plumber with strong heating or mechanical installation experience and are ready for the next step in your career, we would like to hear from you.

Current RGI registration is not essential for suitable candidates.

Please submit your CV through Indeed or email:

info@mosman.ie

Website: www.mosman.ie

All applications will be treated in strict confidence.

• Monday to Thursday: 8:00am–4:30pm
• Friday: 8:00am–3:30pm

Work Location: In person – Dublin and surrounding areas

Job Type: Full-time, Permanent

Pay: €60,000.00-€65,000.00 per year

Benefits:

• Company car
• Company pension
• On-site parking
• Sick pay

Work Location: In person