Security Operations Engineer

Up to £75,000 PA

Well-established and highly profitable construction engineering business is seeking an experienced Sec Ops Engineer to join them on a permanent basis. This is a critical role within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving the need for secure, scalable and standardised IT services.

This role is ideal for a proactive security professional with strong technical expertise across Microsoft 365, cloud, infrastructure and network security. You will play a key part in implementing security controls, mitigating risk, improving the organisation's overall security posture and ensuring systems remain compliant with ISO 27001 and Cyber Essentials Plus (CE+).

Responsibilities:

• Monitor security tools including SIEM (QRadar) and respond to threat detection alerts
• Triage, analyse and prioritise security incidents via Service Now
• Investigate root causes of security issues and design effective remediation solutions
• Oversee Patch Management across servers, endpoints and infrastructure
• Conduct vulnerability scans using Qualys, analyse findings and prioritise remediation activities
• Take ownership of the Microsoft 365 security platform, proactively analysing the environment and remediating security recommendations across Microsoft Defender, Entra  Intune
• Review, optimise and maintain Conditional Access Policies, Compliance Policies and Configuration Profiles to ensure user accounts and endpoint devices remain secure and compliant
• Implement and continuously improve Microsoft 365 security controls, identity protection and endpoint compliance in line with Microsoft best practices
• Support the organisation's ISO 27001 and Cyber Essentials Plus (CE+) compliance by implementing and maintaining appropriate Microsoft security controls
• Manage end-user device (EUD) security through Microsoft Intune, Sophos and Ninja One
• Schedule and assess vulnerability scans on critical infrastructure
• Maintain patching compliance for Windows OS, Microsoft 365 applications and third-party software
• Collaborate with external SOC providers to investigate and respond to security incidents
• Automate security processes and operational tasks using Power Shell, Batch or similar scripting languages
• Produce post-incident reports, root cause analyses and security recommendations
• Document Sec Ops processes and create knowledge base articles in line with best practices
• Support infrastructure teams to deploy systems, strengthen security policies and manage security-related changes
• Produce weekly security operations and compliance reports
• Manage Cisco Umbrella web filtering and SSL inspection policies

Requirements:

• Previous hands-on experience within a Security Operations (Sec Ops), Cyber Security or Incident Response role
• Strong experience administering and securing Microsoft 365 environments
• Hands-on experience with Microsoft Entra , Microsoft Intune, Microsoft Defender and Microsoft 365 security capabilities
• Experience reviewing and optimising Conditional Access Policies, Compliance Policies and Configuration Profiles
• Experience assessing Microsoft Secure Score and remediating Microsoft 365 security recommendations
• Experience implementing Microsoft security controls to support ISO 27001 and Cyber Essentials Plus (CE+) compliance
• Strong knowledge of Microsoft Windows security and system hardening
• Working Power Shell scripting ability for automation tasks
• Solid understanding of cloud security across Microsoft 365, Azure and AWS
• Experience supporting enterprise IT infrastructure
• Recognised security certifications such as Security+, CEH, Microsoft Security certifications or equivalent

Any experience with the following will be highly favoured:

• Qualys Vulnerability Management
• QRadar SIEM
• Varonis
• Microsoft Purview (Compliance, Information Protection or Data Loss Prevention)
• Service Now
• Network security knowledge covering TCP/IP, VPNs, routing, firewalls and network segmentation
• Sophos security solutions

Initially 4 days per week onsite in Central London, reducing to 2 days per week after probation.