Network Infrastructure Specialist

1 day ago

Sydney, New South Wales, Australia Commonwealth Bank of Australia Full time
About Us

The Commonwealth Bank of Australia is a leading financial institution with a strong commitment to innovation and customer service.

We are seeking an experienced Network Engineer to join our team in Melbourne or Perth. As a key member of our Global Technology Services business unit, you will be responsible for designing, implementing, and supporting network infrastructure solutions that drive excellence, quality, and performance across multiple portfolios.

Job Summary

This is a challenging and rewarding role that requires a high level of technical expertise, collaboration, and problem-solving skills. You will work closely with cross-functional teams to deliver network requirements and implementation to achieve business outcomes.

About the Role

Key Responsibilities:

  • Design and implement network infrastructure solutions using industry-standard technologies and frameworks.
  • Collaborate with stakeholders to understand business requirements and develop solutions that meet their needs.
  • Develop and maintain technical documentation and knowledge base articles.
  • Provide support and guidance to junior team members and contribute to the development of new engineers.
  • Stay up-to-date with emerging technologies and trends in the field and apply this knowledge to improve network infrastructure solutions.
Requirements

Tech Skills:

  • Mandatory knowledge and demonstrated understanding in design of routing technologies such as Static routing, BGP, OSPF, Multicast, Anycast, BFD, ECMP, Traffic load balance, NAT etc.
  • Very good understanding and working experience in core switching technologies i.e. VLAN, STP, Access port, Trunk, MST, VPC, VDC, VRRP, HSRP, GLBP.
  • Working experience in Datacentre technologies Spine and Leaf architecture, VXLAN, EVPN, Underlay, Overlay, MP-BGP, Border Leaf, Router server architecture.
  • Network orchestration tools experience DCNM, NDFC, Apstra.
  • Good understanding and hands-on experience in Cisco Nexus switches and NX-OS architecture, Cisco IOS, IOS-XE, IOS-XR.
  • Experience in Design, build and operating firewall technologies in a complex enterprise environment.
  • Extensive experience in Palo Alto/Cisco firewall technologies.
  • Contributed to the development of cybersecurity requirements, design & architecture artifacts, plans and policies to uplift the bank's security posture.
  • Specialized knowledge of development and design methodologies.
  • Network scripting and automation tools such as Ansible, Python, NSO, Yang, Terraform, JSON Script.
  • Discovery and validation of network connectivity requirements using enterprise tools such as Algosec, Splunk and AWS VPC flow logs, R53, Cloud redirect and Cloudfront, SolarWinds, Qualys, and Infoblox.
  • Mandatory knowledge and demonstrated experience of Cisco Switches (Nexus and IOS), Routers and Firewalls.
  • Desirable experience in F5 GTM, LTM, and Azure/AWS network security group enforcement policies and firewall management.
  • Manage escalation of complex technical issues from suppliers, operations and application teams.
  • Supporting and implementation of changes outside of regular business hours.
  • Flexibility in working hours to accommodate after hour changes.
  • Willing to work in rostered after hours on-call support.
Benefits

We offer a competitive salary package including benefits such as:

  • $120,000 - $180,000 per annum, depending on experience.
  • Flexible work arrangements, including remote work options.
  • Professional development opportunities, including training and certifications.
  • A dynamic and collaborative work environment.
  • A range of employee benefits, including health insurance, superannuation, and annual leave.

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