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3Rd Line Infrastructure Engineer

Remote / Online - Candidates ideally in
Bridgwater, Somerset County, TA6, England, UK
Listing for: IO Associates
Remote/Work from Home position
Listed on 2025-12-30
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 55000 GBP Yearly GBP 55000.00 YEAR
Job Description & How to Apply Below

3rd Line Infrastructure Engineer

Permanent | Up to £55,000 | Bristol (hybrid)

Our client is seeking a 3rd Line Infrastructure Engineer to design, implement and secure on-premises and cloud infrastructure solutions. This is a hands‑on role based between the Bristol office and remote working from home.

Key Responsibilities
  • Design and deliver secure on-premises and Azure-based infrastructure
  • Implement network security solutions including Firewalls, VPNs and segmentation
  • Harden Microsoft Server/Desktop platforms using Group Policy and security baselines
  • Manage Active Directory, MFA (Yubi Key/Authenticator) and access controls
  • Deploy endpoint security, EDR, Defender and DLP solutions
  • Perform vulnerability assessments using Tenable and drive remediation
  • Deploy applications using on-premises tools and Intune
Skills & Experience
  • Strong experience with on-premises infrastructure and Microsoft technologies
  • Hands‑on knowledge of Active Directory, Group Policy, WSUS and Certificate Services
  • Experience with MFA, virtualisation and network security appliances
  • Understanding of vulnerability management, SIEM and endpoint protection
  • Familiarity with security frameworks (ISO 27001, NIST, CIS, Cyber Essentials)
  • Hold SC or DV clearance.

A great opportunity to work on complex, security‑focused infrastructure projects with flexible working and clear progression opportunities.

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