The Lead Enterprise Linux administrator will be responsible for designing, implementing, and monitoring the infrastructure; also, to collaborate with other team members to develop automation strategies and deployment processes. You will become an integral part of the team, making every problem of the platform a problem of your own, and solving them accordingly.
ESSENTIAL DUTIES AND RESPONSIBILITIES
- Daily maintenance of our Linux environment, which includes additional server builds, upgrades, and patching.
- Performance tuning and ensuring high availability of infrastructure.
- Design and develop infrastructure monitoring and reporting tools.
- Develop and maintain configuration management solutions.
- Develop test automation frameworks in collaboration with rest of the team.
- Create tools to help teams make the most out of the available infrastructure.
- Perform other job-related duties as assigned.
REQUIRED SKILLS AND ABILITIES
- Experience with Linux server builds, maintenance, administration, and patching.
- Experience with Linux servers in virtualized and Cloud environments
- Experience with AWS and Linux web servers
- Experience installing, configuring, and maintaining services such as Bind, Apache, MySQL.
- Installation, configuration, and maintenance of m Let's Encrypt management.
- Creation and maintenance of Ansible scripts for automation.
- Experience with installation, configuration, and maintenance of the DNS service, on premise and AWS R53.
- Proficient with network tools such as iptables, Linux IPVS, HAProxy, etc.
- Administration and maintenance of HAProxy configurations.
- Maintenance and monitoring of FTP (SFTP) services.
- Installation, configuration, and maintenance of multiple Postfix Smarthost email servers.
- Maintenance, configuration, and monitoring of CRM (Customer Relationship Management) application.
- Maintenance of cloud-hosted status sites on Linode.
- Monitoring and maintenance of scheduled cron jobs.
- Familiarity with the fundamentals of Linux scripting languages
- Strong grasp on configuration management tools
- Familiarity with load balancing, firewalls
- Familiarity with infrastructure monitoring tools such as ELK, Zabbix, ELMA, Prometheus, Grafana.
- Ability to build and monitor services on production servers
- Knowledge of servers and switches
- Excellent written and verbal communication skills
- Strong attention to detail and problem solving skills
- Able to work independently or as a member of the team.
- Creative thinking and ability to ‘think outside the box’
- Well organized, attentive to details, and able to meet demanding deadlines
KNOWLEDGE, EXPERIENCE AND/OR EDUCATION
- 7+ years as a Linux Systems Administrator
- Experience with Apache, Litespeed, CentOS, Ubuntu, Cacti, DNS, hosted services, MySQL, R1soft, WordPress, cPanel, ELK, Zabbix, Ansible, HA Proxy
- Background in IT or on a Data Center teams
- System Monitoring and Automation
- Good knowledge of network design – Working with Firewalls, DNS, Load Balancers
- Strong sense for security – both internally and on the hosting systems
- Advanced Linux System Administration, Configuration, and System Security
- Advanced systems troubleshooting skills
- Prefer some programming experience (particularly Perl, PHP, HTML, MySQL)
- Prior experience in software as service architectures (SaaS)
OTHER REQUIREMENTS
- Strong preference to Houston area because of the Datacenter location.
- Participate in the on-call rotation.
Empyrean is an Equal Opportunity Employer: including disability and veterans