Platforms Lead Engineer

1 week ago

Sydney, New South Wales, Australia AC3 Pty Limited Full time $150,000 - $160,000 per year

Lead Network Engineer

(Must be Australian Citizen to apply)

AC3 is seeking an experienced and highly skilled Lead Network Engineer to join our Hybrid Cloud team in Sydney. This senior role is pivotal in ensuring the reliability, security, and performance of our network infrastructure, while also providing leadership and mentorship across the team.

About AC3

At AC3, our purpose is to make technology real. We partner with government agencies and leading organisations to deliver cutting-edge technology solutions that produce meaningful outcomes. Our culture is founded on three guiding values: Work Wise, Work Humble, and Work Honest. Together, they define the AC3 Way and guide how we collaborate with each other and our customers.

The Role

As the Platforms Lead Network Engineer, you will act as the senior technical authority within the Networks & Carriers team. You will oversee the design, provisioning, optimisation, and lifecycle management of AC3's network infrastructure. This role requires exceptional technical expertise, a strategic mindset, and a demonstrated ability to lead and mentor others.

Key Responsibilities

  • Lead the design, deployment, and management of network infrastructure across Cisco, Palo Alto, Juniper, Arista, F5 and other platforms.
  • Oversee lifecycle activities, including installation, configuration, patching, upgrades, migrations, and decommissioning.
  • Manage relationships with external networking vendors, carriers, and transit providers.
  • Provide technical leadership and mentorship to team members, acting as 2IC where required.
  • Drive operational excellence through proactive monitoring, capacity planning, and continuous improvement.
  • Ensure security and compliance with AC3's ISO27K obligations.
  • Participate in the on-call roster for escalations and incident response.

About You

  • Minimum of 10 years' experience with carrier-level networking devices across the full lifecycle.
  • Strong technical expertise in networking and security platforms (Cisco, Palo Alto, Arista, Juniper, Checkpoint, F5).
  • Demonstrated experience with Australian carriers, transit providers, and cloud networking (AWS, Azure).
  • Proven experience with automation technologies such as Ansible, Puppet, Python, or Perl.
  • Excellent analytical and problem-solving skills with the ability to manage competing priorities.
  • Strong interpersonal and communication skills, with experience engaging across all levels of an organisation.
  • Relevant certifications (Cisco CCIE, Palo Alto, Juniper, etc.) highly regarded.
  • ITIL v3 (or later) certification desirable.

Please note: Due to the nature of this position, Australian Citizenship is a mandatory requirement. The successful candidate must be eligible to obtain and maintain a security clearance.

What We Offer

  • The opportunity to act as a senior technical leader within a highly skilled team.
  • Exposure to a wide range of leading-edge networking and cloud technologies.
  • A collaborative culture that values professional excellence and continuous improvement.
  • $150,000 - $160,000 Base + Super + Bonus
  • Ongoing professional development and certification support.

How to Apply

If you are a highly capable network engineer seeking an opportunity to lead, influence, and deliver impactful outcomes, we would love to hear from you. Please submit your application today.

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