Systems Administrator

Industry: Aerospace & Defense


5 - 7 years

Posted 76 days ago

This job is no longer available.

Position Description

· Do you consider yourself a skilled professional in high performance computing clusters?

· Are you looking to apply your networking and programming experience?

· Do you thrive in a dynamic, customer focused, and innovative organization?

The Research & Exploratory Development Department at the Johns Hopkins University Applied Physics Laboratory is seeking an experienced systems administrator to provide oversight, maintenance, and implementation relating to a high performance computing (HPC) cluster and the Departments unclassified networking environments.


1. Lead the day-to-day operations of the HPC cluster and unclassified network environments. Provide system administration focused on Linux-based systems in an unclassified environment. Independently identify and solve technical issues relating to high performance computing, network configurations, Storage, and VMware. Configure, install, and maintain Linux computer systems. Ensure compliance based on configuration requirements such as those found in NIST 800.53. Manage user accounts for Linux systems, reset passwords, and perform annual computer recertification. Research, diagnose and resolve complex computer system software and hardware issues as they arise. Perform and analyze weekly audits for nonstandard events. Maintain a backup solution and ensure a cohesive disaster recovery plan. Collaborate closely with other systems administrators, Management, and users to ensure the cluster and network environments are performing optimally. Provide recommendations and innovative solutions to improve the HPC and networking within the Department.
2. Develop coding and scripts that will improve both unclassified and classified systems operations to enable increased automation and resolve issues.
3. As part of the Information Technology team provide support, as needed, to classified systems environments to maintain requirements and ensure configurations are compliant. Apply networking and VMWare knowledge to applicable classified environments and projects. As part of the systems administrator team assist with the REDD help desk support in addressing user requests and participate in team efforts to ensure systems and networks meet DFARS and HIPAA compliance.

Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.



Required Qualifications:

  • Bachelor’s degree in Computer Science/Engineering or other technical related discipline.
  • At least five years professional experience with high performance computing (HPC) and cluster management concepts and technologies, such as Univa Grid Engine, Bright Computing, storage management as well as GPU parallel processing.
  • Intermediate experience with VMWare virtualization products (vCenter, ESXi, and Horizon).
  • General mass storage administration and management experience.Network and storage engineering concepts.
  • Database administration experience.
  • Intermediate experience programming / scriptinglanguages such as Python and Java.
  • Advanced Linux skills; Linux systems administration experience in one or more of the following: RHEL, CentOS, and Ubuntu.
  • Current DoD 8570 certification (Security+ or CISSP), or ability to obtain DoD 8570 certification within 6 months of employment required.
  • Demonstrated excellent oral and written communication skills, and the understanding of customer focus.

Desired Qualifications:

  • Amazon Web Services expertise
  • Experience with mass storage management, and platforms, such as NetApp, Dell EMC, and HPC Schedulers.
  • Familiarity with enterprise IT architecture platforms, such as Dell and Cisco
  • Working knowledge of windows operating systems.
  • Red Hat Certified Systems Administrator (RHCSA) certified
  • Certified Information Systems Security Professional (CISSP)
  • Cisco Certified Network Associate (CCNA) certified