Senior 3rd Line Infrastructure Engineer – VMware & Windows

Leidos; Huntingdon; On-site; GBP 62,000 - 79,000; Full time

Benefits offered by this job

Contributory Pension Scheme

Private Medical Insurance

33 days Annual Leave (including public

Flexible benefits

Flexi-Time

Job summary

Leidos is seeking a Senior 3rd Line Engineer to provide advanced troubleshooting of incidents, drive problem management, CSI, and occasional change requests on critical IT systems. The role focuses on JUNO and related infrastructure with high user activity across varied security levels.

Responsibilities include escalated support from 2nd line, complex fault resolution, and ensuring SLA/KPI achievement. Strong VMware/VDI, HCI, SAN, backup, Windows/Linux, and networking skills are essential.

Qualifications

• Expertise in VMware/Hyper-V and VDI environments (VMware Horizon or Citrix).
• Strong experience with HCI (NetApp SolidFire or Nutanix) and SAN storage (NetApp/Dell PowerStore).
• Proficient in Backup & Recovery (Veeam/Commvault) and Windows Server environments incl. AD, DNS, DHCP, GPO.
• Linux system administration across major distros (Ubuntu/CentOS/RedHat) with networking knowledge.
• Knowledge of TCP/IP, load balancing, firewalls, and software-defined networks (NSX-T or similar).
• Experience with Kubernetes/Docker and microservices platforms; production/test/development lifecycle.
• Ability to produce висок-quality technical documentation and strong problem-solving, with ITIL Foundation awareness.

Responsibilities

• System Support & ticket resolution for high-priority incidents.
• Root cause analysis with resolver groups and vendors to prevent recurrence.
• Maintenance and periodic updates to keep systems current and secure.
• Document configuration changes and update SD+ records.
• Assist in deployment and configuration of virtual infrastructure components.
• Contribute to infrastructure projects and CRs through design and testing.

Skills

VMware

Hyper-V

VDI (Horizon/Citrix)

HCI (NetApp SolidFire/Nutanix)

SAN storage (NetApp/Dell)

Backup & Recovery (Veeam/Commvault)

Windows Server Admin (2008–2025)

Linux admin (Ubuntu/CentOS/RedHat)

Networking TCP/IP & firewalls

Kubernetes & Docker

Scripting & automation

ITIL Foundation

Education

ITIL Foundation

Tools

VMware Horizon

Citrix

NetApp

Nutanix

Veeam

Commvault

Job description

Leidos is seeking a Senior 3rd Line Engineer to provide advanced troubleshooting of incidents, drive problem management, CSI, and occasional change requests on critical IT systems. The role focuses on JUNO and related infrastructure with high user activity across varied security levels.

Responsibilities include escalated support from 2nd line, complex fault resolution, and ensuring SLA/KPI achievement. Strong VMware/VDI, HCI, SAN, backup, Windows/Linux, and networking skills are essential.