Senior Network Engineer ( NV1 clearances )

Key Responsibilities

• Lead the design, implementation, and optimisation of enterprise network architectures across multi site and hybrid cloud environments.

• Provide specialist expertise across routing, switching, firewalls, load balancing, WAN, LAN, VPN, and SD WAN technologies.

• Support platform engineering initiatives including automation, network as code, and infrastructure modernisation.

• Conduct advanced troubleshooting and problem resolution across complex network and platform environments.

• Implement and maintain network security controls including segmentation, zero trust models, and secureaccess solutions.

• Develop and maintain technical design documents, configuration standards, and operational procedures.

• Lead major network changes, upgrades, migrations, and integration activities.

• Monitor network performance, analyse capacity, and ensure proactive tuning and optimisation.

• Collaborate with architecture, security, cloud, and platform engineering teams to deliver secure and scalable solutions.

• Contribute to incident, problem, and change management processes in accordance with ITIL frameworks.

• Provide technical leadership, mentoring, and guidance to engineering and operations teams.

• Ensure compliance with internal governance frameworks, audit requirements, and industry standards.

• Participate in vendor management, technology evaluations, and capability uplift initiatives.

Requirements

Required Skills and Experience

• Extensive experience as a senior network engineer in complex enterprise environments.

• Strong technical knowledge of enterprise networking technologies including routing, switching, firewalls, SD‑WAN, VPN, and wireless.

• Experience designing and supporting hybrid network platforms across on‑premises and cloud environments (AWS, Azure, or GCP).

• Demonstrated expertise with enterprise firewalls and security appliances such as Cisco, Palo Alto, Fortinet, or Check Point.

• Strong understanding of network security principles, segmentation, and secure architecture design.

• Experience with automation and scripting such as Python, Ansible, or infrastructure‑as‑code.

• Proven ability to lead major network projects, upgrades, and migrations.

• Experience working within ITIL‑based service management frameworks.

• Strong communication, documentation, and stakeholder engagement skills.

• Proven experience working in enterprise, government, or regulated environments.

• Required Australian Citizenship and Mandatory AGSVA NV1 Clearance.

Desirable Skills

• Certifications such as CCNP, CCIE, PCNSE, or JNCIP.

• Experience with cloud networking and platform engineering services.

• Knowledge of monitoring tools such as SolarWinds or Splunk.

• Experience in government, defence, or critical infrastructure environments.

• Exposure to DevOps and platform automation practices.