Senior Linux Administrator

Linux Administrator performing the installation, testing, operation, troubleshooting, and maintenance of virtual servers and associated operating systems.

Responsibilities

• Building, configuring, sustaining, and patching servers

• Configuring servers in accordance with DoD security requirements, specifically DISA STIGs

• Supporting system architecture design and implementation efforts

• Assisting in sustainment of VMs running hosted applications using VMWare vCenter

• Managing system resources including performance, memory/CPU, and connectivity to other servers and applications

• Developing and documenting system administration standard operating procedures

• Resolving significant hardware/software interface and interoperability problems

• Ensuring the rigorous application of information security/information assurance policies, principles, and practices

• Administering and troubleshooting user account management to services running on managed Linux servers

Requirements

• 10+ years of hands-on experience as a Linux server administrator

• Experience with system design/development, networking, cloud computing, and Citrix product suite are a plus

• Possess a high school diploma or GED

• Installation, configuration, maintenance and troubleshooting of Linux based systems

• Experience maintaining compliance of Linux based systems using DISA STIGs

• Knowledge of virtualization concepts and tools

• Experience with chassis/blade/storage system hardware configuration, maintenance and troubleshooting is a plus

• Understanding of essential network services such as DNS, SMTP, NTP, IMAP, and SNMP

• DoD 8570 IAT Level II Certification

• Red Hat Certified System Administrator (RHCSA) or comparable certification required

• Secret Clearance

Preferred

• Experience with shell scripting, Perl, Python

• Experience with the Puppet Labs or SaltStack configuration management system

• Experience with kick starting RHEL installs

• Experience with NetApp storage arrays

• Knowledge of syslog collection and familiarization with Splunk search language

• Familiarity with Splunk architecture and best practices

• Familiarity with installing and troubleshooting ACAS backend

• Familiarity with Confluence, Jira, and Service Now

• Experience working in classified environments

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status