Senior Network Engineer

We are seeking an experienced Network Engineer to join the Mobile Service Edge team within Core & Internet Engineering portfolio. This role will be responsible for supporting the delivery of strategic network transformation initiatives, operational stability improvements, infrastructure modernisation, and lifecycle management activities across critical network platforms.

The successful candidate will contribute to both business-as-usual operations and complex transformation programs, working across multi-vendor networking environments and collaborating with engineering, operations, architecture, and delivery teams.

• →Design, implement, support and optimise network infrastructure across large-scale environments.
• →Deliver network migration and modernisation initiatives.
• →Support operational stability, resilience and service reliability outcomes.
• →Perform root cause analysis and drive continuous improvement activities.
• →Develop and maintain automation solutions to improve operational efficiency.
• →Contribute to platform lifecycle management, technology refresh and transformation programs.
• →Support change implementation, incident management and problem resolution activities.
• →Collaborate with cross-functional teams to ensure successful project delivery.

• 10+ years' experience in Network Engineering within large enterprise or service provider environments.
• Strong hands-on experience with Cisco and/or Juniper networking platforms.
• Proven expertise in: BGP OSPF HSRP/VRRP STP Routing and Switching technologies
• Experience delivering network migration and transformation projects.
• Exposure to network automation and Infrastructure as Code (IaC) practices.
• Understanding of cloud networking concepts and hybrid infrastructure environments.
• Experience supporting highly available, mission-critical network services.
• Strong troubleshooting, analytical and problem-solving skills.

One or more of the following:

• CCNA / CCNP
• JNCIA / JNCIS / JNCIP
• AWS Cloud Practitioner
• Microsoft Azure Fundamentals (AZ-900)
• Network automation or cloud certifications

This role directly contributes to:

• Network Site Reliability Engineering (SRE) through reliability and operational excellence.
• Network Infrastructure through lifecycle and technology refresh activities.
• Product & Platform Network Engineering through modernisation and automation initiatives.
• Network Analytics through improved visibility, data quality and service assurance outcomes.

We know diverse teams deliver better outcomes, and we’re committed to creating an environment where everyone feels safe, respected, and supported — regardless of gender, background, or ability.

We strongly encourage women and gender-diverse people to apply and are happy to discuss flexible working arrangements or adjustments to the recruitment process.