IT Infrastructure & Cyber Security Engineer – 3rd Line, Cloud & AI
Job in
Colchester, Essex County, CO1, England, UK
Listed on 2026-09-04
Listing for:
Recruitment Revolution
Full Time
position Listed on 2026-09-04
Job specializations:
-
IT/Tech
Cybersecurity, Network Security, Cloud Computing: Infrastructure & Operations
Job Description & How to Apply Below
You've built solid 3rd Line infrastructure experience. You know how to get to the bottom of complex technical problems, understand the importance of security and you're ready for more ownership.
This could be that step.
Join Bulk, one of Europe's leading active nutrition brands, and take ownership across the infrastructure and cyber security environment supporting our fast-moving digital business.
You'll work across cloud, networks, endpoints and security, strengthen our email security, help lead our upcoming Cyber Essentials project and tackle the security challenges that come with our rapidly evolving use of AI.We're ahead of the curve when it comes to building with AI, so you'll get extensive exposure to new tools, integrations and systems - with the freedom to get involved in other technical projects as the business evolves.
If you're a strong 3rd Line Engineer with cyber security credentials who's ready to broaden your remit and take genuine ownership, we'd love to hear from you.
The Role at a GlanceIT Infrastructure & Cyber Security Engineer Colchester, Essex | Hybrid - 3 Days Office / 2 Days Home | Occasional out-of-hours working and travel to London will be required.
Competitive Salary + Excellent Benefits Full Time | Permanent Focus:
Infrastructure | Cyber Security | Cloud | AI Enablement Your Background /
Skills:
3rd Line Engineering, IT Infrastructure, Cyber Security, Azure, Google Workspace, Networking, Crowd Strike, Cisco, VMware vSphere, Windows Server, Jamf, Intune, Incident Response, Cyber Essentials, AI Tooling Who We Are Bulk is on an incredible journey, with a mission to evolve from a manufacturing-led retailer into a destination brand for active nutrition.
We're shaking up the sports nutrition industry through innovative products, disruptive marketing and bold digital thinking that encourages people to see our brand differently.
We want passionate risk-takers. People who challenge our thinking, live and breathe digital and aren't afraid to find a better way of doing things.
And as our technology continues to evolve - particularly through AI - we need the infrastructure and security behind it to evolve just as quickly.
The Opportunity As our IT Infrastructure & Cyber Security Engineer, you'll take ownership of Bulk's infrastructure and cyber security environment, supported by our IT Service Desk Team Lead and wider team.
This is a broad, hands-on technical role with some clear priorities.
You'll help upgrade our email security, manage the security aspects of AI integration and take a leading role in our Cyber Essentials project next year.
You'll also oversee infrastructure, security tooling, incident response, budgeting and contracting, while becoming a Tier 3 escalation point for complex issues that need deeper technical expertise.
And we're not expecting you to walk through the door knowing every technology on our list.
We're looking for someone with strong infrastructure foundations and genuine cyber security capability who can demonstrate experience across roughly 80% of our technical environment, with the curiosity and ability to pick up the rest.
What You'll Be Doing Infrastructure
• Oversee the planning, implementation, monitoring and maintenance of Bulk's on-premise and cloud infrastructure, including Azure, Google Workspace, networks, firewalls and VPNs.
• Ensure systems remain reliable, resilient, performant, securely configured and appropriately updated.
• Lead infrastructure projects from capacity planning through to deployment.
• Support complex 2nd and 3rd Line issues and act as a dedicated Tier 3 escalation point for the Helpdesk team.
• Create and maintain technical documentation, policies and procedures, ensuring effective handover to Service Desk colleagues.
• Take ownership of infrastructure-related budgeting and contracting requirements.
• Work across different technical projects as the needs of the business evolve.
Cyber Security
• Develop and continually improve the security measures protecting Bulk's technology environment.
• Help drive improvements to email security as a key priority.
• Monitor, investigate and remediate security…
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