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Job #: R-00066471
Location: Annapolis Junction, MD
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance: Top Secret/SCI with Polygraph
Referral Eligibility: Eligible
Referral Bonus Amount: $5000
Group: Intelligence

This job posting is no longer active.

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Job Description:

Are you ready to work on projects that can potentially change the world? Join us at Leidos, where your most important work is ahead!  You will enjoy great benefits such as 5 weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Unlimited Education and Training Support, Paid Parental Leave, Paid Disability Leave, Safe Work Environments and more. If this sounds like a place you can thrive, keep reading!

Program Summary
The Leidos Intelligence Group has a career opportunity for an experienced Linux System Administrator in Annapolis Junction, MD.

Primary Responsibilities:

  • Support for a team of developers, operating primarily on MASH cloud resources
  • Support teams charged with the design, development, maintenance, and improvements to system software and applications for Search and Survey systems
  • Research and recommend software tools, network devices and processes
  • Experience with Linux (version 7 or higher) Linux Administration
  • Red Hat OpenStack/Centos MASH experience
  • Install Patch and update Linux VM systems
  • Infrastructure Management: Install and configure MASH VM Servers
  • Analyze system logs and identifying potential issues with computer systems
  • Introduce and integrate new technologies into existing computer environments
  • Performing routine audit of systems and software
  • Applying operating system updates, patches, and configuration changes
  • Ensure STN / STE compliance and system hardening requirements are met
  • Install and configuring new hardware and software
  • Add, remove, or update user account information, resetting passwords, etc
  • Answer technical queries and assist developers and end users
  • Responsible for security of the system
  • Responsible for documenting the configuration of the system
  • System performance tuning
  • Configure, add, and delete file systems
  • Build new development, test and production environments
  • Install and configure infrastructure applications and support application integration.
  • Assist Systems Engineers with the analysis of user and system requirements and constraints.
  • Maintain Linux-based systems as well as software backups and software development management tools. Utilize scripting tools to assist with routine system administrator tasks. Perform system updates, backups, anti-virus package installations and create and maintain user accounts.
  • Configure and maintain network communications devices (e.g. routers, firewalls). Troubleshoot network problems.
  • Provide technical support to system integration efforts in the lab and during field installations.

Required Education and Experience:

  • Active TS/SCI clearance with polygraph
  • Bachelors Degree in a technical discipline 
  • 8 or more years related experience
  • A minimum of 5 years experience computing delivery system integration, hardware and software installation, configuration and disposition of servers and workstations to support the architecture. Providing problem resolution and technical support for delivery systems. Providing support for the design, validation and configuration management of computing delivery systems. Administering users system access to meet security requirements. Monitoring system performance to support capacity planning, backup and disaster recovery planning. 
  • A minimum of 3 years of experience in SIGINT system development, integration or test & Proficiency 
  • A minimum of 5 years of computer operating system experience with LINUX based platforms including scripting and automation
  • A minimum of 5 years of computer networking experience including node configuration and management
  • A minimum of 5 years of experience with router, firewall and other network communications equipment configuration, maintenance and management

Demonstrated experience in the following applications and processes:

  • Linux System Administration – CENTOS/Red Hat
  • PXE-Booting and Kickstart configuration
  • IAVA Patching including POA&M Generation, Mission Outage Coordination, and Rollback Planning
  • Experience with SEAR, UAM, EPO, VSEL, along with Nessus and TLS Compliance scanning and reporting
  • PKI Server Certificates, LDAP Integration, SSP Maintenance and Updates
  • Strong knowledge and extensive experience providing LINUX support in a production environment
  • Using Git for configuration management
  • Installing Ansible  and writing/editing/implementing Ansible playbooks
  • Writing/maintaining shell scripts
  • System management and control experience related to system hardening, STN/STE requirements
  • Storage and file management including volume administration
  • Installing, upgrading, patching, debugging and managing a multi-node Kubernetes cluster running Docker/Containers
  • Docker and Docker registries

Desired experience:

  • Mongodb and/or mysqldb
  • Rabbitmq
  • Beer Garden open source framework
  • Kubernetes cluster monitoring tools.
  • Gitlab CI/CD for automated code building and installation.

Pay Range:

About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 45,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.  For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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