Chris Szymona
Sydney,Australia
Summary
Associate Customer Solutions Engineer with extensive experience at Macquarie Technology Group and Optus in network provisioning, customer migration and network architecture. Proven ability in SD-WAN, SD-LAN, IP/MPLS, and SIP trunking, coupled with strong project management skills. Successfully led complex customer migrations, enhancing service delivery and client satisfaction through effective technical consulting and problem-solving.
Overview
22
22
years of professional experience
1
1
Certification
Work History
Associate Customer Solutions Engineer
Macquarie Technology Group
Sydney
02.2024 - Current
- Post sales network architecture, design & consulting for Macquarie customers.
- Lead, Manage and Integrate end-to-end customer sites migrations from existing provider to Macquarie.
- Initiate technical discussions and gather requirements from customers.
- Work with project managers, Service Delivery managers, account managers to plan strategies and actions for order delivery.
- Configure core devices including cross connects between data & hosting environment.
- Escalation point for complex issues related to SIP Trunks, Routing & Firewalls.
- Identifying and resolving design issues related to customer networks and help them get resolved.
Customer Delivery Engineer
Macquarie Technology Group
Sydney
02.2023 - 01.2025
- Participate in customer technical discussions and workshops.
- Create network plans and procedures to migrate new customers from existing Telco provider to Macquarie Telecom network, including LAN and WAN Migration and failover plans.
- Implementation, testing, and troubleshooting of customer complex cutovers.
Network Provisioning Engineer
Macquarie Technology Group
Sydney
11.2018 - 02.2023
- Provisioning of data services on MPLS Core network comprised of Juniper MX series routers, Foundry switches, FortiGate Firewalls, and VeloCloud SD-WAN network.
- Provisioning of VOIP/SIP services on Acme Packet - SBC (Session Border Controller), and Cisco Broadworks.
Senior Engineer, Transport Integration
Optus
Macquarie Park
03.2012 - 09.2018
- Optus CPC Core Router Commissioning (Juniper M320, MX80, MX960, PTX5K, Cisco).
- Planning & Capacity Management.
- Creating EWO’s (Engineering Work Orders).
- Implementing afterhours PTW’s (Permit to Work) on Optus IP devices.
- Maintaining accurate Network Diagrams, IP Address Database, and internal documents.
- Liaising closely with other Optus departments (Architecture, IP Design, OEN, UECOMM).
Network Engineer, IP & Data Services Engineering
Optus
Macquarie Park
12.2007 - 03.2012
- Optus CPC Juniper Core Network – Juniper core router commissioning, P2P Martini/VLPS services provisioning across CPC, services migration from DPC to MPC/MIC cards, trunk link and customer link re-homing activities, deployment of Juniper MX80 IP network, commissioning new IP links via transmission and dark fibre, line card installs.
- Deployment of Cisco and Juniper routers and switches (Cisco 12000 GSR, 7301, 6509/7609, ASR1002, Catalyst 3560/3750 switches, Juniper M320, MX960, T1600 core router and Redback SE800 router) into Optus Consumer and Business Core IP Networks.
- Migration plans, network upgrades, test plans, integration testing, network redundancy analysis, network diagrams, engineering documentation, equipment staging, capacity management, project management, performing nighttime work on Optus IP networks (upgrades, migrations, hardware installations, link re-homing).
- Responsible for the installation and decommissioning of IP infrastructure (routers and switches) into Optus production and lab networks. Engage and coordinate build work with external data communications installers and Optus exchange staff. Project manage various projects related to growth of Optus IP networks.
- Working closely with Optus IP Tier 1 (NOC), Tier 2, Tier 3 (IP IME), and vendors (Cisco, Juniper, Ericsson) in managing the Optus IP networks.
- Liaising with Project Managers, Engineering managers, and other key stakeholders to deliver projects on time.
Network Engineer, Mobile Voice/Data Engineering
Optus
Macquarie Park
12.2006 - 12.2007
- Data-fill and testing of Mobile Network elements (SGSN, GGSN, Nokia SMSC, Checkpoint Firewall, DNS).
- GPRS/3G Testing with International Mobile Carriers (IR.21, IR.35 testing).
Provisioning Officer, Frame Relay/ATM Service Provisioning
Optus
Macquarie Park
08.2005 - 12.2006
- Provisioned Optus Layer 2 Services including Frame Relay/ATM PVC´s and Access Links and IP VPN´s on the Optus MultiNet ATM Backbone.
- Experience with Alcatel 5620 NMS, Alcatel/Newbridge ATM switches, Lucent DACS, Marconi MD202.
Customer Service Representative, OptusNet DSL
Optus
Macquarie Park
05.2004 - 08.2005
- Provided technical support and customer service to Optus DSL residential customers using D-Link DSL302G, Alcatel modems.
- Handled DSL billing inquiries and resolved customer complaints.
Network Repair Technician, RMA Service Dept
D-Link
Macquarie Park
11.2003 - 05.2004
- Troubleshooting and repair of D-Link networking equipment.
- Developed testing procedures and documentation for recurring faults.
- Provided email and phone technical support to customers.
Education
B.E - Electrical Engineering
University of Sydney
01.2003
Skills
- Customer migration and technical consulting
- Network architecture and design
- Network troubleshooting and problem solving
- SIP trunking and router configuration
- Capacity management and project management
- Technical documentation
Certification
- SSCA ‘Elite’ SIP Certification (The SIP School)
- FortiGate 7.2 Administrator (Fortinet)
- JNCIA-MistAI (Juniper)
- CCNA (Cisco)
- CCNP - Expired (Cisco)
- SD-WAN Foundation Skills (VMware)
- A+, Network+ (CompTIA)
- Microsoft Certified Professional (Microsoft)
References
Ahmed Toufaili, Manager, Transport Integration, Optus, 0422 422 833
Timeline
Associate Customer Solutions Engineer
Macquarie Technology Group
02.2024 - Current
Customer Delivery Engineer
Macquarie Technology Group
02.2023 - 01.2025
Network Provisioning Engineer
Macquarie Technology Group
11.2018 - 02.2023
Senior Engineer, Transport Integration
Optus
03.2012 - 09.2018
Network Engineer, IP & Data Services Engineering
Optus
12.2007 - 03.2012
Network Engineer, Mobile Voice/Data Engineering
Optus
12.2006 - 12.2007
Provisioning Officer, Frame Relay/ATM Service Provisioning
Optus
08.2005 - 12.2006
Customer Service Representative, OptusNet DSL
Optus
05.2004 - 08.2005
Network Repair Technician, RMA Service Dept
D-Link
11.2003 - 05.2004
B.E - Electrical Engineering
University of Sydney
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