Chrysovalantis Kolios

Network Deployment Engineer @ NOVA GR

Germany

Network Engineer focused on secure, high‑availability networks. Hands‑on with DMVPN, IPsec, and dynamic routing (BGP, OSPF, EIGRP), plus L2 switching. Delivering end‑to‑end provisioning across ISP Infrastructure and leading MPLS, VPLS, and SD‑WAN deployments in multi‑vendor environments (Cisco, Huawei, Fortinet, Mikrotik). CCNP Enterprise and FCSS certified in Enterprise Firewall and Secure SD‑WAN.

Rôles occupés

Network / Telecom Engineer2 - 5 years

Miscellaneous

MongoDB

Software testing

Network/Telecom

Cisco

Modeling Languages

BPM / BPMN

Langues

Maternelle Greek

Greek

Maternelle

English

Bon

Expériences professionnelles

Since 2020

Network Deployment Engineer @ NOVA GR

01 August 2023 -

Deploy services for business customers (Internet, MPLS). Collect customer technical information for low-level network design and analysis. Perform end-to-end provisioning of managed services on Nova Infrastructure (CPEs, appliances). Engage with MPLS, VPLS, and SD-WAN technologies.

Network Engineer @ ALGOSYSTEMS S.A.

01 November 2021 - 31 July 2023

Vast experience in Layer 2 and Layer 3 troubleshooting to resolve issues regarding various network protocols (BGP, OSPF, EIGRP, VPN, STP, EtherChannels, etc.). Implementing SD-WAN network configurations and installations. Communication with field technicians providing guidance for network equipment installation and troubleshooting.

Network Engineer @ DREAMLAB CYBERTECHNOLOGIES

01 October 2020 - 30 November 2021

Setting up and maintaining computer networks. Supporting and administering firewall environments in line with IT security policy. Providing remote support to on-site engineers and end users/customers during installation.

Études et diplômes

Since 2014

Network Professional @ Cisco Networking Academy, Athens

01 July 2022 - 31 May 2024

Cisco Certified Network Professional (ENCOR – ENARSI).

CyberOps Associate @ Cisco Networking Academy, Athens

01 December 2020 - 31 May 2021

Cisco Certified CyberOps Associate (200-201).

Network Associate @ Cisco Networking Academy, Volos

01 December 2019 - 31 July 2020

Cisco Certified Network Associate (200-301).

Computer Science and Telecommunications @ University of Thessaly

01 September 2014 - 30 June 2020

Bachelor’s Degree in Computer Science with a score of 8.08/10.

Chrysovalantis Kolios

Rôles occupés

Miscellaneous

Network/Telecom

Modeling Languages

Bon retour parmi nous

Bienvenue à bord!