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# Senior Infrastructure Engineer

- **Company:** Vanquish Tech
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £60,989.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Active Directory Federation Services, Application Packaging, Microsoft Azure, Backup Devices, Microsoft Online Services, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Identity and Access Management, Storage Area Network (SAN), System Center Configuration Manager, Windows Servers, Network Administration, Windows Domain, Airwatch, Server Administration, TCP/IP, Cisco WebEx, Network Routers, Okta, Paessler PRTG Monitoring Tools, Office365, Firewalls (Computer Science), Microsoft InTune, Cisco, Vmware
- **Published:** November 4, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5951938570

## About the Role

Excellent Windows OS systems administration knowledge (Windows Server 2012 R2/2016/ 2019, Windows 10)

 - Strong experience managing Windows domain environments at an advanced level (Active Directory, Group Policy, Certificate Service etc) .
 - Strong Azure, O365 and Exchange Online administration skills.
 - Extensive experience working in a heavily virtualised environment (VMWare v6.5+ ideally).
 - Previous experience administering and maintaining Storage Area Networks.
 - Basic SQL server administration including installation, access management and backups/restores.
 - Good general knowledge of network administration (TCP/IP, DHCP, DNS)
 - Previous experience working of firewall, switch, or router administration (Palo Alto or Cisco Preferred).
 - Good experience with application packaging and deployment.
 - Experience setting up and maintaining desktop image deployment solutions.
 - Experience setting up and maintaining patch deployment solutions.
 - Demonstrable experience of working with an identity & access management solution (such as OneLogin, Duo, Okta, ADFS ).
Experience as an advantage

 - Azure, M365.
 - Endpoint Management Solution - SCCM
 - Infrastructure Monitoring - Paessler PRTG
 - Backups - Rubrik
 - Security Tools - Mimecast, Zscaler, BitDefender
 - Mobile Device Management - Airwatch, InTune (MDM & MAM),
 - Unified Communications - Cisco Webex, Microsoft Teams
More About You

 - Strong business stakeholder management
 - Professional and positive, with good customer-facing practices
 - Analytical and diligent, with attention to detail
 - Resilient: The ability to cope successfully under pressure and with shifting priorities
 - Articulate, transparent, with excellent communication skills in both written and spoken English
 - Effective collaborator and communicator at all levels, who use their initiative and shares skills
 - Be a self-motivated, self-sufficient, enthusiastic team player
 - Achieve results and targets - "Can do attitude" with initiative and drive
 - Be willing to travel - locally and internationally, as required

## Description

Vanquish Tech is looking for an experienced Senior Infrastructure Engineer to join our team, supporting one of our key clients. The role involves providing 3rd line infrastructure support to over 250 users, alongside designing and delivering high-quality infrastructure projects. We are seeking a proactive, technically skilled professional who can work collaboratively with IT teams and business stakeholders to ensure exceptional service delivery and maintain a reliable, secure and high-performing IT environment., Provision of BAU Infrastructure support to internal stakeholders.

 - Ensure optimal availability and performance of critical infrastructure components and applications.
 - Act as a key internal technical resource for major change projects.
 - Work closely with 3rd party vendors to ensure service provision and project delivery falls in line with business expectations.
 - Act as an escalation point for complex support issues.
 - Monitor the overall health of the infrastructure and responding to alerts as required.
 - Scope, design and implement new systems.
 - Produce and maintain high quality system and project documentation.
 - Monitor incoming security threat alerts and act when required.
 - Provide regular feedback to the Head of Infrastructure for projects, incident management and change management.
 - Mentor and guide junior members of the team.