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SRE Security Engineer

Opus Recruitment Solutions LtdLondon🇬🇧United KingdomPosted 5 Aug 2026

Why This Role Stands Out

This SRE Security Engineer role offers a unique opportunity to safeguard critical UK government systems, developing your expertise in advanced security architecture and Splunk within a mission-driven environment. You'll thrive here if you possess strong security engineering skills and a passion for designing and implementing robust security controls to protect complex enterprise landscapes. Apply now to make a significant impact in a highly visible program.

Quick Overview

Work Type
On Site
Schedule
Temporary/Casual
Level
Mid Senior

Job Description

Role:SRE Security Engineer
Location:London (Hybrid - Once in a month onsite)
Type:Contract (Inside IR35)
Duration:9 Months
Clearance Required: Active SC

Overview
We're looking for an experienced SRE Security Engineer to join a high-profile UK Central Government programme, playing a critical role in securing enterprise systems, applications, platforms and infrastructure against evolving cyber threats. This is an excellent opportunity for a security professional with strong Security Architecture and Splunk expertise to work on mission-critical environments, helping to design, implement and continuously improve security controls across complex enterprise landscapes.
You will collaborate with cross-functional teams, contribute to security strategy, and provide technical leadership in a security-focused engineering environment.

Key Responsibilities
  • Design, build and implement secure enterprise architectures and security controls
  • Protect systems, applications, data, infrastructure and business processes from cyber threats
  • Conduct security assessments, audits and vulnerability reviews
  • Develop and maintain security monitoring and detection capabilities using Splunk
  • Investigate security events and provide recommendations for remediation
  • Work closely with engineering, operations and architecture teams to embed security-by-design principles
  • Support platform security initiatives across cloud and on-premises environments
  • Contribute to technical discussions and provide solutions to complex security challenges
  • Stay up to date with emerging threats, vulnerabilities and security technologies
Required Skills & Experience

Advanced experience in Security Engineering and Security Architecture

Strong knowledge of:
  • Enterprise Security Architecture (ESA)
  • Security Architecture Design
  • Splunk Enterprise/Splunk Enterprise Security
  • Threat Detection and Monitoring
  • Security Risk Assessment
  • Vulnerability Management
  • Security Controls and Governance
Experience securing enterprise platforms and infrastructure
Ability to work independently and operate as a Subject Matter Expert (SME)
Strong stakeholder management and communication skills

Desirable Skills
  • Platform Security expertise
  • Cloud Security (AWS, Azure or GCP)
  • SIEM and Security Operations Centre (SOC) experience
  • DevSecOps practices
  • Infrastructure as Code security
  • Incident Response and Threat Hunting
  • Knowledge of UK Government security standards and frameworks
What You'll Bring
  • A proactive and security-first mindset
  • Strong analytical and problem-solving skills
  • Experience working within complex enterprise environments
  • The ability to influence technical decisions and drive security best practice
  • A collaborative approach with a passion for improving security posture
Apply Now
If you're an experienced SRE Security Engineer with active SC Clearance, strong Splunk expertise and a background in Security Architecture, we'd love to hear from you.

Skills

GCP
AWS
Splunk
Azure
Stakeholder Management

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