Senior Network Services Consultant

Senior Network Services Consultant

Location: Brisbane, Australia

Employment Type: Permanent / Full Time

Date posted: 19/6/2026

Role Overview

The Senior Network Services Consultant plays a critical role within Brennan's Managed Network Services team, serving as the primary technical lead for a key client. This role involves providing strategic network guidance, resolving complex technical issues, and ensuring optimal performance of client IT environments. As the final escalation point for networking issues, the consultant will work closely with internal teams and the client to maintain best practice infrastructure and deliver high quality service.

Responsibilities

• Act as the senior technical authority for the customer network environment, owning technical outcomes and decisions.
• Serve as the final escalation point for complex incidents, problems, and vendor escalations.
• Work directly with client architects and senior stakeholders to influence standards, designs, and roadmaps.
• Lead and mentor junior engineers through coaching, knowledge transfer, and technical oversight.
• Provide strategic and deep technical advice across the network estate.
• Ensure adherence to ITIL change, incident, and problem management processes.
• Participate in major incident management and on call roster requirements.
• Act as the escalation authority for Cisco ACI including fabric design, policy models, segmentation, and operations.
• Partner with client architects to ensure ACI designs align to enterprise and security standards.
• Provide strategic leadership and deep technical support for Cisco SD WAN architecture, policy, and routing design.
• Troubleshoot complex performance, routing, and application experience issues.

Qualifications and Experience

• Strong hands on experience with Cisco ACI, Viptela, Meraki, Cisco routers and switches, Cisco ISE, and Zero Trust/NAC concepts.
• Support security and voice faults where required.
• Experience with Statseeker and Catalyst Centre is advantageous.
• Firewall and F5 load balancer knowledge is beneficial.
• Maintain accurate network documentation, diagrams, and standards.
• Drive continual service improvement through RCA and operational optimisation.
• Lead or contribute to development of new services and efficiencies.

Benefits

• Focus on health and well being - social club, sporting teams, health checks, poker, trivia nights and more.
• Discounted IT hardware and software products.
• A strong culture underpinned by values that are truly lived every day.
• An environment that embraces learning and development of all employees.
• Flexibility to work in the way that brings out the best in you.
• High levels of reward and recognition for overachieving.

A full background check will be required as part of the process.