Sr. Linux System Administrator (NACS)

red hat linux, cfengine, puppet, ansible, shell programming, lamp stack admin, tomcat
Full Time
Work from home not available Travel not required

Job Description

RedLine Performance Solutions (RedLine) has been in the HPC solutions engineering services business for approximately 21 years and is consistently determined to keep the "bar of excellence" quite high for new hires.  This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention.  We offer services ranging from full life cycle HPC systems engineering to remote managed services to HPC program analysis. We are located in the Washington, DC area and are looking for a Senior Linux System Administrator to join us for our NASA NACS High Performance Computing contract. 


United States citizenship and the ability to obtain a Public Trust security clearance are mandatory requirements for this position. The position is located at the customer site at Ames Research Center in Mountain View, CA. 


The Sr. Linux Systems Administrator works on a team supporting over 100 Linux Red Hat servers and Virtual Machines at the NASA Advanced Supercomputing Facility. The systems provide Mission Assurance applications critical to NASA. Systems administration support includes building and configuring specialized servers to support applications and services, providing ongoing and after hours support for the hardware and Red Hat OS, configuring and supporting F5 networking appliances for failover services, and ensuring all systems meet security requirements.



  • BS in Computer Science, related degree or equivalent experience
  • 10 or more years of Red Hat Linux system administration experience, including installations and upgrades
  • Configuration management experience, preferably with CFEngine, Puppet and/or Ansible
  • LAMP stack administration experience
  • Shell programming experience
  • Tomcat experience
  • Experience with building and configuring hypervisors and VMs
  • Experience with certificates -- NOCA, SSL
  • Rotating after hours support (handled remotely when possible)
  • Good organization skills to balance and prioritize work, and ability to multitask
  • Good communication skills to communicate with support personnel, customer, and managers.


  • Database experience
  • F5 network appliance experience
  • PKI experience
  • Web development experience.


Dice Id : 10115922
Position Id : 6309107
Originally Posted : 2 months ago
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