Senior IT Engineer (L2/L3) – Automation & Security Lead

Quickline; Willerby; Hybrid; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Pension – 5% employer / 5% employee

Health Cashback Scheme

25 days annual leave + holidays

Birthday, house move and wedding day -

Life Assurance

Free Parking on site

Lunch & Learns

Social Events

Job summary

Quickline Communications Limited is seeking a Lead IT Engineer to own and resolve complex L2/L3 infrastructure incidents, driving reliability across the IT estate.

You'll work hands-on with Microsoft 365, Entra ID, Active Directory, Intune, Windows and Linux infrastructure, embedding security practices (Defender, MFA, patching) and mentoring junior engineers. This role blends technical depth with strong problem solving in a fast-paced environment.

Qualifications

• Strong L2/L3 experience in IT engineering, infrastructure or technical support.
• Experience with Microsoft technologies (Microsoft 365, Entra ID, Active Directory, Windows Server, Intune).
• Knowledge of security and resilience practices (Defender, MFA, patching, monitoring).
• Solid networking basics (DNS, DHCP, VPNs, firewalls).
• Ability to own incidents and mentor junior engineers.

Responsibilities

• Take the lead on complex technical incidents through to resolution.
• Hands-on across the technology estate (Microsoft 365, Entra ID, AD, Intune, Windows/Linux).
• Embed security into everyday operations (Defender, MFA, Conditional Access).
• Use PowerShell or scripting to automate tasks and improve monitoring.
• Mentor L1/L2 engineers and collaborate with IT Architect and teams.

Skills

L2/L3 engineering

Incident management

PowerShell scripting

Troubleshooting

Problem solving

Tools

Microsoft 365

Entra ID

Active Directory

Intune

Windows Server

Linux

Job description

Quickline Communications Limited is seeking a Lead IT Engineer to own and resolve complex L2/L3 infrastructure incidents, driving reliability across the IT estate.

You'll work hands-on with Microsoft 365, Entra ID, Active Directory, Intune, Windows and Linux infrastructure, embedding security practices (Defender, MFA, patching) and mentoring junior engineers. This role blends technical depth with strong problem solving in a fast-paced environment.