LINUX Systems Administrator Level 1

Kryptauri partners with government and defense organizations to deliver secure, high-assurance IT solutions in sensitive environments. We are seeking a Level 1 Systems Administrator (SA) to support mission-critical infrastructure, ensuring operational continuity, compliance, and system integrity across enterprise platforms.

This role is ideal for professionals who thrive in structured environments, understand the importance of security-first operations, and bring hands-on experience supporting classified or regulated systems. What You’ll Do

As a Systems Administrator, you will directly support enterprise IT systems used in secure environments, contributing to daily operations and rapid issue resolution across infrastructure components.

• Provide implementation, troubleshooting, and maintenance support for IT systems
• Deliver Tier 1 (Help Desk) and Tier 2 (escalation) support for incident diagnosis and resolution
• Maintain day-to-day operations across client/server/storage/network environments and mobile devices
• Install, configure, and administer Linux (CentOS 7, Rocky Linux 9, RHEL 9) and Windows 10/11 systems
• Execute system upgrades, patching, and configuration management
• Support Customer Secure the Enterprise (STE) and secure data transfer operations
• Monitor system performance, troubleshoot issues, and optimize reliability
• Assist end users with system access, usability, and technical support
• Support hardware installation and provisioning (servers, workstations, laptops)
• Participate in escalation workflows and communicate status to leadership and stakeholders
• Contribute to system capacity planning and performance optimization

Core Capabilities

• Support IT systems across client/server/storage/network domains
• Perform troubleshooting across OS, hardware, and network layers
• Maintain system integrity, availability, and configuration standards
• Assist with enterprise dispatch systems and hardware resolution processes
• Ensure effective communication across technical teams and leadership

• Active security clearance (TS/SCI with FS Poly)
• Five (5) years of Systems Administration experience in environments of similar scope, complexity, and security requirements
• Bachelor’s degree in a technical discipline
• (OR 5 additional years of SA experience in lieu of degree)
• Hands-on experience with:
• Linux administration (CentOS, Rocky Linux, RHEL)
• Enterprise IT support and troubleshooting workflows
• System installation, upgrades, and lifecycle management
• Secure environments and compliance-driven processes

Desired Skills

Preferred Skills

• Automation and configuration management (Ansible)
• Network-based provisioning (PXE boot environments)
• Virtualization experience (Proxmox)
• Identity and Access Management (IdM / LDAP integration)
• RHCSA or equivalent certification
• Experience troubleshooting and configuring TLS / secure communications
• Cross-platform administration (Linux + Windows)
• Strong understanding of Linux networking fundamentals, * Experience working in classified or regulated environments
• Strong troubleshooting mindset with attention to detail
• Ability to balance operational support with security compliance
• Clear and effective communication in high-stakes environments
• Initiative to automate, streamline, and improve system reliability