Telecommunications and Network Engineer

Christian Diaz

Telecommunications and Network Engineer with 10+ years of experience delivering GPON/FTTH, optical transport, and IP network infrastructure across enterprise and service-provider environments. Experienced in NOC leadership, routing and switching, SLA-driven service delivery, commissioning, fault rectification, and service restoration. Based in Brisbane and currently studying Certificate II in Electrotechnology at TAFE Queensland.

Location
Brisbane, QLD
Role
Telecommunications and Network Engineer
Experience
10+ years in telecommunications and networks
Current study
Certificate II in Electrotechnology

Selected achievements

Infrastructure delivery, NOC leadership, and measurable service outcomes.

National GPON delivery

Co-authored the successful technical design and supported delivery of 7 GPON nodes and a Tier-2 data centre.

NOC leadership at scale

Led a 12-person NOC team providing 24/7 monitoring for an FTTH/GPON environment supporting more than 16,000 endpoints.

Service assurance

Maintained greater than 99% availability, MTTR below four hours, and zero SLA penalties.

Core technical capabilities

Technical capability across network, optical, operational, and field environments.

Experience spanning IP networking and security, GPON and DWDM, NOC service assurance, structured cabling, microwave, wireless, and voice systems.

IP Networks & Security

Routing, switching, core network services, and security operations across enterprise and service-provider environments.

  • OSPF / BGP / MPLS
  • VLANs / QoS / STP
  • VRRP / HSRP
  • IPv4 / IPv6
  • NAT / DHCP / DNS
  • firewall policies / ACLs
  • IPsec / SSL VPN
  • network segmentation

GPON, Fibre & DWDM

Optical network engineering experience across GPON deployments, DWDM provisioning and troubleshooting, and fibre link-budget analysis.

  • GPON / FTTH
  • DWDM provisioning
  • DWDM troubleshooting
  • fibre link-budget analysis
  • optical transport
  • fibre infrastructure

NOC & Service Assurance

Live-service operations experience covering monitoring, incident triage, root-cause troubleshooting, restoration, and SLA tracking.

  • Huawei iManager U2000
  • Zabbix / Cacti
  • SNMP / syslog
  • incident triage
  • service restoration
  • SLA performance tracking

Structured Cabling & Field Delivery

Field delivery experience across customer-premises cabling, structured cabling, site-plan interpretation, coordination, QA/QC, commissioning, and handover.

  • customer-premises cabling
  • structured cabling
  • drawings and site plans
  • subcontractor coordination
  • QA/QC oversight
  • commissioning support
  • technical handover

Wireless, Microwave & Voice

Engineering experience across point-to-point and point-to-multipoint microwave systems, RF path profiling, antenna alignment, VoIP PBX, and call-centre platforms.

  • PtP / PtMP systems
  • RF path profiling
  • antenna alignment
  • RF feasibility and link-budget analysis
  • VoIP / IP PBX
  • call-centre platforms

Career experience

Career progression from field installation to network engineering and NOC leadership.

SISTECO

Telecommunications & Network Engineer

Overseas · 2009–2020

NOC Manager · October 2015–January 2020

  • Led a 12-person Network Operations Centre team for an FTTH/GPON program, establishing 24/7 monitoring with Huawei iManager U2000 to meet SLA targets.
  • Co-authored the successful technical design and supported delivery of 7 GPON nodes and a Tier-2 data centre.
  • Designed centralised IP addressing and routing architecture and configured GPON access platforms supporting more than 16,000 network endpoints.
  • Maintained greater than 99% availability, MTTR below four hours, and zero SLA penalties.

Telecommunication Operations Engineer · April 2009–September 2015

  • Designed, deployed, and managed private fibre and microwave networks for corporate environments.
  • Delivered IP routing, structured cabling, and point-to-point microwave systems across telecommunications sites.
  • Implemented VoIP PBX and call-centre platforms for multi-branch environments.
  • Managed structured cabling deployments and enterprise LAN infrastructure.
  • Configured server systems, supported disaster-recovery planning, and supervised technical personnel to meet project quality standards.

UNE

Overseas · 2007–2009

HFC Installation Technician · 2007–2009

  • Installed, maintained, and modified customer-premises communications cabling.
  • Configured and installed television, internet, and voice equipment.
  • Completed service activation in accordance with company technical standards.

Tools & platforms

Multi-vendor platforms across networking, monitoring, automation, systems, and technical documentation.

Network & Telecom

  • Juniper
  • Cisco
  • MikroTik RouterOS
  • Huawei
  • Ubiquiti
  • pfSense
  • GPON platforms

Monitoring & Observability

  • Huawei iManager U2000
  • Zabbix
  • Cacti
  • SNMP monitoring
  • syslog

Automation & Scripting

  • Python (Netmiko, Paramiko)
  • Bash scripting
  • Ansible

Systems & Virtualisation

  • VMware ESXi
  • Proxmox
  • KVM
  • Debian
  • Ubuntu
  • RHEL
  • Docker

Development & productivity

  • VS Code
  • Git / GitHub
  • Notion
  • AutoCAD (basic)
  • AI-assisted scripting and documentation (ChatGPT / Codex)

Credentials & training

Australian licences, registrations, cabling endorsements, safety training, and clearances.

Licences & registrations

  • ACMA Open Cabler Registration
  • Manual Class C Open driver licence

Cabling endorsements

  • Structured Cabling endorsement
  • Optical Fibre endorsement
  • Coaxial endorsement

Safety & site access

  • White Card
  • EWP Yellow Card
  • Work Safely at Heights

Additional clearances

  • Paid Blue Card — Current

Education

Engineering qualifications and current study across telecommunications, networking, project management, and electrotechnology.

Currently studying

Certificate II in Electrotechnology

TAFE Queensland

2023–2024

Advanced Diploma in Information Technology — Telecommunications Network Engineering

Australian College of Information Technology

2020–2023

English Language Program (Upper-Intermediate to Advanced)

Eagle Academy Australia

2015

Diploma in Engineering Project Management

Overseas

PMI-aligned curriculum

2015

Bachelor of Engineering in Telecommunications

Overseas

Career direction

Brisbane-based opportunities across telecommunications and electrical-adjacent infrastructure.

Seeking roles in commercial, industrial, and data centre environments where fibre, structured cabling, communications rooms, network systems, and electrical infrastructure intersect.

Contact

Recruitment, apprenticeship, and employer inquiries.

Use the secure contact form to discuss telecommunications and network roles, infrastructure opportunities, apprenticeship pathways, and electrical-industry entry positions in Brisbane.

  • LocationBrisbane, QLD