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Security Architect Lead
Job Posted: 4 hours ago
Salary: £ Competitive
Job Type: Contract
Location: City of London, London
Expire in: a month
Job Description
Splunk Engineer / Security Architect
Location: Hybrid - Remote with up to 2 days/week in
Contract Duration: 9 months (192 working days)
Active SC clearance required
Role Overview
We are seeking an experienced Splunk Engineer / Security Architect to lead strategic and tactical improvements to the SIEM and associated components across a large-scale hybrid security environment. You'll play a pivotal role in enhancing monitoring capabilities, driving SIEM convergence, and supporting the maturity of security operations.
This role is aligned to a national programme improving the government's ability to detect and respond to cyber threats across multiple portfolios. You'll work alongside the SIEM Product Owner and CSOC teams to define and deliver architectural and engineering enhancements using Splunk SaaS and related technologies.
Key Responsibilities
Produce and maintain architecture diagrams, high- and low-level design documentation
Lead configuration of Splunk and associated infrastructure (AWS EC2, S3, SQS, etc.)
Drive use case development aligned with CSOC and MITRE ATT&CK framework
Attend and represent the project at key technical forums (ADF, TDA, workshops)
Deliver improvements to SIEM architecture, use cases, automation, and data enrichment
Improve onboarding processes for directorates and manage onboarding QA
Lead integration of SOAR, Attack Analyzer, and other tooling into operational use
Standardise collection tier components using Infrastructure as Code (IaC) where possibleEssential Skills & Experience
Strong experience in Splunk SaaS as a lead engineer and/or architect
Deep understanding of SIEM Engineering & Architecture, particularly in CSOC environments
Demonstrated experience leading end-to-end SIEM improvement initiatives
Proven ability to define and implement change within complex cyber environments
Excellent documentation, communication, and stakeholder engagement skills
Solid AWS infrastructure knowledge (EC2, S3, SQS, etc.)Desirable Skills & Experience
Experience with SIEM convergence from legacy platforms
Familiarity with tools such as JIRA, Confluence, Git
Background in Ethical Hacking, IDAM, PKI, or broader information security disciplines
A team-oriented, adaptable mindset with a problem-solving approachRequired Qualifications
Splunk Cloud Administrator
Splunk Enterprise Security
Splunk SOAR Administrator
Splunk Certified Cybersecurity Defence Analyst
Cloud Security Architecture (CSA)
Microsoft Azure Infrastructure SolutionsDesirable Certifications
Certified Information Systems Security Professional (CISSP)
Ethical Hacking & Intrusion Prevention
Information Security Management Systems (ISMS)
Identity Access & Management (IDAM)Before You Apply
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