Senior Network Security Engineer

Senior Infrastructure / Network / Security Engineer (L3)

Brisbane CBD | Hybrid | Up to $140K + Super | Full-Time Permanent

M365 · Azure · FortiGate · Networking · MSP · CCNA

A collaborative and forward-thinking Managed Service Provider based in Brisbane CBD is seeking an experienced Level 3 Senior Engineer to join their growing technical team.

This is an opportunity for a senior MSP engineer who thrives in complex environments, enjoys mentoring others, and wants to continue developing across Microsoft cloud and network infrastructure.

• Up to $140K + superannuation
• Full-time permanent role
• Hybrid flexibility
• Paid certifications and ongoing training
• Supportive, team-first culture

WHO ARE WE?

We are a well-established MSP delivering secure, scalable cloud and infrastructure solutions to a diverse client base. Our culture is built on collaboration, continuous improvement, and investing in our people.

We value engineers who take ownership, share knowledge, and are hungry to keep learning. Professional development is actively supported through certifications and structured training pathways.

WHAT WILL YOU BE DOING?

As a Senior Infrastructure Engineer, you will act as a senior technical escalation point while also contributing to infrastructure design, cloud migrations, security projects and network transformations.

You will:

• Lead and support Microsoft 365 and Azure infrastructure projects
• Deliver and maintain secure Azure environments and cloud migrations
• Design and implement Fortinet, Palo Alto, Check Point, Cisco, Juniper SRX firewall deployments, including full replacements and configuration
• Configure and manage IPsec tunnels and secure connectivity solutions
• Support and troubleshoot DNS, DHCP, routing and switching environments
• Work across switching technologies (Cisco, Aruba, HPE, Dell, FortiSwitch)
• Automate tasks and streamline operations using PowerShell and Python
• Operate within structured ITIL-based service environments
• Utilise PSA/RMM tools including Autotask, N-Central and ConnectWise
• Mentor junior engineers and contribute to technical documentation

This role balances project delivery, technical leadership, and high-level escalation support within an MSP environment.

WE NEED YOU TO HAVE…..

• 5+ years’ experience within an MSP environment
• Strong specialisation in Microsoft 365 and Azure infrastructure
• CCNA certification (or equivalent networking capability)
• Advanced experience deploying and configuring firewalls
• Strong knowledge of IPsec tunnels, DNS, DHCP and core networking principles
• Experience across enterprise switching platforms (Cisco, Aruba, HPE, Dell or FortiSwitch)
• Experience supporting and delivering cloud migrations
• Strong scripting/automation skills (PowerShell and/or Python)
• Experience working within ITIL-aligned environments
• Excellent communication and stakeholder engagement skills

IT’S NICE TO HAVE…..

• Additional Microsoft or Azure certifications
• Networking certifications
• Experience leading technical workshops or client solution discussions
• Presales exposure

TO BE CONSIDERED…..

Please apply online or email your CV directly to ***email_hidden***. For further information, call +61 485 858 848. Calls are welcome between 7 am and 10 pm. If unavailable, please leave a message and you will receive a response. By applying, you consent to your application being submitted to our client in relation to this vacancy only. You may also connect with me on LinkedIn: www.linkedin.com/in/ jackford

KEY SKILLS

Level 3 Engineer · MSP · Microsoft 365 · Azure · CCNA · Networking · Cloud Migrations · Automation