Summary
Overview
Work History
Education
Skills
Certification
Timeline
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STEVAN SAMARDZIC

Network Designer & SD-WAN Specialist
Budapest, Eötvös Utca 4,

Summary

Experienced and certified Network Designer with over 5 years in designing, securing, and supporting enterprise network infrastructures across global environments. Proven track record with SDWAN migrations, Cisco-based routing and switching, and cloud security technologies like zScaler. Skilled in implementing and maintaining secure and reliable WAN, LAN, and VPN systems, with hands-on involvement in 3rd-level troubleshooting and change execution. Skilled in Python and other programming languages, with a strong interest in automation and infrastructure management. Currently pursuing the CCNP certification, I am eager to expand my knowledge in network automation, cloud networking, and infrastructure security.

Overview

9
9
years of professional experience
5
5
years of post-secondary education
2
2
Certifications

Work History

Network Designer

British Telecom
Budapest
08.2022 - Current
  • Manage and design secure SDWAN solutions for enterprise clients, transforming legacy MPLS into cloud-enabled, scalable architectures.
  • Implement and support network migrations and new deployments in global environments.
  • Provide 3rd level network support and advanced troubleshooting for escalated incidents and complex connectivity issues.
  • Conduct high-level and low-level network designs (HLD, LLD, MLD) in alignment with security and performance standards.
  • Integrate cloud security platforms like Zscaler into network frameworks, improving zero-trust compliance.
  • Collaborate with global engineering teams and customers to ensure successful deployments and documentation of changes.

Service Tower Professional

British Telecom
08.2020 - 08.2022
  • Supported in-life network security and product enhancements, coordinating with service design and platform teams.
  • Validated implementation success through scenario-based UAT and ORT testing.
  • Participated in upgrades and operational rollout of secure infrastructure components.

Service Request Manager

British Telecom
08.2018 - 08.2020
  • Managed service requests related to networking and security infrastructure for enterprise environments.
  • Worked cross-functionally with project and technical teams to meet SLAs and deliver reliable network changes.

IT Service Desk Analyst

Tata Consultancy Services
07.2016 - 07.2018
  • Provided first-line support for IT infrastructure, including access control and network issue triage.
  • Administered Active Directory and supported remote network connectivity issues.

Education

Full Stack Software Developer -

Codecool
03.2021 - 04.2022

Higher Education Diploma - undefined

Josip Slavenski
01.2010 - 01.2014

Skills

  • WAN, LAN, WLAN, and VPN design and support

  • Routing & Switching (Cisco)

  • Network Protocols: TCP/IP, BGP, OSPF, VLANs

  • MPLS, SDWAN (Cisco vManage, Viptela)

  • Corporate network environments and segmentation

  • Zscaler Internet Access, proxy configuaration

  • 3rd level network troubleshooting and incident resolution

  • Service request handling under ITIL processes

  • Design documentation: HLD, LLD, MLD

Certification

CCNA - Cisco Certified Network Associate, 2024

Timeline

Network Designer

British Telecom
08.2022 - Current

Full Stack Software Developer -

Codecool
03.2021 - 04.2022

Service Tower Professional

British Telecom
08.2020 - 08.2022

Service Request Manager

British Telecom
08.2018 - 08.2020

IT Service Desk Analyst

Tata Consultancy Services
07.2016 - 07.2018

Higher Education Diploma - undefined

Josip Slavenski
01.2010 - 01.2014

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STEVAN SAMARDZICNetwork Designer & SD-WAN Specialist