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Prototype Technician

Prototype Technician

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Information Technology

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About Costain and your project.

Costain helps to improve people’s lives by deploying technology-based engineering solutions to meet urgent national needs across the UK’s energy, water and transportation infrastructures.


Costain Integrated Technology Solutions provide integrated hardware and software based solutions across a broad spectrum of traffic monitoring and management requirements. 


We are seeking an experienced and enthusiastic Prototype Technician to work for an innovative UK engineering and technology company.  We produce bespoke products to fulfil customer requirements in harsh and hazardous environments, including CCTV, 3G/4G connected sensors and communications equipment. All products produced are subject to accredited external testing for an industrial environment.

The right candidate will be motivated to facilitate the hardware engineer’s development of products and capable of delivering assemblies, drawings and modification to PCBs. You will be able to demonstrate experience of developing wiring and components of embedded products. Testing of electronic assemblies at a hardware level will be required, testing of embedded products as a system will be a plus. You will be in a hardware development group responsible for development for the electronic, electrical and mechanical aspects of embedded systems, and to produce these systems in conjunction with software, test and services group.

What will I be doing?

  • Collaborate with hardware engineers and assist by building, planning and modifying components
  • Work from incomplete schematics, drawings and part lists to produce and fit prototype wiring looms using hand crimp tools, preferably to IPC-620
  • Assembly of prototypes (metalwork, enclosures, PCB, wiring) based on incomplete information
  • Modification of prototypes (metalwork, enclosures, PCB, wiring) to provide a solution
  • Estimation of effort to prototype from incomplete engineering drawings
  • Estimation of production effort required based upon drawings
  • Documentation/review (drawings and part lists) of wiring looms/schematics
  • Documentation/review of production test procedures on developed hardware
  • Soldering to remove/replace/modify surface mount components down to QFP and 603 size, QFN and 402 preferred
  • Understanding of PCB schematics, regarding wiring interfaces
  • Understanding of mechanical CAD drawings

About you

  • A strong productive work ethic and attitude
  • Used to working under pressure and meeting deadlines
  • Wiring of looms from schematics, and production of drawings from looms
  • Assemble and test electronic hardware
  • Proficient with multi-meters and oscilloscopes
  • Ability to modify mechanical components with hand tools
  • Ability to solder surface mount components to a high standard
  • Troubleshoot embedded systems
  • Experience of bespoke equipment manufacture to customer requirements
  • Microsoft office capable (Word, Excel, Outlook)
  • IT proficient (web-based tools and networked filing systems)

Final Statement

We listened to our employees so our Core Benefits are funded by us and include a Group Pension Scheme, Employee Assistance Programme, Life Assurance, Income Protection and funded membership to a Professional Institute. In addition to this we also offer a Private Healthcare Scheme, Private Dental Scheme, Childcare Vouchers, Cycle to Work, Volunteering Days and Save as You Earn Scheme.   


At Costain we ensure that we are an accessible, diverse and inclusive organisation to continue to meet our customers’ needs. We will be industry leading in our approach and people from all backgrounds will be proud to work for Costain. Our goal is to have a workforce that is representative of society.


We actively encourage applications from candidates who have a relationship with the armed forces community whether as a currently serving member or reservist, ex-military or wounded personnel or as a member of a service family.