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Anatolii Kostin

Developer,

Support and

Systems Engineer

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Work History

I'm a full-stack Developer and Support & Systems Engineer that loves helping teams to eliminate their pain points andimprove performance

Jul 2024 - Present

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Atlassian

Senior Cloud Migrations Support Engineer

Migrating Enterprise customers to Atlassian Cloud

Led complex Enterprise migrations, successfully moving large-scale customer environments (1k+ PEUs) from server to cloud with minimal disruption

Developed and enhanced internal migration tools (Splunk MigIt Jira & Confluence dashboards, Splunk Proactive Migrations dashboard, custom Python scripts), reducing troubleshooting time from hours to minutes and enabling global adoption by engineers across regions

Created and published technical solutions (SQL-based fixes, Python scripts, REST integrations, Splunk dashboards) resolving critical post-migration issues

Handled high-severity escalations by collaborating with Engineering, Dev, and Cloud Migrations Management teams; ensured timely resolutions for VIP customers, preventing migration rollbacks and maintaining customer satisfaction

Discovered and mitigated product bugs, escalated to Dev teams, and provided interim workarounds to unblock customers

Jul 2022 - Jun 2024

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Atlassian

Cloud Migrations Support Engineer

Migrating Enterprise customers to Atlassian Cloud

Delivered global impact through knowledge sharing: authored knowledge base articles, created SOPs, and conducted technical trainings for engineers on Splunk dashboards, Python scripting, and troubleshooting best practices

Consistently exceeded operational metrics (queue performance, quality scores, case reviews, CSAT), maintaining high performance scores across multiple quarters while balancing enterprise migrations and tool development

Recognized for customer orientation and teamwork, receiving multiple Kudos from peers, managers, and customers for ownership, clear communication, and successful problem resolution in high-stakes migration scenarios

Jan 2013 - Jun 2022

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BICS

Expert Network & System Engineer

Building proactive and reactive troubleshooting tools for Telecom services

Managed a large-scale Splunk environment (Indexer & Search Head clusters, 1,000+ forwarders) serving 400+ users; integrated with Salesforce, IBM Netcool, and other enterprise systems

Implemented Cribl Stream, reducing ingestion volumes and saving thousands in licensing costs

Built an automated Managed Service Splunk app for proactive incident detection and customer notification, significantly boosting satisfaction

Introduced DevOps-style automated Splunk deployments, enabling frequent production changes

Developed monitoring tools that cut incident discovery and resolution times, transforming support workflows to be data-first and metrics-driven

Jan 2011 - Dec 2012

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BICS

Network Engineer

Proactive network maintenance for Telecom platforms and services

Acted as primary technical contact for key customers (MTS, Rostelecom, Bakcell)

Delivered proactive network maintenance for Core elements, SMS/MMS Hubs, and Signalling systems

Created automation tools (log parsers, statistics generators) to increase operational efficiency

Jun 2007 - Dec 2010

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Vodafone

Roaming Engineer

Enabling, monitoring and troubleshooting of Roaming relations for Vodafone mobile subscribers

Managed configuration and monitoring for international roaming systems (STP, Steering of Roaming, Automated Test Platforms)

Coordinated and executed IREG testing (IR24, IR32, IR60) with global roaming partners

2025 — Anatolii Kostin