Melih Teke
Cloud Network Engineer
Experienced network engineer with over 15 years in architecting and optimizing high-stakes network infrastructures across ISP, enterprise, and cloud landscapes. At Microsoft, I focus on Critical Environment and Zero Trust Networks, delivering large-scale migrations, automation solutions, and efficient datacenter operations.
About Me
Experienced network engineer with over 15 years in architecting and optimizing high-stakes network infrastructures across ISP, enterprise, and cloud landscapes. At Microsoft, I focus on Critical Environment and Zero Trust Networks, delivering large-scale migrations, automation solutions, and efficient datacenter operations.
Work Experience
Cloud Network Engineer
Microsoft · Full-time
Aug 2025 — Present
Amsterdam, North Holland, Netherlands · Remote
- •Design, implement, and optimize secure, scalable networking solutions across the Critical Environment (CE) and Zero Trust Network (ZTN) domains
- •Operate two distinct, mission-critical network environments deployed within Microsoft datacenters globally
Network Consultant (Contract)
Nike · Self-employed
May 2021 — Sep 2025
Hilversum, North Holland, Netherlands
- •Led the successful migrations of SDWAN from the Juniper platform to VMware (Arista) VeloCloud, resulting in improved network performance and scalability
- •Utilized automation tools including Python, Ansible, Docker, Jenkins, and GitHub to streamline network management and deployment through CI/CD process
- •Designed the network infrastructure for Nike's EMEA retail stores, resulting in enhanced network connectivity and performance
- •Demonstrated expertise in Cisco DNA, Cisco ISE, Cisco Wireless Controller, Solarwinds, VMware VeloCloud, Cradlepoint, Cisco IOS, IOS-XE, Cisco ASA
Network Security and Datacenter Consultant (Contract)
Liberty Global · Self-employed
Oct 2019 — May 2021
Amsterdam Area, Netherlands · Hybrid
- •Contributed to the OBO (One Backend Office) project by implementing network integrations and performing configuration changes on Cisco ACI, Check Point, and F5 platforms
- •Produced low-level design documentation and collaborated with stakeholders to deliver the project successfully
Senior IP/MPLS Engineer
BICS · Full-time
Jan 2016 — Oct 2019
Brussels Metropolitan Area
- •Contributed to ISP backbone and data center operations by leading large-scale router migrations (Cisco 7600 to Nokia SR)
- •Executed data center transitions, optimizing topology and capacity
- •Provided advanced troubleshooting and 2nd-level operational support
- •Collaborated with engineering teams to enhance the AS6774 backbone
Network Expert
Alcatel-Lucent · Full-time
Sep 2015 — Jan 2016
Greater Oslo Region
- •Led the Nokia ICENET VoLTE project, resulting in successful implementation of Voice over LTE technology
- •Designed the IP network for the IMS network, including creation of high-level and low-level design documentation
- •Provided support to the integration team during critical project activities and resolved design-related challenges
Network Expert
Alcatel-Lucent · Full-time
Jan 2015 — Sep 2015
London Area, United Kingdom
- •Involved in the Nokia British Telecom 4G LTE Mobility Project, resulting in the successful deployment of 4G technology
- •Performed configuration of various network elements using Nokia's SR Family technology
- •Created detailed low-level design documentation for the network design
- •Conducted security hardening tests to ensure network integrity and protection
Network Expert
Alcatel-Lucent · Full-time
Aug 2013 — Jan 2015
Antwerp Metropolitan Area
- •Expertly administered the ALU IPTC network, ensuring optimal performance and availability
- •Successfully managed datacenter and firewall migrations, resulting in upgraded and secure network infrastructure
Senior Network Engineer
Alcatel-Lucent · Full-time
Aug 2012 — Aug 2013
Slough, England, United Kingdom
- •Managed the Telefónica O2 Converged Core Project, including the successful migration of the backbone network from ESS to SR family technology
- •Coordinated end-customer migrations, including ISAM and DSLAM upgrades, resulting in improved network performance
Senior Network Engineer
Alcatel-Lucent · Full-time
May 2011 — Aug 2012
Istanbul, Türkiye
- •Oversaw the British Telecom Winston Migrations project, successfully migrating BT customers (including sensitive financial customers) globally
- •Utilized expertise in Cisco 7K2, 7K6, and 10K technology to ensure smooth customer migrations
- •Led the migration of connection edge and packet exchange systems
Network Engineer
Tekstilbank · Full-time
Jun 2010 — May 2011
Istanbul, Turkey · On-site
- •Designed, implemented, and operated the bank's sensitive and mission-critical network infrastructure
- •Managed large-scale Cisco and Juniper environments with a strong focus on performance optimization and fault-tolerant architectures
- •End-to-end troubleshooting and network performance reporting across core, distribution, and access layers
Network Engineer
Biltam · Full-time
Feb 2009 — Jun 2010
Istanbul, Turkey
- •Worked as a Network Engineer at an integrator/consulting company, delivering configurations and solutions across a wide range of networking vendors and technologies
Game Operator (Internship)
Family Kingdom, Inc. · Internship
May 2007 — Sep 2007
Myrtle Beach, South Carolina
- •Participated in the Work and Travel visa program, completing a seasonal work experience in South Carolina
- •Gained valuable international work experience while immersing in a diverse culture
Education
Electrical and Electronics Engineering
Skills
Cloud & Infrastructure
Routing & Switching
Vendors & Platforms
Automation & DevOps
Tools & Monitoring
Certifications
Cisco Certified Internetwork Expert (CCIE)
Cisco
Enterprise CCIE#41383
Projects
SDWAN Migration — Nike EMEA
Led migration from Juniper to VMware VeloCloud across Nike's EMEA retail and office locations.
Zero Trust Network — Microsoft
Design and operate ZTN domain networking solutions within Microsoft's global datacenter footprint.
OBO Network Integration — Liberty Global
Implemented network integrations on Cisco ACI, Check Point, and F5 as part of the One Backend Office project.
AS6774 Backbone Enhancement — BICS
Led large-scale router migrations from Cisco 7600 to Nokia SR and optimized backbone topology and capacity.