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Job Details

Lead Systems Administrator


Systems Administrator


Dayton, Ohio, United States


Leidos is seeking a Lead Systems Administrator to support a team of administrators with standard system administration duties at the Engineering Research and Development Center (ERDC) in Vicksburg, Mississippi.

The selected candidate will perform standard System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of Linux based application and license servers, virtual machines, and GP/GPU cluster based systems. Coordination with network administrators is required.

You will also set up administrator and service accounts, maintain system documentation, tune system performance, install system wide software and allocate mass storage space. Develop and monitor policies and standards for allocation related to the use of computing resources. Participate in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment and assist with forecast resource limitations. You will also provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques.

Clearance Requirements:

Must have a Current Top Secret and be able to obtain a TS/SCI

Required Education, Experience, & Skills :

  • Bachelor’s degree and at least 12 years of experience (additional experience may be substituted for the degree)

  • DoD 8570 certification - Security + and OS cert, Linux+, RedHat, etc. (90 day waiver may be provided to obtain the OS certification)

  • Willingness to occasionally work after hours and/or respond to emergency situations for problem resolution

  • General knowledge of Linux and general Unix operating systems concepts as well as systems administration experience

  • Ability to develop and maintain documentation on system administration procedures for routine and complex tasks

  • Ability to create and maintain Information Assurance (IA) compliance documentation of the Information System

Preferred Education, Experience, & Skills :

  • Experience with compiling, installing, and porting software.

  • Ability to understand application scaling issues related to problem resolution, algorithm choice.

  • Experience with Storage Architectures: SAN, SAS, FC, SATA, Bandwidth, Performance

  • Ability to manage development of appropriate application benchmarks, analyze results and determine optimal configurations for processor type/speed, size of memory/cache, and memory interconnect.

  • Familiar in multi-factor authentication platforms and solutions, and Identity Management such as

  • OpenID, LDAP, and Kerberos.

  • Security implementations using multi-factor authentication, PKI, or Kerberos and Unix OS hardening to DoD STIG standards.

  • Experience programming or troubleshooting Python code

  • Experience with supporting Apache Web Server

  • Experience with Zabbix

  • Experience with Red Hat Satellite or Red Hat Identity Manager

  • Experience with BIND DNS

  • Experience with Ansible

Pay Range:

Pay Range $108,550.00 - $196,225.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.