Engineering Manager, Managed Services

• Oct 2022 - Present

Systems Architect

• Apr 2022 - Oct 2022

ML Ops consultant

• Sep 2021 - Apr 2022

Helped startups to configure image processing and training / inference pipelines (ansible, jenkins, docker, pytorch, albumentations) on on-premise hardware and in public clouds (GCE, Yandex Cloud). Completed 11 Kaggle competitions, won 5 medals (all solo), got into top-1000 rankings. Helped startups to configure image processing and training / inference pipelines (ansible, jenkins, docker, pytorch, albumentations) on on-premise hardware and in public clouds (GCE, Yandex Cloud). Completed 11 Kaggle competitions, won 5 medals (all solo), got into top-1000 rankings.

Head of Operations

• Jul 2019 - Mar 2021

Responsible for all aspects of technical operations for Tango live streaming video platform (millions of active users, iOS/Android mobile applications + web site): 1. Site reliability / production support - managed operation of 24/7 available production environment deployed in Google Cloud, organized on-call duty, incident response and postmortem activities. Achieved 100% uptime for 6 months, 99.93% total availability rate. 2. Engineering support and deployments - managed lifecycle of staging environments for development and QA teams, organized deployment of application builds to production env and app stores. 3. Cost control - managed and optimized Tango cloud spend, achieved ~30% cost reduction by optimizing the technology (autoscaling), using commitments and preemptible resources, decommission of unused workloads. 4. Managed relationships with technology vendors (Google, CloudFlare, Azure, Digital Ocean, TheHive) - negotiated better deals / discounts, reimbursements for incidents / undelivered services, getting early access to new services. 5. Got rid of legacy systems - migrated source code from svn to GitLab, static applications to autoscaling, VM deployments to Kubernetes, etc. 6. IT - managed corporate software (G-Suite, AD, Jira, etc) and employees equipment, office internet. Show less

Sr Manager, Cloud Operations

• Jun 2017 - Jul 2019

Supervised teams responsible for provisioning and maintenance of globally distributed virtualized infrastructure of RingCentral telephony and communications service with availability rate over 99.99% (12 datacenters, >1500 hosts, >20000 VMs, 13 engineers): 1. Managed RingCentral hybrid cloud infrastructure (private - Cisco UCS / NetApp / Juniper / VMware, public - AWS, GCP) - planning and delivering new infrastructure buildouts, maintenance and expansion of existing production and lab environments, cost optimization. 2. Automated deployments of bare-metal servers, virtual machines and containers (vRealize Orchestrator, Puppet, MAAS, Marathon, Kubernetes). 3. Organized on-call duty and incident resolution, make sure root causes of incidents are identified and addressed. 4. Supported internal DCIM and CMDB systems, automating lifecycle of physical and virtual infrastructure assets. 5. Coordinated of cross-team projects related to high-availability, security and control of usage of licensed software. Show less

Engineering Manager, Infra & Maintenance

• Aug 2016 - Jun 2017

As engineering manager I supervised Mirantis OpenStack product infrastructure, CI and maintenance groups (up to 18 engineers, up to 400 servers) responsible for:1. Operating and improving internal product development infrastructure services - version control and review system (Gerrit), CI/CD (Jenkins, Docker), monitoring (Zabbix), public package repositories and mirrors (deb, rpm), custom product builds and product integration testing - more than 20 services.2. Maintaining already released versions of Mirantis OpenStack by publishing maintenance updates and deploying the updates to customer deployments.3. Also as technical release manager I coordinated development work for Mirantis OpenStack releases 7.0, 9.1, 9.2, 10.0 (entire development team - up to 150 developers and QA engineers). Show less

Maintenance Team Lead

• Jan 2015 - Aug 2016

I joined Mirantis to establish sustaining team responsible for fixing OpenStack bugs in stable product and community branches. In the next 1.5 years my team took responsibility for maintaining whole Mirantis OpenStack product, established engineering, QA and release process for regular maintenance updates:- Published more than 600 fixes for 6 versions of Mirantis OpenStack product.- Published 21 technical bulletins.- Reduced number of support calls and bug fix burden for product development department. Show less

Cloud Solutions Architect

• Jun 2014 - Dec 2014

As solutions architect I helped several Altoros customers to adopt cloud computing and increase developers' productivity by deploying CloudFoundry - rapidly growing open source cloud computing platform as a service (PaaS). Also as technical lead I was involved in integrating Canonical’s cloud orchestration tool Juju with Swiss-based IaaS provider CloudSigma.

Project Manager / Team Lead

• Jan 2011 - May 2014

I joined Altoros for the 2nd time to build long-term partnership with RightScale, leading cloud management provider. I was responsible for managing ServerTemplates development group and coordinated entire RightScale off-shore team at Altoros.

Team Lead, Cloud Solutions

• Jan 2011 - Jul 2014

I started working for RightScale as a contractor to implement POC project which was MS SQL Server ServerTemplate for AWS cloud. In the next 3.5 years this turned into complete lineage of Windows ServerTemplates capable of deploying full stack of Microsoft technologies (SQL Server, IIS, Active Directory) on major public cloud providers (AWS, Azure, RackSpace) and private cloud infrastructures (OpenStack, vSphere, CloudStack). I started working for RightScale as a contractor to implement POC project which was MS SQL Server ServerTemplate for AWS cloud. In the next 3.5 years this turned into complete lineage of Windows ServerTemplates capable of deploying full stack of Microsoft technologies (SQL Server, IIS, Active Directory) on major public cloud providers (AWS, Azure, RackSpace) and private cloud infrastructures (OpenStack, vSphere, CloudStack).

Independent Contractor

• Nov 2007 - Mar 2011

As independent contractor I performed several software development projects of different size using Java and PHP programming languages. In many cases I was also responsible for deployment, system administration and support of the projects I had built. Most notable customers were Risknowlogy (functional safety consulting company) and Inside Functional Safety magazine. As independent contractor I performed several software development projects of different size using Java and PHP programming languages. In many cases I was also responsible for deployment, system administration and support of the projects I had built. Most notable customers were Risknowlogy (functional safety consulting company) and Inside Functional Safety magazine.

Software Engineer, Project Coordinator

• Aug 2005 - Nov 2007

As software engineer and project coordinator I completed several projects, the most notable of which were: 1. I built off-shore engineering team for Banta Corporation (later acquired by R.R. Donnelley) of 4 developers and 2 QA engineers. As subcontractors, we were responsible for development and maintenance of HP DesignJet Online and HP 2000 web portals (hosted as subdomains of hp.com website). Technologies used: Python, Apache, mod_python, Oracle. 2. Internal blogging and media sharing tool for Sony Design Center (Los Angeles, CA). That was "early" Web 2.0 website featuring dynamic page loading and based on custom Java framework. Technologies used: Java, JSP, Tomcat, JSON. Show less

Independent Contractor

• Apr 2005 - Aug 2005

Software Engineer

• Aug 2004 - Apr 2005

Software Engineer

• Nov 2003 - Aug 2004

Researcher, Software Engineer

• Jul 2001 - Nov 2003