Sr Systems Administrator
Summary
Senior Systems Administrator who architects, secures, and maintains the enterprise IT infrastructure of a defense engineering firm in Clearwater, FL (hybrid). Day to day spans Microsoft 365/Azure and Hyper-V administration, Intune/PowerShell endpoint automation, CAD/PLM systems (Creo, Windchill, SolidWorks), network management, and NIST SP 800-171 / CMMC 2.0 compliance.
Responsibilities
- Enterprise Infrastructure Architecture & Administration: Architect, administer, and optimize the hybrid enterprise infrastructure, including Microsoft 365, Azure Cloud services, on-premises virtualized servers (Hyper-V), storage arrays, and directory services.
- Endpoint Engineering & Automation: Lead endpoint management and automation initiatives utilizing Microsoft Intune, Group Policy, and PowerShell scripting to automate software distribution, operating system deployments, patch cycles, and security baselines.
- Engineering Ecosystem Administration: Serve as lead technical administrator for the enterprise engineering software environment, including PTC Creo, Windchill PLM, and SolidWorks; oversee license server management, client configurations, database vaulting, and engineering workstation performance tuning.
- Cybersecurity & Regulatory Compliance: Drive the design, implementation, monitoring, and audit readiness of security controls in compliance with NIST SP 800-171, CMMC 2.0 (Level 2), and DFARS clauses to protect Controlled Unclassified Information (CUI).
- Network Infrastructure & Technical Leadership: Manage and maintain core enterprise network infrastructure (firewalls, managed switches, routers, secure site-to-site and client VPNs, wireless systems); serve as the primary technical escalation point for IT operations and mentor junior IT personnel.
Qualifications
- Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related discipline; and a minimum of 5–8+ years of progressive systems administration, network engineering, and infrastructure experience.
- Identity & Cloud: Deep expertise in Windows Server environments, Active Directory, Azure AD / Microsoft Entra, Microsoft 365 tenant management, and hybrid identity architectures.
- Endpoint Management: Proven experience managing enterprise endpoint environments using Microsoft Intune.
- Automation: Advanced scripting and automation capabilities (PowerShell, Power Automate, Power Apps).
- Engineering Systems: Direct experience administering CAD/PDM/PLM applications and license servers (PTC Windchill, Creo, SolidWorks).
- Networking: Strong networking background including firewall configuration (Palo Alto/Cisco), VLAN segmentation, IPsec VPNs.
- Cybersecurity Compliance: In-depth knowledge of NIST SP 800-171, CMMC 2.0, DFARS 252.204-7012, and CUI protection requirements.
- Certifications (Preferred): CISSP, CompTIA Security+, Microsoft Certified: Azure Administrator / Identity and Access Administrator, or Cisco CCNA/CCNP.
- Citizenship & Security: Must be a U.S. Citizen. Must be capable of obtaining and maintaining a U.S. Department of Defense Clearance if required.
- Travel: None
- Work Environment: Office work environment
- Background Investigation/Drug Screen/US Person: Required