Mechanical Project Engineer

Em3 Llc; Limerick; On-site; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Competitive Salary and Benefits

Company Bonus Structure

Flexible work schedule with work-from-home opportunities

Opportunities to travel

Job summary

Em3 Llc in Limerick, Ireland, is seeking a motivated Mechanical Project Engineer to support energy efficiency and decarbonisation projects. The role entails designing and implementing mechanical systems in high-energy environments.

Ideal candidates will have 5+ years in mechanical engineering, familiarity with HVAC and utility systems, and excellent communication skills. The position offers competitive compensation, opportunities for professional development, and a chance to work with a skilled engineering team.

Qualifications

• Typically 5+ years’ experience in a mechanical engineering role, ideally within energy, industrial, or utilities environments.
• Experience with one or more of HVAC, steam systems, compressed air, or chilled water.
• Familiarity with Irish and EU standards and guidelines.

Responsibilities

• Support mechanical design and lead the execution of energy-related projects.
• Prepare mechanical engineering calculations, specifications, and technical documentation.
• Work closely with project managers and senior engineers to deliver projects.

Skills

Mechanical Engineering Fundamentals

Industrial Utilities Exposure

Project Mindset

Technical Documentation

Communication

Education

Degree in Mechanical Engineering or related discipline

Tools

AutoCAD

Revit

Job description

Employment Type: Full-time | Permanent |

Industry: Energy Management Solutions for Industrial Manufacturing

Reporting to: Project Management Lead, Ireland

About EM3

EM3 is a market‑leading energy consultancy company, delivering end‑to‑end energy management and engineering solutions to large‑scale industrial clients. Through innovation, technical expertise, and a strong commitment to sustainability, EM3 helps customers significantly reduce energy use, lower carbon emissions and improve operational efficiency.

Headquarters based in Limerick, Ireland with additional offices in Madrid, Spain and Chicago, USA. With a team of over 75 professionals, we specialise in identifying, implementing, monitoring and verifying energy‑saving initiatives for industrial clients globally. Our work spans across energy auditing, ISO 50001 systems, energy monitoring and analytics and turnkey decarbonisation project delivery. EM3 partners with clients in sectors such as manufacturing, food and beverage, pharma, Medical Devices and data centres.

As part of SHV Energy, a global organisation operating across 25 countries, EM3 is committed to advancing energy efficiency and sustainability in the industrial manufacturing sector.

Position Overview

We are seeking a motivated Mechanical Project Engineer with approximately 5+ years of relevant experience to join our growing engineering team. The successful candidate will support the delivery of energy efficiency and decarbonisation projects for industrial clients, contributing to the design, implementation, and optimisation of mechanical and utility systems in high‑energy‑use environments. This role suits an engineer who is technically strong, delivery‑focused, and looking to develop toward a senior / project lead role within an energy consultancy environment.

Key Responsibilities

Project Delivery & Engineering Support

• Support the mechanical design and lead the execution of energy‑related projects, including:
  • HVAC systems and upgrades
  • Compressed air systems
  • Heat recovery and energy reuse
  • Steam, hot water and thermal systems
  • Refrigeration and process cooling systems
• Contribute to feasibility studies, concept design, and detailed engineering under the guidance of senior engineers.
• Assist with site surveys, data collection, and validation of existing systems.

Design & Technical Documentation

• Prepare mechanical engineering calculations, specifications, and technical documentation.
• Develop supporting drawings, schematics, and tender information as required.
• Contribute to energy modelling, system performance analysis, and savings calculations where applicable.

Project Coordination

• Work closely with project managers, senior engineers, and cross‑disciplinary teams to deliver projects to programme and quality requirements.
• Support contractor engagement during installation, commissioning, and handover phases.
• Attend site meetings and support resolution of technical queries.
• Contributes to preparation and review of tender documentation, contractor proposals, and technical clarifications from a cost–benefit and risk perspective.

Client & Stakeholder Engagement

• Interface with client engineering and operations teams with support from senior colleagues.
• Assist in preparing technical reports and presenting findings in a clear, structured manner.
• Understands the importance of client value, repeatability, and practical implementation, not just technical optimisation.
• Stay informed of emerging technologies, best practice, and regulatory developments in industrial energy systems.
• Contribute ideas for improving energy performance, safety, and system reliability.

Core competencies & Skills

• Mechanical Engineering Fundamentals: Strong grounding in thermodynamics, heat transfer, fluid mechanics, and mechanical systems design.
• Industrial Utilities Exposure: Experience with one or more of HVAC, steam systems, compressed air, chilled water, or process utilities.
• Project Mindset: Comfortable working across multiple projects with structure, accountability, and attention to detail. Maintains accurate records to support project reporting, governance, and commercial control.
• Demonstrates an understanding of project cost drivers, value engineering, and the commercial implications of design decisions.
• Supports delivery of projects in line with agreed scopes, programmes, and budgets, escalating risks or scope changes appropriately.
• Technical Documentation: Experience producing calculations, reports, and engineering deliverables suitable for client and contractor use.
• Regulations & Standards: Familiarity with Irish and EU standards and guidelines (e.g. CIBSE, ASHRAE, PED, IS/EN standards).
• Communication: Able to engage professionally with colleagues, clients, and contractors.

Experience & Qualifications

• Degree in Mechanical Engineering or related discipline.
• Typically 5+ years’ experience in a mechanical engineering role, ideally within:
  • Energy, industrial, or utilities environments
  • Engineering consultancy or technical project delivery roles
• Experience in energy efficiency or decarbonisation projects is an advantage but not essential.
• Chartered Engineer status or working toward chartership is desirable but not required.
• Proficient in AutoCAD, Revit, or similar design tools; energy modelling software a plus.
• Full clean driving license and willingness to travel to client sites as required.

Why Join EM3

• Opportunity to influence the growth of EM3’s expanding global operations.
• Work with a highly skilled international engineering team.
• Competitive compensation with benefits.
• Exposure to cutting‑edge energy and engineering technologies.
• Meaningful work supporting sustainability and operational excellence initiatives.
• Competitive Salary and Benefits
• Company Bonus Structure & Sales Bonus Scheme
• Paid Time Off
• Company Contribution Retirement Plan
• Life Assurance
• Income Protection SchemeFlexible work schedule with work‑from‑home opportunities.
• A focus on learning and development for all employees.
• Opportunities to travel
• Professional Body Membership
• Employee Referral Programme

EM3 is an equal opportunity employer. We are committed to creating a diverse and inclusive environment where everyone can thrive. We encourage applications from all qualified individuals, regardless of gender, age, race, religion, sexual orientation or disability.