IT & Software

Systems Administrator II

Astreya

London · Greater London · United Kingdom

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Overview

In this role you will provide operational support for large, global-scale systems used in building management and physical security. You will work with a ticket-based workflow to troubleshoot and resolve issues, collaborating with internal and third-party teams to ensure steady system performance. You will provide after-hours and on-call support for upgrades and outages, and represent the team with professional vendor interactions. You will document metadata, contribute to postmortems, and drive timely resolutions to incidents and changes.

Responsibilities
  • Monitor ticket queue and IM channels
  • Monitor and participate in managing systems and infrastructure
  • Accurately record metadata related to tickets in internal tools
  • Engage in managing and resolving troubleshooting tickets from internal and third-party teams
  • Maintain contact with third parties and represent the team professionally
  • Provide out of business hours support for scheduled upgrades
  • Provide 24/7 on-call support for critical system outages
  • Other duties as required
Key requirements
  • Bachelor’s degree (B.S/B.A) from a four-year college or university
  • 2 to 5 years’ related experience and/or training or equivalent
  • Builds productive internal and external working relationships
  • Exercises judgment within defined procedures and practices
  • Comfortable with building and managing various servers
  • Experience with networking management, configurations and changes
  • Experience with systems and networking troubleshooting to identify root cause and fixes
  • Knowledgeable about ticket systems and follow processes
  • Good communication and writing skills
  • communication
  • relationship building
  • problem-solving
  • server management
  • networking management, configurations and changes
  • systems and networking troubleshooting

Reference: WJ-747_31293956 · Posted 14 Nov 2026, 11:35 PM

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