OptiTalent · Job Finder
Jobs in England, United Kingdom
12 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
1–12 of 12 jobs
Counts are paused for a minute after many searches; results are still current.
Senior Finance Administrator
6 weeks agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeSenior£33K – £39K a yearFinanceHere at CoreTech we continue to grow, and growth like ours creates opportunity. We're looking for an experienced Senior Finance Administrator to take real ownership within our Operations team – not just to keep the finance function running, but to help shape what it becomes as…
Integration and Test Engineer
7 weeks agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeEngineeringOur Software Engineering team develops bespoke capabilities for clients in the Cyber Security domain. We may be building assured products that prioritise engineering rigour and reliability, rapid solutions that bring together existing tooling for high-impact results, or blended…
Principal Systems Engineer
7 weeks agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeLead / staffEngineeringOur Software Engineering team develops bespoke capabilities for clients in the Cyber Security domain. We may be building assured products that prioritise engineering rigour and reliability, rapid solutions that bring together existing tooling for high-impact results, or blended…
Junior Vulnerability Researcher - September 2027
2 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeEntry level£38K a yearSecurityCoreTech Security’s mission is to deliver high-end security research and bespoke solutions to some of the most interesting cyber security clients in the UK. In practice, this means that we have built a world-class team of vulnerability researchers, reverse engineers, and…
Graduate Software Engineer - September 2027
3 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeEntry level£38K a yearEngineeringWe're seeking talented graduates with an active interest in multi-platform software engineering to join our world-class research and development team in September 2027.
Software Engineer
4 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeEngineeringAs part of our team, you may be:
Exploit Developer
4 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeEngineeringWorking for CoreTech as an Exploit Developer will see you join a world-class team of developers and researchers whose mission is to deliver bespoke products and research into the most interesting cyber security clients in the UK.
Android Security Researcher
6 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeSecurityAs an Android Security Researcher, you will be responsible for conducting cutting-edge research on the Android platform, developing working prototypes, reverse engineering (static and dynamic) and testing software to identify implementation vulnerabilities. Your expertise in…
Rapid Cyber Software Engineer
24 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeSecurityOur Capability Development team develops bespoke software for our clients in the Cyber Security domain. We may be building assured software that prioritises engineering rigour and reliability, rapid cyber solutions that stitch together tooling for high‑impact results, or…
Experienced Vulnerability Researcher
41 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
HybridFull-timeSeniorSecurityWorking for CoreTech as a vulnerability researcher will see you join a world-class team of developers and vulnerability researchers whose mission is to deliver bespoke products and research into the most interesting cyber security clients in the UK.
High-Integrity Software Engineer
41 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeEngineeringDesigning a new clean-slate product with complete autonomy over its architecture.; Adding new capabilities to, or replacing a core component of, an existing product.; Throwing together a quick-and-dirty prototype to confirm the feasibility of a proposed technical approach;…
Cyber Security Researcher
41 months agoCoreTech Security Services · Cheltenham, England, United Kingdom
On-siteFull-timeSecurityCoreTech is looking for candidates with a STEM background, which may also include experience of research, cyber security or ethical hacking, to join our team. Our team is highly experienced, deeply technical and passionate about delivering quality solutions that blend rapid…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.