Peraton
Linux System Administrator, Senior
Job Locations
US-TX-San Antonio
Requisition ID
2025-159090
Position Category
Information Technology
Clearance
Top Secret/SCI w/Poly
Sector
Cyber Mission
Responsibilities
Senior Linux System Administrator
Location:
San Antonio, TX
Clearance Required:
TS/SCI with Polygraph
Your Mission: Peraton is seeking a
Senior Linux System Administrator
to support our high-impact Cyber Intelligence team in San Antonio, TX. Join us at the forefront of national security as you help operate and secure critical cloud-based repositories in a fast-paced, mission-driven environment where your skills directly support global operations. This role is ideal for someone who thrives in dynamic environments, enjoys solving complex technical problems, and is passionate about contributing to real-world cybersecurity missions. What You'll Do: You'll work hands-on with large-scale
Hadoop
and
Accumulo
clusters, helping maintain the stability, performance, and security of our cloud systems. Your responsibilities will include: Monitoring and maintaining system health
across distributed environments Troubleshooting
hardware, software, and network issues
Sustaining and optimizing storage systems
Collaborating with hardware, software, security, and infrastructure teams
Automating tasks
and managing configurations using tools like
Puppet ,
Bash , and
Python
Providing
after-hours support
as needed for mission-critical issues
Ensuring compliance
with system security requirements
Participating in system design and architecture discussions
Maintaining system scripts, patching software, and managing user accounts
Keeping accurate
hardware and system inventories
Who You Are: You're a proactive, skilled Linux system administrator with a strong background in: Operational troubleshooting
of cloud-based systems and large-scale distributed clusters
Tools such as
Hadoop ,
Accumulo , and experience managing
cloud infrastructure
Scripting and automation using
Bash ,
Python , or other scripting languages
Configuration management with
Puppet
(or similar tools)
You understand that requirements can shift quickly and are ready to adapt in real time to global operational needs. Why Peraton? At Peraton, you won't just maintain systems-you'll safeguard missions. You'll work alongside passionate professionals who are dedicated to protecting the nation through advanced technology and innovation. We offer competitive compensation, a comprehensive benefits package, and opportunities to grow your career while making a difference.
Qualifications
Job Requirements: Experience: 20+ years as a Linux System Administrator on projects of similar scope and complexity
Proven ability to plan and lead system administration efforts
Education: Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering, or a related field
May substitute 5 additional years of experience in place of degree
Security Clearance: Active TS/SCI with current polygraph required
Technical Expertise in: Designing and implementing
Service-Oriented Architecture (SOA)
solutions
Developing
DoDAF-compliant architectures , including operational, technical standards, and system/service views
Leading
end-to-end system trade analyses
to optimize long-term system performance
Applying
models, simulations, and prototyping
to manage risk and lower development costs
Managing system configurations throughout lifecycle (hardware, software, and documentation)
Creating
design alternatives
that factor in cost, complexity, reuse, risk, and scalability
Developing and monitoring
risk mitigation plans , including fallback strategies using EVM data
Supporting
Analysis of Alternatives (AoA)
efforts with well-justified solution recommendations
Providing
technical leadership
across the full system development lifecycle-from requirements gathering through integration and testing
Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. #MPOJobs #AJCM #PeratonRoyalMove
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$190,000 - $304,000. This represents the typical salary range for this position based on experience and other factors.
EEO
An Equal Opportunity Employer including Disability/Veteran.
#J-18808-Ljbffr
Job Locations
US-TX-San Antonio
Requisition ID
2025-159090
Position Category
Information Technology
Clearance
Top Secret/SCI w/Poly
Sector
Cyber Mission
Responsibilities
Senior Linux System Administrator
Location:
San Antonio, TX
Clearance Required:
TS/SCI with Polygraph
Your Mission: Peraton is seeking a
Senior Linux System Administrator
to support our high-impact Cyber Intelligence team in San Antonio, TX. Join us at the forefront of national security as you help operate and secure critical cloud-based repositories in a fast-paced, mission-driven environment where your skills directly support global operations. This role is ideal for someone who thrives in dynamic environments, enjoys solving complex technical problems, and is passionate about contributing to real-world cybersecurity missions. What You'll Do: You'll work hands-on with large-scale
Hadoop
and
Accumulo
clusters, helping maintain the stability, performance, and security of our cloud systems. Your responsibilities will include: Monitoring and maintaining system health
across distributed environments Troubleshooting
hardware, software, and network issues
Sustaining and optimizing storage systems
Collaborating with hardware, software, security, and infrastructure teams
Automating tasks
and managing configurations using tools like
Puppet ,
Bash , and
Python
Providing
after-hours support
as needed for mission-critical issues
Ensuring compliance
with system security requirements
Participating in system design and architecture discussions
Maintaining system scripts, patching software, and managing user accounts
Keeping accurate
hardware and system inventories
Who You Are: You're a proactive, skilled Linux system administrator with a strong background in: Operational troubleshooting
of cloud-based systems and large-scale distributed clusters
Tools such as
Hadoop ,
Accumulo , and experience managing
cloud infrastructure
Scripting and automation using
Bash ,
Python , or other scripting languages
Configuration management with
Puppet
(or similar tools)
You understand that requirements can shift quickly and are ready to adapt in real time to global operational needs. Why Peraton? At Peraton, you won't just maintain systems-you'll safeguard missions. You'll work alongside passionate professionals who are dedicated to protecting the nation through advanced technology and innovation. We offer competitive compensation, a comprehensive benefits package, and opportunities to grow your career while making a difference.
Qualifications
Job Requirements: Experience: 20+ years as a Linux System Administrator on projects of similar scope and complexity
Proven ability to plan and lead system administration efforts
Education: Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering, or a related field
May substitute 5 additional years of experience in place of degree
Security Clearance: Active TS/SCI with current polygraph required
Technical Expertise in: Designing and implementing
Service-Oriented Architecture (SOA)
solutions
Developing
DoDAF-compliant architectures , including operational, technical standards, and system/service views
Leading
end-to-end system trade analyses
to optimize long-term system performance
Applying
models, simulations, and prototyping
to manage risk and lower development costs
Managing system configurations throughout lifecycle (hardware, software, and documentation)
Creating
design alternatives
that factor in cost, complexity, reuse, risk, and scalability
Developing and monitoring
risk mitigation plans , including fallback strategies using EVM data
Supporting
Analysis of Alternatives (AoA)
efforts with well-justified solution recommendations
Providing
technical leadership
across the full system development lifecycle-from requirements gathering through integration and testing
Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. #MPOJobs #AJCM #PeratonRoyalMove
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$190,000 - $304,000. This represents the typical salary range for this position based on experience and other factors.
EEO
An Equal Opportunity Employer including Disability/Veteran.
#J-18808-Ljbffr