The Opportunity

Cingularity is seeking a Senior Network Engineer to design, build and evolve the network infrastructure that underpins the delivery of mission-critical live broadcast and media services globally.

This is a hands-on technical role combining network architecture, carrier connectivity, automation, and operational support. You will play a key role in designing highly available network solutions, delivering infrastructure projects, automating network operations, and supporting a global backbone carrying premium live video content.

The successful candidate will bring strong network engineering fundamentals, experience operating large-scale production or carrier-grade environments, and a passion for improving reliability through automation and modern NetOps practices.

Key Responsibilities

Network Architecture & Design

• Design and implement resilient network infrastructure supporting global broadcast and media workflows.
• Produce High Level Designs (HLDs), Low Level Designs (LLDs) and technical documentation.
• Design highly available network solutions with appropriate failover and redundancy mechanisms.
• Lead technical infrastructure projects from design through implementation and operational handover.
• Contribute to the ongoing evolution of Cingularity's global network architecture.

Network Operations & Engineering

• Support and troubleshoot complex routing, switching and transport network issues.
• Participate in major incident investigations and root-cause analysis.
• Perform capacity planning and network optimisation.
• Maintain network standards, design principles and engineering best practices.
• Collaborate with Operations teams to improve service reliability and operational efficiency.

Automation & NetOps

• Develop and maintain network automation solutions using Python and modern automation tooling.
• Support NetOps initiatives and Infrastructure as Code methodologies.
• Integrate automation into network provisioning, change management and operational processes.
• Leverage NetBox as a source of truth for network infrastructure management.
• Contribute to CI/CD and GitOps-driven infrastructure workflows where appropriate.

Transport & Carrier Management

• Procure and manage carrier connectivity including:
  • Wavelength services
  • Dark fibre
  • Managed Ethernet services
  • Data centre interconnects
• Manage relationships with carriers and connectivity providers.
• Validate path diversity and network resilience using physical and logical network analysis.
• Manage optical network connectivity and link budget considerations across the global backbone.

Security & Firewalling

• Design and support network security solutions.
• Administer and support firewall platforms including:
  • Palo Alto
  • Fortinet
  • Cisco
• Support VPN technologies, segmentation and security policy implementation.
• Work closely with Security teams to improve overall infrastructure security posture.

Multicast & Media Network Support

• Design and support multicast routing solutions within broadcast and media environments.
• Support delivery of high-volume real-time video traffic.
• Troubleshoot multicast-related network issues and optimise traffic delivery.

Essential Experience

Technical Requirements

• Extensive experience as a Senior Network Engineer, Network Architect, NetOps Engineer or similar.
• Strong network architecture and design experience.
• Experience designing highly available and resilient network infrastructures.
• Strong understanding of routing, switching and IP networking.
• Experience with multicast networking technologies.
• Experience managing and supporting firewall platforms.
• Experience working with carrier and transport services.
• Practical experience implementing network automation.
• Experience with Python or similar scripting languages.
• Cloud networking experience within Azure, AWS or similar environments.
• Experience producing technical design documentation and implementation plans.
• Experience managing network projects through their full lifecycle.

Desirable Experience

• Experience with NetBox or similar IPAM/DCIM platforms.
• Experience using automation tools such as Ansible.
• Infrastructure as Code (IaC) experience.
• Experience within telecoms, ISP, media or broadcast environments.
• Experience with GitOps, CI/CD pipelines and source control workflows.

Technologies & Platforms

Experience with some of the following is desirable:

Networking

• Cisco
• Juniper
• Arista
• BGP
• OSPF
• Multicast Routing
• MPLS
• EVPN/VXLAN

Security

• Fortinet
• Palo Alto
• Cisco Firepower

Automation & NetOps

• Python
• NetBox
• Ansible
• Git
• APIs
• Infrastructure as Code

Cloud

• AWS
• Azure
• Cloud Networking Services

Transport Technologies

• Dark Fibre
• Wavelength Services
• Managed Ethernet
• Carrier Interconnects
• Optical Transport Networks

We are particularly interested in candidates from:

• Telecommunications Providers
• Internet Service Providers (ISPs)
• Network Service Providers
• Managed Network Operators
• Carrier Networks
• Broadcast Connectivity Providers