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# Linux Systems Engineer

- **Company:** Caci Inc
- **Location:** Sterling, VA, United States
- **Experience:** Expert
- **Salary:** $103,800.0 - $218,100.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Application Performance Management, Microsoft Azure, Bash Shell, Cloud Computing, System Configuration, Dynamic Host Configuration Protocol, Linux, File Systems, Domain Name System (DNS), Perl (Programming Language), Monitoring of Systems, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Linux System Administration, Linux Servers, Routing, Network Time Protocols, Network Protocols, Performance Tuning, Ansible, Security Information and Event Management, Software Vulnerability Management, Computer Networking Systems, Google Cloud, Cloud Platform System, System Availability, Firewalls (Computer Science), Containerization, Selinux, Infrastructure Automation Frameworks, Puppet, Docker, Vulnerability Analysis
- **Published:** August 5, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9075185/linux-systems-engineer

## About the Role

Typically requires bachelor's degree or equivalent, and at least 7 years of related experience.
Must have a current TS/SCI security clearance with polygraph
CCNA, Strong understanding of Linux operating systems, distributions, file systems, kernel concepts, and system architecture
Proficiency in Linux system administration, including installation, configuration, maintenance, performance tuning, and troubleshooting
Ability to design, configure, and test Linux servers and operating systems
Advanced scripting skills (Bash, Python, Perl) for automation and system efficiency
Experience with configuration management tools such as Ansible, Puppet, Chef, or similar platforms
Solid knowledge of networking protocols, services, and security hardening (DNS, DHCP, firewalls, routing, etc.)
Familiarity with cloud platforms (AWS, Azure, GCP) and hybrid infrastructure environments
Ability to monitor and maintain system health, performance, and security events across Linux environments

Security & Compliance Qualifications

Implementing security measures, patching, vulnerability remediation, and systems hardening.
Experience working within compliance frameworks and audit -ready environments.

## Description

The Linux Systems Engineer will function as part of a team of engineers responsible for designing, building, maintaining, and securing Linux-based systems to ensure reliability, performance, and security across in our secure environments., Install, configure, and maintain Linux operating systems and servers
Monitor system performance, reliability, and security; respond to alerts proactively
Troubleshoot system, application, hardware, and network-related issues on Linux platforms
Develop and maintain automation scripts using Bash, Python, or similar languages to streamline tasks
Perform regular updates, patching, and system hardening to maintain security posture
Implement backup, recovery, and disaster- recovery procedures for Linux environments
Collaborate with network engineers and other infrastructure teams to ensure seamless integration and high availability of systems
Maintain documentation related to system configurations, troubleshooting processes, and operational procedures
Support users and administrators by providing technical guidance and resolving Linux-related issues
Manage critical infrastructure services (e.g., DNS, DHCP, LDAP, NTP, mail relays) within Linux environment
Architect and maintain scalable, highly available Linux infrastructures across physical, virtual, and cloud environments
Deploy and manage containerization and orchestration solutions such as Docker and Kubernetes
Conduct vulnerability scanning, security audits, and enforce access controls using SELinux or similar tools
Perform root - cause analysis for complex issues involving networking, storage, or application performance
Basic Cisco networking management


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