Mechanical Building Services Design Engineer

🔒 Confidential Employer
Posted 13 January 2026
LOCATION
Southampton
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Engineering
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Mechanical Design Building Services Design CIBSE Budget Costing Project Management Load Analysis Fault Finding

FULL DESCRIPTION

TNG is seeking a Mechanical Design Engineer to join their team in Southampton. The role involves designing Building Engineering Services for various projects, with experience in Healthcare, Education, and Commercial facilities preferred. Candidates should have a Building Services Design qualification, experience in all construction sectors, and be a member of a professional organization like CIBSE.

We are Hiring!

Join our established team in the Southampton office, where you’ll be instrumental in designing Building Engineering Services for a diverse range of projects, from small to large-scale, across various construction sectors.

Experience in Healthcare, Education, and Commercial facilities is preferred, as is a strong understanding of renewable technologies. Your expertise should help us deliver innovative solutions that meet the needs of our clients.

Location

Southampton, Hampshire

Role

Full Time

Find Out More about this Role!

Required Skills and Experience

Suitable candidates should have the required Skills and Experience:-

  • An experienced Building Services Design Engineer with a Building Services Design qualification to HND/Degree level;
  • Appropriate length of experience of designing Engineering Systems in all Construction sectors;
  • Membership of a professional organisation such as CIBSE;
  • Effective interpersonal skills within the office and with all Clients and professional Colleagues;
  • Computer literate and competent with industry standard software systems;
  • Be a self-starter and be able to work intuitively;
  • Confident with budget costing, design programming and prioritising workload.

Key Responsibilities

Key Responsibilities for this role are:-

  • Practical knowledge of Mechanical Engineering Services and Construction;
  • Production of complete tender packages;
  • Overseeing and managing projects;
  • Input to fee preparation and agreement of fee variations;
  • Preparation of philosophy reports;
  • Developing room data requirements;
  • Constructing budget cost reports;
  • Developing load analysis, plant and zoning strategies and Builders Work requirements;
  • Good working knowledge of all primary design standards for relevant discipline;
  • Planning resources to meet programme dates and taking responsibility for delivery of information;
  • Practical knowledge of relevant discipline; ability to investigate problems and fault find;
  • Working knowledge of some specialist systems within relevant discipline.

Person Specification

The right Candidate should be:-

  • Friendly and Supportive;
  • Focused on Customer Satisfaction;
  • A Brand Ambassador for TNG;
  • Self-starter who is able to ask questions and problem solve;
  • Good Communicator.

Who should *Apply?*

TNG invites skilled, motivated, and dedicated individuals to apply for our employment opportunities. We take pride in our commitment to excellence, and we seek candidates who are reliable, adaptable, and eager to meet our clients’ needs.

We foster a family-oriented environment, making it a priority to find the right people to help us grow. We are looking for team players who can communicate effectively and supportively with others.

If you’re looking for a place where your contributions will be valued and you can thrive alongside a passionate team, we would love to hear from you!

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