Cyber Security Engineer

Salary: £30,000 - 55,000 per year

Requirements

• Strong coding and scripting background, including PowerShell, Python, and Regex
• Proven ability to work with APIs, including HTTP/S headers and responses and JSON objects
• Proven experience with proxy administration and changes
• Experience with Windows (SMB) and *Nix (NFS) remote storage
• Experience with IIS (Windows Web Server) configuration and Active Directory/LDAP authentication
• Experience with applying certificates, software updates, and end-of-life refresh activity
• Experience with VMware/Hyper-V virtual machines and virtual switches
• Experience in setting up, implementing, and maintaining cyber security tooling
• Experience with the creation, testing, and maintenance of AI or machine learning technologies to optimise workflows or playbooks
• Experience with SIEM (Security Information Event Management) technologies
• This position can start on SC Security Clearance and will later require DV Security Clearance

Responsibilities

• Lead on the technical aspects of ensuring cyber security appliance efficiency to support alert tuning, network visibility, and log ingesting to relevant toolsets
• Advise on implementation of new tools and lead the updating and expansion of existing capabilities
• Provide support by ensuring availability, readiness, and resilience of cyber security tool sets within in-scope environments
• Support the Cyber Security Capability Manager in ensuring Digital Excellence UK meets the challenges and demands of countering the cyber threat
• Work with other UK Cyber Security members on back-end refresh, playbook scripting, fault finding, cyber security tool upgrades, capability implementation, tool integration, data source on-boarding, and investigation activity
• Accountable for the effective mapping and topology of SOC toolsets, including integrations and feeds between solutions
• Enrich the visibility and optimisation of SOC tools through data modelling and tuning
• Maintain the primary SOC toolsets, ensuring availability, functionality, and optimisation
• Manage the daily muster and availability of all cyber security technologies within in-scope environments
• Track product lifecycle accurately and advise management of EOL/EOS roadmaps
• Support the coordination, planning, and execution of SOC appliance upgrades
• Support new capability implementation and integration to existing solutions across all cyber security pillars
• Implement cyber security tool changes and configuration, ensuring efficient reporting into CAB and control boards
• Lead playbook scripting activities, including documentation, testing, fault finding, and review of false positives
• Act as SME on SOC connectivity and visibility across all in-scope networks and infrastructure
• Lead back-end refresh activity on cyber security appliances, including certificate updates, patch releases, and software updates
• Attend DEX CAB and collate all impacting activities on cyber security alerting
• Attend DEX Incident and Issue red teams in support of root cause analysis and advise on cyber security changes that may impact other services
• Collaborate closely with DEX back office to maintain availability and efficiency of cyber security tools and recover any service outages or disruption
• Support the SOC in investigation activity using security platforms, custom searches, advanced queries, and scripts to find root cause or IOC of an alert

Technologies

• AI
• Active Directory
• HTTP
• Hyper-V
• Support
• JSON
• LDAP
• Machine Learning
• Network
• NFS
• PowerShell
• Python
• Security
• SMB
• VMware
• Web
• Windows

More

World Class Defence Organisation based in Stevenage, Hertfordshire is recruiting a Cyber Security Engineer subcontractor on an initial 24-month contract. The role is onsite five days per week, with hybrid/remote working noted as onsite 5 days per week, for 37 hours per week. Overtime over 37 hours is paid at time and a quarter. The contract is inside IR35 (umbrella), with an hourly rate of £92.11. The role sits within the Cyber Security Operations Centre (SOC) in Digital Excellence (DEX) UK and focuses on supporting cyber security tooling, alert tuning, integrations, visibility, resilience, and investigation activity across in-scope UK networks.

last updated 36 week of 2026