Principal Cyber Researcher

Ref: ZR_9602_JOB  ·  Posted on 29 September 2026

Introduction

Our client is looking for a Principal Cyber Researcher to join their dedicated team working on cutting-edge research projects within a Government and Defence environment.

 

You'll be conducting cutting-edge research across multiple cyber domains — from vulnerability discovery and reverse engineering to prototype development and threat analysis.

 

You will lead projects and programmes, small teams and client interactions to deliver research outcomes and technical solutions.

 

Working Patterns and location – Hybrid – 3-4 days per week onsite.

Key responsibilities

• Conduct deep-dive research into 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 project progress, and report findings to customers.

Skills & experience

• Proficiency in programming languages such as C, C++, or Python.

• Linux-based systems including command-line tools and configuration.

• Networking concepts and protocols such as TCP/IP, UDP, DNS, and HTTP.

• Experience with rapid prototyping using Raspberry Pi, Arduino, or virtualised environments.

• Project/programme management skills and ability to communicate with technical and non-technical audiences.

• Vulnerability research experience including exploit development and mitigation bypass techniques.

Additional benefits

• 25 days holiday (increasing to 27 days) + statutory public holidays.

• Contributory Pension Scheme (up to 10.5% company contribution).

• 6 times salary 'Life Assurance'.

• Flexible Benefits scheme.

• Discretionary Bonus scheme.

• Enhanced family friendly policies.

• 37hr standard working week, with an early finish on Fridays whilst operating a 'Hybrid Working Model'

Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds.

Part-time opportunities/flexible working is available to suit individual needs.

RECOMMEND A FRIEND: If you have professional friends/colleagues who would be interested in one of our roles and our excellent levels of service too, we'd like to recognise your recommendations with a 'thank you' of our own. For every friend you refer who then starts a role through Datasource either Contract or Permanent, we will send you £200 of Love to Shop Gift Vouchers & gift your friend £100 in Love to Shop Gift Vouchers as well!

You will be required to hold a minimum of DV Clearance. If you do not hold an active DV Clearance, please familiarise yourself with the vetting process before applying.

(c) Copyright Datasource Computer Employment Limited 2026.

Apply for role
Cyber

Refer your friend: We want to give you a Netflix or Amazon Prime subscription and £250 Love2Shop vouchers!

Refer your friend
Refer your friend:
Contact us

Let's connect and work together!

Start the conversation

Submit CV  ·  Submit Vacancy