Job Title: Applications Engineer (Lab & Customer-Facing)
The information below covers the role requirements, expected candidate experience, and accompanying qualifications.
Location: Sheffield, UK (On-site)
Salary: Up to £85,000 (Depending on Experience)
Industry: Semiconductors / IC Design
Funding: Series A (£9M Raised)
About Us:
KO2 are working with a fast-growing, venture-backed semiconductor company based in Sheffield, developing next-generation IC-based silicon solutions with exceptional early customer feedback. Following a successful £9 million Series A funding round, we’re scaling our team to meet global demand from customers across Asia, Europe, and North America.
The Opportunity:
KO2’s client are looking for a Junior & Senior Applications Engineer to join the team in Sheffield. This is a hands-on, hybrid role that combines technical lab-based work with customer interaction. You’ll be central to bridging engineering and customer support — investigating and responding to technical enquiries, running measurements and tests in the lab, and communicating your findings directly to customers.
This is an ideal opportunity for someone with 2+ years of relevant industry experience or a technically strong individual looking to transition into a customer-facing role.
What You’ll Do:
* Perform in-depth lab testing and measurements on our silicon products
* Analyze, document, and communicate findings to internal teams and external customers
* Manage and respond to customer technical inquiries
* Represent the company at trade shows and industry events
* Collaborate with engineering and product teams to provide customer feedback
* Contribute to future planning of field applications support as we expand internationally
What We’re Looking For:
* A degree in Electronics, Physics, or a related engineering discipline
* 2+ years' experience in a semiconductor or electronics-focused role (preferred)
* Strong hands-on lab skills and the ability to troubleshoot hardware issues
* Excellent written and verbal communication skills
* Comfortable interfacing with customers and representing the business professionally
* Self-motivated and willing to work on-site full time in Sheffield
Nice to Have:
* Prior experience in an applications engineering or customer-facing technical role
* Familiarity with international semiconductor markets or manufacturing partners
* Mandarin language skills (not required, but helpful due to customer base)
Why Join Them?
* Be part of an ambitious startup with global growth plans
* Work closely with experienced engineers and founders
* Shape the direction of customer-facing engineering in a company with real momentum
* Competitive salary and opportunity for career progression