Network & Systems Administrator

Introduction

Pretor IT is currently looking for a Network & Systems Administrator who will be responsible for the stability, performance, and security of Pretor’s on-premises and cloud infrastructure. This includes server administration, networking, backups, endpoint configuration, first-line support, and operational IT tasks. The role requires a hands-on individual who can manage day-to-day operations while ensuring continuous availability of critical business systems.

Duties & Responsibilities

 

 Server & Infrastructure Administration

• Manage and maintain all Windows Servers (on-prem and cloud).
• Administer Hyper-V and VMware virtual environments.
• Monitor server performance, patching, and security.
• Administer SQL Server instances at a basic operational level.

Backup & Disaster Recovery

• Oversee and verify all backups using Veeam, Windows Backup, and SQL backups.
• Perform regular restore tests and ensure recovery plans are up to date.

Networking & Security

• Maintain and configure Dell managed switches, switches, and networking equipment.
• Manage VPNs, including WatchGuard configurations and remote access.
• Monitor network health, uptime, and security.
• Setting up and maintaining Unifi APs

Endpoint & User Support

• Configure and deploy new laptops and desktops (manual setup).
• Install software, configure profiles, and ensure policy compliance.
• Respond to first-line helpdesk incidents.
• Maintain and update the IT asset register.
• Ysoft maintenance
•  

Security & Monitoring

• Work with Arctic Wolf EDR for alerts and remediation.
• Apply server and workstation patches.
• Ensure compliance with IT security controls.

Telephony (3CX)

• Manage basic 3CX configuration and user changes.
• Coordinate 3CX support with external providers when required.

Peripheral Systems

• Manage printers and troubleshoot faults.
• Maintain CCTV cameras and recorders.
• Assist with UPS and power-related infrastructure.

Cloud & Communication Platforms

• Basic administration of Microsoft 365 (mailboxes, distribution lists, licensing).
• Assist with SSL certificates and DNS/domain administration.
• Assist with cloud-hosted systems (Pretor’s two cloud servers).

Documentation & Processes

• Maintain accurate documentation for systems, procedures, and configurations.
• Assist with IT projects and infrastructure upgrades.

Desired Experience & Qualification

Technical Skills

• Strong knowledge of Windows Server administration.
• Virtualisation experience (Hyper-V / VMware).
• Good understanding of networking concepts (TCP/IP, VLANs, routing, firewalls).
• Experience with Veeam Backup & Replication.
• Basic SQL Server operational knowledge.
• Microsoft 365 administration experience.
• VPN and firewall experience (WatchGuard preferred).
• Familiar with EDR tools (Arctic Wolf beneficial).
• Basic 3CX PBX experience.

Soft Skills

• Strong problem-solving ability.
• Good communication skills with users and directors.
• Ability to document processes clearly.
• Strong time management and prioritisation.
• Self-driven with the ability to work independently.
• High attention to detail.
• Calm under pressure and service-oriented.

Qualifications & Experience

• 3–5 years’ experience in a similar Network/System Administrator role.
• Relevant IT qualifications or certifications beneficial (A+, N+, MCSA, CCNA, VMware, etc.).
• Experience in a multi-site or medium-sized business environment advantageous.

Working Conditions

• On-site role.
• Occasional after-hours work for maintenance or emergencies.
• Standby availability may be required for critical outages.

Package & Remuneration

Market Related