IT Infrastructure & Cyber Security Engineer - 3rd Line, Cloud & AI
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Benefits offered by this job
Job summary
Bulk™ is seeking a seasoned IT Infrastructure & Cyber Security Engineer in Colchester. You will own Bulk's infrastructure and security across cloud, networks and endpoints, while driving AI tooling security and cyber essentials initiatives.
The role combines hands-on engineering with project leadership and collaboration across teams. You'll work in a hybrid setup (3 days in the Colchester office, 2 days from home) and travel to London occasionally.
Qualifications
- Around 2-3 years' experience in a similar role operating at 3rd Line Engineer level or equivalent.
- At least one cyber security certification.
- Hands-on experience across ~80% of the technologies and environments outlined in this advert.
- Strong infrastructure experience spanning cloud and on-premise environments.
- Good working knowledge of Azure, Google Workspace, networking, endpoint management and security.
- Experience with CrowdStrike, Cisco, VMware vSphere, Windows Server, Mac/Windows, Jamf, Intune, Automox and VPNs.
- Strong security monitoring, incident response and threat-analysis knowledge, including IOC investigation and remediation.
- Experience or knowledge of security frameworks and compliance, ideally Cyber Essentials and ISO 27001.
- Capability to handle complex Tier 3 escalations.
- Excellent communication skills and willingness to travel occasionally to London.
Responsibilities
- Manage Bulk’s on-premise and cloud infrastructure including Azure, Google Workspace, networks, firewalls and VPNs.
- Ensure systems are secure, reliable, resilient and up to date.
- Lead infrastructure projects from planning through deployment, including budgets and contracts.
- Provide Tier 3 support for complex issues and maintain clear technical documentation.
- Support wider technical projects as business requirements evolve.
- Develop and improve Bulk’s security environment with emphasis on email security.
- Monitor, investigate and respond to security threats, incidents and data breaches.
- Manage security technologies including SIEM, SOAR, EDR/MDR/XDR, CASB, ZTNA and SASE.
Skills
Education
Tools
Job description
Ready to Own More Than the Ticket Queue?
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.
IT 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, CrowdStrike, Cisco, VMware vSphere, Windows Server, Jamf, Intune, Incident Response, Cyber Essentials, AI Tooling
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.
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.
- Manage and maintain Bulk’s on-premise and cloud infrastructure, including Azure, Google Workspace, networks, firewalls and VPNs.
- Ensure systems are secure, reliable, resilient and up to date.
- Lead infrastructure projects from planning through to deployment, including budgets and contracts.
- Provide Tier 3 support for complex issues and maintain clear technical documentation and handovers.
- Support wider technical projects as business requirements evolve.
- Develop and improve Bulk’s security environment, with particular focus on email security.
- Monitor, investigate and respond to security threats, incidents and data breaches.
- Manage and optimise security technologies including SIEM, SOAR, EDR/MDR/XDR, CASB, ZTNA and SASE.
- Lead Cyber Essentials activity and support wider compliance, including ISO 27001.
- Assess vendor security and work with stakeholders to implement secure technology solutions.
- Support the secure adoption and scaling of AI tools across Bulk.
- Manage AI platforms including Claude Code, GitHub Copilot, Codex-style tools, MCP servers, integrations and connectors.
- Own user access, permissions and governance, applying least-privilege principles.
- Support teams onboarding new AI technologies, balancing innovation and productivity with security and compliance.
- Develop appropriate controls as agentic AI, MCP and connector-based technologies evolve.
You're probably already operating at strong 3rd Line Engineer level and looking for the opportunity to take broader ownership across infrastructure and cyber security.
You enjoy getting hands-on with technology, but you're also interested in the bigger picture - resilience, security, risk, projects and how technology can enable the business to move faster.
You don't need to tick every technology box. Breadth, strong foundations and the ability to learn matter here.
You'll likely bring:
- Around 2-3 years' experience in a similar role, operating at 3rd Line Engineer level or equivalent.
- At least one cyber security certification.
- Hands-on experience across approximately 80% of the technologies and environments outlined within this advert.
- Strong infrastructure experience spanning cloud and on-premise environments.
- Good working knowledge of Azure, Google Workspace, networking, endpoint management and security.
- Experience across technologies such as CrowdStrike, Cisco, VMware vSphere, Windows Server, Mac/Windows, Jamf, Intune, Automox and VPNs.
- Strong security monitoring, incident response and threat-analysis knowledge, including IOC investigation and remediation.
- Experience or knowledge of security frameworks and compliance, ideally including Cyber Essentials and ISO 27001.
- The confidence and technical capability to handle complex Tier 3 escalations.
- Strong problem-solving skills and a proactive approach to improving infrastructure and security.
- Excellent communication skills and the confidence to work with colleagues, suppliers and senior leadership.
- Willingness to undertake occasional out-of-hours work and travel to London.
- Hands-on experience administering AI coding or agent tools, including Claude Code, GitHub Copilot or Codex.
- Experience configuring MCP servers, connectors, permissions and access controls.
- Familiarity with emerging agentic AI infrastructure and its associated security considerations.
- Experience working with Netskope.
- Hands-on Netskope CASB/SSE experience covering areas such as SSL/TLS inspection, DLP, Zero Trust architecture, CASB policy design and SCIM-based provisioning.
- ITIL or project management certification such as PRINCE2.
- Additional cyber security certifications such as CISSP, CISM or CompTIA.
This is a great opportunity if you're ready to move beyond traditional 3rd Line support and build broader experience across infrastructure, cyber security and AI.
You’ll have genuine ownership, support from the wider IT team and exposure to a broad technology landscape within a business that’s actively embracing new ways of working.
Because Bulk is already pushing ahead with AI, you’ll also be solving security and infrastructure challenges that many businesses haven’t encountered yet.
You’ll also enjoy:
- Monthly Bulk Bank Benefits Allowance, including subsidised gym membership.
- 60% discount on Bulk™ products.
- Birthday day off.
- PerkBox subscription.
- Flexi Start.
- Optional additional annual leave.
- Teammate pension scheme.
- Life Assurance.
- Medicash.
- Volunteering day.
- Cycle to Work Scheme.
- Enhanced maternity and paternity leave.
- Workplace nursery scheme.
- Fully stocked Bulk™ Pantry.
- Happy Hour drinks fridge on Thursdays and Fridays.
- Summer working hours.
- Hybrid working - 3 days in the Colchester office / 2 days from home.
3rd Line Engineer, Senior 3rd Line Engineer, Infrastructure Engineer, IT Infrastructure Engineer, Infrastructure & Security Engineer, IT Security Engineer, Systems & Security Engineer, Senior IT Engineer, Cloud Infrastructure Engineer, Cyber Security Engineer or Infrastructure Support Engineer.
Bulk™ is an equal opportunities employer and is committed to building a diverse and inclusive team. We welcome applications regardless of age, disability, race, gender, religion, sexual orientation, education, neurodiversity or any other protected characteristic.
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