Senior Network Engineer - Cloud Networks

at  Westpac Group

HOW WILL I HELP?

An exciting opportunity is available for a Senior Network Engineer – Cloud Networks to join the Secure Network Services team in Group Technology. The Cloud Networks team is responsible for providing specialist services in relation to designing, planning, building, managing, optimising and supporting high-performance cloud network services and infrastructure for the Westpac Group.
The Senior Network Engineer – Cloud Networks is an expert who partners with our customers and the wider networks and infrastructure teams to engineer, deliver, support and continuously optimise cloud networks patterns as they pertain to public cloud. Using Infrastructure-as-Code, you will be directly responsible for building and deploying public cloud network infrastructure and ensuring that it is operationally supportable and fit for purpose by way of testing and continuous improvement.

The role will include, and is not limited to, the following responsibilities:

• Design, development, testing and deployment of public cloud network & security infrastructure and the associated Infrastructure-as-Code (IaC).
• Technical consultation for new cloud infrastructure patterns and standards.
• Deep understanding of how cloud network patterns are delivered, maintained, and managed by Infrastructure-as-Code, with a view to continuously improve existing delivery pipelines and procedures.
• Provide specialised third-level support and technical expertise to assist and manage issue resolution for public cloud network environments, ensuring issues are resolved within a timely manner (with the potential for on-call support).
• Provide input into the planning of future infrastructure requirements, including assessing existing infrastructure, conducting aspects of capacity planning, performance monitoring and tuning, and liaising with 3rd parties/external support vendors to ensure the stability and availability of technology infrastructure services.
• Championing, including conceiving and driving the implementation of, service improvement initiatives to enhance public cloud networks operational support services.
• Provide input into the development of technology strategies, standards, and governance procedures to support the development of effective infrastructure strategy, standards, and procedures.

HOW DO I APPLY?

At Westpac we are committed to providing a supportive culture and creating diverse, inclusive, and accessible workplaces, branches, products and services for our customers, employees, and community. This role is open to experienced candidates seeking a discussion around workplace flexibility. We invite candidates of all ages, genders, sexual orientation, cultural backgrounds, people with disability, neurodiverse individuals, and Indigenous Australians to apply. If you have questions about the recruitment process, please email talentacquisition@westpac.com.au .

The role will include, and is not limited to, the following responsibilities:

• Design, development, testing and deployment of public cloud network & security infrastructure and the associated Infrastructure-as-Code (IaC).
• Technical consultation for new cloud infrastructure patterns and standards.
• Deep understanding of how cloud network patterns are delivered, maintained, and managed by Infrastructure-as-Code, with a view to continuously improve existing delivery pipelines and procedures.
• Provide specialised third-level support and technical expertise to assist and manage issue resolution for public cloud network environments, ensuring issues are resolved within a timely manner (with the potential for on-call support).
• Provide input into the planning of future infrastructure requirements, including assessing existing infrastructure, conducting aspects of capacity planning, performance monitoring and tuning, and liaising with 3rd parties/external support vendors to ensure the stability and availability of technology infrastructure services.
• Championing, including conceiving and driving the implementation of, service improvement initiatives to enhance public cloud networks operational support services.
• Provide input into the development of technology strategies, standards, and governance procedures to support the development of effective infrastructure strategy, standards, and procedures

To be successful in this Senior Network Engineer – Cloud Networks role, you will need to demonstrate the below skills:

• Relevant IT industry experience with at least three years in a highly technical role.
• Experience in a complex IT infrastructure environment incorporating planning, implementation, operational management, configuration, and maintenance.
• Deep knowledge within the public cloud infrastructure domain across the below skill areas:
• Detailed understanding of integrating different public cloud platforms such as Azure or AWS.
• Detailed understanding of public cloud network infrastructure and services at a component level, including cloud networking concepts such as virtual networks, subnets, IP addressing, routing, security groups, load balancers, firewalls, and network security policies across multiple cloud platforms.
• Understanding of Layer-7 components including CDN, WAF, DDoS and TLS.
• Prior experience with infrastructure provisioning and/or automation platforms such as Terraform, Python, or Ansible.
• Public cloud architect/technical certifications such as AWS Solutions Architect, AWS Advanced Networking or Azure Network Engineer Associate.
• Cisco networking certifications such as CCNA or CCNP.
• Proficiency in TCP/IP networking, DNS, DHCP, VPN, firewalling & micro-segmentation technologies and network monitoring tools. Experience with software-defined networking overlays (SDN) is a plus, such as VXLAN EVPN or VMware NSX.
• Strong and intuitive analysis, problem solving and troubleshooting skills, including prior experience with diagnosing and resolving complex network issues, optimizing network performance, and conducting root cause analysis using available tooling capabilities.
• A firm understanding of a financial services operating environment and core applications & products is desirable.
• Excellent verbal and written communication skills.
• Thorough understanding and experience working in complex enterprise network environments.
• Experience supporting public cloud or network infrastructure operationally and responding to incidents.
• Understanding of the ITIL framework and service management – i.e. incident, change and problem management.
• Experience with project management and DevOps toolsets such as Jira