Principal Mechanical Engineer

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Role: Principal Mechanical Engineer

Full-Time

Location: Birmingham


About the company:


Engineering consultancy specialising in the delivery of complex infrastructure projects across the energy and utilities landscape. With a strong track record in Ireland and a growing presence across the UK, the business supports clients through the full project lifecycle from early-stage concept and design through to construction and commissioning.


Sectors including water, gas networks, renewables, and broader utilities infrastructure, where reliability, efficiency, and long-term asset performance are key.


The Role

We are seeking an experienced and motivated Principal Mechanical Engineer to play a key role in delivering high-quality engineering solutions across the Utilities and Water sectors. This is a senior position suited to an individual with strong technical expertise in mechanical design, combined with a passion for leading, mentoring, and developing engineering teams.


The successful candidate will act as both a technical authority and a leader, guiding project delivery while supporting and developing junior and intermediate engineers.


Key Responsibilities


  • Lead mechanical design activities across water and utilities projects, from concept through to detailed design and commissioning
  • Provide technical oversight and assurance on designs, ensuring compliance with relevant standards and best practices
  • Act as a subject matter expert in mechanical systems typically used in water and utilities infrastructure (e.g., pumping systems, pipelines, treatment equipment)
  • Lead, mentor, and support engineers within the team—sharing knowledge and fostering professional development
  • Manage project deliverables, timelines, and resource allocation in collaboration with multidisciplinary teams
  • Engage with clients and stakeholders, providing technical guidance and building strong working relationships
  • Contribute to bid development, technical proposals, and project planning
  • Drive continuous improvement in design processes, innovation, and efficiency


Key Requirements


  • Degree-qualified in Mechanical Engineering (or equivalent)
  • Significant experience in mechanical design within the Utilities and/or Water sector
  • Proven experience leading projects and/or engineering teams (or a strong desire to step into a leadership role)
  • Strong knowledge of mechanical systems design including pumps, pipework, valves, and treatment processes
  • Experience working within multidisciplinary engineering environments
  • Familiarity with relevant industry standards, codes, and regulations
  • Chartered Engineer status (or working towards) is desirable
  • Excellent communication and interpersonal skills, with the ability to mentor and influence others


Sounds like you? Apply or reach out for a confidential chat.

”, “datePosted”: “2026-05-09”, “hiringOrganization”: { “@type”: “Organization”, “name”: “X4 Technology”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__427802036__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=835” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Birmingham” } } }
Company: X4 Technology
Apply for the Principal Mechanical Engineer
Location: Birmingham
Job Description:

Role: Principal Mechanical Engineer

Full-Time

Location: Birmingham

About the company:

Engineering consultancy specialising in the delivery of complex infrastructure projects across the energy and utilities landscape. With a strong track record in Ireland and a growing presence across the UK, the business supports clients through the full project lifecycle from early-stage concept and design through to construction and commissioning.

Sectors including water, gas networks, renewables, and broader utilities infrastructure, where reliability, efficiency, and long-term asset performance are key.

The Role

We are seeking an experienced and motivated Principal Mechanical Engineer to play a key role in delivering high-quality engineering solutions across the Utilities and Water sectors. This is a senior position suited to an individual with strong technical expertise in mechanical design, combined with a passion for leading, mentoring, and developing engineering teams.

The successful candidate will act as both a technical authority and a leader, guiding project delivery while supporting and developing junior and intermediate engineers.

Key Responsibilities

  • Lead mechanical design activities across water and utilities projects, from concept through to detailed design and commissioning
  • Provide technical oversight and assurance on designs, ensuring compliance with relevant standards and best practices
  • Act as a subject matter expert in mechanical systems typically used in water and utilities infrastructure (e.g., pumping systems, pipelines, treatment equipment)
  • Lead, mentor, and support engineers within the team—sharing knowledge and fostering professional development
  • Manage project deliverables, timelines, and resource allocation in collaboration with multidisciplinary teams
  • Engage with clients and stakeholders, providing technical guidance and building strong working relationships
  • Contribute to bid development, technical proposals, and project planning
  • Drive continuous improvement in design processes, innovation, and efficiency

Key Requirements

  • Degree-qualified in Mechanical Engineering (or equivalent)
  • Significant experience in mechanical design within the Utilities and/or Water sector
  • Proven experience leading projects and/or engineering teams (or a strong desire to step into a leadership role)
  • Strong knowledge of mechanical systems design including pumps, pipework, valves, and treatment processes
  • Experience working within multidisciplinary engineering environments
  • Familiarity with relevant industry standards, codes, and regulations
  • Chartered Engineer status (or working towards) is desirable
  • Excellent communication and interpersonal skills, with the ability to mentor and influence others

Sounds like you? Apply or reach out for a confidential chat.

Posted: May 9th, 2026