Voice Platform Engineer

This isn’t your typical voice engineering role. We’re building a next generation voice capability that underpins communication for some of Australia’s most recognisable organisations. If you’re energised by platform ownership, deep technical problem solving and driving real operational impact, this is a role where you’ll make your mark. 

You will be the heartbeat of our Enterprise SIP Platform, ensuring reliability, interoperability and seamless billing for wholesale and enterprise customers. This is a hands-on role with real influence across vendors, finance, engineering teams and customers who rely on our platform every day.

About Orro

We’re an Australian success story, now close to 500 people strong, delivering secure, end-to-end digital solutions across cloud, collaboration, cyber security, data services and network infrastructure, all backed by over 20 years of experience. Trusted by some of Australia’s biggest brands, Orro leads the way in designing, building and operating digital infrastructure that delivers greater efficiency, agility, performance and resilience. Our solutions take the stress out of tech for more than 400 businesses and over 20 million Australians every single day.

Our mission? To create “future now” solutions making it faster, simpler and safer for people to access, store and share information, wherever they are and whoever they’re with. But more than that, we know that real impact comes from connecting people, not just machines. That’s why we take the time to understand our clients; how they work, what matters to them, and where they’re headed so we can deliver not just what they need today, but what they’ll need next.

With offices in Sydney, Melbourne, Canberra, Brisbane and Perth, and teams across New Zealand, the Philippines and the UK, Orro is known for delivering future-ready solutions, backed by deep expertise, genuine human insight and lasting partnerships.

About the Team

You will join a high performing Collaboration team of around 25 specialists across Melbourne and the Philippines. The team delivers both Professional Services and Managed Services and is cross-skilled across core collaboration technologies. Tenure is strong, churn is low and the environment is supportive, connected and rich with learning opportunities.

What You’ll Be Doing

Platform Support and Maintenance

Keep the Enterprise SIP Platform running smoothly through hands on technical support, proactive maintenance and fast issue resolution. You will diagnose and resolve complex SIP challenges, manage vendor escalations and deliver clear incident reporting that drives continual improvement:

• Own platform availability, performance monitoring and rapid issue resolution


• Apply updates and patches while troubleshooting complex SIP and interoperability issues


• Manage vendor escalations and deliver concise incident analysis that informs future prevention

Technical Interoperability

Ensure the SIP platform plays flawlessly with surrounding systems. You will be the go-to expert for validating integrations, managing SIP trunks and maintaining clean, reliable documentation:

• Validate end to end SIP interoperability across telephony and communication systems


• Configure and manage upstream SIP trunks and supporting components


• Maintain precise documentation that supports consistent engineering standards

Billing Integration

Be the link between technology and accurate customer billing. You will manage CDR workflows, automate processes and work closely with finance to ensure every charge is timely and correct:

• Own billing integrations, including CDR imports, exports and workflow automation


• Partner with finance to ensure accuracy and resolve discrepancies quickly


• Provide clear reporting to support supplier negotiations and customer pricing

Technical Expertise and Consultancy

Share your SIP depth with teams and customers. You’ll guide engineering peers, run training sessions and advise on emerging tools, standards and best practice:

• Provide expert SIP guidance to internal teams and wholesale clients


• Run training and knowledge sessions that lift capability across the team


• Evaluate new technologies and help shape the platform’s technical direction

Vendor Management

Drive performance and accountability from our telecommunications and software partners:

• Manage vendor relationships and track adherence to SLAs


• Support vendor evaluation, selection and ongoing performance reviews

Process Improvement and Documentation

Strengthen the way the platform operates by refining processes, improving clarity and introducing automation where it matters:

• Identify opportunities to streamline and automate SIP platform operations


• Maintain high quality documentation and contribute to better internal processes

Security and Compliance

Keep the platform secure and compliant. You will embed best practices, support assessments and implement controls that protect our customers and our environment:

• Ensure the platform meets security and regulatory standards


• Coordinate assessments and implement controls that mitigate risk

Customer Support and Interaction

Be the trusted escalation point for complex SIP issues and build strong relationships with customers who rely on the platform every day:

• Resolve escalated technical issues directly with customers


• Build strong long-term relationships that shape a great support experience


• Work closely with support teams to uplift consistency and service quality

Key Stakeholders

Internal: Service Delivery Managers, Principals, Solutions Architects and Senior Engineers, Collaboration Delivery, Ops Team & Finance Billing Team

External: Enterprise and wholesale clients, Telecommunications vendors and software providers

What You’ll Bring

Essentials

• Minimum five years of experience in the IT or Telecommunications industry


• Strong technical expertise in the SIP protocol and hands on experience supporting SIP based platforms


• Practical experience maintaining high availability platforms including monitoring, troubleshooting and root cause analysis


• Knowledge of SIP interoperability across telephony systems and experience configuring upstream SIP trunks


• Understanding of telco billing fundamentals including CDR processes and billing accuracy


• Experience working with vendors in an operational capacity including SLA management and escalations


• Ability to communicate clearly with enterprise and wholesale customers when resolving technical issues

Bonus Points

• Strong capability in integrating or deploying Microsoft Teams, Cisco Webex or Contact Centre solutions


• Depth across VoIP softswitches, PBXs and SBCs including PortaSIP, FreeSWITCH, Asterisk, FreePBX, FusionPBX, 3CX, Bicom PBXware, Cisco CUCM, AudioCodes, Ribbon and Cisco CUBE


• Solid understanding of telecommunications billing including automation, tooling and reporting


• Confident building scripts or automation to enhance platform or billing workflows


• Actively contributes to process improvement, documentation and team knowledge sharing

Certifications

Relevant technical certifications will be viewed highly, including:

• SIP School


• SBC related certifications such as AudioCodes, Ribbon or Cisco CUBE

Even if you don’t tick every box, don’t let that hold you back. If this sounds like your kind of challenge, we’d genuinely love to hear from you!

Why Orro?

At Orro, we’re proud to support our people and the people who matter most to them in meaningful and inclusive ways. From public holiday swaps that embrace family and cultural diversity, to generous parental and caregiver leave, flexible work options, and company-wide mentoring, we’re here to help you thrive at every stage of life.

We also invest in the future through our Emerging Leaders Development Program, nurturing the next generation of talent from within. On top of that, you’ll enjoy 3 days of paid volunteer leave each year, novated leasing, employee discounts, and full access to our wellbeing platform packed with expert fitness plans, nutrition tips, and tools to help you feel your best, inside and out.

*Note: The role is subject to state and federal police background checks.