Splunk SIEM Engineer

Undisclosed; Knutsford; On-site; GBP 93,733 - 122,991; Full time

Job summary

Undisclosed in Knutsford, United Kingdom, is seeking a Splunk SIEM Engineer on a contract to run until 30 November 2026. You will design, develop and improve security software and SIEM capabilities for our clients, leveraging multiple engineering methodologies.

The role requires hands-on experience with Splunk Enterprise Security, Microsoft Sentinel, Cribl, and incident response in large enterprises, plus strong technical writing to produce runbooks and procedures for diverse audiences.

Qualifications

• Experience with Splunk Enterprise Security, Microsoft Sentinel, and SIEM architecture.
• Strong analytical skills in threat detection, incident response, and security event analysis.
• Hands-on log ingestion, data routing, and parsing in Splunk Enterprise.

Responsibilities

• Design, develop and improve security software and SIEM capabilities.
• Implement threat detection, incident response, and security event analysis.
• Create runbooks and procedures; translate security concepts for diverse audiences.
• Support data ingestion and parsing in Splunk Enterprise and Cribl.

Skills

SIEM expertise

Security operations

Data pipeline management

SOAR & automation

Network security fundamentals

Documentation & communication

Tools

Splunk Enterprise Security

Microsoft Sentinel

Cribl

Job description

Duration: contract to run until 30/11/2026

Rate: up to £587.33 p/d Umbrellainside IR35

Join us as Splunk SIEM Engineer where you must design, develop and improve software, utilizing various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

Looking for a successful Splunk SIEM Engineer, where one should have experience with:

• Multi-Platform SIEM Expertise: Proven experience with Splunk Enterprise Security, Microsoft Sentinel, and SIEM architecture including data models, correlation rules, and administrative functions.
• Security Operations: Strong analytical skills in threat detection, incident response, and security event analysis with experience in large enterprise environments (10,000+ endpoints).
• Data Pipeline Management: Hands‑on experience with log ingestion, data routing, and transformation using tools like Cribl, plus understanding of data normalisation and parsing in Splunk Enterprise.
• SOAR & Automation: Experience with Security Orchestration platforms, playbook development, and automated response workflows for incident management.
• Network Security Fundamentals: Working knowledge of network architectures, firewalls, proxies, and common attack vectors with troubleshooting expertise.
• Communication & Documentation: Excellent technical writing and communication skills to create runbooks, procedures, and translate complex security concepts for diverse audiences.

Some other highly valued skills may include:

• Cloud Security & Modern Infrastructure: Proficiency with AWS/Azure cloud security, containerized environments, and SaaS-based security solutions.
• Programming & Scripting: Advanced skills in Python, PowerShell, KQL, SPL, and SQL for automation, custom integrations, and advanced analytics development.
• Security Certifications: Professional certifications such as CISSP, GCIH, GCFA, Splunk Certified Architect, or Microsoft Sentinel Ninja.
• Extended Security Stack: Experience with EDR, UBA, CASB, CSPM, vulnerability assessment tools, and threat intelligence platforms.
• Infrastructure as Code: Experience with Chef, Ansible, Jenkins, GitLab CI/CD for automated security tool deployment and configuration management.
• Compliance & Governance: Knowledge of regulatory frameworks (SOX, PCI-DSS, GDPR) and hands‑on incident response/forensics experience.

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!