Nikolaos Alexopoulos
Portfolio Manager at Nokia
Budapest, Hungary
Summary
👤
Senior🎓
Top SchoolNikolaos Alexopoulos is a Portfolio Manager with nearly two decades of R&D and services experience in telecoms, now focusing on mission-critical and cloud-native core networks at Nokia from Budapest. He combines deep IMS expertise—HSS, CSCF, PCRF, VoLTE/VoWiFi/VoNR, charging and restoration—with hands-on product and solution management for large operator deployments and cloud CNF/CaaS migrations. Nikolaos has repeatedly led cross-functional teams to define, validate and upgrade complex core systems under tight timelines, balancing performance, robustness and commercial considerations. His background in signal processing and computational mathematics, plus an MBA, give him a rare blend of technical rigor and product/business acumen. A former MSCA postdoctoral fellow in Athens, he brings research-informed thinking to pragmatic architecture and portfolio decisions.
9 years of coding experience
20 years of employment as a software developer
MSC Communication Systems and Signal Processing, MSC Communication Systems and Signal Processing at University of Bristol, Faculty of Engineering, Electronic EngineeringMBA Social Sciences, MBA Social Sciences at Elliniko Anoikto PanepistimioBSC Mathematics, BSC Mathematics at Panepistimion Patron, Department of Mathematics, Division of Computational Mathematics & Informatics“The world of Entrepreneur”, “The world of Entrepreneur” at University of Bristol
English, Greek, Hungarian
Github Skills (18)
markdown10
github-pages10
jekyll10
jekyll-theme10
html10
cve9
vulnerabilities9
linkedin8
vulnerability-assessment8
vulnerability-detection8
linkedin-api8
scraper7
sdk7
api7
python6
Programming languages (6)
Github contributions (5)
nikalexo/nikalexo.github.io
Dec 2019 - May 2026
Github Pages template for academic personal websites, forked from mmistakes/minimal-mistakes
Contributions:2 PRs, 111 pushes, 2 branches in 6 years 5 months
templategithub-pages-templatemmistakesmistakesjekyll
nikalexo/web
May 2022 - May 2026
BALab web site
Contributions:10 pushes, 6 branches in 4 years 1 month
web-site
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