Network Operations Specialist

Network Operations Specialist

Full-Time On-site
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We are seeking an experienced Network Operations Specialist based in Sydney for a long term contract to lead and own the day-to-day operational performance of our enterprise network environment. This role is critical to ensuring the stability, resilience and continuous improvement of core network services across LAN, WAN, Cisco SD-WAN, wireless and network security.

About the Role

You will be responsible for overseeing network operations, leading incident response, managing vendor performance, and ensuring robust operational governance. Acting as a key escalation point, you'll work closely with internal stakeholders and external partners to deliver reliable, secure and high-performing network services in a complex enterprise environment.

Key Responsibilities

Network Operations Ownership

  • Own the day-to-day operational performance of the enterprise network across LAN, WAN, Cisco SD-WAN, wireless and network security services.
  • Lead and coordinate responses to major incidents, ensuring timely restoration, clear communication and effective escalation.
  • Drive problem management, root cause analysis and preventative actions to reduce repeat incidents and improve service stability.
  • Provide on-call support as part of a roster and support war room activities during critical operational events.
  • Act as the key operational escalation point for managed service providers and technology partners.
  • Hold vendors accountable for service delivery, SLAs, quality outcomes and remediation actions.
  • Monitor vendor performance, identify service gaps and drive corrective actions where standards are not met.

Change Management & Operational Excellence

  • Ensure strong governance across incident, problem, change and lifecycle management processes.
  • Support the transition of projects and new services into operations, ensuring documentation, support models and operational readiness are established.
  • Develop, maintain and continuously improve network operational procedures, standards and tested configuration states.

Stakeholder Engagement

  • Work closely with service owners, infrastructure teams, solution architects and senior leadership to align operations with the enterprise roadmap.
  • Communicate technical issues, risks and service impacts clearly to both technical and non-technical stakeholders.
  • Foster collaboration and promote a culture of continuous improvement and operational excellence.

Technical Leadership & SME Support

  • Provide subject matter expertise for complex network troubleshooting across Cisco-based enterprise environments.
  • Support provisioning, installation, operation, patching, upgrades and performance testing of network services.
  • Maintain accurate network documentation, inventory records, patch schedules, service procedures and performance reporting.

Key Relationships

Internal

  • Senior Managers
  • Service Owners
  • Infrastructure & Cyber Security Teams
  • Solution Architects

External

  • Managed Service Providers
  • Infrastructure Service Providers

Skills & Experience

  • 8-10+ years' experience in enterprise network operations and/or senior network engineering roles.
  • Experience in enterprise network across LAN, WAN, Cisco SD-WAN, wireless and network security services.
  • Strong operational experience across Incident, Problem, Change and Lifecycle Management in an ITIL-aligned environment.
  • Proven experience managing vendors, MSPs and customer-facing operational outcomes.
  • Hands-on troubleshooting expertise across Cisco hardware and software, with a solid understanding of TCP/IP and enterprise networking principles.
  • Exposure to cloud environments and a strong understanding of operational risk, resilience and service continuity.
  • Excellent communication, stakeholder engagement and problem-solving skills.
  • Ability to make sound decisions and perform effectively in a high-pressure, 24x7 operational environment.

Additional Requirements

  • Participation in an on-call support roster is required.
  • Ability to work collaboratively while taking clear ownership of outcomes.

Network Operations Specialist employer: NTT DATA, Inc.

AMSA is an exceptional employer that fosters a collaborative and innovative work culture, making it an ideal place for professionals in the tech industry. With a strong focus on employee growth, AMSA offers continuous learning opportunities and the chance to work on cutting-edge projects within the Dynamics 365 and Power Platform ecosystem. Located in a vibrant area, employees enjoy a supportive environment that values their contributions and encourages meaningful engagement with multidisciplinary teams.

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Contact Details:

NTT DATA, Inc. Recruitment Team