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Системний адміністратор (DevOps), керівник

City of residence:
Kyiv
Ready to work:
Remote

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MAXIM ROSSOKHACH
DevOps Engineer / IT Infrastructure Manager Kyiv Oblast, Ukraine (Open to Remote)
Phone: [open contact info](look above in the "contact info" section)
E-mail: [open contact info](look above in the "contact info" section) / [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
Highly accomplished and versatile IT professional with over 15 years of experience in IT Infrastructure Management, System Administration, and DevOps. Proven track record of designing, building, and modernizing robust network architectures, cloud environments, and highly available systems. Adept at leading teams, managing complex migrations, and aligning IT strategies with business goals. Seeking a challenging [DevOps Engineer / Infrastructure Manager] role to leverage technical expertise in driving operational excellence.

PROFESSIONAL EXPERIENCE
Retail Group
Head of IT Infrastructure Operations Department | 03.2019 – 05.2026
• Lead and manage a team of 5 system and network administrators responsible for the company's core IT systems.
• Oversee comprehensive IT services, including server/network infrastructure, email, office applications, API and web services, and cloud environments.
• Successfully designed and built a redundant Data Center (DR-DC), including equipment selection, site preparation, and service workflow architecture.
• Executed seamless migration of virtual infrastructure and core services to a new site, configuring replication and ensuring high availability (HA).
• Implemented company-wide IP telephony and managed the complete modernization and equipment upgrade of the corporate network.
Euro-Asian
DevOps Engineer | 02.2017 – 03.2019
• Ensured uninterrupted operations for high-load web services, databases, and backend environments for developers.
• Redesigned corporate network topology to optimize performance, stability, and reliability.
• Implemented terminal servers and established secure remote access via OpenVPN tunnels.
• Migrated 1C servers and databases to cloud hosting platforms.
• Overhauled the server room, managing equipment procurement, rack installation, and network setup.
• Designed power redundancy solutions (UPS + Generator) and backup communication channels to guarantee zero downtime.
• Procured and configured OpenVox GSM gateways.
Regent Hill
Head of IT Infrastructure Development / System Administrator | 12.2015 – 12.2016
• Designed and deployed the complex network infrastructure (LAN, Single-SSID Wi-Fi, ACS/СКД, multimedia) for the Regent Hill complex.
• Built a professional server room from scratch, enforcing precise climate control and environmental requirements.
• Managed external vendors and contractors, handling contract negotiations and procurement.
• Implemented IP telephony, GSM signal amplification solutions, and 1C accounting software.
• Successfully deployed a CRM system to manage and automate end-to-end organizational workflows.
• Built the IT department from the ground up, managing recruitment and task distribution.
LLC NRP (MOYO)
System Administrator | 12.2011 – 11.2015
• Provided comprehensive IT support for the corporate office and a nationwide network of retail shops.
• Managed the end-to-end IT infrastructure deployment for new retail store openings (LAN, Wi-Fi, 1C, IPsec, rack setups).
• Administered MS Exchange (migrated from 2010 to 2013) and Asterisk telephony systems.
• Maintained and optimized 1C servers, video surveillance platforms, and created automated network MSSQL backup routines.
• Participated in major infrastructure projects, including transitioning objects to QinQ traffic and setting up a corporate Call Center.
Volia Data Center
Technical Support & System Engineer | 06.2011 – 12.2011
• Managed data center servers and active network switches, configured web servers, and provided high-level technical support.
Ukrainian Hydrometeorological Center
Assistant System Administrator | 10.2010 – 06.2011
• Configured workstations, peripherals, active network equipment, and managed user accounts within Active Directory.

TECHNICAL SKILLS
• Cloud & DevOps: AWS, Cloudflare, Terraform, Ansible, Kubernetes, Docker, Jenkins.
• Automation & Scripting: Bash, Python, Shell scripting, Automation of routine infrastructure tasks and log analysis.
• Networking & Protocols: TCP/IP stack, VLAN, VPN (OpenVPN, IPsec), QinQ, MPLS.
• Routing & Switching: Fortigate, Cisco, Huawei, MikroTik, CheckPoint, HP ProCurve, Aruba, D-Link, ZTE.
• Wireless Infrastructure: HP, Aruba, Cisco, MikroTik, D-Link.
• Server OS & Directory Services: Windows Server (Active Directory, Group Policies, DHCP, DNS), Microsoft 365 / Exchange Online, Microsoft Exchange Server 2019
• Linux/Unix Environments: CentOS (Rocky, Alma Linux), Oracle Linux, Debian, Arch Linux, Fedora, FreeBSD.
• Web & Application Servers: Apache, Nginx, Php-fpm, Tomcat, Catalina.
• Databases & Caching: MySQL, Redis, Memcached, MSSQL.
• Mail Systems: MS Exchange Server 2019, Postfix, Dovecot.
• Monitoring & Hardware Management: Zabbix, Nagios, Intel AMT/vPro, iLO, iDRAC.
• Virtualization: VMware (vSphere, vCenter), Hyper-V (HV Cluster).

SOFT SKILLS
• Strong Communication & Interpersonal Skills
• Accountable & Responsible Team Leader / Team Player
• Analytical Thinking & Problem-Solving Under Pressure
• Adaptability & Eagerness to Learn New Technologies
• Vendor & Conflict Management

EDUCATION
State University of Information and Communication Technologies | 2005 – 2010
• Degree: Master’s Degree (Higher Education)
• Faculty: Computer Systems and Networks
• Specialty: Computer Engineering (Engineer)

LANGUAGES
• Ukrainian: Native / Fluent
• English: Upper-Intermediate
• Russian: Fluent

HOBBIES & INTERESTS
• Emerging IT Technologies: Deployed and managed home lab environments to test new open-source software, cloud native tools, and automation scripts outside of production environments.
• Car Building & Engineering: Passionate about automotive mechanics and custom car building; enjoy diagnosing complex mechanical issues, restoring vehicles, and understanding advanced automotive electronics.
• Sports Training: Dedicated to regular high-intensity training, which helps maintain strong self-discipline, endurance, and high stress-resistance in a fast-paced work environment.

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