Oleksandr, Lead DevOps Engineer
Summary
- 15+ years of professional experience
- Infrastructure planning and implementation.
- Planning and setting up the environment and performing migration of an application multisite the environment into AWS EC2 cluster with a load balancer
- Managing autoscaling and AMI-separating applications with shared network storage.
- Upper-intermediate English
- Available ASAP
B2 (Upper-Intermediate) English
Senior (5-10 years)
Ukraine
UTC+02:00
Main Skills
PHP Libraries and Tools
Rust Frameworks
.NET Platform
Databases & Management Systems / ORM
Cloud Platforms, Services & Computing
Amazon Web Services
Deployment, CI/CD & Administration
Web/App Servers, Middleware
Third Party Tools / IDEs / SDK / Services
Scripting and Command Line Interfaces
Mail / Network Protocols / Data transfer
Version Control
Operating Systems
Virtualization, Containers and Orchestration
Hosting, Control Panels
Logging and Monitoring
Other Technical Skills
Projects
Systems Architect, Systems Engineer, ASBC
Responsibilities:
- Requirements analyzing.
- Infrastructure planning and implementation.
- Legacy code hell problem-solving.
- Team coordination.
- Operations;
- Support;
- Maintenance;
- ITSM(BMC REMEDY) support;
- Automatization of deployment process on GitLab CI;
- Testing (UI/API);
- Leading and mentoring the Ops Team.
Technologies: Java (Java EE, JDBC, Maven, Ant), SQL (Oracle, PostgreSQL, MySQL), Git, Jira, Confluence, Web server: Apache HTTP. Application server: GlassFish. MQSeries. Testing frameworks (Cucumber, JUnit). Build and deployment scripting. Documentation and project management tools. CI/CD, Pipelines
Systems Architect, Systems Engineer, B2B trading platform (HA infrastructure planning and implementation)
Responsibilities:
- Requirements analyzing.
- Infrastructure planning and implementation.
- Legacy code hell problem-solving.
- Team coordination.
Technologies: Ansible, Perl/Bash scripting, MySQL cluster, Java.
Systems Architect, Systems Engineer, Trading platform (infrastructure planning and implementation and support)
Responsibilities:
- Requirements analyzing.
- Infrastructure planning and implementation.
- Commissioning works.
- Team coordination.
Technologies: AWS, Ansible, Jenkins, Terraform.
Systems Architect, Systems Engineer, Infrastructure planning and implementation
Responsibilities:
- Requirements analyzing.
- Infrastructure planning and implementation.
- Commissioning works.
- Team coordination.
Technologies: XEN/KVM, Fuel, Openstack, Mellanox InfiniBand
DevOps Engineer, Workflow automation
Responsibilities:
- cPanel plugin for custom Private Tomcat System to integrate it with panels to simplify required actions for end users.
Technologies: PHP, JavaScript, cPanel, Apache, ModJK, Tomcat, Ansible for automation.
Role: DevOps Engineer.
DevOps Engineer, Setup HA cluster at Amazon AWS
Responsibilities:
- Plan, set up the environment and perform migration of an existing complicated application multisite
the environment into AWS EC2 cluster with load balancer, autoscaling and AMI-separated application with shared network storage.
Technologies: AWS EC2, AWS EFS, AWS CloudWatch, AWS Autoscaling, Bitbucket, Nginx, php-fpm, Ansible, AWS user-data scripts.
Network Architect, Shared Hosting Provider (Enterprise network infrastructure planning and implementation)
Responsibilities:
- Requirements analyzing, infrastructure planning and implementation.
Technologies: Cisco switches, FreeBSD, dual home BGP, ARIN network resources
System Administrator / Expert Administrator / DevOps Engineer, Hosting company (Infrastructure and end-user support)
Responsibilities:
- Monitoring and troubleshooting for existing servers.
- Configuration of new servers.
- Data migration.
- Security audit.
- Detection and prevention of malicious activity.
Technologies: XenServer, iSCSI, Linux (CentOS 5-7), Windows Server(2k8-2k12), Ansible, Cpanel,
Parallels Plesk panel, Apache, IIS, Nginx, PHP-FPM, ColdFusion, MySQL, MS SQL, PostgreSQL, Tomcat, Config Server Firewall (CSF), Spacewalk
C Developer, Remote Support Company (Security extension development).
Responsibilities:
- PHP extension development for active security audit on shared hosting servers under the company’s service.
Technologies: C, make utils, PHP Zend API.
System Administrator, Lead Consultant, National education management information system (HA and high load infrastructure implementation and support)
Responsibilities:
- Planning and setting up scalable HA cluster for PHP applications with MySQL cluster backend.
- Consultations for developers for application refactoring to fit high loads and implement HA.
Technologies: iptables, MySQL Cluster+mysqlnd, HAproxy, CARP.
Network Architect, System Administrator, Small Internet Service and VoIP Provider (Enterprise network infrastructure planning and implementation).
Responsibilities:
- Network infrastructure implementation.
- CRM system implementation.
- Asterisk chan_sip module refactoring for RADIUS AAA.
- HA mail service.
Technologies: Cisco switches, Cisco AS, asterisk PBX, FreeBSD, dual home BGP, RIPE network resources, RADIUS, C, SVN, postfix, dovecot.
.NET developer, Engineering Plant (Application development for resource planning department).
Responsibilities:
- Application development for automatic product price calculation based on Autocad blueprints.
Technologies: Microsoft Visual Studio, SVN, AutoCAD, AutoCAD .NET API.
Education
Kharkiv National University of Radioelectronics
Computer Science Degree