Senior Technical Specialist - Voice Core

Optus is a leading Telecommunications company that is known for delivering innovative solutions to its customers, disrupting the industry, and becoming a technology company with a diverse offering of products and services.

The Service Design and Delivery (SDD) group is accountable and responsible for Development, Solution Design, Testing and Implementation for Consumer/ Enterprise products, solutions and customers in the Optus Fixed Voice, Mobile Voice and Mobile Data network. This position reports to the Senior Manager, Service Design and Delivery within the Mobile Core & Services Engineering (MCSE) business unit in Group Networks

What You’ll Do

This role in Fixed Voice domain supports key components for Carrier Interconnect, International Voice, Business Voice Products and VoNBN. You will be asked to:

• Act as Subject Matter Expert for Fixed Voice Core including fixed voice access
• Prime for Service and Platform Performance Optimisation including vendor management for resolution of all performance deficiencies
• Coordinate production network cutover procedures ensuring minimal customer impact and including seamless network rollback activities if required
• As owner of Fixed Voice Design and Delivery, you will exercise sound judgement, manage day to day functions autonomously, and seek support from leadership only for escalated issues
• Act as prime interface for the Change Management process and prepare accompanying documentation
• Reduce downtime/outages on production elements by ensuring best practices are in use
• Manage the workload amongst other Service Design and Delivery team members and provide technical leadership and priortisation support to them.
• Investigate, develop and deploy new features or designs that will improve the efficiency of existing infrastructure and improve Service performance
• Develop well-prepared, accurate engineering network design and testing documentation, perform assessments of existing network elements
• Maintain test environments at production levels to allow meaningful project testing and production support
• Analyse network performance metrics and provide and implement network optimisation recommendations to improve performance
• Work directly with OE/OW to resolve outages or customer impacting faults

What You’ll Bring

To be successful in this role, you will be able to demonstrate:

• Knowledge of SBC solutions, Intelligent Network (IN) solutions, and Ribbon C20/CS200, DMS300, across Ribbon products
• Subject matter expertise in Fixed Voice Core architecture
• Hands on experience with Tracing and Monitoring Tools, ideally including Polystar/Netscout/Ribbon products
• In depth understanding of Fixed Network Core design, Signalling flows and Protocols (SIP, ISUP, INAP, RTP, DTMF, SIGTRAN, etc.)
• Experience with HLD/LLD creation, configuration, integration, and acceptance testing
• DevOps toolset knowledge, for example in Gitlab, Infrastructure as Code (IaaC), Ansible
• Strong collaboration skills to partner with other engineering, product, and architectural teams, and provide Tier 3 technical support for the above platforms and services
• Experience in test driven deployment, test automation, and DevOps structures
• High degree of adaptability and flexibility
• Independent decision making skills
• Ability to operate successfully in a high performance, ambiguous environment

The Good Stuff...

• Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
• Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
• Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
• Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
• We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
• Direct your own development and build future-ready skills with Optus U’s industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
• Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
• Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.
  
  

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email AccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity