Senior Infrastructure Engineer - Stockton-On-Tees

Salary: £55,000 - 60,000 per year

Requirements:

• Relevant networking, infrastructure, and Microsoft qualifications such as CCNA, JNCP, MCSA, or VCP
• Experience managing Microsoft Azure and Office 365, including Conditional Access, Azure AD Connect, Exchange Online/Hybrid, SharePoint, Teams, and Intune/Endpoint Management
• Experience with public and private cloud platforms such as AWS and Azure
• Experience maintaining and updating VMware vSphere and Hyper-V environments, including replication and failover
• Experience supporting FreePBX, Mitel, Gamma, and Skype/Teams VOIP systems
• Experience with MDM, MFA, email filtering, next-generation firewalls, and antivirus solutions
• Windows Server installation and configuration experience
• Experience maintaining, updating, and troubleshooting SAN devices, configuring iSCSI connectivity, and managing clusters
• Experience supporting and troubleshooting RDS, RemoteApp, and Citrix environments in on-premise and cloud settings
• Third-line networking troubleshooting experience, including support for Palo Alto, Sophos, FortiNet, Draytek, Juniper, and Cisco firewalls
• Experience supporting Windows desktops, applications, tablets, and mobile devices
• Effective communication skills
• Methodical approach to diagnosis and documentation
• Ability to conduct independent research
• Strong organisation and prioritisation skills
• Full clean UK driving licence
• Willingness to develop over time through learning resources and peer learning

Responsibilities:

• Deliver implementation projects to our customers
• Create excellent documentation
• Complete project handovers to service delivery
• Implement new technologies
• Scope and plan successful projects
• Support internal training and staff development
• Mentor junior team members
• Troubleshoot and deliver high-quality solutions for our clients
• Work across both on-premise and cloud projects
• Support clients with cloud service configuration, Microsoft 365 migrations, server upgrades, firewall installation and security, VPN setup, and backup and disaster recovery solutions

Technologies:

• AWS
• Azure
• Citrix
• Cloud
• Cisco
• Firewall
• Hyper-V
• Support
• Microsoft 365
• Mobile
• Office 365
• Security
• SharePoint
• VPN
• VMware
• Windows
• DevOps
• Network
• REST

More:

We are razorblue, a growing IT partner and supportive team of like-minded tech people delivering real-world solutions for our clients. We work across a mix of on-premise and cloud projects, offering variety and hands-on exposure to new technologies that help modernise systems and improve reliability, performance, and security. We operate a hybrid working policy across most roles, with office time valued for natural learning and teamwork. Our benefits include a base salary of £55,000 to £60,000 per annum depending on skills and knowledge, hybrid working after probation, flexible working, 25 days holiday plus public holidays and the option to purchase 10 more, your birthday off, a £2,000 referral bonus, enhanced family leave and baby bonus, fully funded training and accreditations, paid charity volunteering days, discounted broadband, life insurance, private health insurance with Vitality Health, a quarterly team social fund, Cycle to Work, access to the latest tech through Currys, and an EV scheme. We are committed to an inclusive and accessible recruitment process and support reasonable adjustments where needed.

last updated 33 week of 2026