Senior Engineer - Mechanical (Energy & Industrial)

About the job:
As a Senior Mechanical Design Engineer, you will lead and deliver complex mechanical design projects across the Energy and Industrial sectors throughout the EMEA region. This role covers the full project lifecycle, from concept design through to client handover, with a strong focus on regulated, high-specification environments such as manufacturing, life sciences, and industrial facilities. You will also play a key role in mentoring engineers and maintaining strong client relationships.

Experience & Qualifications

• Honours Degree in Mechanical Engineering or related discipline

• 7+ years’ experience delivering projects within Industrial, Manufacturing, Life Sciences, Pharmaceutical, Medical Devices, Healthcare, or Commercial sectors

• Chartered Engineer status is an advantage but not essential

• Must be based in Ireland

Key Responsibilities

• Lead mechanical services design for Energy and Industrial projects from concept through detailed design and construction support

• Deliver projects across sectors including manufacturing, food and beverage, pharmaceutical, medical devices, life sciences, laboratories, and industrial facilities

• Design and specify mechanical building services systems suitable for ATEX environments, cleanrooms, laboratories, and process-led facilities

• Undertake mechanical design for HVAC, ventilation, heating, cooling, utilities, and specialist systems including gas detection

• Ensure designs comply with CIBSE, ASHRAE, BS, IS, and EN standards, as well as relevant safety and regulatory requirements

• Carry out continuous design reviews and installation quality checks to ensure compliance and constructability

• Prepare detailed tender documentation, reports, technical analysis, and recommendations

• Collaborate closely with clients, architects, and multidisciplinary design teams to define project scopes and technical solutions

• Take technical ownership of projects, operating with minimal management input

• Mentor and guide junior and mid-level engineers, reviewing outputs to ensure QA standards are met prior to issue

Technical Skills

• Strong mechanical design experience within industrial and process-driven environments

• Proven knowledge of mechanical systems for regulated sectors, including laboratories, pharmaceutical, and food production facilities

• Working knowledge of ATEX directives and design considerations for hazardous environments

• Proficient in AutoCAD, Revit, Bluebeam, and Microsoft Office

• Experience with mechanical analysis or simulation software is an advantage

• Solid understanding of quality assurance processes and technical documentation

Soft Skills & Team Fit

• Confident, professional communicator with strong client-facing skills

• Proven ability to lead projects and coordinate engineering teams

• Highly organised with excellent time management skills

• Collaborative mindset with a proactive and inquisitive approach

• Keen interest in emerging technologies and best practice within the Energy and Industrial sectors

 Why Join us?

At Ethos, we’re dedicated to fostering an environment that encourages both technical excellence and personal wellbeing. As a Mechanichal Engineer, you’ll be part of a highly skilled, collaborative team that leverages innovation and simulation to shape more sustainable and efficient designs across diverse projects.

We offer:

• Flexible Fridays and a 9-day fortnight working schedule — enjoy every second Friday off to maintain work–life balance.

• A state-of-the-art office in Charlemont, Dublin 2, designed to promote collaboration, innovation, and wellbeing.

• A culture that values flexibility, learning, and teamwork, with clear progression pathways and support toward professional accreditation.

• Opportunities to work alongside some of the most experienced engineers in the industry, within a forward-thinking, technology-driven consultancy.

Benefits:

• Flexible working times

• 20 Days holidays up to 25 days

• Pension Scheme

• Working travel out-of-pocket expenses

• Travel tax scheme or b