Splunk Specialist

We are seeking an experienced System Specialist (Splunk) to join a high-performing Security Operations Centre (SOC) team supporting a critical programme of work. This is an exciting opportunity for a hands-on Splunk professional with strong Unix administration skills and a SecDevOps mindset to support ongoing SIEM operations, upgrades, migrations and service improvements.

The successful candidate will provide end-to-end support for the Splunk platform, ensuring optimal system health, performance and security while contributing to automation and operational efficiencies. Key Responsibilities

• Provide end-to-end administration and support of the Splunk SIEM platform.
• Conduct Splunk health checks and performance monitoring across the environment.
• Support planned migrations, upgrades and platform enhancement activities.
• Create, maintain and optimise Splunk alerts, dashboards and reports.
• Produce and maintain technical documentation and operational procedures.
• Deploy and manage Splunk Technology Add-ons (TAs).
• Troubleshoot platform issues and implement corrective actions.
• Work closely with SOC analysts, engineers and wider security teams.
• Manage and modify configuration files, deploying changes through Git/GitLab repositories.
• Support automation initiatives through scripting and process improvement.

• Strong hands-on experience administering and supporting Splunk Enterprise environments.
• Experience providing end-to-end SIEM support within enterprise or security-focused environments.
• Solid understanding of Splunk upgrades, health checks, monitoring and troubleshooting.
• Strong Unix/Linux administration skills.
• Experience performing Unix maintenance and administrative tasks.
• Proficiency in Unix shell scripting.
• Experience creating and maintaining Splunk dashboards, alerts and documentation.
• Regular use of GitLab/Git for version control and configuration management.
• Experience managing application configuration files and deployments.
• Strong analytical and problem-solving skills.
• Active SC Clearance.

Desirable Skills

• PowerShell scripting and automation experience.
• Exposure to DevSecOps or SecDevOps practices and tooling.
• Experience supporting large-scale or government security environments.
• Knowledge of SIEM migration projects.
• Familiarity with automation and infrastructure-as-code principles.

• Long-term contract opportunity with strong extension potential.
• Work on a high-profile security programme.
• Collaborative SOC environment with cutting-edge security technologies.
• Competitive daily rate.
• Opportunity to contribute to SIEM transformation and operational improvement initiatives.

Please note: Due to the nature of the project, applicants must hold active SC Clearance and be eligible to work onsite in Newport.