Infrastructure Engineer

Location: Onsite - St. Ives, Cambs, with regular travel to client sites across the UK (some overnight stays required).

Hours: 40 hours per week, Monday-Friday, with flexibility for varied shifts including weekends, days, and nights.

Department: Infrastructure Reports to: Head of Infrastructure

At ILUX, our focus is simple - powering business success through IT.

We combine technology, process, and people in a way that's personal, professional, and practical. Our clients rely on us to provide deep expertise, consistent quality, and a truly safe pair of hands.

As a 3rd Line Infrastructure Engineer, you'll take ownership of the most complex technical challenges across our clients' environments - from advanced troubleshooting to infrastructure design, automation, and strategic improvement. You'll be a trusted escalation point, a technical leader, and a key contributor to delivering reliable, secure and forward-thinking solutions.

This role is ideal for someone who enjoys solving complex problems, working autonomously, collaborating across teams, and staying ahead of emerging technologies - including scripting, automation, and agentic AI.

Why Join ILUX?

At ILUX, you'll join a knowledgeable, supportive, and forward-thinking team that values professionalism, ownership, and continual improvement.

You'll find:

• Complex, rewarding technical work spanning modern cloud, networking, security, and infrastructure technologies.
• Real influence - shaping client environments and contributing to ILUX's technical direction.
• Opportunities to innovate, including automation, scripting, and emerging AI technologies.
• Structured development paths and certifications, supporting your professional growth.
• A culture built on trust, consistency, and doing things properly, where high standards and empathy go hand in hand.

What You'll Be Doing

You'll play a pivotal role in ensuring ILUX delivers robust, modern, and secure infrastructure services that clients can depend on.

• Deliver infrastructure projects, including migrations, server deployments, networking, security, cloud transformation, and modern workplace implementations.
• Lead technical discovery and onboarding, assessing risks, capturing details, and producing clear documentation.
• Design, document, and implement solutions. Ensuring reliability, security, and alignment with best practices.
• Work closely with the Sales team, advising on technical proposals and identifying opportunities to enhance client infrastructures.
• Perform high-level troubleshooting relating to infrastructure, networks, cloud systems, and security platforms.
• Collaborate with third-party suppliers during complex implementations and escalations.
• Ensure accuracy of infrastructure documentation across all clients.
• Research and evaluate emerging technologies, advising on improvements and future adoption.
• Lead onsite technical work, often requiring travel and occasional overnight stays.
• Support colleagues, sharing knowledge and assisting in shaping ILUX's technical standards.

Do you have a valid Driving Licence license?, Do you have experience in Virtualization?, This role requires deep technical authority, attention to detail, and consistently high-quality delivery - the hallmarks of ILUX's values.

Every action you take should reflect our values: consistent delivery, customer focus, problem solving, attention to detail, being a safe pair of hands, and continuous improvement.

What You'll Bring

• Significant experience in the design and delivery of infrastructure projects.
• Strong knowledge of Windows Server, Active Directory, Microsoft 365, Intune, and cloud identity technologies (Entra, SSO, MFA).
• Hands-on experience with virtualisation (Hyper-V, VMware, Citrix), routing and switching, VLANs, VPNs, firewalls (Meraki, Sophos, WatchGuard, Fortinet), and wireless networks.
• Advanced troubleshooting capability, with a logical, structured approach to diagnosing complex technical issues.
• Experience with scripting and automation, ideally PowerShell, and an interest in developing these skills further.
• Interest or experience in agentic AI, automation frameworks, or AI-enhanced monitoring/workflows (desirable but not essential).
• Knowledge of backup and DR technologies such as Cove or Veeam.
• Strong understanding of cybersecurity principles, endpoint/managed detection and response solutions, and secure configuration.
• Excellent documentation skills, with a commitment to accuracy and clarity.
• Calm, dependable, and confident, able to operate independently and deliver consistently high standards.
• Full UK driving licence and willingness to travel, including occasional overnight stays.

Desirable:

• Microsoft 365 Certified: Modern Desktop Administrator Associate, Identity and Access Administrator Associate, or equivalent.
• AZ-900, MS-900, SC-900 or related certifications
• Experience with macOS, N-Able, or industry-specific applications, * 3rd Line or above: 3 years (required)

• Competitive Salary: We value your hard work with a competitive salary, and we are open to negotiations.
• Generous annual leave: Take plenty of time off to recharge with 25 days holiday, plus days as you grow with us.
• Perkbox perks: Treat yourself with discounts, cashback and wellness benefits.
• Employee wellbeing: We've got your back with EAP, free to use counselling
• Need a Doc?: 24/7 access to GP services online, night or day, they are there for you and can also include family members.
• Personal development: We invest in you with tailored training and career growth.
• Employee Referral Scheme: Get rewarded for bringing great talent to our team.
• Qualifications: free access to Udemy for Business, and stay up-to-date with the latest technology skills.
• Get on your bike: Cycle to work scheme available for colleagues who like to travel by bike.
• Electric car scheme: Go green with this great tax-saving scheme that is great for your pocket and the environment, available after 2 years of continuous service.

Join us, and help us power business success through IT.

Job Types: Full-time, Permanent

Pay: From £47,000.00 per year

Benefits:

• Company events
• Cycle to work scheme
• Free parking
• Health & wellbeing programme
• Life insurance
• On-site parking
• Referral programme
• Store discount