Senior Systems Administrator (Linux)

TL;DR

Senior Systems Administrator (Linux): Managing and sustaining critical mission-focused Linux operating environments with an accent on high-availability, system security, and team leadership. Focus on driving operational maturity through automation, incident response, and performance tuning while mentoring a team of administrators.

Location: Must be onsite in Washington, D.C.

Company

hirify.global is a provider of AI-powered decision intelligence solutions for national security and complex operational environments.

What you will do

• Administer and maintain Red Hat Enterprise Linux-based environments supporting mission-critical applications.
• Manage a team of administrators, providing task prioritization, coaching, and performance feedback.
• Lead major technical activities including patching, hardening, and performance tuning.
• Coordinate incident response and conduct root-cause analysis to ensure system stability.
• Implement and maintain security controls and configuration baselines like SELinux and FIPS.
• Improve operational processes through SOPs, runbooks, and automation.

Requirements

• Active TS/SCI clearance with CI Poly eligibility required.
• Minimum 10 years of systems administration experience.
• Bachelor’s degree or higher in a related field.
• Proven experience managing teams in an operations environment.
• Proficiency in RHEL 7/8/9 and security hardening.
• CompTIA Security+ or equivalent certification required for privileged access.

Nice to have

• Experience with cloud computing environments.
• Proficiency in SQL and advanced Bash scripting.
• Ability to debug Java web application dependencies and logs.
• Experience managing on-call schedules and operational metrics.

Culture & Benefits

• Mission-focused engineering environment.
• Opportunities for technical leadership and team mentorship.
• Stable environment supporting critical government infrastructure.
• Emphasis on high-availability and operational excellence.