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Sergey A.
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Sergey A.

System Administrator/DevOps Engineer (Linux/Unix)

$27.78/hr

Saint-Petersburg, Russia

System administrator/DevOps engineer. 8+ years of experience. RHCE certified. Area ... moreof expertise: web-servers, mail-servers, VPN-servers, databases, Internet-gateways, virtualization, application deployment, etc. OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD Web: Apache, Nginx, Squid Network: DHCPd, OpenVPN DNS: Unbound, Bind, Dnsmasq Directory: OpenLDAP Firewall: PF, IPtables Mail: Postfix, Dovecot Fileserver: Samba, Pure-fptd, Vsftpd Configuration management: Puppet, Salt, Ansible Clustering: Heartbeat, Pacemaker/Corosync, LVS (ldirecord) Monitoring: Zabbix Version control: Subversion, Git Databases: MySQL, PostgreSQL, Pgpool2 Virtualization: KVM, OpenStack, Docker AMQP: RabbitMQ Code Build/Deploy: Jenkins Cloud services: AWS: EC2, S3, RDS, Elastic File System, Route53 CloudFlare Programming languages: Shell/Bash; Basic knowledge Perl, PHP, Ruby, Python, SQL Package creation/maintenance: RPM, DEB less

Overview

System administrator/DevOps engineer. 8+ years of experience. RHCE certified. Area of expertise: web-servers, mail-servers, VPN-servers, databases, Internet-gateways, virtualization, application deployment, etc. OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD Web: Apache, Nginx, Squid Network: DHCPd, OpenVPN DNS: Unbound, Bind, Dnsmasq Directory: OpenLDAP Firewall: PF, IPtables Mail: Postfix, Dovecot Fileserver: Samba, Pure-fptd, Vsftpd Configuration management: Puppet, Salt, Ansible Clustering: Heartbeat, Pacemaker/Corosync, LVS (ldirecord) Monitoring: Zabbix Version control: Subversion, Git Databases: MySQL, PostgreSQL, Pgpool2 Virtualization: KVM, OpenStack, Docker AMQP: RabbitMQ Code Build/Deploy: Jenkins Cloud services: AWS: EC2, S3, RDS, Elastic File System, Route53 CloudFlare Programming languages: Shell/Bash; Basic knowledge Perl, PHP, Ruby, Python, SQL Package creation/maintenance: RPM, DEB

Sergey A.
Drop Here

Sergey A.

$27.78 /hr

System Administrator/DevOps Engineer (Linux/Unix)

Saint-Petersburg, Russia

Overview

System administrator/DevOps engineer. 8+ years of experience. RHCE certified. Area of expertise: web-servers, mail-servers, VPN-servers, databases, Internet-gateways, virtualization, application deployment, etc. OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD Web: Apache, Nginx, Squid Network: DHCPd, OpenVPN DNS: Unbound, Bind, Dnsmasq Directory: OpenLDAP Firewall: PF, IPtables Mail: Postfix, Dovecot Fileserver: Samba, Pure-fptd, Vsftpd Configuration management: Puppet, Salt, Ansible Clustering: Heartbeat, Pacemaker/Corosync, LVS (ldirecord) Monitoring: Zabbix Version control: Subversion, Git Databases: MySQL, PostgreSQL, Pgpool2 Virtualization: KVM, OpenStack, Docker AMQP: RabbitMQ Code Build/Deploy: Jenkins Cloud services: AWS: EC2, S3, RDS, Elastic File System, Route53 CloudFlare Programming languages: Shell/Bash; Basic knowledge Perl, PHP, Ruby, Python, ... moreSQL Package creation/maintenance: RPM, DEB less

Work History and Feedback

  • Linux Admin

    Jan 2016 - Present
    Job in progress

    37 hours

    $25.00 / hr
    $933.34 earned

  • URGENT: Bind Help

    Jul 2016
    5.00
    Sergey is a great guy. Quick to respond, good fluent English and most importantly he showed a high degree of expertise. Will certainly hire again in the future.
    $50.00 earned
    Fixed Price

  • Perform Complete Backup of Web Application and Database running AWS

    Jun 2016
    5.00
    Excellent communication! Work completed on time. Highly recommended!
    $50.00 earned
    Fixed Price

  • CENTOS7 - KVM - LIBVIRT Network issues

    Jun 2016
    5.00
    He was a life saver!!! He Re configured the cloud network in record time!
    $150.00 earned
    Fixed Price

  • Fix linux server from rescue mode

    Jan 2016
    5.00
    Good freelancer, very professional, he had fixed my linux server with grub boot bug very quickly.

    1 hour

    $27.78 / hr
    $72.78 earned

  • Need Unix sysadmin to rebuild array after disk replacement

    Sep 2015
    5.00
    Incredibly competent, easy to communicate with and very professional. Best elance person I've ever worked with.

    1 hour

    $32.88 / hr
    $32.88 earned

  • Configure Postfix on CentOS 6.4 witn IP Rotation ASAP

    Jun 2013 - Jul 2013
    No feedback given
    $109.59 earned
    Fixed Price

  • install linux package

    Jun 2013
    5.00
    started work instantly and fixed a difficult problem
    $47.40 earned
    Fixed Price

  • Linux Server - make my IP's pingable

    Jun 2013
    5.00
    Very knowledgeable on the Linux server - he fixed my problem very quickly - I am very happy with his services - was available in my time zone - I will defintely use him for future Linux server work.
    $27.40 earned
    Fixed Price

  • Need someone to install mcrypt/PDO extension and mbstring extension

    Jun 2013
    5.00
    This guy is a linux guru. Job fixed in minutes with 0 downtime :) Thanks alot!
    $20.00 earned
    Fixed Price

  • Postfix SMTP/IMAP Setup, Configuration, Replication

    Jun 2013
    5.00
    Contractor gave excellent advice

    2 hours

    $27.78 / hr
    $55.56 earned

  • View More (8)

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Tests

NameScore (out of 5)Time to Complete
Unix Test4.00Top 20%20 mins
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What's the difference?

92% Job Success
Top Rated
Work History
691 hours worked
29 jobs
Availability
Available
More than 30 hrs/week
24 hrs response time
Profile Link
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