Technical Specialist, Fixed Voice

Location: Macquarie Park, NSW, Australia; hybrid arrangement with three days in the office and two days remote or from home

Company

hirify.global is an Australian telecommunications company delivering mobile, broadband, fixed voice, and digital services.

What you will do

• Operate and maintain Ribbon Fixed Voice nodes, including DMS300, CS2000, C20, SBC, PSX, IN, and associated network elements.
• Provide Level 2 fault management, incident resolution, and technical support for outages, service degradation, and complex operational issues.
• Manage escalated Enterprise and Wholesale customer faults, perform root-cause analysis, and validate permanent remediation.
• Configure C20 elements and manage SIP trunking, routing, policy rules, SIP/TDM interworking, and service validation.
• Execute software upgrades, patching, planned maintenance, testing, rollback, and post-change verification.
• Monitor network KPIs and improve observability, OSS integration, trusted data, automation, and Network Operations tooling with internal teams and vendors.

Requirements

• 15+ years of wireline or Fixed Voice telecommunications experience with hands-on Ribbon or GENBAND platform operations.
• Deep expertise in CS2000, C20, SBC platforms, call control, provisioning, trunk management, signalling configuration, and fault resolution.
• Advanced knowledge of SIP, SS7/ISUP, SIGTRAN, TDM E1/PRI, RTP/RTCP, G.711/G.729, DTMF, LNP/ENUM, IPv4, and IPv6.
• Practical experience with Grafana, Kalix/OSIX, Wireshark, Ribbon EMS/RAMP, ServiceNow or equivalent ITSM tools, and Unix/Linux command-line tools.
• Experience with incident management, root-cause analysis, planned maintenance, software upgrades, patching, change governance, MOP development, and vendor TAC engagement.
• Bachelor’s degree in Telecommunications, Electronics, Computer Science, or equivalent experience, plus strong communication and operational risk-management skills.

Nice to have

• Ribbon certifications, CCNA/CCNP Voice, or ITIL v4 Foundation.
• Knowledge of observability, operational analytics, automation, and safe AI-assisted operations.

Culture & Benefits

• Competitive remuneration, employee discounts, an $80 monthly credit, and 25% off hirify.global products.
• Flexible hybrid working and a collaborative office campus with cafés, gym, medical services, childcare, and other facilities.
• Competitive leave policies, including additional Connected days and up to 16 weeks of paid parental leave.
• Employee-led diversity networks, inclusion initiatives, and 24/7 counselling and wellbeing support.
• Free bus transport from Macquarie University Metro Station.