Telecommunications (IT) jobs in Sydney NSW
26 jobs
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Posted 5d ago
Telecommunications Technical Officer
CPS Technology & Infrastructure
Sydney NSW•Full time
KEY POINTS WE FOUND
- Responsible for installation, commissioning, upgrading and maintenance of telecommunications infrastructure.
- Diagnose and rectify installation and network faults while ensuring compliance with safety and quality standards.
- Coordinate site activities and complete necessary documentation for telecommunications projects.
+60d ago
Telecommunication Technician
Private listing
Sydney NSW 2000•Full time
$80k
Above avg
KEY POINTS WE FOUND
- Install, test, and maintain telecommunication systems and equipment.
- Diagnose and repair faults in telecommunication networks.
- Provide technical support and assistance to clients and team members.

Posted 25d ago
Senior Technical Specialist
Optus
Macquarie Park NSW 2113•Full time
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Lead resolution of complex network faults and manage escalations during major incidents.
- Collaborate with engineering teams and vendors to implement network strategies and improvements.
- Provide training on new tools and technologies to internal staff and partners.
Posted 16d ago
Senior Technical Specialist
Singtel Group
Macquarie Park NSW 2113•Full time
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Lead the technical evolution of Mobile Core Signalling systems.
- Design and implement robust, secure, and scalable solutions for 3G, 4G, and 5G.
- Collaborate with stakeholders to ensure alignment with business needs and strategic objectives.
Posted 17d ago
IP Design Engineer | IP/MPLS Networks
HRG
Sydney NSW 2000•Contract
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Design and optimise IP/MPLS networks including routing and VPN services.
- Develop high-level and low-level designs and configuration documentation.
- Plan and support network migrations and troubleshooting.
Posted 13d ago
Senior Technical Specialist
Singtel Group
Macquarie Park NSW 2113•Full time
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Ensure optimal performance and reliability of the Optus Network.
- Lead resolution of complex network faults and manage escalations during major incidents.
- Collaborate with engineering teams and vendors to deliver network strategy and operational improvements.

Posted 25d ago
Technical Specialist Transmission Core
Optus
Macquarie Park NSW 2113•Full time
~$90k - $120k(Estimated)
KEY POINTS WE FOUND
- Collaborate with managed service providers and internal teams to enhance network strategies.
- Provide 24x7 support and resolve complex technical issues in a Tier 2 Network Operations team.
- Contribute to continuous improvement activities and support problem management.
Posted 20d ago
Senior Technical Specialist RAN
Singtel Group
Macquarie Park NSW 2113•Full time
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Ensure optimal performance and availability of the Optus RAN Network.
- Provide hands-on technical operational support and contribute to technical governance.
- Collaborate with managed service providers and internal teams to enhance operational effectiveness.


Posted 10d ago
Trade Floor Level 3 Voice Engineer-Major Bank
Bluefin Resources
Sydney NSW 2000•Contract
~$228k - $278k(Estimated)
KEY POINTS WE FOUND
- Provide Level 3 technical support for IPC trading floor voice and communications systems.
- Deliver and support trading floor voice projects, including system deployments, upgrades, migrations and infrastructure refreshes.
- Manage escalations with vendors and third-party support teams, driving issues through to resolution.
Posted 17d ago
Network Operations Engineer | Expression of Interest
HRG
Sydney NSW 2000•Contract
~$80k - $120k(Estimated)
KEY POINTS WE FOUND
- Monitor telecommunications networks and services, identifying faults and coordinating technical responses.
- Support major incident management and service restoration within agreed service levels.
- Work in a rotating shift roster, gaining exposure to different network technologies and operational systems.
Posted 25d ago
Technical Specialist Transmission Core
Singtel Group
Macquarie Park NSW 2113•Full time
~$90k - $120k(Estimated)
KEY POINTS WE FOUND
- Collaborate with managed service providers and internal teams to enhance network strategies.
- Provide 24x7 support and resolve complex technical issues in a Tier 2 Network Operations team.
- Contribute to continuous improvement activities and support problem management.
Posted 11d ago
Head of Safety & Risk | Digital Infrastructure
HRG
Sydney NSW 2000•Full time
~$150k - $200k(Estimated)
KEY POINTS WE FOUND
- Lead enterprise risk management and national WHS across Australia.
- Provide executive and Board reporting to inform decision-making.
- Drive improvements in safety systems and operational practices.
Posted 11d ago
Systems Engineer
Vocus Group
Sydney NSW 2000•Full time
~$100k - $130k(Estimated)
KEY POINTS WE FOUND
- Design, implement, and support telecommunications infrastructure.
- Administer Red Hat Linux platforms and VMware infrastructure.
- Develop automation solutions to improve operational efficiency.
Posted 5d ago
Senior Solutions Consultant - Telecommunications & Network Intelligence
HRG
Sydney NSW 2000•Full time
~$170k(Estimated)
KEY POINTS WE FOUND
- Work with major telco operators and senior industry decision-makers
- Turn network intelligence into commercial and strategic decisions
- Engage directly with senior network executives, CTOs, CMOs and other industry decision-makers

Posted 13d ago
Senior Technical Specialist
Optus
Macquarie Park NSW 2113•Full time
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Ensure optimal performance and reliability of the Optus Network.
- Lead resolution of complex network faults and manage escalations from Service Assurance Managers.
- Collaborate with Engineering teams and vendors to deliver network strategy and operational improvements.

Posted 13d ago
Senior Technical Specialist
Optus
Macquarie Park NSW 2113•Full time
~$100k - $130k(Estimated)
KEY POINTS WE FOUND
- Provide hands-on operational support and technical governance for network performance and reliability.
- Mentor junior team members and collaborate with vendors and internal teams for network strategy and improvements.
- Support incident and problem management while driving improvements in service quality and fault rates.
Posted 6d ago
MOTOTRBO & Telecommunications Technician | Regional QLD
HRG
Sydney NSW 2000•Full time
~$120k - $160k(Estimated)
KEY POINTS WE FOUND
- Work on MOTOTRBO, RF and radio systems across major mining sites
- Install, configure and maintain telecommunications equipment
- Enjoy strong earning potential with additional site uplift and vehicle provided
Posted 6d ago
Senior Technical Specialist - AusAlert
Singtel Group
Macquarie Park NSW 2113•Full time
~$100k - $130k(Estimated)
KEY POINTS WE FOUND
- Own Tier 3 technical support for AusAlert CBC and related messaging platforms.
- Lead complex fault analysis, root-cause investigations and vendor escalations.
- Provide technical leadership, coaching and mentoring to Operations and junior engineers.
Posted 6d ago
AD, Internal Audit - Networks & Technology
Singtel Group
Macquarie Park NSW 2113•Full time
~$130k - $160k(Estimated)
KEY POINTS WE FOUND
- Provide independent, risk-based assurance across Optus’ Networks and Technology environment.
- Lead complex audit engagements and oversee portfolio-level assurance activities.
- Build trusted relationships with senior stakeholders and provide strategic insights.
Posted 25d ago
Senior Technical Specialist
Singtel Group
Macquarie Park NSW 2113•Full time
~$120k - $150k(Estimated)
KEY POINTS WE FOUND
- Lead resolution of complex network faults and provide technical oversight during major incidents.
- Manage escalations and conduct end-to-end Problem Management including root cause analysis.
- Collaborate with engineering teams and vendors to deliver network strategy and operational improvements.