System Administrator

Xtera; London; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading telecommunications company is seeking an IT Systems Administrator in London to manage in-house and cloud-based infrastructure. This role involves installing and maintaining server software, user support, and proactive monitoring of systems for optimal functionality. The ideal candidate will possess strong communication skills and relevant IT experience, ensuring effective management of complex IT environments.

Qualifications

• 3+ years of experience in IT systems administration.
• Hands-on experience with Linux or Windows server administration.
• Experience with network administration and deployment.

Responsibilities

• Ensure IT system functionality and diagnose performance issues.
• Manage Microsoft 365 & Cloud Solutions for seamless collaboration.
• Maintain comprehensive documentation of IT assets and performance.

Skills

Troubleshooting

Network Security

System Optimization

User Support

Documentation

Job description

This is a demanding role, and we are seeking an IT Systems Administrator to manage our in-house and cloud-based infrastructure. Reporting to the Director of Information Technology, the Systems Administrator will be responsible for installing, maintaining, upgrading, and patching server software, applications, and hardware to ensure the smooth and efficient operation of our technology infrastructure. Serving as the primary point of contact for any IT-related queries or issues, this role provides hands-on technical support.

The position involves engaging with team members at all levels within our global organization, including external parties, across multiple time zones. The individual in this role works under general supervision, manages various shifts, may work over 40 hours per week and/or be subject to callback as required, and may also need to travel as necessary.

The ideal candidate will be ambitious, highly motivated, and possess excellent communication skills. You will be tasked with the overall management of the hardware and software systems that form our environment.

Key Responsibilities:

• Ensure IT system functionality: Diagnose and resolve performance issues while implementing necessary enhancements.
• Proactive monitoring: Detect unusual network activity and potential security threats before they impact end users.
• System compatibility & optimization: Oversee hardware upgrades, patch management, and infrastructure reliability.
• Microsoft 365 & Cloud Solutions: Manage Teams, SharePoint Online, Intune, and Autopilot for seamless collaboration.
• User Support: Assist employees with IT troubleshooting and provide training for new software implementations.
• Access management & security: Oversee user permissions, configure security protocols, and enforce access controls.
• Comprehensive documentation: Maintain records of IT assets, user demands, and system performance for future improvements.
• Network & Endpoint Security: Strengthen security measures across IT environments to ensure compliance and protection.

Basic Qualifications:

• 3+ years of experience in IT systems administration.
• Hands-on experience with Linux or Windows server administration.
• Experience with enterprise network administration and deployment

Preferred Skills And Experience:

• Working knowledge of network protocols (TCP/IP, DNS, DHCP, SNMP, NTP, PTP etc), firewalls administration and cybersecurity technologies.
• Excellent trouble-shooting experience (hardware, software, TCP/IP, applications, OS)
• Experience with administering multiple operating systems and platforms (Windows, Linux, Solaris.

·Familiarity with multi-platform authentication/identification environments.

·Experience with virtualization platforms and tools.

·Working knowledge, including the ability to set up, configure, upgrade, manage, and troubleshoot, Windows-based systems and services (i.e. Active Directory, Entra, Intune, AutoPilot, Windows Server,).

• Proficiency in administration and support of computer hardware, network, servers, desktops, security, backups and email
• Knowledge and understanding of network applications, web servers, email servers, firewalls, databases, file shares and print servers.
• Experience with scripting and automation tools
• Experience with configuration management, and provisioning
• A proven track record of developing and implementing IT strategy and plans

·Excellent communications skills with the ability to communicate with internal/external customers, vendors, management etc. in both formal and informal situations.

Additional Requirements

• Willing to work extended hours or weekends as necessary.
• Willing to be on after-hours on-call rotation.
• Ability to lift up to 30lbs.

Xtera is an equal opportunity employer.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Telecommunications

Referrals increase your chances of interviewing at Xtera by 2x

Get notified about new System Administrator jobs in London Area, United Kingdom.

Technology Risk Internal Audit Cloud Associate Director

London, England, United Kingdom 1 day ago

Greater London, England, United Kingdom 4 days ago

London, England, United Kingdom 3 days ago

London, England, United Kingdom 2 weeks ago

In House Legal Counsel Commercial/IT Transactions (2-4 PQE)

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

Dartford, England, United Kingdom 2 weeks ago

London, England, United Kingdom 2 days ago

London, England, United Kingdom 3 weeks ago

Greater London, England, United Kingdom 2 days ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 month ago

London, England, United Kingdom 4 weeks ago

London, England, United Kingdom 1 month ago

London, England, United Kingdom 2 weeks ago

Senior Site Reliability Engineer (Content Delivery Network)

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 3 days ago

London, England, United Kingdom 3 days ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 4 months ago

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 week ago

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.