IT Cyber Security Specialist

Cyber Security Specialist (Contract)

Location: Birmingham, United Kingdom
Country: UK
Rate: £550/Day Inside IR35

Flint is looking for a Cyber Security Specialist to join one of our clients in Birmingham on a contract basis. Please note this role is Inside IR35.

• Design, implement, and optimize SIEM solutions using Elasticsearch and the Elastic Stack.
• Develop and tune detection rules, alerts, and dashboards for effective threat detection.
• Write and optimize Elasticsearch queries; monitor and improve SIEM performance.
• Collaborate with security operations, incident response teams, and stakeholders to deliver security objectives.
• Contribute to security engineering projects, transformations, and best practices.
• Produce clear documentation and presentations for technical and business audiences.

• Strong experience with Elastic Security, including access control, authentication, encryption, and compliance.
• Detection rule development aligned to the MITRE ATT&CK framework.
• Performance tuning of Elasticsearch indices, mappings, and Logstash pipelines.
• Advanced use of Kibana for dashboards, visualization, and system monitoring.

• Hands‑on SIEM implementation with the Elastic Stack (ELK).
• Knowledge of offensive security testing frameworks.
• Experience with cloud platforms, Open Stack, and Kubernetes.
• Familiarity with Dev Ops tools and practices (Git, Terraform, Ansible).
• Strong understanding of security policies and regulatory frameworks.
• Cybersecurity certifications and 3‑5 years’ experience in cybersecurity engineering and delivery.

Posted Date: 07 Jan 2026
Reference: JSSIEM
Employment Business: Flint UK Technology Services
Contact: Adele Cecere