Network Engineer

Our client, a large Australian media brand, is looking for a Network Engineer with strong expertise in Cisco ASA firewalls to perform a comprehensive audit and cleanup of Access Control List (ACL) configurations. The ideal candidate will have a deep understanding of firewall policies, network security best practices, and the operational impact of ACL rules. It would be beneficial to have some level of automation and scripting skills to streamline network operations and improve the efficiency, reliability, and scalability of our infrastructure.

Key Accountabilities:

• Review and audit existing ACLs on Cisco ASA firewalls for accuracy, relevance, and efficiency.
• Identify and document unused, redundant, or overly permissive ACL entries.
• Follow and implement recommendations for improved rule structure, standardization, and automation opportunities.
• Collaborate with security, infrastructure, and application teams to validate rule usage and business requirements (Architects will provide guidance on this).
• Propose and implement cleanup changes with minimal disruption to business operations.
• Backup and document pre- and post-change configurations.
• Ensure ACLs follow organizational security policies and industry best practices.
• Assist in the development of ongoing processes for ACL lifecycle management.

Added responsibilities (Nice to Have):

• Implement network automation solutions using tools such as Ansible, Python, AWX and REST APIs.
• CCNA and CCNP.

To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Jennifer Bohm on or email: and quote the above job reference number.

Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.