Senior Linux Systems Administrator

Job Number:
Job Category:
Information Technology - Systems
Day Job
Potential for Teleworking:
Clearance Level Must Currently Possess:
Clearance Level Must Be Able to Obtain:
Top Secret

The Defense and Intelligence group at Leidos currently has an immediate opening for a Senior Linux Systems Administrator at San Antonio, Texas.

This position is dedicated to the support of the Defense Civilian Personnel Data System (DCPDS) Enterprise Human Resource application and related systems located in San Antonio, TX, supporting over 800,000+ DoD civilian personnel records and users. DCPDS is a highly available, mission critical, computing infrastructure in which the candidate must be willing to work on a team of multiple administrators supporting a 7X24 on call rotating schedule.


Candidate must be capable of working in a fast paced environment requiring the ability to manage multiple tasks. The successful Candidate will perform system administrator duties such as configure and tune Linux operating environments, perform scheduled maintenance on the system to incorporate patches and/or enhancements, install COTS products, proprietary software and configure them to successfully run in multiple environments. Update and maintain COTS and custom system monitoring tools/scripts.


Primary Responsibilities:
Maintains systems in accordance with established policies, procedures and SLAs.
Implements and monitors Information Assurance procedures.
Monitors and tunes the system to achieve optimum level of performance.
Ensures server data integrity by evaluating, implementing and managing appropriate software and hardware solutions.
Enforces standard operating procedures.
Conducts routine hardware and software audits of servers for compliance with established standards, policies, configuration guidelines and procedures.




Education and Experience:
BS and 4 – 8 years of prior relevant experience, or additional experience in lieu of degree, or Masters with 2 – 6 years of prior relevant experience.

Basic Qualifications:
Must be US Citizen.
Possess an active DOD Single Scope Background Investigation (SSBI) upon starting in position in order to obtain a DOD IT-1 designation in a Position of Trust.
Possess a current Security+ CE certification (or higher) upon starting in position.
Experience maintaining Linux operating systems that support and interface with Oracle databases and applications.
Basic Knowledge of Storage Area Network (SAN) configuration, management, and troubleshooting.
Basic knowledge of working on systems in a controlled environment with configuration management oversight (software releases, implementing standard configurations).
Experience with an enterprise class monitoring and backup system.
Working knowledge in Red Hat Enterprise Linux and/or Oracle Enterprise Linux.


External Referral Eligible.

Leidos Overview:
Leidos is a global science and technology solutions leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported pro forma annual revenues of approximately $10 billion for the fiscal year ended January 1, 2016 after giving effect to the recently completed combination of Leidos with Lockheed Martin's Information Systems & Global Solutions business (IS&GS). For more information, visit www.Leidos.com. The company’s diverse employees support vital missions for government and commercial customers. Qualified women, minorities, individuals with disabilities and protected veterans are encouraged to apply. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an Equal Opportunity Employer.
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