Linux Systems Engineer Sterling, VA, US

## Linux Systems Engineer Sterling, VA, USApply Now Find out how well you match with this jobJob ID329784

Job Title:

Linux Systems Engineer Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

Up to 10%
Type of Travel:
Local     The Opportunity    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.
Responsibilities  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    Qualifications    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    Desired    Core Technical Qualifications    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.

- ** What You Can Expect:
**** A culture of integrity.
** At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
** An environment of trust.
** CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
** A focus on continuous growth.
** Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in…