Sr. Linux Systems Administrator and Sr. Linux Architect

Linux, CentOs, Unix, Administrator, Architect, Puppet, AWS or Google Compute or DevOps or Cloud
Full Time, Full Time/Permanent
$140-170K + Bonus
Telecommuting not available Travel not required

Job Description

This is an excellent opportunity to either expand upon or become exposed to, research, design, deploy and support the latest cutting edge technologies to include AWS and Google Compute DevOps and Cloud.

Relocation assistance available

Telecommuting 1-2 days/week permitted

 

A publicly traded international company is looking for a Sr. Linux Systems Administrator and a Sr. Linux Systems Architect. The company has been in business for 12+ years, is public, earns $30+ million in net income, has cash reserves, is NOT VC funded, is cash flow positive, has 2400+ international employees and has over 100 million active global users. The company develops extremely high volume online and interactive web based products.

The Sr. Linux System Administrator and Sr. Linux Systems Architect will be responsible for the redesign, build out and implementation of the company’s high volume HA Internet based Linux serving platform infrastructure based on cutting edge technologies. The company is in the process of redesigning and building out a new infrastructure for increased performance, reliability and scalability as a result of increased traffic and release of new products. The Sr. Linux System Administrator/Architect will be supporting 3000+ CentOS v7.x Linux Servers in 3 global data centers in a High Availability, High Internet Volume 24x7x365 environment serving millions of concurrent users. The candidate will need to demonstrate and prove (via resume and then interview) their experience with large, high volume, Internet, Linux System infrastructures. As part of a team, the Sr. Linux System Administrator/Architect supports all Production, Development and QA CentOS servers. Each Sr. Linux System Administrator/Architect has direct responsibility for working with and supporting 1-3 PHP and/or Java development teams, to architect systems solutions for new and existing projects/products. The Sr. Linux System Administrator/Architect will assist in the continued roll out of AWS and Google Compute for Cloud and DevOps (experience with Cloud and DevOps is not mandatory; only a plus. Sr. Linux System Administrator/Architect will have opportunity to become intimately involved in the build out and management of AWS Cloud DevOps environments). The Sr. Linux System Administrator/Architect will be responsible for the complete configuration, support and management of Puppet for CM, CI and CD. The Sr. Linux System Administrator/Architect will be responsible for hardware specification for capacity planning, scalability and growth. The Sr. Linux System Administrator will be responsible for existing and new product/systems deployments, system installations and configuration in preparation for system launch, AMD/Intel processors, CentOS Linux O/S, ongoing maintenance of system hardware, configuration and security. The Sr. Linux System Administrator/Architect will be responsible for Linux server performance tuning and optimization. More specifically, the Sr. Linux System Administrator will monitor system activity and tune system parameters and configurations to optimize performance; monitor disk space and control usage and implement migration path to upgrade software and servers, support rapid development and deployment projects, build and deploy automated tools and systems using configuration management tools and custom Python (or Perl, PHP, Ruby) scripts, AWS DevOps, optimization of CDN’s, use methodical troubleshooting skills to resolve complex issues, create new scripts (PHP, Python, Ruby or Perl) to automate various processes and have full responsibility for web systems monitoring and tuning/configuring for high availability and performance. The Sr. Linux System Administrator/Architect will also support mission critical MySQL and NoSQL (MongoDB and Redis) databases.

This is an excellent opportunity to either expand upon or become exposed to, research, design, deploy and support the latest cutting edge technologies to include AWS and Google Compute DevOps and Cloud.

The company is running 3000+ CentOS v 7.x Linux servers in 3 global datacenters running primarily Nginx (and some Apache) web servers supporting web services (memcache and Varnish HTTP Accelerators) and Tomcat/JBoss Application Servers and MySQL and NoSQL (MongoDB and Redis) database servers. The servers are supporting LAMP (PHP and Python) and Java environments. The web server environment is handling millions hits/day in a very high volume environment supporting 1+MM concurrent users and several online interactive sites, HA 24x7x365 internet environment. The company utilizes Python, PHP, Perl and Shell scripts for automation, GIT for Source Control, Jenkins for CI, Puppet for CM, Nagios and Check_MK for monitoring and performance tuning and BigIP LTM, Squid and Varnish for load balancing. The company is currently running VMWare for virtualization and integrating Citrix Xen.

The Sr. Linux System Administrator/Architect reports to the Director of Infrastructure.

 

The company offers matching 401K, full benefits (PPO & HMO) including medical, dental and vision, paid vacation and paid holidays, Short and Long Term Disability, Life Insurance, Employee Assistance Program, fitness reimbursement program, free onsite gym, free espressos and snacks, casual dress, paid parking (or public transportation subsidization) and flexible work hours that all start upon employment.

REQUIREMENTS:

Must have 5-10+ years of recent Linux system administration experience (preferably in a high volume, high availability, mission-critical 24x7x365, n-tier web serving Linux environment). To be considered: this experience needs to be detailed per project/employer on your resume.

Shell scripting experience

Must have solid experience with Apache and/or Nginx web servers

Experience building, configuring, and deploying, troubleshooting and tuning Linux based web server farms

Excellent ability to utilize methodologies and processes to troubleshoot various kinds of problems (network, hardware and operating system related problems)

Experience utilizing a monitoring tool (i.e. Nagios, Sensu, Graphite, Zabbix, Check_MK, OpenNMS, Zenoss, NetXMS, Hyperic Cacti, Ganglia, Riemann, Lostash,xymon, Hobbit, Icinga, Gomez, IBM Tivoli, HP Openview, SiteScope and/or Network Node Manager)

 

The following are a Plus only; (NOT mandatory):

 

Puppet for Configuration Management/CI/CD (Puppet Masters, Puppet Agents, Certificate Manager, Manifests, Facter, etc.)

MySQL

NoSQL (MongoDB, Cassandra, Redis, etc.)

Python/PHP/Perl/Ruby scripting experience for automation and/or performance tuning

Any Lead experience is a plus

Experience supporting LAMP stacks and/or Java development environments

GIT for Source Control

Any DevOps: AWS, Google Compute, Puppet, Spacewalk, Cobbler, Splunk, ServiceNow, SaltStack, Ansible, GuardRail, Atlas and/or Chef (AWS: CloudFormation, EC2: Elastic Load Balancing (ELB) and Launch Configurations AWS RDS (Relations Database Service), Lambda and API Gateway and/or CloudWatch (alerts and logs etc)

Any experience managing a cloud computing environment (AWS/EC2, Google Compute, Azure, OpenStack, GAE, Rackspace, Terremark etc)

Any Load balancing (i.e. BigIP LTM, Squid, F5, etc)

Any experience in a CDN environment

BS and/or MS in Computer Science or a related degree

Posted By

Al Karaptian

Hermosa Beach, CA, 90254

Dice Id : equest
Position Id : 400
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