Personal information hidden

DMYTRO BEREZHNYI
DevOps, NOC Engineer

Location: Odesa, Ukraine
Phone / Telegram: [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)

SUMMARY
Technical Support Engineer and DevOps graduate with a strong background in web server administration, user
support, and web service troubleshooting, combined with maritime officer experience. Solid foundation in
Linux systems, web hosting, and networking, enhanced by a DevOps certification from Hillel IT School and
an official CKA (Certified Kubernetes Administrator) certification. Proven track record of maintaining system
reliability, configuring web servers, and resolving technical issues for e-commerce platforms.

CERTIFICATIONS
CKA: Certified Kubernetes Administrator – The Linux Foundation

Issued: Apr 2026 · Expires: Apr 2028

Credential ID: LF-yz6ws5nr1g

DevOps Course Graduate – Hillel IT School

Issued: 2025

Credential ID: 25803977

TECHNICAL SKILLS
Containerization & Orchestration: Kubernetes (Cluster administration, Pods, Deployments, Services,
ConfigMaps, Secrets), Docker
Web Servers & Databases: Nginx, Apache HTTP Server, PostgreSQL basics, Web hosting
administration
Operating Systems & Scripting: Linux (Ubuntu, Debian), Windows Server, Windows 10/11, Bash
scripting
Cloud & Collaboration: Microsoft 365 administration
Programming & OOP: Python (Core concepts, Object-Oriented Programming principles)
CI/CD & Version Control: GitLab (Conceptual understanding of pipelines), Git, GitHub
Networking & Security: TCP/IP, OSI Model, IP addressing, DNS, Routing, NAT/PAT, Firewalls, SSL/TLS
certificates configuration

PROFESSIONAL EXPERIENCE
Technical Support Engineer (Web Server & Platform Support)

Callstar | 06/2022 – 04/2026

Provided technical support, log analysis, and incident resolution for an e-commerce web platform
during shore-based periods.
Configured and optimized Nginx and Apache web servers to maintain high availability and
performance.
Assisted clients with hosting setups, domain routing, DNS configurations.
Managed user access, permissions, and basic configurations within Microsoft 365 and Entra ID (Azure
AD) environments.
Handled remote desktop and server support using TeamViewer and ScreenConnect, ensuring timely
incident resolution.
Maintained strict ticketing discipline and updated internal technical documentation for resolved
infrastructure issues.

Third Officer / Deck Cadet

V.Ships Crew | 2016 – 2022

Third Officer (2019 – 2022): Responsible for bridge watchkeeping, safe navigation, updating
navigational charts/publications, and maintaining life-saving and firefighting appliances. Managed
technical documentation and port clearance procedures.
Deck Cadet (2016 - 2017): Assisted in navigation, vessel maintenance, and safety inspections under
senior officers' supervision.

Senior Glo Expert

British American Tobacco | 09/2018 – 12/2018

Conducted product presentations, managed B2C sales, and processed customer databases (cold and
warm leads).

PROJECTS & PRACTICAL EXPERIENCE
DevOps & Infrastructure Projects

Kubernetes Lab Administration: Designed, deployed, and configured multi-node Kubernetes clusters
during CKA preparation. Managed application deployment, network policies, troubleshooting, and
cluster security.
Windows Server & Cloud Administration Lab: Deployed a local test environment using Windows
Server. Configured Active Directory (AD DS), DNS/DHCP roles, and Group Policies (GPO). Evaluated
user management workflows and integration basics with Microsoft 365 cloud services.
Automation & Scripting: Developed Bash and Python scripts to streamline system administration
tasks, log parsing, and environment health checks.

EDUCATION
 Bachelor’s Degree in Sea and River Transport
Specialization: Navigation
National University "Odessa Maritime Academy"
Graduated: 2017

LANGUAGES
English: Intermediate (B1)
Ukrainian: Native
Russian: Native