Experience

Constructor

• United States
• Software Development
• 100 - 200 Employee

• Senior DevOps Engineer

  • Feb 2022 - Present

  AWS, CloudFormation, Terraform, Ansible, Jenkins, Deploy to ECS/EC2 etc. AWS, CloudFormation, Terraform, Ansible, Jenkins, Deploy to ECS/EC2 etc.



Coins.ph

• Philippines
• Financial Services
• 200 - 300 Employee

• Senior DevOps Engineer

  • May 2017 - Dec 2022

  Scaling high-traffic distributed systems, developing fault tolerant and self-healing systems, define priorities based on system metrics, engineer extensive scripting and automation to enable applications to install and run in all environments with minimal manual intervention, Identify performance bottlenecks and troubleshoot performance issues, design and implement ideas (Architect). - Cloud: AWS (Easier to say what we don't use than provide list of AWS services) - Databases: MySQL, PostgreSQL (RDS), ES, Clickhouse, VictoriaMetrics - Linux: Ubuntu server, CentOS, Amazon Linux - Infrastructure as code: Terraform, Ansible - Containers: Kubernetes (own with EC2) and EKS, Docker - Monitoring and Logging: Prometheus, Grafana, Kibana, Logstash, Redash, Cloudwatch, custom exporters on Go - CI\CD: Slack bot, Github, Codeship, Gitlab, scripts, Helm - Other services: Kafka, Redis, Local environment for developers with Minikube, AWS Mocks - Programming: Python, Go, Bash - Providing information security (VPN, 2FA with hardware keys, Hackerone cases investigation, etc) Achievements: - Introduced Helm usage for deploying, implemented some standard library charts, external utilites, secrets storing to help developers make their charts easier, migrated hundreds apps to Helm - Infrastructure as code - 100% infrastructure resources migrated to Terraform - Bastion server (SSH jump host) with users provisioning on servers - fixes and improvements into open-source upstream, scripts, automation - On off boarding automation - roles, permissions, user accounts creation and delition in almost 20 services Show less



Startup

• DevOps Lead (remote)

  • Aug 2017 - Jun 2018

  - Administering servers (150+, Ubuntu Server, Squid, Postfix, Apache, Nginx, HAProxy, Docker, Docker Swarm, RabbitMQ, Redis, etc. Backup, VPN\SSH, Firewall (iptables\ipset), Zabbix, Graylog)- DBA: MySQL, PostgreSQL, MongoDB, ElasticSearch, Druid;- Automate the deployment of new servers and services (Ansible);- Automation of work using scripts on Bash, Python;- CI: GitLab;- NodeJS apps deploying and supporting;- Clouds: AWS, MS Azure, DigitalOcean, Google Cloud;- Team management. Show less

• DevOps (remote)

  • Mar 2017 - Aug 2017

  - Administering servers (150+, Ubuntu Server, Squid, Postfix, Apache, Nginx, HAProxy, Docker, Docker Swarm, RabbitMQ, Redis, etc. Backup, VPN\SSH, Firewall (iptables\ipset), Zabbix, Graylog)- DBA: MySQL, PostgreSQL, MongoDB, ElasticSearch, Druid;- Automate the deployment of new servers and services (Ansible);- Automation of work using scripts on Bash, Python;- CI: GitLab;- NodeJS apps deploying and supporting;- Clouds: AWS, MS Azure, DigitalOcean.



USS Group

• Казахстан

• DevOps (remote, full\part time)

  • Apr 2017 - Jun 2018

  - Administering servers (CentOS, Postfix, Apache, Nginx, HAProxy, RabbitMQ, Tomcat, etc. Backup, VPN\SSH, Firewall (iptables)) - DBA: MySQL, PostgreSQL, VoltDB; - Automate the deployment of new servers and services (Ansible); - Automation of work using scripts on Bash, Perl; - Java apps deploying and supporting; - Virtualization: VMWare vSphere, kvm, Ceph, OpenVSwitch, OpenNebula - Administering servers (CentOS, Postfix, Apache, Nginx, HAProxy, RabbitMQ, Tomcat, etc. Backup, VPN\SSH, Firewall (iptables)) - DBA: MySQL, PostgreSQL, VoltDB; - Automate the deployment of new servers and services (Ansible); - Automation of work using scripts on Bash, Perl; - Java apps deploying and supporting; - Virtualization: VMWare vSphere, kvm, Ceph, OpenVSwitch, OpenNebula



INQT Media Inc.

• Canada

• DevOps (Remote)

  • Jun 2015 - Dec 2016

  - Administering servers (100+, bonding, megaraid & mdadm, Ubuntu Server, Squid, Postfix, Apache, Nginx, HAProxy, Docker, Backup, VPN\SSH, FTP, Firewall (iptables\ipset), Nagios, Cacti) - MySQL administering (master, slave), MongoDB; - Automate the deployment of new servers and services (Chef); - Automation of work using scripts on Bash, Perl, Ruby, Python; - Wordpress websites administering; - PHP & Perl websites administering, debugging and base development; - Git and Gitolite; - DDoS\Web-bot protection, investigating and protection from websites hacking; - Google SafeBrowsing, Analytics, Webmaster Console, Dynect DNS, Cloudflare services. Show less



Luxoft

• Switzerland
• IT Services and IT Consulting
• 700 & Above Employee

• Senior specialist SL/3 Deutsche Bank

  • Jun 2014 - Jun 2015

  - Administering of applications and services (Solaris, Suse); - Software testing and implementation; - Scripts development (Perl\shell, SQL \ PL\SQL Oracle 11); - Debugging of PL\SQL source codes in Oracle 11; - VB and Java applications debugging; - Root cause analysis via logs, database and source codes, identifying the issues which can cause issue in future; - Users support; - Preparation of technical documentation - Administering of applications and services (Solaris, Suse); - Software testing and implementation; - Scripts development (Perl\shell, SQL \ PL\SQL Oracle 11); - Debugging of PL\SQL source codes in Oracle 11; - VB and Java applications debugging; - Root cause analysis via logs, database and source codes, identifying the issues which can cause issue in future; - Users support; - Preparation of technical documentation



ParmaTel

• Syktyvkar

• Head of IT Department

  • Nov 2010 - Feb 2014

  - Planning Department. Flow of documents; - Negotiating with suppliers, contracts, setting targets and monitoring their performance; - Training and supervision of work staff; - Preparation of organizational and administrative documentation, technical documentation; - Introduction of new software and equipment; - Installation, configuration and maintenance of servers: Debian\RedHat (DHCP, DNS, NAT, Squid, Samba, Postfix, Apache, MySQL, Backup, VPN\SSH, Firewall, Zabbix); Windows 2k3 Server (Oracle 9i, Billing, Terminal Server); - Virtualization VMWare vSphere (ESX 5). Organization failover (Cluster vSphere, VMWare HA, FT, vMotion); - Service billing system m2000 (administration, revision and development of reports FastReports); - Administering and programming for Oracle 9i; - Automation of work using scripts on Shell (bash) and Perl; - Software development on PHP5, JavaScript, ExtJS, jQuery (WEB site for change Billing software); - Administering network equipment D-Link\Cisco L2\L3, Cisco BGP; - Ensuring the protection of information. Achievements: - All physical servers were moved in virtual infrastructure. Implementing the project of the fault tolerance. The backup system configurations of all servers, Billing and business data; - Deployment the monitoring system, monitoring of all network equipment, servers, running services and scripts. Collecting statistics on equipment load, network usage and customers requests for optimizing; - Implementation new service for connecting customers (IPoE: VLAN-per-user, in Billing customers binding to VLAN); - Development WEB-application for easy work with Billing. Show less



ParmaTel

• Syktyvkar

• Head of Support

  • Aug 2009 - Jul 2010

  - Planning Department. Flow of documents; - Training and supervision of work, staff Qualification Supports team; - Preparation of organizational and administrative documentation, technical documentation; - Introduction of new software and equipment; - Installation, configuration and maintenance of servers: Debian\RedHat (DHCP, DNS, NAT, Squid, Samba, Postfix, Apache, MySQL, Backup, VPN\SSH, Firewall); Windows 2k3 Server (Oracle 9i, Billing, Terminal server); - Virtualization VMWare vSphere (ESX 4). Organization failover (Cluster vSphere, VMWare HA, FT, vMotion); - Service billing system m2000 (administration, revision and development of reports FastReports); - Administering Oracle Database 9i; - Ensuring the protection of information. Achievements: - The reorganization of technical support that led to a significant increase in the quality of care; - Automation subscription department. Reducing the time of discharge subscribers and addressing emerging issues; - Aligning IT infrastructure in line with the Law on Protection of Personal Data; - Development of the project to ensure resiliency of critical nodes. Show less



Plant DVP

• Emva

• Head of IT Department

  • Sep 2008 - Aug 2009

  - Planning Department. Flow of documents; - Planning and organization of purchasing products and software. The introduction of new software and equipment; - Negotiating with suppliers, contracts, setting targets and monitoring their performance; - Preparation of organizational and administrative documentation, technical documentation; - Staff Qualification; - Develop a project to upgrade the network and PC fleet; - Installation, configuration and maintenance of servers: Windows 2k3 Server (AD, DHCP, DNS, GPO, Backup, Printservers, fileserver, MS SQL Server, Terminal Server); Debian and FreeBSD (DNS, DHCP, MySQL, Postfix, Squid, firewall, VPN \ SSH, Apache); - Administration user PC (130 PC); - Administration of local and wireless networks; - Ensuring the protection of information. Achievements: - Increasing the effectiveness of the department - planning, monitoring of working time and automated typical processes; - Reduce costs to the organization in the field of IT (Internet, accessories, consumables) for improving the quality of work. Show less



IPCom

• Syktyvkar

• System Administrator

  • Sep 2007 - Sep 2008

  - Administering servers: RedHat, Debian - Job, improvement and maintenance of billing system Bill-Master (MySQL, Perl, HTML-PDF) - Administering servers: RedHat, Debian - Job, improvement and maintenance of billing system Bill-Master (MySQL, Perl, HTML-PDF)