Senior IT Infrastructure & Security Analyst

Allscreens Nationwide Ltd; Ipswich; Hybrid; GBP 40,000 - 52,000; Full time

Benefits offered by this job

20% discount in our food stores

25 days holiday

Flexible shift patterns

Training and apprenticeship programmes

Discounts across 900 retailers

Cycle To Work

Employee Assistance Programme

Remote GP service

Job summary

East of England Co-op is seeking a skilled 3rd Line Analyst to join its Technology Team. The role is based at Wherstead Park, Ipswich, with hybrid working available, and will act as the final escalation point for advanced IT incidents to keep systems secure, stable and high performing.

youll diagnose complex issues, implement long-term fixes, and collaborate with Service Desk and 2nd Line Analysts to ensure SLA compliance and smooth technology operation across the business.

Qualifications

• Proven experience supporting IT at a 2nd/3rd line level.
• Strong technical expertise in infrastructure, servers, networking, and security.
• Solid understanding of cyber security principles and best practices.
• Excellent problem-solving skills with the ability to diagnose complex technical issues.
• Ability to work independently, manage priorities, and meet deadlines in a fast-paced environment.
• Flexibility to support out-of-hours (any time day or night) incidents on a 4-week rota basis.
• Knowledge of SaaS, hosting, or cloud computing.
• Experience with scripting tools such as PowerShell, SQL, Linux or command-line interfaces.
• Full clean driving licence.

Responsibilities

• Serve as the technical escalation point for complex IT incidents and system issues.
• Conduct advanced troubleshooting, root cause analysis, and implement long-term fixes.
• Design, maintain, and optimise key IT systems including servers, SANs, networks, security infrastructure.
• Monitor system performance proactively, identifying opportunities to enhance reliability and resilience.
• Support wider IT projects with specialist technical expertise on new technologies and solutions.
• Collaborate with Service Desk and 2nd Line Analysts to share knowledge and strengthen team capability.
• Ensure SLA compliance and timely resolution of escalated tickets.
• Develop and maintain accurate technical documentation, processes, and troubleshooting guides.
• Stay up to date with emerging technologies and industry best practices.

Skills

Infrastructure

Servers

Networking

Security

Cyber security

PowerShell

SQL

Linux

Cloud computing

Job description

East of England Co-op is seeking a skilled 3rd Line Analyst to join its Technology Team. The role is based at Wherstead Park, Ipswich, with hybrid working available, and will act as the final escalation point for advanced IT incidents to keep systems secure, stable and high performing.

youll diagnose complex issues, implement long-term fixes, and collaborate with Service Desk and 2nd Line Analysts to ensure SLA compliance and smooth technology operation across the business.