Principal Cybersecurity Researcher

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 33 week of 2026