AVA2I

Contractor job Network & System Administrator (Level 2) – UK (Winnersh) – SC Cleared

Winnersh

AVA2I

Job position

Contractor
As soon as possible
3 years
ÂŁ300-330
2 to 5 years experience
Hybrid
Winnersh, England, United Kingdom
Published on 22/01/2026

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🎯 Context & Objective

We are looking for a Network & System Administrator (Level 2) to support and deliver a network infrastructure upgrade at the Winnersh site (UK), in alignment with group IT standards.
You will contribute to the design phase with multiple IT stakeholders and lead the implementation of the new architecture on-site.


đŸ§© Key Responsibilities
  • Resolve and document Level 2 IT tickets (incident/request)

  • Support installation and maintenance of operating systems, software and applications following standards and processes

  • Manage communication with internal users from request opening to resolution

  • Coordinate with external providers/vendors ensuring compliance with company standards

  • Manage IT assets: network devices, servers, licenses, desktops, printers

  • Manage access to IT tools ensuring security compliance

  • Support server infrastructure, virtualization, communications and security to ensure availability

  • Monitor and manage VMware infrastructure

  • Install, configure, test and maintain OS and system management tools

  • Ensure high availability, security, backup, firmware upgrades and redundancy strategies

  • Provide 2nd and 3rd level support, escalation and troubleshooting on complex topics

  • Maintain documentation (procedures, working instructions, network diagrams)

  • Provide user training and knowledge transfer to IT teams

  • Propose improvements and contribute to IT projects (global scope)

  • Work autonomously and report to IT Lead / IT Manager

✅ Deliverables
  • New infrastructure in production

  • Updated network diagram

Candidate profile

đŸ› ïž Required Technical Skills (Must-have)
  • Switches (Confirmed)

  • Routers (Confirmed)

  • WiFi (Confirmed)

  • English fluent (mandatory)

  • Minimum 5 years of relevant experience

⭐ Additional Skills (Strong plus)
  • Firewall knowledge

  • Linux / Windows administration

  • VMware / virtualization

  • Active Directory & user management

  • Hardware & software lifecycle management

  • Security / backup / firmware upgrades

đŸ€ Soft Skills
  • Problem solving

  • Time management

  • Critical thinking

  • Teamwork

  • Customer service mindset

  • Strong communication skills

🔐 Security Requirement (Mandatory)
  • UK HO SC level clearance (mandatory)

Working environment

  • Location: Winnersh, United Kingdom (on-site mandatory)

  • Candidate must live in the UK

  • Start date: January

  • Language: English (fluent)

  • Context: Network upgrade project + Level 2 operations/support

Colombes, Ile-de-France
20 - 99 employees
IT services
Créée en 2016, AVA2i est une entreprise tech qui va droit au but : Accompagner les organisations sur leurs enjeux IT avec efficacitĂ©, polyvalence et expertise rĂ©elle. Depuis nos dĂ©buts, nous avons dĂ©veloppĂ© une vision claire : 👉 ĂȘtre des experts gĂ©nĂ©ralistes capables d’intervenir lĂ  oĂč l’IT a besoin de cohĂ©rence, de fiabilitĂ© et d’impact. Nous Ă©voluons sur un large pĂ©rimĂštre : SystĂšmes, Production, Cloud, DevOps, Data, SĂ©curitĂ©, ObservabilitĂ©, Support, Exploitation .. Tout ce qui fait tourner, Ă©voluer et sĂ©curiser les environnements critiques de nos clients issus de tout les secteurs d'activitĂ©. Notre diffĂ©rence ? Nous ne faisons pas juste du conseil : Nous comprenons l’ensemble de l’écosystĂšme, nous connectons les sujets entre eux et nous apportons des solutions concrĂštes, adaptĂ©es et pĂ©rennes. Polyvalents, mais pointus. GĂ©nĂ©ralistes, mais exigeants ! 🚀 Pourquoi nous rejoindre ? Parce qu’AVA2i, c’est : ✅ des missions variĂ©es et stimulantes ✅ un environnement bienveillant et dynamique ✅ un accompagnement rĂ©el dans votre Ă©volution ✅ une aventure humaine oĂč l’on construit ensemble, depuis 2016, une Ă©quipe solide et passionnĂ©e.

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Network & System Administrator (Level 2) – UK (Winnersh) – SC Cleared

AVA2I

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