System Administrator 3 (Windows)

Location: On-site in Charleston, South Carolina, United States; reliable attendance at the customer site is required, with flexible night, weekend, and holiday shifts as needed. U.S. citizenship and an active Top Secret clearance are required.

Salary: $60,000–$180,000 USD annually.

Company

hirify.global provides IT services and solutions to federal government agencies and commercial customers, including infrastructure, cybersecurity, cloud migration, software development, analytics, and IT talent services.

What you will do

• Monitor, maintain, test, and troubleshoot physical access control, CCTV, PSIM, endpoint, and other IT security systems.
• Provide Tier 2 escalation support, perform root cause analysis, communicate issue status, and deliver detailed technical feedback.
• Configure and manage Windows operating systems, Active Directory, patching, IAVA updates, antivirus, STIGs, and vulnerability remediation.
• Maintain VMware-based hypervisors, Citrix XenDesktop VDI platforms, highly available SQL databases, storage platforms, and third-party applications.
• Develop implementation plans, testing procedures, preventive maintenance activities, infrastructure recommendations, and technical documentation.
• Train users and support personnel, manage small teams, and perform duties with minimal direct supervision.

Requirements

• Active Top Secret security clearance and U.S. citizenship.
• Bachelor’s degree with 5+ years of progressive experience, associate degree with 8+ years, or high school diploma/equivalent with 10+ years.
• At least 5 years of experience administering Physical Access Control Systems and performing system triage, remediation, and workstation deployments.
• Advanced knowledge of Windows Active Directory, Windows patching, vulnerability remediation, and operating system security.
• Security+ certification, CASP, or CISSP certification; basic knowledge of large-scale networking, VLANs, and routing.
• Ability to work on-site during customer hours, including flexible nights, weekends, and holidays, and travel up to 10% annually.

Nice to have

• Experience with ACAS, HBSS, eMASS, SRR tools, and vulnerability management.
• Experience applying STIGs to servers, databases, applications, and hardware.
• Knowledge of the federal RMF lifecycle, NIST 800-53, NIST 800-82, and UFC 4-010-06.

Culture & Benefits

• Full-time employee position with a competitive compensation package.
• Work supporting federal government clients and mission-critical infrastructure.
• Company commitment to diverse perspectives, veterans, transitioning service members, military spouses, and dependents.
• Small-business environment with more than 15 years of delivery and growth.