TL;DR

L3 Security Analyst (Cybersecurity): Protecting millions of customers by performing advanced incident response and threat investigation with an accent on SIEM tuning, SOAR automation, and collaboration across global teams. Focus on solving complex security challenges, mentoring colleagues, and enhancing cyber defence posture.

Location: Hybrid in Newbury, United Kingdom

Company

Leading international telecommunications company focused on connectivity and sustainability, serving millions of customers globally.

What you will do

Perform advanced incident response and threat validation using cutting-edge security tools.
Collaborate with global teams on incident investigations and cyber defence improvements.
Mentor colleagues to enhance skills across the Cyber Defence Operations Center.
Fine-tune SIEM systems and automate response actions with SOAR.
Deliver insightful security reports and advisories to improve resilience.

Requirements

Location: Hybrid role based in Newbury, United Kingdom
At least 4 years of experience in security event analysis and incident response at SOC Level 2 or above.
Strong knowledge of networking protocols, Windows/Linux operating systems, and security technologies (SIEM, EDR, IDS/IPS, firewalls, proxies).
Hands-on experience with SIEM tuning and SOAR automation.
Familiarity with MITRE ATT&CK framework and cyber kill chain.
Knowledge of cloud platforms (Azure, AWS, Google Cloud) and scripting/programming skills.
English proficiency: B2 level or higher

Nice to have

Certifications such as GCIA, GCIH, GCFA, GNFA, CEH, or ECSA.
Passion for continuous learning and professional development.

Culture & Benefits

Hybrid working model with flexible work-life balance.
Yearly bonus of 10% and 28 days annual leave plus bank holidays.
Generous parental leave including fully paid maternity leave for 13 weeks.
Private pension with company matching contributions.
Access to private medical and dental care, health assessments, and share save scheme.
Additional discounts on retail, gym, cinema, cycle to work, and season ticket loan.