Senior Mechanical Engineer

IN2 Engineering; Belfast; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Competitive Pay & Bonuses

Annual Leave: 22 days, scaling to 27

Flexible Working Hours

Personal Development Plan

Access to IN2 Academy

Job summary

A forward-thinking engineering consultancy in Belfast is seeking an experienced Senior Mechanical Design Engineer. You will lead mechanical design projects across a variety of sectors including commercial and healthcare, ensuring high-quality solutions and mentoring junior staff. This role offers flexibility, competitive pay, and a clear pathway for career progression along with a supportive work environment where your contributions are valued.

Qualifications

• Minimum of 5 years’ consultancy‑based design experience on commercial MEP projects.
• Extensive knowledge of mechanical engineering standards and building regulations.
• Chartered Engineer status or ability to demonstrate competencies to apply within 18 months.
• Proficiency in mechanical design software (Hevacomp, AutoCAD, Revit, Navisworks).
• Chartered Engineer status or ability to achieve within 18 months.

Responsibilities

• Lead mechanical design on projects from concept to delivery.
• Collaborate closely with clients and multidisciplinary teams.
• Prepare detailed site reports, project status updates, and verify installations.
• Support management in client relationships.
• Manage project costs and prepare client cost reports related to mechanical installations.
• Implement successful mechanical design solutions and develop engineering strategies aligned with client briefs.
• Work alongside Project Directors to establish project requirements and deliverables.
• Attend site meetings, carry out inspections, and review contractors’ technical submittals.
• Prepare detailed site reports, project status updates, and verify installations against agreed designs.
• Provide mentorship to junior engineers and ensure knowledge dissemination.
• Collaborate with other engineers and technicians for fully coordinated designs.
• Develop BCAR Inspection plans and monitor installation quality and project progress.
• Represent the company at site and technical meetings.

Skills

Mechanical design expertise

Project management

Client relations

Mentoring

Site inspections

Education

Level 8 Degree in Building Services Engineering or Electrical Engineering

Tools

Hevacomp

AutoCAD

Revit

Navisworks

Job description

Job Description

Formed in 2002, IN2 is a progressive engineering consultancy operating across Ireland, the UK, and Europe, dedicated to creating better spaces for people. With over 100 experts across six locations, our team of engineers, technicians, and consultants collaborate closely with clients and partners to deliver innovative, sustainable, and energy‑efficient building solutions across a wide range of sectors—from concept and design through to handover and beyond. For over 20 years, we have maintained a people‑centric culture that encourages growth, innovation, and adaptability. Our award‑winning MEP projects, combined with recognition as a ‘Great Place to Work’, reflect our commitment to quality, sustainability, and a supportive, inclusive work environment where individuals can thrive. At IN2, joining our team means being part of a collaborative, high‑performing, and forward‑thinking organisation, where your contribution makes a real impact—and where career opportunities grow alongside our business.

Working Hours

We operate a 37.5‑hour working week designed to support work‑life balance. We offer flexible start and finish times between 8am and 6pm, provided that core hours of 10am to 4pm are covered for team collaboration and meetings.

About The Role

As a Senior Mechanical Design Engineer, you will bring strong technical expertise in MEP installations, design engineering, mentoring, project management, site inspections, and client relations. You’ll play a key role in delivering high‑quality mechanical design solutions across diverse sectors including commercial, healthcare, industrial, educational, and residential projects.

What you will do

Belfast offers the opportunity to work on impactful projects within a growing and dynamic city, while maintaining a strong work‑life balance. You will be trusted, supported, and encouraged to shape how things are done locally, with full backing from the wider IN2 team. This role suits someone looking for long‑term stability, progression, and balance.

Responsibilities

• Lead mechanical design on projects from concept to delivery
• Collaborate closely with clients and multidisciplinary teams
• Ensure high‑quality engineering solutions are developed and implemented
• Support management in client relationships
• Manage project costs and prepare client cost reports related to mechanical installations
• Implement successful mechanical design solutions and develop engineering strategies aligned with client briefs
• Work alongside Project Directors to establish project requirements and deliverables
• Attend site meetings, carry out inspections, and review contractors’ technical submittals
• Prepare detailed site reports, project status updates, and verify installations against agreed designs
• Provide mentorship to junior engineers and ensure knowledge dissemination
• Collaborate with other engineers and technicians for fully coordinated designs
• Develop BCAR Inspection plans and monitor installation quality and project progress
• Represent the company at site and technical meetings

Essential Experience

• Minimum of 5 years’ consultancy‑based design experience on commercial MEP projects
• Level 8 Degree in Building Services Engineering or Electrical Engineering (recognised for Chartership)
• Extensive knowledge of mechanical engineering standards, building regulations, and HVAC, water services, and drainage design
• Proficiency in mechanical design software (Hevacomp, AutoCAD, Revit, Navisworks)
• Experience designing commercial mechanical projects and working within design teams
• Strong report writing skills and proficiency in Microsoft applications
• Chartered Engineer status or ability to demonstrate competencies to apply within 18 months

Benefits

We’ve put together a package that looks after your wallet, your career, and your wellbeing.

• Competitive Pay & Bonuses: A salary that reflects your worth, plus an annual bonus and pension contributions.
• Annual Leave: 22 days of annual leave, scaling up to 27 days as you grow with us (plus all those bank holidays!).
• Flexible Hours: 37.5‑hour working week with flexible hours (8am–6pm).

Career Progression

• Personal Roadmap: Dedicated Personal Development Plan and mentoring from senior leaders.
• The IN2 Academy: Access to internal academy, CPD support, and expert assistance in advancing your career.

Health & Wellbeing

• Employee Assistance Programme, annual health checks, and various fitness initiatives.
• Cycle to Work scheme.

Social & Community

• Featured events: Christmas party weekend, Employee Appreciation Day, and regular staff social events.
• Charity initiatives led by team.
• Opportunities to work across IN2 offices in London, Dublin, Berlin, Belfast, Athlone, and Madrid.

Eligibility

Due to regulatory requirements, this role is open to candidates with permanent residency or unrestricted right to work in Ireland only. Applications requiring visa sponsorship cannot be considered.