In-Demand Maintenance controller Jobs in Strathfield, Nsw

MS Core Cloud Specialist Fixed Voice
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Ericsson —Sydney NSW
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MS Core Cloud Specialist CS and IMS-1
Ericsson —Sydney NSW
Education: Bachelor’s in Telecom, Electronics, Computer Science or equivalent. This senior role requires deep expertise in Ericsson IMS stack and Nokia MSS/MSC-…
12d

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MS Core Cloud Specialist Fixed Voice

Ericsson -
Sydney NSW

Apply Now

Job Details

12 days ago

Qualifications

Computer science
CCNP
LAN
Education
Bachelor's degree
SSL
ServiceNow

Full Job Description

Join our Team

About this opportunity
Ericsson is seeking a highly skilled MS Core Cloud Specialist – Fixed Voice to join our team in Sydney, NSW. This senior role requires deep expertise in Ribbon and GENBAND voice switching platforms to support and evolve Fixed Voice network infrastructure across Australian Data Centers.

What you will do

Operate and maintain Ribbon/GENBAND Fixed Voice nodes (DMS100, CS2000/CS2K, C20 and sub-elements) across Sydney-based and national Data Centers
Perform fault management, incident resolution, and root-cause analysis for voice platform outages
Execute software upgrades, patch management, and planned maintenance on GENBAND/Ribbon platforms
Configure and manage C20 elements: GWC, CCA, USP/SP2K, AMS, MAS, NGSS/SST, SSL/SESM/A2, CS-LAN, CBM, CMT/IEMT, IEMS, RTP MP EM, PMDM, MG3.5K, MG15K, NDM, TNSI
Monitor network KPIs using Grafana and Kalix; resolve degradations proactively
Manage SBC provisioning, SIP trunking, and policy rules via Ribbon NMS
Develop and review MOPs for change management and maintenance windows
Collaborate with IMS, PS CORE, and NOC teams on cross-domain incidents
Provide Level 3 support and escalation management with Ribbon/GENBAND vendor TAC
Maintain accurate network documentation and knowledge-base articles

You will bring

Education and experience

Education: Bachelor’s in Telecom, Electronics, Computer Science or equivalent
Experience: 15+ years Wireline/Fixed Voice — hands-on experience on Ribbon or GENBAND platforms

Mandatory technical skills

Deep expertise in DMS100, CS2000 (CS2K), and C20 platform elements
Strong operational knowledge of Ribbon/GENBAND Fixed Voice architectures and SBC platforms

Tool knowledge

Grafana
Kalix
Ribbon NMS
ServiceNow / ITSM
Unix / Linux CLI

Protocol and technology knowledge

SIP (RFC 3261)
H.248 / MEGACO
SS7 / ISUP
SIGTRAN
TDM E1 / T1 / PRI
RTP / RTCP
G.711 / G.729
DTMF RFC 2833
LNP / ENUM
IPv4 / IPv6

Node types and platforms

Ribbon / Nortel – DMS100: Class 5 wireline switch — operation, provisioning, fault resolution
GENBAND / Ribbon – CS2000 (CS2K): Softswitch — call control, trunk management, signalling configuration
GENBAND / Ribbon – C20 Softswitch: GWC, CCA, USP/SP2K, AMS, MAS, NGSS/SST, SSL/SESM/A2, CS-LAN, CBM, CMT/IEMT, IEMS, RTP MP EM, PMDM, MG3.5K, MG15K, NDM, TNSI
Ribbon – SBC: Session Border Controller — SIP trunking, media policy, SIP/TDM interworking

Additional advantages and requirements

Added advantage: Good understanding of network KPIs (call completion rate, ASR, NER, MOS) for Fixed Voice, with ability to interpret and act on KPI degradation trends
Certifications: Ribbon/GENBAND certifications and CCNA/CCNP Voice (preferred)
Right to Work: Full right to work in Australia; Sydney-based or relocating

Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Australia (AU) || Sydney

Req ID: 788202

Apply Now

Refine Your Search

maintenance controller jobs in strathfield, nsw

MS Core Cloud Specialist Fixed Voice

MS Core Cloud Specialist CS and IMS-1

Service Technician

Controls Engineer

Reach Stacker Operator (Afternoon Shift)

Electrical Engineer - BMS Programming

Maintenance Technician

Software Architect (IFS Cloud)

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