L3 - Systems and Network Engineer
About the role
The L3 - Systems and Network Engineer role is a senior technical position responsible for serving as the final escalation point for complex infrastructure and support issues, with a strong emphasis on networking, Microsoft 365, Azure, Windows infrastructure, and security. The engineer will independently resolve complex incidents, improve customer environments, and proactively enhance infrastructure security, reliability, and performance. The role also involves providing technical guidance to L1/L2 engineers and collaborating with vendors for specialist support. The position is with an established Australian technology solutions and managed services provider focused on modernizing and securing IT environments for clients. The company offers a range of benefits including medical insurance, home office setup allowance, internet and wellness allowances, and support for industry certifications.
Must have
- 7+ years of relevant IT infrastructure or technical support experience, with demonstrated L3-level capability
- Strong hands-on networking expertise across design, implementation, configuration, and troubleshooting
- Strong network security experience covering firewalls, VLANs, switches, and routers
- Strong Microsoft 365 experience and hands-on exposure to Microsoft Azure and cloud infrastructure
- Proven ability to independently investigate and resolve complex technical issues
- Experience conducting root cause analysis and implementing permanent technical solutions
- Good understanding of ITIL principles and IT service management practices
- Ability to operate confidently as the final technical escalation point and make sound technical decisions independently
- Experience guiding or mentoring L1/L2 engineers
- Ability to work effectively across varied customer environments and technologies
- Strong understanding of infrastructure security and industry best practices
- Microsoft 365
- Microsoft Azure
- Microsoft Intune
- Networking technologies
- Firewalls
- VLANs
- Switches and routers
- Network security
- Windows Server
- ITIL / IT Service Management
- Strong written and verbal communication skills
- High levels of ownership and accountability
- Strong analytical and problem-solving capabilities
- Proactive, improvement-focused approach
- Ability to work independently while remaining collaborative and engaged with the wider team
- Confidence communicating with customers and technical stakeholders
- Ability to guide and support L1/L2 engineers
- Strong documentation and process discipline
- Professional and customer-focused approach
Nice to have
- Halo PSA
- NinjaOne RMM
- Aruba switches
- Fortinet firewalls and switches
- DrayTek routers
- Microsoft certifications and/or relevant networking or security certifications
Technologies
- Azure
- Firewall
- Fortinet
- Intune
- ITIL
- Microsoft 365
- Network Security
- VLAN
- Windows
- Windows Server
Highlights
The role offers flexible work arrangements (home or office), medical insurance from day one for you and your spouse or parents, home office and internet allowances, gym and wellness support, mental health counseling, and reimbursement for industry certifications. Compensation is paid in Australian Dollars. The company emphasizes an open-door culture and regular team events. No specific application deadline is mentioned.
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