Principal Vulnerability Researcher

Date Posted:

2026-02-23

Country:

United Kingdom

Location:

Gloucester, South Gloucestershire

Position Role Type:

Hybrid

Role Overview

Raytheon UK’s Cyber Research Group (CRG) is seeking a highly skilled and analytically driven Vulnerability Researcher to support advanced research and development initiatives. The successful candidate will conduct in-depth technical investigations across hardware and software systems to identify security vulnerabilities, develop bespoke tools, and contribute to the discovery and analysis of emerging threats. This role requires a strong technical foundation, problem-solving ability, and the capacity to work collaboratively within multidisciplinary teams.

Key Responsibilities

• Perform hardware and software teardowns, characterisation, and reverse engineering.

• Conduct detailed analysis of platforms to identify security weaknesses, bugs, and potential exploits.

• Examine network protocols and system behaviours to uncover vulnerabilities.

• Collaborate with cross-functional teams to deliver innovative technical solutions and research outcomes.

• Produce clear, structured documentation of findings, methodologies, and recommendations for both internal and external stakeholders.

• Lead teams of researchers and report to customers.

• Assist with business development activities and winning new work.

Essential Skills and Experience

· Proficiency in at least one programming language (C, C++, Python).

· Familiarity with assembly language (reading or writing).

· Experience in reverse engineering using tools such as IDA Pro, Ghidra, or Binary Ninja.

· Strong knowledge of Linux-based systems, including command-line tools and system configuration.

· Demonstrated analytical and problem-solving skills, with a methodical and inquisitive approach to technical challenges.

· Solid understanding of network protocols.

· Ability to rapidly learn and adapt to new technologies and domains.

Desirable Experience

· Proven track record of identifying, analysing, and reporting vulnerabilities in complex systems.

· Experience using or developing fuzzers.

· Practical experience emulating hardware platforms with QEMU or similar tools to support security research and analysis.

· Embedded software development for platforms such as ARM Cortex, AVR, or MIPS.

· Familiarity with Radio Frequency (RF) systems and Software Defined Radios (SDRs), including 2G/4G/5G technologies and tools such as GNU Radio, Osmocom, srsRAN, or USRP.

· Network engineering experience (professional or home lab).

· Hardware development and prototyping, including PCB design and microcontroller programming.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.  

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