Principal Cybersecurity Researcher

Raytheon; Gloucester; On-site; GBP 50,000 - 90,000; Full time

Benefits offered by this job

25 days holiday

Private medical insurance

Generous pension contributions

Job summary

Raytheon UK is seeking a research-focused engineer to conduct vulnerability research, reverse engineering, and embedded systems work. You will design rapid prototypes to validate cyber capabilities and analyze network protocols to identify weaknesses.

The role involves collaborating with multidisciplinary teams, documenting methodologies, and managing small research teams. Flexibility and a strong growth mindset are valued in our collaborative environment.

Qualifications

• C/C++ or Python proficiency.
• Linux command-line & system config.
• Strong written and verbal communication.
• Networking concepts (TCP/IP, UDP)
• Analytical problem-solving capabilities.
• Rapid prototyping with Raspberry Pi/Arduino.
• Experience leading small research teams.
• Hardware prototyping/PCB design (desirable)
• Penetration testing tools (desirable)
• Reverse engineering tools (desirable)
• RF systems/SDRs knowledge (desirable)

Responsibilities

• Conduct vulnerability research, reverse engineering, and embedded systems work.
• Design rapid prototypes to validate cyber capabilities.
• Analyze network protocols and systems for weaknesses.
• Collaborate with multidisciplinary teams to deliver outcomes.
• Document methodologies, findings, and recommendations.
• Manage small research teams and report progress.
• Contribute to CRG strategic planning and operations.
• Support business development, including proposals.

Skills

C/C++

Python

Linux shell

Networking

Analytical thinking

Problem solving

Rapid prototyping

Embedded software

Team leadership

Research management

Tools

Arduino

GNU

DevSecOps

Embedded systems

Job description

Salary: £50,000 - 90,000 per year

Requirements:

• Proficiency in programming languages such as C, C++, or Python
• Strong working knowledge of Linux-based systems, including command-line tools and system configuration
• Excellent communication skills, both written and verbal
• Solid understanding of networking concepts and protocols (e.g. TCP/IP, UDP, DNS, HTTP, ICMP)
• Demonstrated analytical and problem-solving capabilities, with a methodical and inquisitive approach to technical problems
• Experience in rapid prototyping using technologies such as Raspberry Pi, Arduino, and virtualised environments
• Proven track record of managing research projects from concept through delivery
• (Desirable) Hardware prototyping, PCB design and microcontroller programming
• (Desirable) Experience using penetration testing or red team tools
• (Desirable) Reverse engineering using Ghidra, IDA Pro, or Binary Ninja
• (Desirable) Vulnerability research, including exploit development and mitigation bypass techniques
• (Desirable) Embedded software development on ARM, AVR, PowerPC or MIPS platforms
• (Desirable) Experience with Radio Frequency (RF) systems, Software Defined Radios (SDRs), 2G/4G/5G, including tools like GNU Radio, Osmocom, srsRAN or USRP
• (Desirable) Network engineering experience in home lab or professional environments

Responsibilities:

• Conduct deep-dive research in vulnerability discovery, reverse engineering, and embedded systems
• Design and build rapid prototypes to validate novel cyber capabilities and concepts
• Analyse network protocols and system behaviours to identify security weaknesses
• Collaborate with multidisciplinary teams to deliver research outcomes and technical solutions
• Document methodologies, findings, and recommendations for internal and external stakeholders
• Manage small research teams, track progress, and report to customers
• Contribute to CRGs strategic planning and operational management
• Support business development efforts, including proposal writing and technical briefings

Technologies:

• ARM
• Arduino
• DevSecOps
• Embedded
• GNU
• Hardware
• HTTP
• Support
• Linux
• Machine Learning
• Network
• Python
• Security
• TCP/IP
• C++

More:

We are Raytheon UK, providing DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber, and geospatial intelligence capabilities to support the defence, intelligence, and cyber sectors. Our team collaborates with customers and suppliers to deliver secure, mission-critical systems using the latest technologies and innovations. With a 37-hour working week, flexible working culture, and benefits such as 25 days holiday, private medical insurance, and generous pension contributions, we prioritize your growth and well-being. By joining us, you are not just advancing technology; you are becoming part of a community dedicated to building a safer and more connected world.

last updated 36 week of 2026