Senior Mechanical Design Engineer

Hitchin, Hertfordshire, United Kingdom

Job Description

Our Client - One Good Thing
At OGT, we're not just rethinking food, we're reinventing how it's made. From our world-first wrapper-free, oat-based energy bar to cutting-edge coating and moulding tech, we're building the future of clean, sustainable performance nutrition.
That means creating entirely new production systems - and that's where you come in.
We're looking for a Senior Mechanical Engineer who thrives on solving hard problems, leading projects from concept to production, and mentoring the next generation of engineers. This is a role for someone who wants to design systems no one's built before, and see them run on a live factory floor.
Why OGT?
Because we're engineering the future of food manufacturing. We're not just scaling what exists, we're inventing what comes next. This is your chance to:

  • Work on novel, first-of-their-kind systems.
  • See your designs go from CAD ? prototype ? live production.
  • Mentor and shape the next generation of engineers.
  • Be part of a business where innovation isn't a buzzword, it's the job.
Why This Role Exists
Our ambition is big:
  • Strengthen and scale our existing hardware.
  • Design the next generation of automated manufacturing systems.
  • Pioneer novel solutions in coating, spraying, and soft food moulding that keep us ahead of the pack.
The Senior Mechanical Engineer is central to that mission-owning projects end-to-end, building prototypes, and delivering robust, production-ready equipment that takes us to the next level.
What You'll Actually Do
You won't be just drawing parts, you'll be leading innovation:
  • Design, prototype & deliver : Own the full lifecycle of electromechanical systems and automated manufacturing equipment.
  • CAD leadership : Produce top-tier models, drawings, BOMs, and specifications that stand up to scrutiny.
  • Prototype & test : Build, break, and iterate until robust production-ready solutions are achieved.
  • Mentor engineers : Share your knowledge, guide juniors, and raise the bar across the team.
  • Own projects : Manage timelines, reporting, and technical outcomes with minimal supervision.
  • Hands-on problem solving : Jump in on asset care and operations until dedicated teams are established.
  • Collaborate cross-functionally : Work with R&D, Operations, and Engineering to keep projects moving at pace.
How You'll Know You've Won
  • Projects delivered : On time, to spec, within resources.
  • Engineering excellence : Robust CAD, BOMs, and documentation.
  • Innovation realised : Prototypes that become production assets.
  • Team impact : Junior engineers growing under your mentorship.
  • Market leadership maintained : Novel solutions keeping OGT ahead.
Who You Are
  • 5+ years as a design/delivery engineer in electromechanical systems, automation, or pressurised fluid systems (bonus if in FMCG/food).
  • CAD expert with a proven track record in delivering detailed, production-ready designs.
  • Hands-on prototyping & testing experience (3+ years).
  • Skilled at documentation, structured engineering methods (PDM, version control, QA).
  • Confident project leader who can manage multiple streams independently.
  • A mentor, communicator, and collaborator who makes teams better.
  • Adaptable in a fast-moving, high-change environment.
Extra Points If You've
  • Worked with food coatings, liquid layers, or related FMCG equipment.
  • Experience in simple electrical systems (wiring, harnesses, panels).
  • A track record of innovation in automated production line systems.

Skills Required

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Job Detail

  • Job Id
    JD3779380
  • Industry
    Not mentioned
  • Total Positions
    1
  • Job Type:
    Full Time
  • Salary:
    £60,000-75,000 per year
  • Employment Status
    Permanent
  • Job Location
    Hitchin, Hertfordshire, United Kingdom
  • Education
    Not mentioned