Sr. Linux Systems Engineer
About The Position
CACI is seeking a Senior Linux Administrator for a DoD Environment. The ideal candidate will be a self-starter with extensive experience in Linux systems administration, automation, security implementations, and integration with enterprise directory services. This position requires a current SCI clearance with polygraph. The role involves maintaining system reliability and security in a classified environment, contributing to national safety, and working in a culture of integrity and trust with opportunities for continuous growth. Employees are valued for their unique contributions and have access to flexible time off and robust learning resources.
Requirements
- Active: TS/SCI with Polygraph
- Bachelor's degree in computer science, Information Technology, or related field experience
- Current Security+ certification
- 5+ years of experience as a Linux Systems Administrator in a DoD or similar secure environment
- Proven experience installing and configuring Linux on physical servers and virtual machines
- Strong knowledge of Puppet and Ansible for configuration management and automation
- Active Directory integration
- Familiarity with Active Directory and LDAP
- Demonstrated ability to work independently and take initiative
- Excellent troubleshooting skills for Linux systems and applications
- Experience implementing and maintaining security configurations based on DoD STIGs
- Experience with Centrify for Linux
Nice To Haves
- Additional relevant certifications (e.g., RHCE, LFCS, CISSP)
- Experience with network devices (routers, switches, firewalls) and cabling
- Knowledge of FISMA, NIST, and other security frameworks
- Experience with cloud platforms (AWS, Azure, or GCP) in classified environments
- Scripting skills in Bash, Python, or Perl
Responsibilities
- Install, configure, and maintain Linux operating systems on both physical and virtual environments using kickstarts
- Develop and maintain infrastructure as code using Puppet and Ansible
- Implement and maintain security configurations following Department of Defense (DoD) Security Technical Implementation Guides (STIGs)
- Proactively troubleshoot complex Linux-related issues and implement solutions
- Manage user access and authentication using Centrify and Active Directory
- Ensure compliance with DoD security policies and procedures
- Take initiative in improving systems, processes, and security measures
- Collaborate with other IT teams to maintain system reliability and security in a classified environment
Benefits
- competitive compensation
- benefits
- learning and development opportunities
- broad and competitive mix of benefits options designed to support and protect employees and their families
- healthcare
- wellness
- financial
- retirement
- family support
- continuing education
- time off benefits
- flexible time off benefit
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What This Job Offers
Job Type
Full-time
Career Level
Senior
