Sr. Linux Systems Admin (Austin or Houston, TX)
Sr. Linux Systems Admin
Austin or Houston, TX
Our client is a Software-as-a-Service (SaaS) solutions company, providing secure electronic payments to their customers. A Sr. Linux Systems Admin with the experience and ability to oversee high-volume transaction processing and production operations is needed for a 24/7-availability position in Austin or Houston.
RESPONSIBILITIES
- Control transaction processing:
- Maintaining, operating, configuring, tuning and securing standard/custom apps
- Manage all critical infrastructure operations on a daily basis
- Monitor Alerting Systems (Splunk, Nagios)
- Analyze (ensure peak performance):
- environment capacity, performance, and sustainability
- Resolve problems:
- External Vendors and Internal Departments
- Test Disaster Recovery Plan and Business Continuity Plan
REQUIRED EXPERIENCE
- 24/7 on-call availability + after-hours (flexible hours are possible)
- Linux/RedHat installation (7+ years)
- Load Balancers: Citrix NetScaler, etc. (7+years)
- VB, Shell scripting, PowerShell (7+ years)
- Log Aggregator: Splunk/Nagios advanced administration/configuration (5+years)
- RHEL versions 5 and 6, Apache, OpenSSL
- Document in Software-as-a-Service (SaaS): high-traffic transactions/operations
- Create: diagrams, processes, and procedures
- Scripting Automation
- VMware ESX 4 and 5
- Storage technologies (HP P4000) and blade chassis (HP C7000)
PREFERRED EXPERIENCE
- Network/Applications monitoring tools (7+ years)
- Networking/OS level security:
- NIST, CIS, NSA, etc.
- security events
- Postgres DB, heartbeat, drbd database setup
- Previous financial environment
- Building apps, dashboards and reports
- Customizing Scripts
- Analytics/troubleshooting
- Windows 2008 / 2003 System Administration
- Supporting Active Directory, IIS, and mixed Linux/Windows environment
- Familiarity with Virtualization Technologies