Pavel Selivanov, DevOps/SysOps.
Blog: selivan.github.io
Github:
selivan
Summary
I am not looking for a new job now.
I like to create reliable well-automated systems, that require minimal manual maintenance. I prefer Linux technology stack, but I can wotk with Windows as well. I am passionate about Open Source.
Contacts
Voronezh, Russia. Relocation is possible.
Mail: selivan.at.github@gmail.com
Linkedin: pavel-selivanov
Languages
- English
- Russian - native speaker
Skills
Strong skills. I am good at this right now.
| Operating Systems | Linux |
| Web Server/Balancer | nginx, haproxy |
| Web Application Firewall(WAF) | Naxsi |
| VCS | git |
| Scripting/Programming | bash, python |
| Configuration management | Ansible |
| SQL DB | MySQL, Percona XtraDB Cluster |
| In-memory storage | Redis |
| Monitoring | Zabbix, Elastic Stack(ELK) |
| Cloud services | AWS |
| Log shipping and analysis | Elastic Stack(Elasticsearch, Logstash, Kibana), rsyslog |
| Security | Developing and maintaining PCI DSS Level 1 complaint infrastructure |
| HIDS | OSSEC, Wazuh |
| VPN | OpenVPN |
| Basic networking | static routing, VLANs, Firewalls: iptables |
| Virtualization, cintainers | LXC/LXD, Docker |
| CI/CD | Gitlab |
Optional skills. To use this I need to refresh my memory.
Things I used to work with some time ago.
| Virtualization | VMWare Server, VMWare ESXi,KVM/libvirt(Proxmox) |
| Operating Systems | Windows: Installation, configuration, maintenance of workstations(2000, XP, Windows 7) |
| Operating Systems | Windows: Installation, configuration, maintenance of Windows Server(2003, 2008r2). Terminal services. |
| Operating Systems | Windows: Active Directory: Group Polices, CIFS, WSUS |
| Operating Systems | FreeBSD |
| Hardware | Linux Software RAID(mdadm), “fake” RAID(dmraid) |
| Network equipment | CISCO, HP ProCurve, Mikrotik |
| Miscelanneous Unix services | FTP(vsftpd), HTTP(Apache2), logrotate, HTTP Proxy(squid+lightsquid), fail2ban, Mail(postfix). |
| VCS | svn |
| VPN | PPTP, L2TP, ipsec |
| NIDS | Suricata |
| SQL | PostgreSQL |
| Applications Server | Tomcat |
| NoSQL | MongoDB |
| Message broker | RabbitMQ |
| Distributed coordination system | Apache Zookeeper |
| Log shipping and analysis | Graylog(Elasticsearch-based solution) |
| Programming | C, PHP |
| Backup | Bacula |
Communication skills
- Team player
- Experience in working by Agile methodology SCRUM
Expirience
- 2019 - now: kassa.com(web payment integrator and other financial instruments for business)
Senior DevOps Engeneer:- Cloud-based infrastructure
- Support and develop infrastructure compliant to PCI DSS(Payment Card Industry Data Security Standard) Level 1
- Support and develop infrastructure for development, testing and deploy cycles for web applications
- 2017 - 2019: Freelance
- 2015 - 2017: s.r.o. Unitpay(web payment integrator)
Senior System Engeneer:- Development and support of AWS-based infrastructure certified for PCI DSS(Payment Card Industry Data Security Standard) Compliance Level 1
- Securing web application processing sensitive financial information
- Support of development and deploy cycle for rapidly developing web application
- 2014 - 2015: Yandex (search engine, advertizing, “russian google”,)
Engineer in operations department of Yandex.Direct- Support and development of infrastructure for Yandex.Direct high load web services
- Signed very strict NDA, forbiding me to provide any more details
- 2013 - 2014: Zapadny bank(Bank. The company is closed now)
Leading specialist in department of banking telecommunication systems:- Support and development of infrastructure for multiple branch offices
- Deploy of central software configuration system Ansible (example: github.com/selivan/ansible_ipmi_lan_manage)
- Development of Linux-based thin client build with extended functionality(open source part here: github.com/selivan/thinclient)
- Upgrade of system for automatic installation and configuration of servers for new branch offices
- Administration of internal services(ticket system OTRS, wiki, jabber)
- Assigning tasks to technical support engineers and monitoring their performance
- 2011 - 2013: Ircos (developer of radiofrequency monitoring hardware and software)
Engineer-programmer:- Almost all job duties from “Radix-Tools”, because it entirely became new “Ircos” department, staying in the same office.
- Participated in development and support of distributed radio-monitoring system. Heterogeneous infrastructure: Linux, Windows, Mikrotik, HP. This system was working at 2013 Summer Universiade.
- 2012 - 2013: additional job: Voronezh State University, teacher. Unofficial job, I was replacing official teacher.
- Course “Operating System GNU/Linux Introduction”. Learning materials: github.com/selivan/gnu_linux_intro
- Course “Administration of information systems”, actually extension of previous course and networking basics. Learning materials: github.com/selivan/gnu_linux_intro Video of lectures: youtube
- 2009 - 2011: Radix-Tools (software development company)
Engineer-programmer:- Administration of network and servers: Linux(Debian, Fedora), Windows 2003
- Proxy, firewall, VPN
- Collaboration services: wiki, bug tracker, task tracker, VCS(svn, mercurial), jabber, mail
- Configuration and support of monitoring system(Zabbix) and backup system(Bacula)
- Purchase and repair of computers and office equipment
- 2008 - 2009: BITS (system integrator and technical support)
Support engineer:- Administration of Linux servers(basically Suse), Windows 2003
- Maintenance of Windows(2000, XP) workstations: network, office programs, bank clients, printers/scanners
- Maintenance of the physical LAN structure
Certifications
- CISCO CCNA(passed the exam in June 2014, valid until July 2017). Verification Number: 418424169331DNCH. Check URL: www.ciscocertificates.com/verify.cfm
- Microsoft Certifications:
- 270 Installing, Configuring, and Administering Microsoft® Windows® XP Professional
- 290 Managing and Maintaining a Microsoft Windows Server 2003 Environment Check URL: mcp.microsoft.com/authenticate/validatemcp.aspx, Transcript ID 858475, Access Code selivan86
Education
- University degree 2003-2009
University: Voronezh State University
Faculty: Mathematical
Department: Department of algebra and topological methods of analysis
Qualification: Specialist(intermediate degree between bachelor and master)
Specialty: Mathematician - Additional degree 2007-2009
University: Voronezh State University
Qualification: Systems engineer(specialist on operations of hardware-software complexes of Computers and Networks).