Cyber Security Specialist

Flint is looking for a Cyber Security Specialist to join one of our clients in Birmingham on a contract bases.

Please note this role is Inside IR35.

Accountabilities

• 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.

Essential Skills

• 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.

Advantageous

• Hands-on SIEM implementation with the Elastic Stack (ELK).

• Knowledge of offensive security testing frameworks.

• Experience with cloud platforms, OpenStack, and Kubernetes.

• Familiarity with DevOps 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 deliver