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Posted 07 August, 2026

SRE Security Engineer

Opus Recruitment Solutions Ltd
London, ENG, GB Full Time

Job Description

Role:SRE Security Engineer\n
Location:London (Hybrid - Once in a month onsite)\n
Type:Contract (Inside IR35)\n
Duration:9 Months\n
Clearance Required: Active SC\n
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Overview\n
\nWe'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.\n
\n You will collaborate with cross-functional teams, contribute to security strategy, and provide technical leadership in a security-focused engineering environment.\n
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Key Responsibilities\n
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  • Design, build and implement secure enterprise architectures and security controls
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  • Protect systems, applications, data, infrastructure and business processes from cyber threats
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  • Conduct security assessments, audits and vulnerability reviews
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  • Develop and maintain security monitoring and detection capabilities using Splunk
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  • Investigate security events and provide recommendations for remediation
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  • Work closely with engineering, operations and architecture teams to embed security-by-design principles
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  • Support platform security initiatives across cloud and on-premises environments
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  • Contribute to technical discussions and provide solutions to complex security challenges
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  • Stay up to date with emerging threats, vulnerabilities and security technologies
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Required Skills & Experience\n
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\n Advanced experience in Security Engineering and Security Architecture\n
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\n Strong knowledge of:\n
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  • Enterprise Security Architecture (ESA)
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  • Security Architecture Design
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  • Splunk Enterprise/Splunk Enterprise Security
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  • Threat Detection and Monitoring
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  • Security Risk Assessment
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  • Vulnerability Management
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  • Security Controls and Governance
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Experience securing enterprise platforms and infrastructure\n
\n Ability to work independently and operate as a Subject Matter Expert (SME)\n
\n Strong stakeholder management and communication skills\n
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Desirable Skills\n
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  • Platform Security expertise
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  • Cloud Security (AWS, Azure or GCP)
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  • SIEM and Security Operations Centre (SOC) experience
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  • DevSecOps practices
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  • Infrastructure as Code security
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  • Incident Response and Threat Hunting
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  • Knowledge of UK Government security standards and frameworks
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What You'll Bring\n
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  • A proactive and security-first mindset
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  • Strong analytical and problem-solving skills
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  • Experience working within complex enterprise environments
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  • The ability to influence technical decisions and drive security best practice
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  • A collaborative approach with a passion for improving security posture
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Apply Now\n
\nIf 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.