Job Description

Role: Sentinel Engineer

Type: Contract (Inside IR35)

Duration:  6 months

Location: Remote

Overview

We are seeking an experienced Microsoft Sentinel Engineer with a strong cyber security background to support the delivery, optimisation, and ongoing development of a large-scale Microsoft security environment. The successful candidate will play a key role in enhancing security monitoring, threat detection, automation, and SIEM capabilities, whilst helping drive security improvements across cloud and hybrid platforms.

This role is ideally suited to a hands-on Security Engineer with proven experience implementing and managing Microsoft Sentinel, delivering SIEM migrations, and working across the wider Microsoft Security stack. You will work closely with Security Operations, Infrastructure, and Cloud teams to strengthen the organisation's security posture and improve incident detection and response capabilities.

Key Responsibilities

Design, implement, configure and support Microsoft Sentinel solutions.

Lead and support SIEM migration projects from legacy platforms into Microsoft Sentinel.

Develop and maintain analytics rules, alerting capabilities and detection use cases.

Create and optimise Kusto Query Language (KQL) queries for threat hunting, incident investigation and reporting.

Integrate and onboard new log sources and security tooling into Sentinel.

Configure and support Azure Monitor and Log Analytics environments.

Develop automation and orchestration playbooks using Azure Logic Apps.

Work with Microsoft Defender technologies to improve threat detection and response.

Build dashboards, workbooks and reporting capabilities for operational and management teams.

Support Security Operations teams with incident response, threat hunting and security investigations.

Tune detections and reduce false positives whilst improving overall visibility and coverage.

Implement security best practices aligned to industry frameworks and standards.

Collaborate with internal and third-party stakeholders across security, infrastructure and cloud teams.Essential Skills & Experience Technical Skills

Microsoft Sentinel

SIEM Migration Experience

Log Analytics

Azure Monitor

Microsoft Defender XDR

Microsoft Defender for Endpoint

Microsoft Defender for Cloud

Microsoft 365 Security

Kusto Query Language (KQL)

Azure Logic Apps

Azure LighthouseExperience

Minimum 5 years' experience within Cyber Security, Security Engineering, SOC, SIEM Engineering or related disciplines.

Strong understanding of SIEM, SOAR, threat detection and incident response.

Demonstrable experience designing and implementing Microsoft Sentinel solutions.

Experience developing detection rules, use cases and security monitoring capabilities.

Strong threat hunting and security investigation experience.

Knowledge of MITRE ATT&CK and modern security operations practices.

Experience working within enterprise-scale Azure and Microsoft security environments.Desirable Skills

QRadar

Devo

SentinelOne

Mimecast

Check Point

Qualys

Azure Networking

Terraform

PowerShell

Python

GitHub

Azure DevOps

ServiceNow

Azure RBAC

Azure Monitor Agent (AMA)

Data Collection Rules (DCR)

Syslog

CEF

Windows Event Logging

Linux Logging

REST APIs

Candidate Profile The ideal candidate will be a proactive and technically strong Security Engineer who combines deep Microsoft Sentinel expertise with a broad understanding of cyber security operations. You will be comfortable working in a fast-paced environment, engaging with stakeholders at all levels, and driving improvements across monitoring, detection, automation and incident response capabilities