Senior/Principal Security Infrastructure Engineer

Description

• Design, build and maintain secure on-premises and cloud network and system architectures
• Align security controls with ISO 27001, NIST, CIS, and Cyber Essentials, supporting audits and compliance
• Harden Microsoft Server/Desktop platforms, Active Directory, and Group Policies
• Operate and optimise SIEM tools (Splunk, Microsoft Sentinel) for threat detection and incident response
• Deploy and manage MFA solutions (YubiKey, RSA) for enterprise identity and access protection
• Perform vulnerability assessments using Qualys and Tenable, driving remediation and continuous improvement

Requirements

• Proven experience in infrastructure or network security within enterprise environments
• Understanding of SIEM operations, vulnerability management, and endpoint protection
• Hands-on experience with MFA, virtualisation, and network security appliances
• Familiarity with recognised security frameworks (ISO 27001, NIST, CIS, Cyber Essentials)
• DV cleared.
• Excellent problem-solving and communication skills
• Secure virtualisation platforms (Hyper-V, VMware) and implement endpoint security (EDR, anti-malware, DLP)
• Strong knowledge of Microsoft technologies (Windows Server/Desktop, Active Directory, Group Policy)

Benefits

Training + Development

Interview process

Visa Sponsorship

Security clearance