Senior Security Engineer

Senior Security Engineer

We are seeking an experienced Senior Security Engineer to help strengthen and evolve our cybersecurity capabilities across a hybrid cloud environment. You'll play a key role in security operations, cloud and endpoint security, identity management, infrastructure protection, and security strategy.

Key Responsibilities

• Lead the investigation and remediation of complex security incidents.
• Enhance detection, monitoring, and automation across Microsoft security platforms.
• Manage and optimise Conditional Access, MFA, Privileged Identity Management (PIM), and Zero Trust controls.
• Strengthen security across Azure, Microsoft 365, Intune, SCCM, endpoints, and servers.
• Drive vulnerability management, reporting, and remediation activities.
• Support and improve Azure security controls, firewalls, VPNs, and network security.
• Contribute to audits, compliance initiatives, risk assessments, and security governance.
• Lead security workstreams within major IT projects and identify opportunities for automation and continuous improvement.

Essential skills & experience

• Proven experience in a senior security engineering role.
• Strong expertise in Microsoft Defender, Azure Security, Microsoft 365 Security, Intune, Conditional Access, and Entra ID.
• Hands-on experience with Palo Alto firewalls and VPN technologies.
• Strong PowerShell scripting and automation skills.
• Experience investigating security incidents and implementing technical remediation.
• Solid understanding of Zero Trust, least privilege, and security hardening principles.

Desirable

• Experience with Microsoft Sentinel, Splunk, Tenable, Qualys, or Defender TVM.
• Knowledge of NIST, ISO 27001, CIS, or SOC 2 frameworks.
• Familiarity with Azure Automation, Logic Apps, PKI, and certificate management.

About You - You are a proactive and detail-oriented security professional with excellent communication skills, strong technical expertise, and the ability to work independently while building effective relationships across the business.

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation

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