Senior Systems Administrator
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Job Location:
Gaithersburg, MD - USA
Monthly Salary:
$ 89700 - 162150
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Job Summary
Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber logistics security operations and decision analytics to support our defense and intel customers mission to defend against evolving threats around the world. Our teams focus is to ensure our customers have the right tools technologies and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.
The Intelligence Production Solutions Division (IPSD) part of the Decision Advantage Solutions Business Area is currently seeking a Senior Systems Administrator. As a senior member of our IT operations team you will play a key role in managing securing and optimizing high-performance mission-critical systems that directly support the customers intelligence and geospatial initiatives.
This position requires deep technical expertise proactive leadership and the ability to work independently and collaboratively in a fast-paced classified environment. You will lead systems operations mentor junior admins and ensure availability reliability and security of infrastructure supporting geospatial analytics software development and data services.
Position may be performed in the following locations below. Please note Gaithersburg MD is the programs primary work location.
- Gaithersburg MD
- Alexandria VA
- Chantilly VA
- Aurora CO
- St. Louis MO
- Tucson AZ
Clearance Level Required:
Top Secret with the ability to obtain SCI as well as a Polygraph.
Primary Responsibilities:
- Lead system administration for Linux and Windows-based systems in secure mission-critical environments.
- Architect and manage complex server storage and virtualization infrastructure (VMware KVM).
- Perform OS installation configuration hardening and patching in compliance with DoD STIGs and agency policies.
- Monitor and tune system performance conduct root cause analysis and resolve complex issues quickly and efficiently.
- Support backup/recovery strategies disaster recovery plans and continuity of operations.
- Oversee and maintain automation scripts and infrastructure as code (Ansible PowerShell Bash etc.).
- Maintain system documentation configuration baselines and support CM and RM activities.
- Lead and support deployment of system enhancements and modernization initiatives for Chinook and Maru programs.
- Collaborate with cybersecurity network engineering and software development teams to ensure system compliance and performance.
- Participate in security audits incident response and operational readiness activities.
Basic Qualifications:
- US citizenship is required per contract.
- Bachelors degree in Computer Science Engineering Information Technology or related discipline and 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience.
- DoD 8570 IAT Level II or III certification (e.g. Security CE CASP CISSP).
- Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration.
- Proficiency with virtualization platforms (VMware KVM) and management tools.
- Experience with automation and scripting (Ansible Bash PowerShell Python).
- Familiarity with STIG compliance system hardening ACAS scans and RMF processes.
- Strong understanding of enterprise networking identity/access management and storage concepts.
- Proven ability to troubleshoot document and lead systems-related projects independently.
- Experience supporting IC or DoD classified environments.
Preferred Qualifications:
- Experience supporting IC customer or GEOINT missions.
- Familiarity with DevOps tools and pipelines (Git Jenkins Docker etc.).
- Experience with cloud platforms (AWS GovCloud Azure Government) and hybrid cloud environments.
- Knowledge of enterprise backup solutions DNS DHCP Active Directory and PKI.
#Chinook
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
October 9 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 $89700.00 - $162150.00The 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
- Computer Science
- Active Directory
- Computer information Technology
- PowerShell
- OS
- Windows
- Database
- SCCM
- Linux
- SAN
- Troubleshoot
- Backup
- Setup
- Technical Support
- UNIX
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.
