STI logo
  • Company
    Company
    • About STI
    • Our Team
    • Quality Assurance
    • Corporate Responsibility
    • Diversity and Equal Opportunities
  • Customer Focus
    Customer Focus
    • Customer Focus Overview
    • Our Markets
  • Insights
  • Careers
  • Contact
STI logo
  • Company
    Company
    • About STI
    • Our Team
    • Quality Assurance
    • Corporate Responsibility
    • Diversity and Equal Opportunities
  • Customer Focus
    Customer Focus
    • Customer Focus Overview
    • Our Markets
  • Insights
  • Careers
  • Contact

Careers at STI

Engineering and operations roles in trusted UK sites.

Team at work
Scroll to explore
Blue gradient background

Taking pride in our high standards

Our work is delivered by experienced, qualified & accredited teams who take pride in working to a high standard. We build complex electronic systems for defence, aerospace and security applications, so we look for people who value accuracy, steady execution and clear communication.

We have a stable workforce across our UK sites, with many colleagues choosing to build long careers here. Our facilities are clean, modern and practical, with on-site training, structured processes and the right environment to develop technical skills. Our on-site Training Academy supports continuous skills development across all roles.

Training academy

Our on-site Training Academy develops the skills that keep the UK defence supply chain strong. Every engineer employed at STI is trained to deliver to IPC 610 standard and undergoes continuous training and developments to strengthen skills and deliver to the most demanding standards within Defence and Aerospace.

STI is a practical and supportive place to build a career. Colleagues share experience, look out for one another and take pride in doing things to a high standard. The work is varied and technical, and there is room to develop new skills as you grow.

Purple gradient

Current opportunities

We welcome applications from individuals who share our values and want to work in a secure, engineering led environment.

View our vacancies website

View our Equality, Diversity and Inclusion policy

Blue gradient background

STI is a practical and supportive place to build a career. Colleagues share experience, look out for one another and take pride in doing things to a high standard.

STI Employee

Female in the factory wearing a labcoat and goggles

Ready to deliver for you as your trusted partner.

Contact us

Proudly UK sovereign. All work delivered by qualified and experienced teams.

Company

  • About STI
  • Our Team
  • Quality Assurance
  • Corporate Responsibility
  • Diversity and Equal Opportunities
  • Contact

Customer Focus

  • What We Do
  • Our Markets

Legal

  • Privacy Policy
  • T&Cs of Sale
  • T&Cs of Purchase
  • Modern Slavery Act
  • Cookie Policy

Registered Office: 4th Floor, 24 Old Bond Street, London, England, W1S 4AW. Registered in England Number: 02292621.
VAT Registration Number: 260 9861 81. © 2025 STI Limited. All Rights Reserved.

This website has been Made with Maturity

Manage Consent
To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
  • Manage options
  • Manage services
  • Manage {vendor_count} vendors
  • Read more about these purposes
View preferences
  • {title}
  • {title}
  • {title}