Junior Network Engineer – Microsoft 365 & Network Support

Koolie Communications; Sydney; On-site; AUD 55,000 - 75,000; Full time

Benefits offered by this job

Career development

Mentoring

Project variety

Leading technologies

Growth opportunities

Supportive team environment

Job summary

Comtex is seeking a motivated Junior Network Engineer in Sydney to support Microsoft 365 environments and enterprise networking projects. You will work with senior engineers on design, deployment and cybersecurity tasks while supporting a mix of commercial and residential networks.

The role offers hands-on exposure to Microsoft cloud stack, network switches/routers, and security tools, with mentoring to help advance toward engineering and design specialties.

Qualifications

• Hands-on experience supporting and administering the Microsoft 365 stack (essential).
• Knowledge of Azure AD / Entra ID, user administration, permissions and security.
• Familiarity with Intune and device management.
• Solid networking fundamentals: TCP/IP, DNS, DHCP, LAN, WAN, Wi‑Fi.
• Previous IT help desk / network support experience.
• Strong troubleshooting and customer‑focused approach.
• Excellent communication and teamwork.
• Willingness to learn and grow in role.

Responsibilities

• Provide day-to-day Microsoft 365 support and administration.
• Deliver Level 1/2 help desk IT and networking support.
• Assist with configuration, maintenance and troubleshooting of switches, routers, firewalls, and wireless networks.
• Assist with network design, equipment selection and documentation.
• Support remote programming and commissioning of networking gear.
• Monitor networks remotely, investigate alerts and coordinate fixes.
• Assist with planned maintenance, firmware upgrades, backups and reporting.
• Maintain accurate network diagrams and configuration records.

Skills

Microsoft 365

Azure AD / Entra ID

Intune / device mgmt

Networking fundamentals (TCP/IP, DNS,

Help desk / customer support

Communication / teamwork

Willingness to learn

Education

Microsoft or networking certifications (e.g., MS-900, AZ-900, CCNA, CompTIA Network+)

Tools

Ruckus

Cisco

HPE Aruba

Fortinet

Job description

Comtex is looking for a motivated and enthusiastic Junior Network Engineer to join our growing technical team in Sydney.

This is an exciting opportunity for someone with a solid Microsoft 365 background who wants to expand their skills across enterprise networking, network design, cybersecurity and managed IT services.

Working alongside experienced engineers, you will support a diverse range of commercial and residential networks, gaining exposure to major projects and leading networking technologies.

We are looking for someone who enjoys solving problems, takes ownership of customer issues and is keen to develop their technical career.

About the Role

You will be involved in the day-to-day support, monitoring and management of customer networks and ICT systems, as well as assisting with new projects and network deployments.

Key responsibilities include:

• Microsoft 365 Support: Administration and troubleshooting of Microsoft 365 environments, including Exchange Online, Teams, SharePoint and OneDrive.
• Help Desk: Provide Level 1 and Level 2 technical support, resolving customer IT and networking issues.
• Network Support: Assist with configuration, maintenance and troubleshooting of switches, routers, firewalls and wireless networks.
• Network Design Assistance: Work with senior engineers on network designs, equipment selection and technical documentation.
• Remote Programming: Assist with remote configuration and commissioning of networking equipment.
• Remote Monitoring: Monitor customer networks, investigate alerts, identify faults and coordinate corrective actions.
• Network Maintenance: Support scheduled maintenance, firmware upgrades, system backups and performance reporting.
• Technical Documentation: Maintain accurate network diagrams, configuration records and customer system documentation.

About You

• Demonstrated hands‑on experience supporting and administering the Microsoft 365 technology stack – essential.
• Working knowledge of Microsoft Entra ID (Azure AD), user administration, permissions and security.
• Familiarity with Microsoft Intune and device management.
• A sound understanding of networking fundamentals, including TCP/IP, DNS, DHCP, LAN, WAN and Wi‑Fi.
• Previous experience in an IT help desk, network support or technical support environment.
• Strong troubleshooting skills and a customer‑focused approach.
• Excellent communication skills and the ability to work as part of a team.
• A positive attitude, initiative and a genuine willingness to learn.

Highly Regarded

• Exposure to Ruckus, Cisco, HPE Aruba, Fortinet or similar networking products.
• Microsoft or networking certifications such as MS-900, AZ-900, CCNA or CompTIA Network+.
• Experience with network monitoring and remote management platforms.
• Basic firewall configuration and cybersecurity knowledge.
• Experience supporting commercial or multi‑site networks.

Why Join Comtex?

• Career Development: Develop from network support into network engineering, design and cybersecurity.
• Mentoring: Work alongside experienced engineers who will support your technical development.
• Project Variety: Gain exposure to major commercial, residential, healthcare and infrastructure projects.
• Leading Technologies: Work with enterprise networking, wireless, Microsoft cloud and security solutions.
• Growing Business: Join an expanding company with opportunities to take on greater responsibility.
• Supportive Team: Be part of a practical, collaborative team that values initiative and getting the job done.

About Comtex

Comtex is an established Australian communications and technology solutions provider specialising in Integrated Communications Networks (ICN), enterprise networking, structured cabling, Wi‑Fi, cybersecurity and managed network services.

We design, install, commission and maintain network infrastructure for major commercial, residential, healthcare and infrastructure developments.

Our growing managed services business provides ongoing network monitoring, technical support and maintenance to customers across a wide range of industries.