System Administrator - Senior LeveldotPH

We're seeking an experienced systems administrator / Engineer (Linux) who's eager to use and grow his or her technological skills on a worldwide stage. In this role, the successful individual will protect our critical information, systems, and assets, build solutions, implement new software and hardware, provide training, and assist in the development of an overall IT strategy.
Requirements
Linux servers and desktops:
Centos 5, 6, 7 with virtualization using OpenVZ/Virtuozzo/KVM containers; management, deployment, securing and monitoring multiple servers spanning multiple datacenters
Ubuntu; supporting internal clients as needed
Webhosting:
Shared and dedicated environments; knowledgeable in security policies and optimization strategies for webhosting protocols (HTTP, FTP, TLS/SSL)
Webhosting software: knowledgeable with various CMS (Content Management Software like Wordpress, Joomla, Drupal, etc)
Webhosting technologies (PHP / PHP-FPM, Apache, Lighttpd, Nginx)
Mail server administration:
Postfix, Exim, Dovecot, Cyrus-IMAP, Qmail;
mail routing, mail policies, mail security, user and data management;
knowledgeable with TLS, DKIM/SPF/DMARC, Mail headers
Database server administration:
MySQL/MariaDB, PostgreSQL;
can design queries, can backup/restore, can do server replication
Scripting: BASH, Perl or Python
Networking:
TCP/IP, iptables, advanced routing and security policies,
OpenVPN setup and management,
knowledge with BGP is a plus
Monitoring servers and services:
Nagios, Zabbix, MRTG;
can design custom monitoring scripts a plus;
must be available to respond to outages/alerts remotely
Documentation and ticketing; supporting CS team for technical escalation tickets regarding client hosting concerns; documenting solutions in knowledge base (Redmine/Wiki)
G-Suite (Google) administration is a plus
DNS knowledge is a plus
Private cloud software knowledge (ex. Nextcloud/Owncloud) is a plus
Benefits
Competitive salary
Normal working hours
Free lunch
Unlimited coffee, juice, and chocolate beverages
Medical and Dental plans
Annual paid leaves
Government mandated benefits
Company-sponsored activities
Birthday Celebration
Pizza Friday
Free trips abroad for tenured employees
Workable

Makati City, Metro Manila
Permanent
Full-time