Senior Network Operations & Incident Lead

Singtel Group; Australia; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive remuneration

25% off Optus products

Flexible working arrangements

Office campus with facilities

Parental leave up to 16 weeks

Counselling services

Job summary

Optus is seeking a Senior Technical Specialist, VAS, to ensure optimal performance and reliability of the network. You will lead incident management, governance of providers, and 24x7 operations from the Network Operations Centre.

You will drive RCA, proactive fault reduction, and architecture reviews, while mentoring teams and coordinating across vendors and internal engineering squads. This role emphasizes leadership and cross-domain collaboration.

Qualifications

• Bachelor’s degree in Engineering, Telecommunications, or related field.
• Strong knowledge of VAS platforms (SMSC, MMSC, Voicemail, IVR) and their GSM integration.
• Expertise in Unix/Linux OS and telecom signaling protocols (SS7, Diameter, SIGTRAN).
• Experience with relational and NoSQL databases is highly desirable.

Responsibilities

• Lead resolution of complex/high-severity network faults, including when MSPs cannot resolve.
• Oversee major incidents to ensure timely service restoration.
• Manage escalations from Service Assurance Managers with clear prioritisation of incidents.
• Conduct end-to-end problem management including RCA and corrective actions.
• Protect revenue and customer experience via proactive fault reduction on Transport network.
• Provide input into network expansion/upgrade planning and assessment of new tech.
• Drive changes to network design for quality and reliability.
• Validate planned works to ensure quality and performance.
• Collaborate with Engineering, MSPs and Vendors to deliver network strategy.
• Review and sign off on new tech architecture/design for supportability.
• Analyze and report service levels and KPIs; identify improvement actions.
• Deliver training on tools/tech and operational practices to staff/partners.
• Authorize/manage security access for vendors/partners.
• Represent Optus in Change Advisory Boards for significant changes.
• Identify automation opportunities to improve incident resolution and efficiency.
• Audit/fine-tune network alarms to boost monitoring effectiveness.
• Contribute to tool/platform strategy aligning with outcomes.
• Serve as primary escalation during shifts when leaders are unavailable.

Skills

SMSC

MMSC

Voicemail

IVR

Unix/Linux

SS7

Diameter

SIGTRAN

Databases

Service operations

Vendor management

Leadership

Communication

Education

Bachelor’s Degree in Engineering/Telecommunications

Tools

Oracle

PostgreSQL

MySQL

MariaDB

MongoDB

Cassandra

Job description

Optus is seeking a Senior Technical Specialist, VAS, to ensure optimal performance and reliability of the network. You will lead incident management, governance of providers, and 24x7 operations from the Network Operations Centre.

You will drive RCA, proactive fault reduction, and architecture reviews, while mentoring teams and coordinating across vendors and internal engineering squads. This role emphasizes leadership and cross-domain collaboration.