Lead IT Engineer - Security-Focused, L2/L3, Onsite

Quickline Communications; Brighton; On-site; GBP 60,000 - 76,000; Full time

Benefits offered by this job

Pension plan

Health cashback

25 days annual leave + holidays

On-site parking

Lunch & Learns

Social events

Core Value Awards

Job summary

Quickline Communications is recruiting a Lead IT Engineer in Brighton to own the IT infrastructure, enterprise platforms and supporting systems. You will be the senior L2/L3 escalation point, handling complex incidents and driving improvements across Microsoft 365, Entra ID, AD, Intune, Windows and Linux endpoints.

You will mentor L1/L2 engineers, implement security controls with Defender and patching, and automate routine tasks using PowerShell to increase efficiency.

Qualifications

• Strong L2/L3 IT engineering experience.
• Familiar with Microsoft 365, Entra ID, AD, Windows Server and Intune.
• Security minded with Defender, vulnerability management and patching.
• Solid networking knowledge: DNS, DHCP, VPNs, firewalls.
• Problem-solver who shares knowledge and mentors others.

Responsibilities

• Take the lead on complex technical incidents through to resolution.
• Manage technology estate, including Microsoft 365, Entra ID, AD, Intune, Windows and Linux endpoints.
• Drive security, monitoring and system hardening as part of everyday work.
• Automate tasks with PowerShell and scripting to improve efficiency.
• Act as technical go-to and mentor L1/L2 engineers alongside the IT Architect.

Skills

L2/L3 IT engineering

PowerShell scripting

Microsoft 365

Entra ID

Active Directory

Intune

Windows Server

Linux infrastructure

Networking fundamentals

Troubleshooting

Tools

PowerShell

Job description

Quickline Communications is recruiting a Lead IT Engineer in Brighton to own the IT infrastructure, enterprise platforms and supporting systems. You will be the senior L2/L3 escalation point, handling complex incidents and driving improvements across Microsoft 365, Entra ID, AD, Intune, Windows and Linux endpoints.

You will mentor L1/L2 engineers, implement security controls with Defender and patching, and automate routine tasks using PowerShell to increase efficiency.