Overview

I’m currently partnering with a leading international organisation headquartered in London that’s undergoing a major transformation of its security landscape. As part of this growth, they’re looking to appoint a Principal Information Security Engineer to strengthen their enterprise and cloud security posture.The Role

This is a critical technical leadership position focused on implementing and optimising security controls across complex hybrid environments. You’ll be responsible for driving Zero Trust architecture, network segmentation, and championing secure-by-design practices in collaboration with engineering, cloud, and business teams.Key Responsibilities

Lead end-to-end threat assessments and influence secure architecture across enterprise projectsDeploy and optimise core security tools (EDR, PAM, AV, DNS, DLP, Cloudflare)Conduct threat modelling, risk assessments, and proactively hunt for threatsCollaborate with IT teams to roll out segmentation and extend Zero Trust across environmentsTake ownership of attack surface reduction, including Red Teaming and vulnerability managementContribute to compliance efforts across GDPR, NIS, ISO 27001Essential experience and skills

Strong hands-on experience across operating systems (Windows and Linux), cloud security (AWS, Azure), and enterprise security toolingPractical knowledge of MITRE ATTandCK, TTPs, and Red Team/Blue Team tacticsExperience in scripting (PowerShell, Python, Bash) and tools like Metasploit, Burp Suite, Rapid7 InsightVM, and Nmap NSEBackground in telco or highly regulated environments preferred (e.g., familiarity with UK Telecom Security Act)Relevant security certifications such as CISSP, CCSP, GCIH or similar are highly desirableSalary and Location

Salary : Up to £95,000 + bonus + packageLocation : London (good work from home options available)Application

If you are interested in this Principal Information Security Engineer position and meet the above requirements please apply immediately.Seniority level

Mid-Senior levelEmployment type

Full-timeJob function

Information TechnologyProject ManagementEngineeringIndustries

TelecommunicationsTechnologyInformation and MediaInsurance

#J-18808-Ljbffr