Linux Systems Administrator

TL;DR

Linux Systems Administrator: Administering and optimizing enterprise Linux environments for the National Institutes of Health (NIH) with an accent on security architecture, automation, and Zero Trust principles. Focus on hardening systems, managing enterprise authentication services, and collaborating with security teams to maintain a secure, compliant infrastructure.

Location: Remote (Must be eligible for Public Trust clearance in the US)

Company

hirify.global is a technology services provider supporting federal agencies and highly regulated environments.

What you will do

• Administer, configure, and maintain enterprise Linux distributions including RHEL, Rocky Linux, Ubuntu, and Oracle Linux.
• Design and implement secure Linux server architectures aligned with Zero Trust principles.
• Deploy and manage enterprise authentication services such as LDAP, Active Directory integration, and MFA.
• Perform OS hardening using DISA STIGs, CIS Benchmarks, and NIST guidance.
• Develop automation scripts using Bash, Python, or Ansible to improve operational efficiency.
• Collaborate with Security Architects, Network Engineers, and ISSOs to support infrastructure security.

Requirements

• Must hold or be able to obtain a Public Trust clearance.
• B.S. in Computer Science, Information Technology, or a related field.
• 5+ years of experience administering enterprise Linux environments.
• Experience with infrastructure engineering, automation, virtualization, cloud technologies, and cybersecurity.
• Strong understanding of enterprise patching, software lifecycle management, and kernel updates.

Nice to have

• Experience supporting federal or highly regulated environments.
• Relevant certifications such as RHCSA, RHCE, CompTIA Security+, Linux+, GCUX, or CISSP.