Lead Classified Systems Administrator (RHEL)

Location: Beavercreek Township, Ohio, United States

Company

hirify.global delivers technology-driven, mission-critical solutions across defense, space, industry, and government through its Mission Technology Solutions and Sustainable Technology Solutions businesses.

What you will do

• Lead the administration, maintenance, optimization, troubleshooting, and security of classified enterprise systems, including servers, desktops, storage, and peripheral equipment.
• Act as the technical lead and primary escalation point for complex system, infrastructure, operating system, hardware, virtualization, and performance issues.
• Plan and oversee operating system and software upgrades, patching, lifecycle management, backup, recovery, and disaster recovery processes.
• Design and implement infrastructure improvements, modernization initiatives, security measures, and system enhancements.
• Coordinate operational activities and project deliverables while collaborating with network, cybersecurity, IT support, engineering, vendors, and stakeholders.
• Standardize documentation and administration procedures, provide status updates, and mentor junior system administrators.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Systems Engineering, or a related field, or equivalent relevant experience.
• 8+ years of relevant experience, including 5+ years as a primary Linux Systems Administrator in large-scale enterprise or DoD environments.
• Must be a US Citizen and hold a TS/SCI Clearance with a CI Polygraph, or be able to obtain and maintain it.
• CompTIA Security+ CE, CISSP, or an IAW DoD 8570 certification.
• Advanced Red Hat Enterprise Linux administration, including lifecycle management, patching, hardening, performance tuning, troubleshooting, automation, STIG compliance, auditing, and vulnerability remediation.
• Experience with Bash, Python, Ansible, Windows Server, Active Directory, Group Policy, VMware, enterprise storage, and backup solutions.

Nice to have

• Experience with STIG Viewer, SCAP Compliance Checker, OpenSCAP, vulnerability scanning, and mitigation tools.
• Familiarity with the DoD Risk Management Framework and Special Access Program system configuration under JSIG requirements.
• Experience transitioning legacy products to virtualized environments and leading complex, high-risk teams or projects.

Culture & Benefits

• Benefits may include a 401(k) plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability coverage, and paid time off.
• Flexible work schedules may be available depending on role and policy.
• Professional training, development, and career advancement opportunities.
• Potential additional compensation may include bonuses, sign-on bonuses, relocation benefits, and short- or long-term incentives.
• Culture centered on safety, integrity, teamwork, and a People First approach.