Principal Engineer Jobs in UK 2026 (GBP 200,000 to 250,000) in London

Principal Engineer Jobs in UK 2026 (GBP 200,000 to 250,000) in London

London Full-Time 70000 - 90000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Design and build next-gen cybersecurity systems using advanced analytics and automation.
  • Company: Global financial services firm focused on tech-driven security transformation.
  • Benefits: Competitive salary, visa sponsorship, and opportunities for career progression.
  • Other info: Join a dynamic team and influence large-scale security systems.
  • Why this job: Make a real impact in cybersecurity while working with cutting-edge technology.
  • Qualifications: Extensive cybersecurity experience and strong software engineering skills required.

The predicted salary is between 70000 - 90000 £ per year.

Enterprise cybersecurity continues to evolve rapidly as financial institutions invest heavily in advanced threat detection, automation, and large-scale security analytics. This Principal Cybersecurity Engineer role in London offers senior technical leaders the opportunity to work on complex, data-driven security systems at scale while contributing to high-impact engineering direction within a global financial services organisation. The role includes visa sponsorship for eligible candidates.

About the Role

The Principal Cybersecurity Engineer role focuses on designing and building next-generation security capabilities that leverage large-scale telemetry, advanced analytics, and automation. The position combines deep cybersecurity expertise with strong software engineering skills, with significant hands-on coding responsibility. The role is designed for senior technical leaders who operate as individual contributors while influencing engineering strategy and technical direction.

About the Hiring Organisation

The hiring organisation is a global financial services company with a strong focus on technology-driven security transformation. The organisation invests heavily in building modern cybersecurity infrastructure capable of handling complex threats across distributed systems.

Job Duties

  • Design and develop advanced cybersecurity detection systems using large-scale data and telemetry.
  • Build automation tools for threat detection, incident response, and security operations.
  • Develop software components for anomaly detection and behavioural analytics.
  • Work on cybersecurity engineering problems involving complex distributed systems.
  • Create and optimise pipelines for processing and analysing security data at scale.
  • Lead technical workshops and contribute to engineering best practices across teams.
  • Influence architectural decisions for cybersecurity platforms and systems.
  • Collaborate with security, data, and engineering teams to improve threat visibility.
  • Write and maintain production-grade code for security tooling and systems.
  • Research and implement new approaches to cyber threat detection and prevention.

Job Requirements

  • Extensive experience in cybersecurity engineering or related fields.
  • Strong software engineering skills with significant hands-on coding ability.
  • Experience working with security telemetry, threat detection, or analytics systems.
  • Background in offensive security, security product development, or large-scale engineering environments.
  • Deep understanding of cybersecurity principles, threat models, and detection strategies.
  • Ability to design and implement complex distributed systems.
  • Experience working with data-driven security or anomaly detection systems.
  • Strong leadership and communication skills for technical influence.
  • Ability to operate as a senior individual contributor in a high-impact environment.
  • Experience working in financial services or regulated environments is an advantage.

This Principal Cybersecurity Engineer role represents a rare opportunity for senior engineers who want to remain deeply technical while influencing large-scale cybersecurity systems. With exposure to advanced threat detection, engineering leadership, and high-impact financial systems, the position offers significant career progression within enterprise cybersecurity and data-driven security architecture.

Principal Engineer Jobs in UK 2026 (GBP 200,000 to 250,000) in London employer: NewsNowGh

As a leading global financial services organisation, we pride ourselves on fostering a dynamic work culture that champions innovation and technical excellence. Our London-based Principal Cybersecurity Engineer role not only offers competitive remuneration but also provides extensive opportunities for professional growth, collaboration with top-tier talent, and the chance to influence cutting-edge cybersecurity strategies in a rapidly evolving landscape. With a commitment to employee development and a focus on technology-driven security transformation, we are dedicated to creating a rewarding environment for our team members.

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Contact Details:

NewsNowGh Recruitment Team

We think you need these skills to ace Principal Engineer Jobs in UK 2026 (GBP 200,000 to 250,000) in London

Problem-Solving Skills
Python
SQL
Communication Skills
Automation
Data Engineering
Data Pipeline Development