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Опыт работы

Senior Storage Engineer, Solutions Architect

с 05.2023 по 05.2026 (3 года)
Namecheap Inc., Дистанційно (IT)

Designed and implemented a multi-filesystem CephFS architecture for production mail infrastructure, with dedicated MDS topologies per workload (mail data / FTS indexing) and standby-replay daemons for high availability.
Operated full-stack Ceph infrastructure: BlueStore memory tuning, RocksDB compaction and write buffer optimization, CephFS/MDS internals, incident forensics, and hybrid storage architecture design.
Led forensic root-cause analysis for MDS stall incidents, producing structured remediation plans with operational runbooks and architectural change documentation.
Resolved complex cross-layer failures spanning MDS stalls rooted in RocksDB write buffer saturation, storage bottlenecks affecting Dovecot application latency, and package lifecycle interference from platform automation.
Integrated Ceph health telemetry with Zabbix, Prometheus, Grafana, and Netdata; developed ceph-mds-doctor.sh (Bash/AGPL) for automated MDS anomaly detection with Zabbix sender integration.
Maintained MITRE ATT&CK-aligned Linux audit rules; performed security reviews covering BlueStore access controls, MON quorum hardening, and CephFS auth cap scope — remediating privilege escalation vectors before production impact.
Led hardware evaluation and vendor engagement with Supermicro, Dell, Juniper, 45Drives, and Ambedded; validated storage designs against production workload profiles using FIO and Elbencho benchmarking.

DevSecOps Team Lead, IS Solutions Architect

с 08.2022 по 04.2023 (9 месяцев)
Dysnix, Дистанційно (IT)

Successfully implemented secure DevOps practices across the organization, resulting in a reduction in security incidents and vulnerabilities
Led the implementation of container security practices using Docker and Kubernetes
Conducted regular vulnerability assessments and penetration testing, resulting in a 50% reduction in critical vulnerabilities across the organization and the client environments
Collaborated with compliance and legal teams to ensure compliance with regulatory requirements, including GDPR, ISO 27001, OWASP TOP 10
Conducted security research, acted as a subject matter expert, and led training sessions, resulting in security and compliance improvements and team expertise
Identified new technologies, acted as a liaison, and delivered solutions on time and within budget, resulting in satisfaction and project success.

Head of RPA Department, Solutions Architect, Security Researcher

с 04.2020 по 09.2022 (2 года 6 месяцев)
Keplercode, Львів (IT)

As Co-founder, CEO, Head of RPA, Solutions Architect, and Security Researcher, I oversaw overall strategy and secured investment, resulting in revenue and team growth.
Managed the RPA department, leading a team to design and implement automation solutions.
Collaborated with clients to develop tailored solutions that delivered measurable ROI, resulting in revenue and referral increases.
Leveraging my extensive toolset, I developed a RPA business pipeline, negotiated contracts and pricing, and optimized processes, resulting in profitability increases.
Conducted security research, acted as a subject matter expert, and led training sessions, resulting in security and compliance improvements and team expertise.
Identified new technologies, acted as a liaison, and delivered solutions on time and within budget, resulting in satisfaction and project success.

Performance Test Engineer, Architect

с 01.2019 по 04.2020 (1 год 4 месяца)
SoftServe, Львів (IT)

Conducting thorough research and evaluation of performance testing tools to identify the best options.
Successfully deploying performance testing tools and conducting testing based on defined plans and requirements.
Establishing best practices for implementing performance testing and selecting appropriate tools and services for testing specific applications.
Developing testing scenarios and defining performance metrics required for testing.
Creating testing scripts to automate performance testing and implementing/configuring monitoring tools/systems as needed.
Conducting performance tests to evaluate system performance under different conditions and analyzing testing results to identify areas for improvement.
Preparing testing reports to summarize results and findings and communicating effectively with team members and customers regarding testing progress and results.
Creating detailed case studies based on the results of performance tests to provide insights and recommendations for future improvements.

Information Security Application Team Lead

с 01.2012 по 01.2019 (7 лет)
SoftServe, Львів (IT)

Successfully designed, implemented, and maintained hybrid data centers/clusters (DC: UA, DE, USA) to support corporate backup systems, corporate SIEM/LOG/NET-FLOW/IDS collectors, and security applications.
Implemented Unified Information Security Data Storage Systems (S-SDS) and corporate OSSIEM/Splunk/ES/Elastic Stack data visualization for improved security and performance auditing.
Developed corporate forensics storages/collectors and syslog/NetFlow/ipfix/jflow collectors to enhance security monitoring and threat detection.
Installed Host-based Intrusion Detection Systems (HIDS) and NIDS (Suricata, Snort, Nessus) for better network and system protection.
Successfully integrated data collectors within the project, enabling improved data management and analysis.
Implemented enterprise corporate backup service for Unix/Linux servers, ensuring reliable data backup and recovery.
Established corporate patch management and security policy for Unix/Linux environments to enhance overall system security.

Образование

Lviv Radio Electronics College (West Ukrainian College)

Machines and Robotics Systems, Львів
Среднее специальное, с 1990 по 1994 (4 года)

Master's Degree in Setting up and Administration of Computer Numerical Control (CNC) Machines and Robotics Systems

Дополнительное образование и сертификаты

ITIL® v3 Foundation Level | Hewlett Packard Enterprise

1 місяць

Знания и навыки

• Security
• High-Load Storage Systems
• Corporate Storage Systems
• Linux Internals
• Software-Defined Storage
• Data Lifecycle Management
• Enterprise Storage
• Object Storage
• Ceph
• Storage Architecture
• System administration
• Monitoring & Observability
• Storage Performance Tuning
• Root Cause Analysis
• Network File System
• Software RAID
• ZFS

Знание языков

• Английский — средний
• Украинский — свободно