Principal IT Systems Administrator (Cybersecurity)

TL;DR

Principal IT Systems Administrator (Cybersecurity): Implementing and maintaining mission-enabling IT systems and networks in high-tempo government accredited environments with an accent on system hardening, vulnerability remediation, and infrastructure support. Focus on collaborating with engineering teams to deliver secure, best-in-class solutions while ensuring compliance with rigorous security standards.

Location: Must be based in Sterling, VA (Onsite)

Company

hirify.global provides advanced full-spectrum cyber, data operations, and systems integration services for intelligence, defense, and commercial markets.

What you will do

• Implement and maintain mission-enabling IT systems supporting various programs.
• Perform routine system administration tasks including software/hardware installation, troubleshooting, and OS patching.
• Execute system hardening, vulnerability analysis, and remediation across computing systems.
• Coordinate IT operations activities between program personnel, security teams, and leadership.
• Produce technical documentation following industry best practices.
• Ensure network administration and system compliance across diverse environments.

Requirements

• 8+ years of experience delivering and supporting IT solutions in government accredited program network environments.
• Current TS/SCI clearance is required.
• Proficiency with both Windows and Linux operating systems.
• Strong familiarity with virtualization, networking, and Microsoft Active Directory services.
• Ability to obtain or possess a DOD 8140/8570 IAT Level II or higher certification (e.g., Security+ CE, CISSP).
• Proven ability to collaborate with internal and external customers to solve critical technical pain points.

Nice to have

• Proficiency with DISA STIGs and CIS Benchmarks.
• Experience with technical security controls like MFA, PKI, and DLP.
• Scripting and automation skills using PowerShell, Python, BASH, and Ansible.
• Experience with SIEM tools like Splunk and vulnerability assessment tools like Nessus or Rapid7.
• Familiarity with NIST 800-53 control frameworks.
• Bachelor’s degree in Information Technology, Cybersecurity, or a STEM field.

Culture & Benefits

• Opportunity to work on high-impact, technically advanced mission support services.
• Collaborative environment working alongside talented engineering teams.
• Focus on innovation and solving complex cybersecurity challenges.
• Commitment to equal opportunity and affirmative action.