7 of 7 SIEM Engineer Jobs in the South East

SIEM Engineer Contract - Inside IR35 Duration: March 2026 Reading (Hybrid) Are you a seasoned SIEM (Security Information and Event Monitoring) professional looking to take your career to new heights? If so, this could be the perfect opportunity for you! The company is seeking a talented SIEM Engineer to join their dynamic team and play a … pivotal role in maintaining and enhancing their security monitoring platform. As the SIEM Engineer, you will be responsible for ensuring the optimal performance, scalability, and integration of the company's SIEM platform. This includes onboarding log sources, developing analytical rules, creating automation for triage and remediation, and integrating with other IT and Operational Technology platforms. You will … collaborate with the wider Threat Detection and Response team to ensure the SIEM platform meets their day-to-day needs and provide support during incidents as necessary. Key Responsibilities of the SIEM Engineer Develop and maintain the security monitoring platform, ensuring it meets the company's evolving security requirements. Participate in infrastructure projects to plan and implement More ❯

Contract SIEM Engineer Exciting contract opportunity to join a high-performing cybersecurity team Hybrid working model, three days onsite and two remote Contribute to cutting-edge SIEM and EDR deployments for a large-scale organisation Up to £410 per day (Inside IR35) Active SC clearance required ABOUT THE CLIENT: Our client is a well-established technology-driven … advancing its cybersecurity capabilities. You will join a dedicated security team working to enhance threat detection and response across complex environments. This is a crucial role for an experienced SIEM Engineer to make a measurable impact by improving resilience and operational security. THE BENEFITS: Up to £410 per day (Inside IR35) Hybrid working arrangement Collaborative and innovative security … culture Opportunity to work with leading SIEM and EDR technologies THE SIEM ENGINEER ROLE: As a SIEM Engineer, you will design, deploy, and maintain SIEM and EDR solutions that strengthen the organisation's security posture. You will work closely with IT and security teams to manage log ingestion, implement integrations, and monitor system activity More ❯

Job Title: Sentinel SIEM Engineer Location: Reading/Havant, UK - Hybrid: 2 Days to Office Every Week Duration: 6 Months Employment Type: Inside IR35 Roles & Responsibilities: Seeking a Security-Cleared Sentinel SIEM Engineer to manage and enhance the SIEM platform, ensuring effective security monitoring, log integration, and automation. The role involves hands-on engineering, rule … development, and collaboration with threat detection teams. Key Responsibilities: Maintain and optimize the Microsoft Sentinel SIEM platform for performance, scalability, and integration with IT/OT security systems. Onboard log sources, develop custom parsers, and create detection and analytic rules. Automate triage and remediation workflows using SOAR capabilities. Support security incidents and collaborate closely with Threat Detection & Response teams. … Lead and mentor the SIEM Engineering team, ensuring best practices and technical excellence. Mandatory Skills & Experience: Active Security Clearance (mandatory). Proven experience as a SIEM Engineer (preferably with Microsoft Sentinel). Expertise with security logs across identity, network, system, data, application, and cloud domains. Strong skills in PowerShell and Python for data analysis and automation. Solid More ❯

Role: Security Information & Event Monitoring (SIEM) Engineer – **Security Cleared** Location: Reading/Havant – UK Mode: Hybrid (2 days office) Language: English Mandatory - **Clearance: Must be Security Cleared (Active SC)** Job Summary: Looking for an experienced SIEM Engineer to maintain and enhance the Security Monitoring platform. Responsible for log onboarding, custom parsers, rule creation, automation for triage … and remediation, and integration with other security tools. Key Responsibilities: Develop and manage the SIEM platform ensuring scalability and performance. Plan and implement solutions for security monitoring. Design and maintain detection rules. Lead and mentor SIEM team. Work closely with Threat Detection & Response team to support incident handling. Required Skills: Proven hands-on experience in SIEM engineering. More ❯

Job Title: Sentinel SIEM Engineer Duration: Long Term Contract Location : Reading/Havant UK Job Responsibility: Develop the security monitoring platform, ensuring optimal performance, scalability, and integration with security tools. Participate in infrastructure projects to develop, plan, and implement solutions for security monitoring. Design, implement, and maintain detection rulesets. Scope, plan, and track log integrations. Guide, develop, and … grow the SIEM Engineering team. Collaborate with the wider Threat Detection & Response team to ensure the SIEM platform meets their day-to-day needs and support incidents as necessary. Required Qualification: Proven hands-on SIEM Engineering background. Extensive experience working with security logs across multiple domains – identity and access, network, system, data, application, cloud – and multiple product More ❯

Harvey Nash are now inviting candidates to apply for the role of Senior SIEM Engineer, (Sentinel). Running until March 2026 Daily rate of £600 - £700 Inside of IR35 Reading location (two days a week) You will be responsible for maintaining our clients SIEM platform. This includes onboarding log sources, developing analytic rules, creating automation for triage … and remediation and integrating with other platforms at pace. Ideal experience: Proven hands-on SIEM Engineering background. Extensive experience working with security logs across multiple domains - identity and access, network, system, data, application and cloud. Proficiency in data analysis and scripting languages (e.g., PowerShell, Python). Strong Security Orchestration, Automation and Response (SOAR) knowledge. Team leadership experience with great More ❯

Harvey Nash are now inviting candidates to apply for the role of Senior SIEM Engineer, (Sentinel). Running until March 2026 Daily rate of £600 - £700 Inside of IR35 Reading location (two days a week) You will be responsible for maintaining our clients SIEM platform. This includes onboarding log sources, developing analytic rules, creating automation for triage More ❯