Senior Linux Systems Administrator

  • Leidos,
  • San Diego, CA
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Bash, Customer Service, Hardware, Linux, Management, Networks, PC, Printer, Programming, Security, Supervision, Systems Administrator, Windows
Full Time
Work from home not available Travel not required

Job Description

Job Description:

The Leidos Innovations Center (LInC) at Leidos currently has an opening for a Systems Administrator to work in our San Diego, Ca office. This is an exciting opportunity to use your experience providing advanced computing solutions in a heterogeneous environment. We use a wide array of Windows and Linux systems in a tightly integrated environment with a focus on security and high performance computing. This position is Linux oriented but will require some Windows skills. If you want to work in a diverse environment that allows you to get into every aspect of building, maintaining and eventually designing complex computing systems this is a great opportunity!

Primary Responsibilities

Configuration, setup and maintenance of numerous air-gapped networks

Manage daily break/fix scenarios, updates, backups, monitoring and user requests

Secure and maintain Linux servers and client systems according to STIGs

Create and maintain SOPs and train junior staff

Patch management

Hardware troubleshooting (COTS PC, printer, networks, encryptors)

Monitor ticket queue to ensure tasks are addressed in a timely manner according to priority

Strong desire to adhere to best practices and provide the highest quality of service and support

Monitor and maintain system performance, recommend changes and upgrades

Basic Qualifications

Bachelor's degree (or additional experience) and 4-8+ years of experience in Linux administration

Strong working knowledge of RedHat Linux subsystems - SSS/LDAP/Kerberos against AD, NFS, SELinux, IP Tables, MD devices, LUKS, PAM, GRUB, process management and performance tuning

Must have a demonstrated high level understanding of RAID systems and server hardware

Understanding of application and OS security, virus scanning, and patching in an RMF environment

Must have a demonstrated high level of skill resolving operational issues as a result of high STIG compliance

Must be able to demonstrate advanced Bash scripting skill

Must have an active Top Secret clearance with the last investigation completed within 6 years

Excellent customer service skills and clear communications both written and oral

Self-starter capable of working through daily tasks with minimal supervision

Preferred Qualifications


Windows Server


HPC / Lustre experience

Advanced Linux Certifications

Advanced programming skills


Company Information

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Dice Id : SCNCAPI2
Position Id : R-00006480

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