Sr. Linux Systems Administrator - Top Secret Clearance w/SCI eligibility - (24547)

$150,000 - $170,000/Yr

American Systems Corporation - Washington, DC

Full-time - Senior

Washington, DC

51-100 employees

Professional, Scientific, and Technical Services

About the position

The Sr. Linux Systems Administrator role at AMERICAN SYSTEMS involves enhancing and optimizing the classified Production and Development Linux infrastructure for a US Government customer. This position requires a Top Secret clearance with SCI eligibility and focuses on ensuring peak performance and reliability of mission-critical applications while supporting a collaborative and empowered work culture.

Responsibilities

• Support on-premise Production and Development Linux infrastructure and applications
• Provide Tier II support for production and development environments, managing ticket submission and tracking
• Monitor resource availability to meet customer requirements, ensuring sufficient hardware, software, and throughput
• Review and optimize system performance to ensure peak efficiency and reliability for mission-critical applications
• Analyze system resource usage and apply corrective actions when necessary
• Review system and application logs, ensuring completion of scheduled tasks and backups
• Create and manage user accounts, groups, and permissions; maintain local repositories
• Manage user accounts to enforce appropriate access controls
• Perform interface administration, including sFTP, SFG, and shell scripting
• Develop and maintain administrative scripts (e.g., BASH, Python) for system maintenance
• Document and implement system administration solutions to meet business requirements
• Provide project status updates, problem resolution, and system administration reports to management
• Coordinate problem resolution with customers, team members, and vendors as needed
• Assess and recommend improvements for system software and hardware to enhance efficiency and functionality
• Collaborate with the Cybersecurity team to implement, monitor, and maintain cybersecurity compliance and vulnerability mitigations

Requirements

• Active Top Secret clearance w/SCI eligibility
• Bachelor's degree OR four (4) years of additional experience in lieu of a degree
• Active IAT Level II certification (e.g., Security+, CySA+, CCNA-Security, GICSP, GSEC, or SSCP)
• 10+ years of experience in IT Systems Administration
• 5+ years in Linux administration demonstrating knowledge of containerization (Podman/Docker), Ansible, and OpenLDAP
• Ability to configure mount points, add and expand hard disk space, make drives persistent, and implement NFS drives
• Capable of performing backup procedures using tar and gzip, configuring log management, and analyzing logs
• Experienced with implementing DoD STIGs, configuring SELinux and setting proper SE contexts
• Experience with VMware vSphere (version 7 or above)
• Proficient in BASH, Python and/or ColdFusion scripting
• Possess a Red Hat Linux or Linux Server OS certification (RHSCA or RHCE) within 6 months of hire

Nice-to-haves

• Current Red Hat certifications (RHCSA or RHCE)

Benefits

• Employee Stock Ownership Plan
• Healthcare benefits
• Paid leave
• Retirement plans (including ESOP and 401k)
• Insurance programs
• Education and training assistance