Principle IT Security Specialist in London
Principle IT Security Specialist

Principle IT Security Specialist in London

London Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Robert Half

At a Glance

  • Tasks: Design and operate a centralised SIEM platform while leading incident response efforts.
  • Company: Join a small, elite team focused on solving high-impact security challenges.
  • Benefits: Competitive pay, equity options, and a fast-paced environment with immediate impact.
  • Other info: British citizenship needed for security clearance; diverse and inclusive workplace.
  • Why this job: Make a real difference in IT security while working with cutting-edge technologies.
  • Qualifications: Experience in security log analysis, incident investigation, and system hardening required.

The predicted salary is between 60000 - 80000 £ per year.

Operating as a small, elite, and highly capable team, it focuses on solving complex, high-impact problems quickly and effectively.

They are seeking a Lead IT Security Specialist to join a talent-dense environment where every individual plays a critical role in shaping both technical direction and organisational capability. The IT Security Specialist will:

  • Design, build, and operate a centralised SIEM platform to aggregate and analyse security logs across infrastructure, networks, and applications.
  • Own security log analysis, vulnerability management, and incident investigation, including defining baselines and developing alerting rules for critical events.
  • Lead incident response efforts, using log correlation and analysis to investigate and resolve security issues quickly and effectively.
  • Define and implement system and application hardening standards, ensuring strong, consistent security configurations across environments.
  • Collaborate with Information Security and leadership teams to ensure compliance with relevant standards and frameworks (e.g. ELK Stack, OpenSearch, Wazuh, Microsoft Defender), with proven incident investigation experience in production environments.
  • Strong expertise in Linux and Windows system hardening, with familiarity across frameworks such as CIS Benchmarks or STIGs.

Due to the nature of the work, applicants must be British citizens (or dual nationals with British citizenship) and eligible for UK Security Clearance (SC), with the potential requirement for Developed Vetting (DV).

A fast-paced setting where ideas are implemented quickly and security improvements have immediate impact.

Competitive compensation and meaningful equity aligned to impact and responsibility.

Robert Half is committed to diversity, equity and inclusion. Rates of pay and salary ranges are dependent upon your experience, qualifications and training.

If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data.

Principle IT Security Specialist in London employer: Robert Half

Join a dynamic and innovative team in London as a Principal IT Security Specialist, where your expertise will directly contribute to building Europe's hypersonic capability. Enjoy a hybrid working model that promotes work-life balance, alongside competitive compensation and equity opportunities that reflect your impact and responsibility. With a strong focus on diversity, equity, and inclusion, this role offers a unique chance to thrive in a fast-paced environment that values your contributions and fosters professional growth.
Robert Half

Contact Detail:

Robert Half Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principle IT Security Specialist in London

✨Tip Number 1

Network like a pro! Reach out to folks in the industry on LinkedIn or at local meetups. We all know that sometimes it’s not just what you know, but who you know that can get you in the door.

✨Tip Number 2

Prepare for those interviews by brushing up on your technical skills and understanding the latest trends in IT security. We recommend practising common interview questions and scenarios related to incident response and log analysis.

✨Tip Number 3

Showcase your passion for security! During interviews, share your personal projects or experiences that highlight your skills in system hardening and vulnerability management. We want to see your enthusiasm shine through!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to connect with us directly.

We think you need these skills to ace Principle IT Security Specialist in London

SIEM Platform Design
Security Log Analysis
Vulnerability Management
Incident Investigation
Log Correlation
Incident Response
System Hardening Standards
Application Hardening Standards
Compliance with Security Standards
ELK Stack
OpenSearch
Wazuh
Microsoft Defender
Linux System Hardening
Windows System Hardening

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the role of Principle IT Security Specialist. Highlight your experience with SIEM platforms, incident response, and security log analysis. We want to see how your skills align with what we're looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about IT security and how you can contribute to our elite team. Be sure to mention any relevant frameworks or tools you've worked with.

Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled complex security issues in the past. We love candidates who can think on their feet and come up with effective solutions quickly!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity. Don’t miss out!

How to prepare for a job interview at Robert Half

✨Know Your Tech Inside Out

Make sure you’re well-versed in the technologies mentioned in the job description, like SIEM platforms and security frameworks. Brush up on your knowledge of ELK Stack, OpenSearch, and Wazuh, as well as your incident investigation experience. Being able to discuss these confidently will show that you’re not just a candidate, but a potential asset.

✨Demonstrate Problem-Solving Skills

Prepare to share specific examples of how you've tackled complex security issues in the past. Think about times when you led incident response efforts or implemented hardening standards. This will help illustrate your ability to think critically and act decisively in high-pressure situations.

✨Understand Compliance Standards

Familiarise yourself with relevant compliance standards and frameworks, such as CIS Benchmarks or STIGs. Be ready to discuss how you’ve ensured compliance in previous roles, as this is crucial for the position. Showing that you understand the importance of these standards will set you apart from other candidates.

✨Show Your Team Spirit

Since this role involves collaboration with various teams, be prepared to talk about your experience working in a team-oriented environment. Highlight instances where you’ve successfully collaborated with leadership or information security teams to achieve common goals. This will demonstrate that you’re not just technically skilled, but also a great team player.

Principle IT Security Specialist in London
Robert Half
Location: London

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