Senior Mechanical Engineer
Lead Projects, Influence Outcomes, Set the Standard. This is where you move beyond delivery into real influence. You'll lead projects, shape decisions, and play a key role in developing both teams and client relationships.
The Role
This role is focused on leading mechanical design across major projects, managing delivery from concept through completion, and helping shape the technical direction of work. You'll work closely with clients, consultants, and internal teams to deliver high-quality outcomes while supporting the growth of junior engineers.
What You'll Do
Lead mechanical design across major projects
Manage delivery including timelines, quality, and technical output
Oversee calculations, specifications, and technical reviews
Act as a key client contact and trusted advisor
Coordinate multidisciplinary teams and external consultants
Mentor and develop junior engineers
Drive sustainability and innovation within projects
What You'll Bring
Degree in Mechanical or Building Services Engineering
6+ years' consultancy experience
Strong technical expertise across mechanical systems
Proven experience leading projects and client relationships
Chartered or working towards Chartership desirable
Strong leadership and communication skills
What You’ll Get
This isn't built around perks. It's built around how high-performing engineers actually want to work. Real ownership, real progression, and a culture that trusts you to deliver.
The Essentials
Competitive salary, bonus and pension that reflect your impact
22 to 27 days annual leave, plus bank holidays
Flexible working across a 37.5 hour week: early start or later start? you decide
Career Progression
A clear path forward, with responsibility increasing as you prove it
Direct exposure to senior leaders, not layers of hierarchy
IN2 Academy, CPD support and chartership guidance
Fully paid professional fees
Health and Wellbeing
Employee Assistance Programme and annual health checks
Wellbeing and fitness initiatives that support you long term
Cycle to Work scheme to make the everyday easier
Social and Community
Genuinely strong team culture, built through regular events and shared wins
Employee-led charity initiatives with real involvement
Offices in Dublin, London, Berlin, Belfast, Athlone and Madrid
Why IN2? Across every role, electrical, mechanical, or BIM, the IN2 difference is the same: you're expected to think, lead, and shape outcomes, not just execute instructions. Here's what sets us apart.
Ownership from Day One
Whether you're an Engineer or a Senior, you'll have real accountability and decision-making authority. No waiting for permission. No layers of sign-off slowing you down.
Progression Based on Ability
Faster progression based on what you deliver, not how long you've been in the seat. A clear pathway from Engineer to Senior, Associate, and beyond.
Innovation Time
Dedicated time to develop new ideas, explore emerging technologies, and contribute to sustainability strategies: built into how we work, not bolted on.
High-Performance, Low-Ego Culture
A team that challenges each other, supports each other, and wins together. No hierarchy for hierarchy's sake. Just talented people doing exceptional work.
Complex, High-Profile Projects
Exposure to design-led, high-impact developments that push the boundaries of what building services engineering can achieve.
Global Reach
Work across offices in Dublin, London, Berlin, Belfast, Athlone, and Madrid- a genuinely international practice with a collaborative, connected culture.
Ready to own the outcome? Join a team that expects more and gives more in return.
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