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Sentrillion

Linux Systems Administrator

Sentrillion, Vicksburg, Mississippi, us, 39182


RESPONSIBILITIESMaintain smooth operations 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.

Setup 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 HPC systems and software environment.

Assist with forecast resource limitations and provide recommendations for increasing the efficiency of resources through proper scheduling and load balancing techniques.

QUALIFICATIONS/EXPERIENCE

Bachelor's degree and at least 3 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).

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

Experience with compiling, installing, and porting software.

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

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.

ABILITIES REQUIRED

Strong problem-solving skills; capable of analyzing and resolving hardware and operating system problems.

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.

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

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.

Excellent verbal and written communications with all levels of management for planning and organizing site management projects.

Strong detail-oriented skills; able to multi-task and change priorities quickly.

Able to meet precise standards.

Strong team player.

Ability to work designated schedule, as well as maintain attendance and punctuality.

Ability to occasionally work after hours and/or respond to emergency situations for problem resolution.

Ability to obtain and maintain a top-secret security clearance.

Sentrillion is an EEO Employer / Protected Vet / Disabled

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