Network Infrastructure Architect

7 days ago

Sydney, New South Wales, Australia Singtel Group Full time

At Optus, we take a proactive approach to shaping our own future through innovation and investment. As a Senior Network Designer, you will play a crucial role in crafting network solutions that meet the evolving needs of our business.

The IT Infrastructure of Singtel Group is a complex environment comprising various infrastructure technologies, configured and organised into infrastructure platforms. These platforms support all Singtel-Optus application systems, which are delivered by or operate on these platforms.

Your primary responsibility will be to understand business scope and project requirements to develop detailed technical network solution designs for connectivity and network functionality or performance. You will work closely with stakeholders to ensure alignment with group network and IT standards and enterprise network security architecture.

You will be accountable for creating network solution designs of corporate data network infrastructure, developing, deploying, and maintaining detailed solution designs and cost estimates, as well as next-generation technology assessment and creation of engineering guidelines or integration solutions for enhancement, growth, and configuration to corporate network infrastructure platforms and end-to-end network services and connectivity.

Responsibilities

  • Design of infrastructure platforms in line with infrastructure strategies and architectures and business requirements
  • Lifecycle design for the roadmap of network infrastructure platforms
  • Product selection
  • Tender technical evaluation/technical assessments
  • Platform proof of concept
  • Platform optimisation and cost management
  • Enabling network management visibility of the corporate network and security infrastructure
  • Infrastructure subject matter expertise
  • Develop, document, and communicate infrastructure platform road maps, standards/template patterns, and design principles

Key Skills and Qualifications

  • Demonstrable CCIE level experience working in a similar network infrastructure and/or design role
  • Experience with NXOS & IOS
  • Very strong MPLS & BGP, Layer 2 & 3 VPN networking, OSPF routing
  • Cloud AWS, Azure, Google, Cisco ISE, Wireless, Load Balancing, Firewalls & Software Defined Networking (ACI and VX LAN) - desirable

Benefits

  • Flexible work arrangements, including 3 days in the office and 2 days remote
  • Inclusive paid parental leave, up to 14 weeks for the primary caregiver
  • Access to resources, webinars, and support via the 'Parents at Work portal'
  • Opportunities for professional growth and development through extensive online and facilitator-led learning catalogue
  • Vibrant campus life, with variety of facilities including restaurants, cafes, gymnasium, GP, and post office
  • Free Optus bus from Macquarie University Metro Station

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