// network engineer · wrocław, poland
Valiantsin
Lambin
I configure and maintain multi-vendor networks, resolve L2–L3 incidents and keep IPAM and physical infrastructure tidy. Next stop: enterprise routing, switching and network automation.
# show running-config | section skills
network
CiscoDellNokiaLinux
TCP/IPDNSVLANSTP
NATARPDHCPLLDP
EtherChannelLAGOSPFBGP
HSRPVPN (IPsec, WireGuard)IPAM (GestioIP, NetBox)
tools & languages
PythonC / C++Docker
AWSGitJira
human languages
English B2Polish C1
German B1Russian native
# show log experience
07/2026 – 09/2026
3 months
3 months
Nokia
› Resolved 200+ network support tickets in Jira Service Management with a 99% SLA compliance rate.
› Troubleshot and fixed 30+ L2–L3 network issues together with other teams.
› Configured multi-vendor switches (Cisco, Dell, Nokia): VLANs, EtherChannel (LACP/PAgP/LAG), port security.
› Managed enterprise IP address space in GestioIP and NetBox, keeping documentation accurate.
› Designed and implemented new subnets and VLANs on Cisco Nexus switches.
› Organized MDF/IDF cabling (Fiber, DAC, Copper) and installed hardware in data center conditions.
10/2025 – 06/2026
9 months
9 months
Solvro
› Maintained and developed the club’s server infrastructure.
› Implemented a private container image registry for 25+ Docker images used by 7 project teams.
› Refactored legacy Dockerfiles (multi-stage builds, layer caching) — image size down ~60–70%.
› Configured and managed WireGuard VPN access for 50+ team members.
› Provisioned QEMU-based virtualized environments.
07/2025 – 08/2025
2 months
2 months
ZF Group
› Analyzed security alerts in SIEM during a simulated SOC internship, investigated incident scenarios and wrote incident reports.
# show education & certificates
Wrocław University of Science and Technology
Engineer’s degree in cybersecurity
10/2022 – 01/2026
Thesis: detecting secrets in source code in a DevSecOps environment — a multi-layered CI pipeline with automatic repository scanning.
Git · GitHub Actions · Python · Gitleaks · TruffleHog · detect-secrets · GitGuardian
Master’s degree in computer engineering
03/2026 – present
Cisco CCNA
✓ Introduction to Networks
✓ Switching, Routing, and Wireless Essentials
✓ Enterprise Networking, Security, and Automation
✓ Network Security
$ ping lambin.kontakt@gmail.com
Open to roles in
enterprise networking.
enterprise networking.