I'm Roman. Part infrastructure leader, part founder. I like building systems that don’t collapse under pressure — technical or human. Choose your path:

I lead global IT operations across DevOps, SRE, DBA, and Technical Support functions in an international fintech company, reporting directly to the CEO. My role focuses on infrastructure reliability, operational continuity, IT architecture, security governance, service delivery, and building a more scalable and controllable operating model across distributed teams and regions. A key part of the current transformation is the adoption of AI and agentic-first approaches across SDLC, support, and internal operational processes.

Current Focus:

• Stabilizing and modernizing infrastructure and operational processes across multiple business-critical environments;
• Improving reliability, observability, incident management, and release safety in a regulated fintech environment;
• Clarifying ownership boundaries between infrastructure, support, and adjacent business/technical functions;
• Driving operational efficiency through automation, process redesign, and reduction of manual work;
• Supporting AI and agentic-first transformation across workflows, SDLC, and internal IT processes;

Key Responsibilities:

• Lead DevOps, SRE, DBA, and Technical Support teams across the organization;
• Define and execute IT strategy in line with business priorities and operational risk profile;
• Oversee infrastructure, architecture, reliability, disaster recovery, and business continuity;
• Improve incident response, monitoring, observability, and operational governance;
• Standardize release, delivery, and infrastructure management processes across teams;
• Drive infrastructure modernization and remove operational bottlenecks in legacy-heavy environments;
• Support the introduction of AI- and agent-driven workflows to improve engineering efficiency and reduce manual operational load;
• Partner directly with executive leadership on operational efficiency, scalability, and organizational change.

Big blockchain company with strict availability and fault tolerance requirements.

Achievements:

• Increased platform reliability by improving SLO from 99.5% to 99.95% within six months;
• Reduced median incidents duration from 1 hour to 24 minutes;
• Lowered SEV-1 incidents from 14 to 3 per month, implementing root-cause analysis and systematic prevention processes;
• Reduced infrastructure cost by 19% within a year;
• Organized bi-weekly knowledge-sharing and architecture alignment sessions, improving collaboration and long-term planning across the department.

Key Responsibilities:

• Quarter roadmap planning with 75%+ of resolved tasks;
• Operational Excellence: Establish, optimize, and continuously refine engineering workflows, on-call processes, and incident-response practices;
• Leadership & Team Management: Oversee task allocation, performance development, conflict resolution, and mentoring across four infrastructure teams;
• Architectural Strategy: Design scalable, high-load, and high-availability solution architectures in collaboration with engineering leadership;
• Monitoring & Observability: Lead the architectural planning and implementation of end-to-end monitoring, alerting, and SRE-driven processes;
• Automation & Tooling: Drive automation initiatives by developing scripts, pipelines, and internal tools to eliminate manual operations and reduce engineering load;
• Cross-Functional Collaboration: Align the Infrastructure roadmap with product, development, and security teams to support business goals and platform evolution.

Tech Details:

• Distributed infrastructure across six locations
• 1000 dedicated servers
• 2 environments in AWS
• 46 services

• Installation and configuration of servers and software;
• Monitoring of equipment and services (Grafana + InfluxDB + Prometheus + Telegraf, Nagios);
• Setting up tools for monitoring;
  • I perform migration from Nagios and Grafana + InfluxDB + Telegram to Grafana + Prometheus;
• Optimize performance, troubleshoot problems, eliminate denial of service;
• Solving problems on security and scalability of systems;
• Ansible with six different roles for servers configuration;
• Gitlab CI for deploy nginx and firewall configs;
  • I wrote Gitlab CI pipelines to run Ansible playbooks;
• ELK stack and Graylog
  • I deployed ELK + Graylog and configure it for highload system;
• PostgreSQL optimization and maintenance;
• I optimized Nginx for high-availability system and fixed problems with logs in files for highload system;

• AWS & Terraform;
• Technical consultation of the company's employees;
• Making office IT better;
• Maintenance of game servers;
• TeamCity, Jira, Confluence, GitLab, etc. - install and configure;
• PPTP, L2TP servers;
• Grafana + Prometheus - install and configure.

• Technical consultation of the company's customers;
• Linux administration for the company's customers;
• Juniper and other network equipment administration;
• Network and infrastructure monitoring.

• Monitoring of servers, network equipment and air-conditioning system (1 server room, 211 racks, ~6000 servers, ~500 units of networking equipment);
• Switching and laying optical and copper networks;
• Servers maintenance (Dell, IBM, Supermicro, etc.);
• In addition to the main work, I made front-end for the corporate time tracker system.
• I sprinkled my blood on the k-root dns (It's not a joke, I really accidentally cut the finger on the edge of the case and a drop of my blood hit the motherboard (this incident did not affect the server's functionality).