Senior Systems Administrator with Security Clearance

Overview We are seeking a skilled and self-driven Systems Administrator with strong expertise in cloud services, Microsoft enterprise technologies, virtualization, and modern security platforms The ideal candidate will have hands-on experience with AWS, Microsoft 365/Intune, VMware, and Zscaler, and will play a key role in maintaining secure, scalable, and well-documented systems. This position is best suited to someone who enjoys solving technical challenges, improving infrastructure through automation and best practices, and operating with autonomy in a dynamic environment. Responsibilities Core Responsibilities Cloud && Enterprise Services * Manage AWS environments and implement infrastructure-as-code using Terraform * Administer Microsoft 365 and Exchange Online * Configure and manage Intune for device/application security Network Security && Access * Maintain and optimize Zscaler (ZIA, ZPA, ZDX) * Implement security policies, access contr ols, and monitoring standards Infrastructure && Virtualization * Maintain VMware vSphere 8 (vCenter, ESXi, Horizon View) * Administer Windows Server roles (AD, DNS, DHCP, IIS, BitLocker) Skills Required Qualifications Required * 4+ years' experience in systems administration or similar role * 2+ Experience with AWS, Microsoft 365/Exchange, VMware, Zscaler * Strong troubleshooting and problem-solving skills * Ability to operate independently and collaboratively Preferred * ?Certifications in one or more: AWS, Microsoft, VMware, or Zscaler * ?Scripting/automation background * ?Familiarity with compliance and regulatory frameworks relevant to IT (e.g., CMMC, NIST 800-171 or C-SCRM). Additional Value-add Skills * PowerShell/Python automation skills * Enterprise hardware management (PowerEdge, SANs, Unifi) * Understanding of CMMC, NIST, or C-SCRM frameworks * Experience tuning Defender, Horizon View, or IIS * Strong documentation + communication capability Salary Range: $65,000 - $85,000/Year, DOE Candidates who meet 70-80% of the core requirements are encouraged to apply - we value growth, curiosity, and capability over perfection. Education Bachelors degree preferred, preferably in management information systems, math or engineering. Additional degrees or certifications may subsitute for years of experience.