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Cyber security researcher

Cheltenham
Limelight Health
Security researcher
€45,000 a year
Posted: 20 April
Offer description

CoreTech 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 development, security research and software engineering skills.

Our Research team uses a wide range of tools, programming languages and emerging technologies to develop rapid prototypes, minimal viable products and world‑class research that has meaningful real‑world impact. The work is conducted in a fast‑paced and dynamic environment, which results in solutions to some of the most complex cyber security challenges faced by the UK. This means no two days are the same and project requirements can quickly change based on your experience, understanding and input.

We are looking for skills in a variety of technologies, but experience with C, C++, Python, operating system internals, embedded systems, network packet analysis or machine learning would be advantageous. Equally, the role requires an inquisitive mindset, persistence, and enthusiasm for solving difficult research tasks, which can often appeal to those with a technologist, scientific or mathematical background.


As part of our team, you will

* Work alongside hugely talented and respected researchers, vulnerability researchers and software engineers.
* Tackle a wide range of challenging problems using various technologies.
* Conduct cutting‑edge, novel and world‑leading research.
* Design and produce niche solutions with immediate real‑world impact.
* Use your skills and experience to propose new ways of doing things.
* Continually learn new skills and technologies.


An ideal candidate will

* Have a passion for cyber security and/or technology.
* Thrive on solving difficult and complex problems.
* Have a genuine interest in how technology works and how it can be applied in different ways.
* Enjoy sharing their knowledge and working with team members.
* Work with various technologies and programming languages, with uncertain outcomes, to achieve something new.


Your Experience

* Reverse engineering in IDA Pro or Ghidra.
* Familiarity with Wireshark or other network packet analysis tooling.
* Ethical hacking.
* Network and protocol analysis.
* Hardware debugging (UART, JTAG, SWD).
* Knowledge of exploitation techniques and mitigations.
* Experience and knowledge of operating system internals, including Linux, Windows and embedded systems.
* Experience and knowledge of Android or iOS, and its internals.
* Familiarity with C, C++ or Python.
* RF technologies and Software‑Defined Radio.
* An inquisitive nature.
* Problem solver.

We are recruiting at all grades from junior consultants through to highly experienced principal consultants. This vacancy is aimed at our junior, consultant and lead grades.

This role will require skills and experience in the areas listed. At a junior level a passion and enthusiasm for the subject with an understanding of core principles is required. As the grades progress we’re looking for increased experience and deeper expertise in some of the areas listed as well as the ability to lead technical projects.

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