Senior Infrastructure Engineer

razorblue Careers; Tees Valley; Hybrid; GBP 55,000 - 60,000; Full time

Benefits offered by this job

Flexible working

25 days holiday + public holidays (buy

Birthday off

£2,000 referral bonus

Enhanced family leave & baby bonus

Two paid charity volunteering days

Private health insurance with Vitality

Job summary

razorblue in the United Kingdom seeks an experienced IT Infrastructure professional to lead on-premises and cloud projects, spanning Azure, AWS, VMware and Citrix. You will implement, configure, and support Windows Server, networking, and security across client environments, with a focus on reliability and documentation.

The role offers a hybrid working policy, a base salary of £55,000–£60,000, flexible working, generous holidays, and comprehensive benefits including private health insurance,

Qualifications

• Networking, infrastructure and Microsoft qualifications (CCNA, JNCP, MCSA, VCP)
• Experience managing Microsoft Azure and Office 365 including CA, Azure AD Connect, Exchange Online/Hybrid, SharePoint, Teams, Intune/Endpoint Management
• Experience with public/private cloud platforms (AWS, Azure)
• Experience maintaining VMware vSphere and Hyper-V environments with replication/failover
• Experience supporting VOIP systems (FreePBX, Mitel, Gamma, Skype/Teams)
• Experience with MDM, MFA, email filtering, next-gen firewalls and antivirus
• Windows Server installation and configuration
• SAN devices with iSCSI, clustering, troubleshooting
• RDS/RemoteApp and Citrix environments (on-prem/cloud)
• Third-line network troubleshooting for Palo Alto, Sophos, FortiNet, Draytek, Juniper, Cisco
• Windows desktops, applications, tablets, and mobile devices
• Strong communication, documentation, research, organization and prioritization
• UK driving licence

Responsibilities

• Deliver implementation projects for customers
• Create documentation
• Handover projects to service delivery
• Implement new technologies
• Scope and plan successful projects
• Provide internal training and mentor juniors
• Work on hybrid on-premises and cloud projects (cloud migrations, VPN, upgrades, security)
• Troubleshoot and deliver high-quality solutions keeping clients satisfied
• Collaborate with a supportive team through planning, delivery and handover

Skills

CCNA

JNCP

MCSA

VCP

Microsoft 365 administration

Tools

Azure

Office 365

Azure AD Connect

Exchange Online/Hybrid

SharePoint

Teams

Intune/Endpoint Management

AWS

Hyper-V

VMware vSphere

RDS/RemoteApp

Citrix

Job description

Salary: £55,000 - 60,000 per year

Requirements:

• We are looking for a candidate with relevant networking, infrastructure, and Microsoft qualifications such as CCNA, JNCP, MCSA, or VCP.
• We want experience managing Microsoft Azure and Office 365, including Conditional Access, Azure AD Connect, Exchange Online/Hybrid, SharePoint, Teams, and Intune/Endpoint Management.
• We value experience with public and private cloud platforms such as AWS and Azure.
• We are looking for experience maintaining and updating VMware vSphere and Hyper-V environments, including replication and failover.
• We want experience supporting VOIP systems such as FreePBX, Mitel, Gamma, and Skype/Teams VOIP.
• We are looking for experience with MDM, MFA, email filtering, next generation firewalls, and antivirus solutions.
• We want experience with Windows Server installation and configuration.
• We value experience maintaining, updating, and troubleshooting SAN devices, configuring iSCSI connectivity, and managing clusters.
• We want experience supporting and troubleshooting RDS, RemoteApp, and Citrix environments, both on-premises and in the cloud.
• We are looking for third-line network troubleshooting experience and support for firewalls such as Palo Alto, Sophos, FortiNet, Draytek, Juniper, and Cisco.
• We want experience supporting Windows desktops, applications, tablets, and mobile devices.
• We expect effective communication, a methodical approach to diagnosis and documentation, independent research, organisation, and prioritisation.
• We require a full clean UK driving licence.

Responsibilities:

• We deliver implementation projects to our customers.
• We create excellent documentation.
• We carry out project handovers to service delivery.
• We implement new technologies.
• We scope and plan successful projects.
• We provide internal training to support staff development.
• We mentor junior team members.
• We work on a mix of on-premises and cloud projects, including cloud service configuration, Microsoft 365 migrations, virtual server deployment or upgrades, firewall installation and security, VPN setup, and backup and disaster recovery solutions.
• We troubleshoot and deliver high-quality solutions that keep our clients happy.
• We work closely with a supportive and knowledgeable team while supporting clients through project planning, delivery, and handover.

Technologies:

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

More:

We are razorblue, an IT partner with a growing team of like-minded tech people. We offer a hybrid working policy, with time split between home and the office after probation, and we believe office working supports natural learning and teamwork. We invest heavily in learning and development, with fully funded training and accreditations, and we have seen strong internal progression.

• a base salary of £55,000 to £60,000 per annum depending on skills and knowledge
• flexible working
• 25 days of holiday plus public holidays and the option to buy 10 more
• your birthday off
• a £2,000 referral bonus
• enhanced family leave and baby bonus
• two paid charity volunteering days
• discounted broadband
• life insurance
• private health insurance with Vitality Health
• a quarterly team social fund
• Cycle to Work scheme
• access to the latest tech through Currys
• an EV scheme

We are committed to creating an inclusive and accessible recruitment process and welcome requests for reasonable adjustments.

last updated 36 week of 2026