Astreya
System Administrator
Skills
16 days ago
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Important information
Contract type:
Permanent
Salary:
£40,000 – £45,000 / year
Location:
London, UK
Work mode:
Onsite
Published on:
7 October 2026
What they need
Role: System Administrator
Location: London, UK
The System Administrator is expected to facilitate operational support to and on behalf of the assigned team. The assigned team supports and maintains a variety of large and global scale systems for building management and physical security operations. The skill set required is industry typical 'systems administration', including working knowledge of various networking systems. Work is ticket based, and the team would be expected to procedurally work through tickets (submitted via a template) to resolution.
Scope:
- Applies company policies and procedures to resolve a variety of issues
- Works on problems of moderate scope
- Receives general instructions on routine work and detailed instructions on new projects
Your Roles and Responsibilities:
- Monitor ticket queue and IM channels
- Monitor and participate in managing systems and infrastructure
- Accurately record all metadata related to tickets on internal tools, including, but not limited to, CTI (category, type and item), outage resolution time, IM transcripts, postmortems, etc.
- Engage in managing and resolving troubleshooting tickets from internal teams and third-party teams, engaging other teams as necessary
- Maintain contact with 3rd parties and help to represent the assigned team in a professional and courteous manner which complies with clients’ vendor code of conduct.
- Provide out of business hours support for any scheduled time sensitive upgrades
- Provide 24/7 on-call support for critical system’s outages
- Other duties as required. This list is not meant to be a comprehensive inventory of all responsibilities assigned to this position
Required Qualifications/Skills:
- Bachelor’s degree (B.S/B.A) from four-college or university and 2 to 5 years’ related experience and/or training; or equivalent combination of education and experience
- Builds productive internal and external working relationships
- Exercises judgment within defined procedures and practices to determine appropriate action
- Comfortable with building and managing various servers
- Experience with networking management, configurations and changes
- Experience with systems and networking troubleshooting to identify the root cause and fixes
- Knowledgeable about ticket systems and follow processes
- Good communication and writing skills
- MacOS familiarity
- Windows Server Hybrid admin certification (AZ-800 and AZ-801) is a huge plus
- WindowsOS VM, Linux experience is a plus
- Focus on projects, experience patching Linux & windows
- Remote via SSH, RDP
- Network Monitoring (Splug, Nagios)
- AD experience, user group GPO management
- JAMF not needed
- RDS Remote Desktop services experience
- VDI is big plus (Horizon, Citrix) Virtual Desktop infrastructure
- Linux Cert is a plus
- GitHub experience a plus
Preferred Qualifications:
- Automation and scripting experience
Physical Demand & Work Environment:
- Must have the ability to perform office-related tasks which may include prolonged sitting or standing
- Must have the ability to move from place to place within an office environment
- Must be able to use a computer
- Must have the ability to communicate effectively
- Some positions may require occasional repetitive motion or movements of the wrists, hands, and/or fingers
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