Principal Cyber Defense Engineer (Splunk/SIEM) – Hybrid

Leonardo UK Ltd; Bristol; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

A leading technology firm in Bristol is seeking a Principal Cyber Security Engineer to safeguard national information systems. This hybrid role requires expertise in enterprise networking and security tools like Splunk. You will be involved in system management, troubleshooting, and improving security protocols. A comprehensive benefits package and a commitment to diversity are part of the opportunity.

Benefits

Time to Recharge

Secure your Future

Your Wellbeing Matters

Rewarding Performance

Never Stop Learning

Refer a friend

Tailored Perks

Flexible working

Qualifications

• Strong knowledge of enterprise networking, including TCP/IP networks, DHCP, and DNS.
• Experience troubleshooting network and system issues at the packet level.
• Operational experience with both Unix/Linux and Windows environments.

Responsibilities

• Take ownership of SIEM management to ensure high availability.
• Drive improvement in system configurations and security posture.
• Lead integration of new log sources with data structures.

Skills

Strong knowledge of enterprise networking

Experience troubleshooting network and system issues

Infrastructure build and configuration experience

Operational experience with Unix/Linux and Windows

Exposure to endpoint protection tools

Ability to troubleshoot complex enterprise applications

Familiarity with automation tools and scripting

Understanding of virtualisation and containerisation

Tools

Splunk

Puppet

Python

Perl

PowerShell

Go

Ansible

Job description

A leading technology firm in Bristol is seeking a Principal Cyber Security Engineer to safeguard national information systems. This hybrid role requires expertise in enterprise networking and security tools like Splunk. You will be involved in system management, troubleshooting, and improving security protocols. A comprehensive benefits package and a commitment to diversity are part of the opportunity.