Senior SOC Engineer (Sentinel One)

Claranet Limited; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

Claranet Limited's Security Operations Centre is seeking a Senior SOC Engineer to lead design, deployment and optimization of security solutions around SentinelOne Singularity. You will influence customer onboarding, platform enhancements, and strategic service development while acting as a technical leader within the engineering team.

The role requires 3+ years in security engineering, hands-on SentinelOne expertise, and strong scripting and automation abilities.

Qualifications

• 3+ years in Security or SOC engineering roles.
• Hands-on SentinelOne Singularity experience, including XDR and EDR.
• Experience onboarding log sources across cloud, hybrid, on-prem.
• Knowledge of automation, telemetry pipelines, and security orchestration.
• Scripting experience with PowerShell, Python, or Bash.
• Strong SOC operations, incident response, and attacker methodologies.
• Excellent communication to technical and non-technical audiences.
• Experience leading projects from design to handover.

Responsibilities

• Lead the implementation and optimisation of SentinelOne-based SOC solutions.
• Design, deploy, and support SIEM, XDR, EDR, SOAR, across environments.
• Act as senior technical escalation point for complex challenges.
• Drive continuous improvements in detection, automation, resilience, and efficiency.
• Support customer engagements, workshops, solution design, and pre-sales.
• Mentor engineers and contribute to standards and documentation.
• Collaborate with SOC Ops, Detection Engineering, Automation, and Security Optimisation teams.

Skills

SOC operations

Incident response

Automation scripting

Stakeholder engagement

Project leadership

Tools

SentinelOne Singularity

PowerShell

Python

Bash

API integrations

Job description

Join our growing Security Operations Centre (SOC) as a Senior SOC Engineer, leading the design, deployment, and optimisation of security solutions built around the SentinelOne Singularity platform. You'll play a key role in customer onboarding, platform enhancement, and strategic service development while acting as a technical leader and mentor within the engineering team.

Key Responsibilities

• Lead the implementation and optimisation of SentinelOne-based SOC solutions for new and existing customers.
• Design, deploy, and support SIEM, XDR, EDR, SOAR, and telemetry solutions across cloud, hybrid, and on-premises environments.
• Act as the senior technical escalation point for complex engineering challenges.
• Drive continuous improvement initiatives to enhance detection, automation, resilience, and operational efficiency.
• Support customer engagements, technical workshops, solution design, and pre-sales activities.
• Mentor and develop engineers while contributing to engineering standards, documentation, and best practices.
• Collaborate with SOC Operations, Detection Engineering, Automation, and Security Optimisation teams.

Essential Skills & Experience

• 3+ years' experience in Security Engineering, SOC Engineering, or a similar cyber security role.
• Strong hands‑on experience with the SentinelOne Singularity platform, including XDR, AI SIEM, and EDR technologies.
• Experience integrating and onboarding log sources across cloud, hybrid, and on-premises environments.
• Knowledge of automation, API integrations, telemetry pipelines, and security orchestration.
• Experience scripting with PowerShell, Python, or Bash.
• Strong understanding of SOC operations, detection engineering, incident response, and attacker methodologies.
• Excellent stakeholder engagement skills with the ability to communicate technical concepts to both technical and non-technical audiences.
• Experience leading projects from design through implementation and operational handover.

Desirable

• Experience with SentinelOne Hyper Automation (SOAR), Cloud Native Security, Identity Protection, or Purple AI.
• Experience building custom integrations, parsers, and automation workflows.
• SentinelOne certifications.
• Experience within an MSSP or managed SOC environment.

Additional Information

• Must be eligible for, or willing to obtain, NPPV and/or SC clearance.
• Occasional travel may be required for customer engagements.
• Excellent opportunities for professional development, certification, and progression into technical leadership or architecture roles.

This is a fantastic opportunity for an experienced SOC Engineer who wants to shape the future of a modern Managed Detection & Response service while working with one of the industry's leading security platforms.