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Senior Infrastructure Engineer

Vanquish Tech


Job Location:

London - UK

Monthly Salary: Not provided by the employer
Posted: 4 November 2026 (Yesterday)
Application Deadline: 1 February 2027
Vacancies: 1 Vacancy

Job Summary

Location: London
Employment Type: Contract 3-6 months
Working Model: Hybrid primarily 2 days per week in London/client offices
Sector: Insurance


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.

The Role

- 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.


Requirements
Experience and Qualifications

- 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





Required Skills:

Experience and Qualifications - 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