Managed IT Support & Systems Administration

Dependable, proactive IT support backed by 20+ years of systems administration expertise — for Australian businesses that can't afford downtime.

IT management that keeps your business running.

NGN provides comprehensive managed IT support across Linux and Windows server environments, VoIP infrastructure, Office 365, and end-user computing. With experience managing fleets of hundreds of Linux servers using Ansible, and VoIP systems for over 2,000 PBX clients, we bring enterprise-grade capability to businesses of all sizes.

Our approach is proactive, not reactive. We continuously monitor your systems, apply patches and updates, and strengthen your infrastructure — so that most issues are resolved before your team is even aware of them. When something does need immediate attention, you speak to someone who can actually fix it.

Whether you need a fully managed IT service, specialist support for a particular system, or a second pair of hands for your internal team, NGN adapts to your needs.

What clients rely on us for

  • Linux fleet management (Debian, Ubuntu, CentOS, Red Hat) at scale with Ansible
  • Windows Server administration — Active Directory, Group Policy, and Microsoft services
  • VoIP and PBX infrastructure management for large client fleets
  • Office 365 suite management, migration, and ongoing administration
  • 24/7 monitoring with real-time alerting and incident response
  • Internet connection and firewall management for reliable, secure access

Managed IT capabilities

Linux Server Administration

Comprehensive management of Debian, Ubuntu, CentOS, and Red Hat Linux environments. System provisioning, hardening, patching, performance tuning, and automated configuration management via Ansible.

Windows Server Administration

Windows Server environment management including Active Directory, Group Policy, DNS, DHCP, IIS, and Microsoft integration services. User management, permission structures, and security policy enforcement.

VoIP & PBX Management

Large-scale VoIP infrastructure management with a proven track record managing 2,000+ PBX client systems. Call routing, trunk configuration, failover, and quality-of-service tuning for business-grade voice.

Office 365 & Microsoft 365

Office 365 tenant management, user provisioning, licence management, Exchange Online, SharePoint, Teams, and Azure AD integration. Migration planning and execution included.

Proactive Monitoring & Maintenance

24/7 monitoring of servers, services, and network devices. Automated patching schedules, health checks, and capacity planning so you stay ahead of issues rather than scrambling to fix them.

Internet & Firewall Management

Management of internet connections, firewalls, and VPNs — ensuring secure, reliable network access. BGP route management, failover configuration, and ongoing traffic analysis for optimal performance.

Platforms & Technologies

Systems and software we support and administer.

Debian / Ubuntu CentOS / RHEL Windows Server 2019/2022 Active Directory Office 365 Exchange Online Azure AD Asterisk / FreePBX Ansible Icinga2 Prometheus Grafana pfSense Cisco VMware vSphere Proxmox

Looking for dependable IT support you can count on?

Tell us about your environment and support requirements. We'll respond the same business day with a practical recommendation.

Get in Touch All Services

Let's discuss your IT support needs.

Tell us what systems you run and what level of support you're looking for. We'll get back to you the same business day.

Australia

1300 096 253

International

+61 2 8287 3300

Location

Sydney, NSW, Australia

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