via reed · 3 June 2026 ·11 days ago

Senior Cyber Security Engineer

Adecco
London Contract
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Join Our Team as a Senior Cyber Security Engineer! £500/Day, Inside Scope

Are you ready to take your cyber security expertise to the next level? Our client is on the lookout for a dynamic Senior Cyber Security Engineer to join their innovative Cyber Security team for a 6-month temporary contract, starting ASAP! This is an incredible opportunity to play a crucial role in enhancing the security posture of an organisation leveraging state-of-the-art technologies like CrowdStrike and Splunk.

What You'll Be Doing:
As a Senior Cyber Security Engineer, you will:

  • Lead Endpoint Strategy: Oversee the deployment and configuration of the CrowdStrike Falcon platform, ensuring robust endpoint protection.

  • Master SIEM: Collaborate with our SOC partner to design and optimise Splunk dashboards and alerts, turning raw data into actionable intelligence to combat sophisticated threats.

  • Incident Response: Act as a technical escalation point for high-priority security incidents, employing EDR and SIEM tools for swift containment.

  • Automate Security Processes: Develop Security Orchestration, Automation, and Response (SOAR) workflows to minimise manual intervention and enhance response efficiency.

  • Conduct Threat Hunting: Utilise specialised queries to proactively identify undetected malicious activities within the environment.

  • Train the Team: Elevate the skill level of the existing team in CrowdStrike, Splunk, and security analysis.

What We're Looking For:
To be successful in this role, you should have:
  • Experience: A minimum of 5 years in Cyber Security Engineering or a Tier 3 SOC role.

  • CrowdStrike Expertise: Hands-on experience with Falcon Prevent, Insight, and Discover. Certifications such as CCFA or CCFR are a big plus!

  • Splunk Proficiency: Ability to write complex Search Processing Language (SPL) queries and manage Splunk Enterprise Security.

  • Technical Breadth: Strong knowledge of network protocols, cloud security (AWS/Azure), and the MITRE ATT&CK framework.

  • Vulnerability Assessment & Penetration Testing: Bonus points for experience with vulnerability assessment tools and exposure to penetration testing and web application testing.

Desired Qualifications:
  • Foundational Certifications: CompTIA Security+, Network+, CySA+, GSEC.

  • Advanced Certifications: CISSP, GCIH, GCIA, CCSP.

  • CrowdStrike Certifications: Ideally, you possess two or more of the following: CCFA, CCFR, CCSE.

  • Mandatory Splunk Certification: Splunk Certified Cybersecurity Defense Engineer.

Why Join Us?
  • Impactful Work: Join a team that is at the forefront of cyber security, working with cutting-edge tools and technologies.

  • Collaborative Environment: Work alongside talented professionals who share your passion for cyber security.

  • Professional Growth: Enhance your skills and knowledge while contributing to significant projects.

If you're excited about this opportunity and possess the required skills, we want to hear from you! Apply now to embark on an exhilarating journey in the world of cyber security.

Let's secure the future together!

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

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