Senior Linux System Administrator
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Job Location:
Fairfax, VA - USA
Monthly Salary:
$ 116350 - 210325
Posted on:
7 hours ago
Vacancies:
1 Vacancy
Job Summary
The ESA V program is an IT Services program supporting several customers within the Department of Justice. The program provides a range of IT services including help desk deskside support Windows workstation engineering and maintenance managed print services ITSM Active Directory services and video conferencing as well as IT Infrastructure Operations and Engineering support.
Leidos is hiring a Senior Linux System Administrator to provide on-site support in Fairfax VA at the customer enterprise data center. to users within the Department of Justice. This position requires a current active Secret clearance.
Primary Responsibilities
The successful candidate will work independently and as part of a team performing high-level systems analysis evaluation design integration documentation and implementation of complex Red Hat systems supporting applications that require a thorough knowledge of administrative and technical skills. Performs all duties of Red Hat administration including installation configuration securing performance tuning and troubleshooting. Applies higher-level business or technical principles and methods to very difficult technical problems to arrive at an engineering technical reports and related documentation and makes charts and graphs as needed to record results. Prepares and deliver presentations and briefings as required by the Task Order.
Basic Qualifications
Bachelors Degree with 12 years experience as a Unix System Administrator Operational experience with RHEL8 and RHEL9. High school diploma with additional years experience may be considered in lieu of a degree.
Must have Active Secret security clearance
- Must have Active Secret security clearance
- 3 years deploying Unix in secured environments i.e. DISA
3 years using updating and maintaining Red Hat Satellite
- Documenting system processes for Unix environments
- HW experience: Knowledge of Dell Servers iDRAC VMWare AWS and Azure
SW experience: Operating Systems: RHEL8 and RHEL 9
- Red Hat Satellite Server and Red Hat PCS Clustering
- Experience with running Red Hat systems with SELINUX in enforcing mode
- Experience with configuring PAM (Pluggable Authentication Modules) on RHEL to enable 2-factor authentication via RSA and/or Active Directory
Proficiency in developing and maintaining Ansible playbooks for system automation
Preferred Qualifications
- VMWare Aware
- Azure Aware
AWS Aware
Experience with RHEL 10
Experience with Ansible Automation Platform
Experience with the File Access Policy Daemon (fapolicyd) Service
DISA environment hardening experience
Docker/Containers
ServiceNow experience
Complex KornShell (ksh) or bash scripting
Ability to apply user requirements to the analysis planning and design of technology systems.
Ability to communicate problems and solutions both verbally and in writing to the Government Lead.
Ability to work independently and troubleshoot problems with speed and efficiency.
Ability to work closely with others in a team environment
Ability to interface with all customer levels.
Strong analytical and problem-solving skills
Strong analytical and problem-solving skills
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
December 11 2025For U.S. Positions: 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 $116350.00 - $210325.00The Leidos pay range for this job level is a general guideline onlyand 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.
Required Experience:
Senior IC
Key Skills
- Active Directory
- VMware
- Computer Networking
- Microsoft Windows Server
- Solaris
- Windows
- Linux
- SAN
- System Administration
- Operating Systems
- Dns
- CentOS
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
