Harwin
Senior Machine Build Engineer
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Senior Machine Build Engineer (Mechanical/Electrical/Commissioning)
Location: Portsmouth/Onsite
Hours: 39 Hours/week
Are you an experienced Senior Machine Build Engineer looking for your next career move?
Do you want to work for a manufacturing company specialising in the innovative design and production of electrical / electronic components?
We are recruiting for a Senior Machine Build Engineer who is responsible for building, assembling, and commissioning bespoke automation and assembly equipment, working collaboratively with a multi-disciplinary engineering team.
The Company
Harwin plc is a Portsmouth-based, family-owned precision engineering company on an ambitious global growth journey. With a strong international presence and a well-established partner network, the organisation has built a reputation over decades for quality, reliability, and long-term thinking.
As an employer, Harwin offers a distinctive environment shaped by its heritage and forward-looking mindset. The business is currently investing significantly in technology, digital transformation, and ways of working, alongside the development of a new headquarters and state-of-the-art manufacturing facility in Portsmouth.
This is a period of meaningful growth and evolution, with a clear ambition to scale capabilities and strengthen its global impact. At the same time, the values associated with family ownership remain central — fostering a culture that emphasises collaboration, accountability, and sustained success.
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For those looking to develop their careers, Harwin provides the opportunity to contribute to a growing organisation while being part of a team that values both innovation and long-term perspective.
The Role
You will take a lead role in machine build projects, ensuring high-quality delivery from assembly through to commissioning:
- Build and assemble special purpose automated machinery to engineering drawings
- Manufacture and assemble sub-assemblies with a high level of precision and attention to detail
- Work closely with design engineers on new automation developments and R&D challenges
- Follow electrical schematics and support electrical build, wiring, and fault finding
- Integrate and fault-find pneumatic systems to specification
- Collaborate with commissioning teams to deliver fully operational machines
- Prove and test machinery post-build, ensuring performance meets design requirements
- Support machine sequencing and optimisation for production efficiency
- Work to project timelines and deadlines set by Project Management
- Take ownership of specific machine builds, including commissioning and delivery
Requirements
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To succeed in this role, you will be a highly skilled, hands-on engineer with a strong multi-disciplinary background:
- Extensive experience in mechanical machine assembly and fitting
- Ability to interpret engineering drawings, CAD models, and assembly documentation
- Experience with pneumatic and electromechanical system integration
- Strong understanding of PLC-controlled machinery and automation systems
- Ability to fault-find across mechanical, electrical, and pneumatic systems
- Experience with sensors, actuators, motion systems, and control equipment
- Knowledge of machine build processes, commissioning, and validation
- Understanding of Design for Assembly (DFA) and Design for Manufacture (DFM) principles
- Hands-on machining experience using mills, lathes, and other toolroom equipment
- Electrical wiring skills including crimping, terminating, and following schematics
- Strong problem-solving skills with a proactive and collaborative approach
Salary And Benefits
- Competitive Salary
- 25 days holiday plus bank/public hols
- Additional 3 days off over the festive period
- Employee Assistance Programme
- Company pension scheme
- Life Cover 3x salary
- Company bonus scheme
- Cycle to Work Scheme
Please apply today with your CV for this exciting role of Senior Machine Build Engineer.
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