Network Specialist

Telstra Corporation; Singapore; On-site; SGD 90,000 - 120,000; Full time

Benefits offered by this job

Performance-related pay

Access to learning programs

Global presence across 22 countries

Country-specific benefits

Job summary

Telstra Singapore Transmission NOC is seeking a Network Specialist to perform complex and specialized work in support of our global transmission network. You will monitor, troubleshoot, and resolve network issues across submarine and terrestrial cable systems, DWDM/OTN/SDH, and Ethernet, while coordinating with vendors and the Telstra SOC to maintain high availability.

The role requires a Bachelor's degree with 5+ years in submarine/optical network operations and offers global benefits, learning

Qualifications

• Bachelor's degree in Electronics/Communications Engineering (or related field) with 5+ years in submarine/optical network operations.
• Experience in submarine/optical network operations and supporting networks to meet SLA/KPI targets.
• Strong understanding of submarine and terrestrial cable systems, DWDM, OTN, SDH, Ethernet, and Layer 0/1 tech.

Responsibilities

• Provide NOC services for Telstra's transmission networks and generate monthly reports for various segments.
• Provide technical support and service solutions for transmission networks including submarine cables, DWDM/SLTE, Ethernet, and leased services.
• Perform 24x7 network monitoring, fault investigation, restoration, and escalation to meet SLA/KPI targets.
• Monitor cybersecurity threats and coordinate incident response with SOC.
• Proactively monitor network performance, perform preventive maintenance, and analyze data for performance standards.
• Coordinate with vendors and field teams for fault resolution and repairs.
• Prepare reports and manage notifications for planned/unplanned events; ensure regulatory compliance.
• Support business continuity and network augmentation in a fast-paced environment.

Skills

Submarine networks

DWDM/OTN/SDH

Vendor platforms

NMS tools

Python/Tableau/Splunk

Communication

24x7 support

Education

Bachelor's degree in Electronics/Communications Engineering (or related field) with 5+ years in submarine/optical network operations

Tools

MS Office

NMS tools

Python

Tableau

Splunk

Testing equipment

Job description

Employment Type

Permanent

Closing Date

27 Aug 2026 11:59pm

Job Title

Network Specialist

Job Summary

As at Network - Specialist, you perform the full range of complex and specialised technical work associated with specific work support functions.

Who We Are

We're an iconic Aussie brand with a global footprint. Our purpose is to build a connected future so everyone can thrive. We're all about providing the best experience and delivering the best tech on the best network. This includes making Telstra the place you want to work. For you, that means a having career that grows with you and working with a team powered by human connection that prioritises wellbeing and choice.

Telstra Singapore Transmission NOC (Network Operations Centre) is at the forefront of technology innovation with one of the most advanced networks in the world. Our NOC Team have the exciting responsibility of radically simplifying and digitising our core business our network. And, with our network continuing to lead the industry, we are also focused on developing scalable and innovative products to empower our customers to thrive.

What We Offer

• Performance-related pay


• Access to thousands of learning programs so you can level-up


• Global presence across 22 countries; opportunities to work where we do business.


• Other exciting applicable country-specific benefits to be shared as you progress.

What You’ll Do

• Provide NOC services to other Cables and OTT customers, generate monthly reports for Indigo Cable (Singapore-Perth), EAC Segment-M Qingdao, and other Reports as required


• Provide technical support and service solutions for Telstra's transmission networks, including submarine cable systems, DWDM/SLTE, Ethernet, and leased services.


• Perform 24x7 network monitoring, fault investigation, service restoration, and escalation to meet SLA and KPI targets.


• Monitor and respond to cybersecurity threats, coordinating incident response with Telstra's Security Operations Centre (SOC).


• Proactively monitor network performance, conduct preventive maintenance, and analyze system data to ensure compliance with performance standards.


• Coordinate with vendors, cable consortiums, and field teams for fault resolution, equipment replacement, and repair activities.


• Prepare reports, manage notifications for planned/unplanned events, and ensure compliance with global regulatory requirements.


• Support business continuity exercises, emergency restorations, and network augmentation projects in a dynamic, fast-paced environment.

About You

• Submarine & Optical Network Expertise - Strong understanding of submarine and terrestrial cable systems, DWDM, OTN, SDH, Ethernet, and Layer 0/1 technologies.


• Fault Management & Troubleshooting - Ability to diagnose network issues, interpret alarm hierarchies, and perform restoration activities under pressure.


• Vendor & Platform Knowledge - Experience with major optical network platforms (Infinera, Ciena, Nokia, Alcatel, Ericsson) and associated NMS tools.


• Tools & Technical Proficiency - Familiarity with service inventory systems, incident/change management tools, testing equipment, and MS Office suite; basic programming and data analytics skills (Python, Tableau, Splunk).


• Communication & Collaboration - Excellent interpersonal skills, ability to manage customer escalations, and coordinate with multiple stakeholders globally.


• Adaptability & Customer Focus - Ability to work in a 24x7 environment, handle shift changes, and maintain high standards of customer service and professionalism.

Education & Experience

Bachelor's degree in Electronics/Communications Engineering (or related field) with 5+ years in submarine/optical network operations.

We are committed to sustainability and inclusion

We're amongst the top 2% of companies globally in the CDP Global Climate Change Index 2023, being awarded an 'A' rating. If you want to work for a company that cares about sustainability, we want to hear from you.

Inclusion & Equal Opportunity

When you join our team, you become part of a welcoming and inclusive community where everyone is respected, valued and celebrated. We actively seek individuals from various backgrounds, ethnicities, genders and disabilities because we know that diversity not only strengthens our team but also enriches our work. We have zero tolerance for harassment of any kind, and we prioritise creating a workplace culture where everyone is safe and can thrive.

Background Check

As part of the hiring process, all identified candidates will undergo a background check, and the results will play a role in the final decision regarding your application.

Workplace Flexibility

We work flexibly at Telstra. Talk to us about what flexibility means to you.

Accessibility and recruitment support

When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process. We are aware of current limitations with our website accessibility and are working towards improving this. Should you experience any issues accessing information or the application form, and require this in an alternate format, please contact our Talent Acquisition team via the contact details found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment.

More about Telstra

We're an iconic Aussie brand with a global footprint. From our earliest days in the Postmaster General's Office to the Australian icon we are today, the heart of Telstra has never changed. We’ve always been committed to being a great place to work as we make the world a better place too. Working at Telstra, we all have a why. Whether it’s endless career opportunities, an amazing work-life balance or being able to make a difference, we all know why we’re motivated to be our best here. Our people find purpose and pride in being part of Telstra, because we support the things that matter most.

Application process and contact

We are committed to making it easy for everyone to apply. If you require accessibility support or adjustments during the recruitment process, please send an email to Disability and Accessibility inbox. [e-mail].

Career opportunities

In a business as big and diverse as ours, there’s a huge breadth of career paths available. Uncover opportunities, broaden your experience, and discover the many areas of our organization there is to explore.

Explore our teams

Explore our teams https://www.telstra.com.au/careers/our-teams