With over 10 years of experience in IT, progressing from support roles to Lead SysOps, I focus on designing office infrastructure, handling office relocations, and managing platform migrations. My strengths include system administration, troubleshooting software, maintaining system performance, and providing technical support. I’m skilled in long-term planning, almost always meeting deadlines, and solving complex technical issues. Now, I’m looking to grow in high-load systems, Linux, and cloud solutions, and I’m open to opportunities with remote or remote-first companies.
Senior System Administrator
(Mar 2024 – Oct 2024)
Responsibilities:
• Server migration from office infrastructure to data centers and cloud platforms, ensuring minimal downtime and improved scalability.
• Automation of work processes and integration of services to streamline operations and improve efficiency.
• Implementation and optimization of backup plans to ensure fast recovery times in case of incidents, reducing downtime and data loss risks.
• Upgraded software from End-of-Life (EOL) versions to current, secure versions, ensuring compliance and performance improvements.
• Optimization of server resources to improve performance and reduce operational costs, ensuring efficient use of hardware.
• Training and mentoring junior system administrator, providing guidance on system management, security, and troubleshooting.
• Risk assessment and development of a security tips in preparation for certification and to enhance the company's overall security posture.
• Writing policies and procedures for daily operations, ensuring compliance with security standards and operational best practices.
Achievements:
• Implemented a monitoring system to proactively alert about server load increases, allowing analysis of when resources become insufficient.
• Documented procedures for installation, updates, backups, and recovery for core services, and successfully tested the backup system.
• Optimized the usage of backup systems, resulting in annual savings is about $2,000.
• Identified and resolved key issues within the company's internal network, improving overall performance and stability.
System Operations Engineer
(Apr 2022 – Mar 2024)
Responsibilities:
• Implementation of ISO 27001:2015 security requirements in accordance with company policy and recommendations from the security officer.
• Coordination and implementation of security policies, configuring management systems based on them.
• Design and management of access control groups tailored to specific network and company resource needs, ensuring alignment with security protocols and requirements.
• Patch management for production and staging environments.
• Deployment of test and production servers and VMs, environment setup, and monitoring implementation.
• Development and execution of a hardware upgrade plan in line with technical needs and requirements, including procurement and implementation.
Achievements:
• Attained ISO 27001 certification in 2022 and successfully renewed it in 2023 without any deficiencies.
• Spearheaded the company's relocation to a new building, overseeing the planning of network architecture, selecting providers, configuring VPNs, and reconfiguring routers. Managed the intricate office relocation, ensuring seamless operations across two sites and coordinating the transfer of the core router. Successfully executed the relocation of core routers and offices for over 150 employees within 30 days, achieving zero downtime.
Head of Infrastructure
(Jan 2018 – Feb 2022)
Responsibilities:
• Since joining the company, which experienced significant growth and tripled its staff size to 60 employees, my areas of responsibility included:
• Development of onboarding and offboarding procedures for personnel.
• Management of procurement, inventory, and oversight of equipment and software licenses.
• Implementation of a distinct role for technical support and conducting its hiring interviews.
• Role as project manager for the development and migration of a new website.
Achievements:
• Presented a risk management program that led to the strategic decision to migrate infrastructure to abroad servers.
• Managed the procurement, inventory, and oversight of equipment and software licenses.
• Implemented a distinct role for technical support; Conducted technical interviews for hiring talents.
• Prepared the company for high mobility, enabling office relocation and operational continuity within a single day.
• Selected and implemented solutions for transferring email, databases, and internal systems.
• Implemented tools for hybrid and secure connections from public networks.
System Administrator
(Feb 2017 - Dec 2018)
Responsibilities:
• Management of a company, overseeing 200+ accounts, 6 servers, 3 office locations, and 2 storage facilities across different sites.
• Oversight of access to websites, ERP systems, and 1C software.
• Contribution to the development of telephony, website, sales accounting system, and ERP system.
Achievements:
• Implemented patch management and devised backup plans.
• Optimized onboarding and offboarding procedures, integrating with the accounting department for automated account activation and deactivation.
• Restructured the access system from individual to group-based, mitigating incidents of accidental or inappropriate access.
• Migrated infrastructure to ESXi servers in a different country for enhanced system efficiency and reliability.
• Established and managed a support department to promptly resolve employee issues at offices.
• Developed a Telegram-bot-based door and gate access control using Raspberry Pi.
• Implemented Zabbix monitoring for incident management and quality control of system operations.
• Upgraded servers and virtual machines from EOL and legacy systems to current versions.
• Migrated from SOHO devices to MikroTik, providing a cost-effective alternative for network construction with mesh (Cap’s’Man), QoS, VPNs, multi-WAN, VLANs, and other solutions.
Technical engineer
(Sep 2013 – Aug 2016)
Achievements:
• Built LAN infrastructure, connected hosts, configured computers, and other LAN devices for seamless network operation, including routing configurations.
• Configured various levels of access to information, encompassing FTP, Samba, and Windows Share.
• Configured backup solutions for servers and occasionally developed backup scripts for both Windows and Linux environments.
• Set up and configured office devices, including routers, SIP phones, servers, print servers, web servers, VPN servers, DNS, open hotspots, etc.
• Installed Content Management Systems (CMS) and Customer Relationship Management (CRM) systems.
• Integrated Asterisk with CRM modules for enhanced functionality.
• Provided consulting services on IT technologies and prepared demos to showcase solutions