Linux System Administrator Senior

Description

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UNLEASH YOUR POTENTIAL

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Are you ready for your next career challenge?

Clearance Requirement: Ability to obtain an DoD interim Secret clearance with the ability to obtain and maintain a DoD TS.

If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoD's largest supercomputing centers and operating some of the most powerful supercomputers in the world, we could use your experience and enthusiasm! You will support the Engineering Research and Development Center (ERDC), Leidos provides program management and technical support necessary to advance services, capabilities, infrastructure, and technologies. Leidos is seeking a Sr. Linux Administrator to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi

So, what will you be doing in this role?

Primary Responsibilities:

You will perform standard Linux 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 required. Additional duties are:

• Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space.
• Developing and monitoring policies and standards for allocation related to the use of computing resources.
• Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment.
• Assisting with forecast resource limitations and provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques.

Required Skills and Abilities

• Extensive knowledge of Linux and 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

Desired Skills and Abilities

• 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 fabric for customer problem domains.
• 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
• Experience with Gitlab

Other

• Ability to obtain an DoD interim Secret clearance with the ability to obtain and maintain a DoD TS. 2. DoD 8570 Certification compliance - Security + and OS cert, Linux+, RedHat, etc. 90 day waiver may be provided to obtain the OS cert
• May require occasion after hours support and response to emergency situations for problem resolution

Required education and background

Bachelors. and five (5) years or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience

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Original Posting Date:

2025-01-07
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $72,150.00 - $130,425.00

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.