Senior Systems Administrator

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 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 optimise Zscaler (ZIA, ZPA, ZDX) Implement security policies, access controls, and monitoring standards Maintain VMware vSphere 8 (vCenter, ESXi, Horizon View) Qualifications Required 4+ years’ experience in systems administration or a similar role 2+ years’ 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 of: 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 Enterprise hardware management (PowerEdge, SANs, UniFi) Understanding of CMMC, NIST, or C‑SCRM frameworks Experience tuning Defender, Horizon View, or IIS 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 Bachelor’s degree preferred, preferably in management information systems, mathematics or engineering. Additional degrees or certifications may substitute for years of experience. Full-Time Security Clearance Mid-Level On‑site Benefits Health & Welfare Major Medical Insurance for employees and family members Dental Insurance for employees and family members Vision Insurance for employees (employee‑paid for family members) Group Life Insurance Accidental Death and Dismemberment Insurance Travel Accident Insurance Long‑Term Disability Voluntary Short‑Term Disability Supplemental Life Insurance Flexible Spending Account (pre‑tax deferrals for health care expenses) Retirement Money Purchase Pension Plan – 100% Company funded defined contribution retirement plan. One‑year entry waiting period and 5‑year vesting. Core Funds available and a self‑directed brokerage account option. Employee Stock Ownership Plan – 100% Company funded discretionary contribution. 100% vested after one‑year entry waiting period. Time Off Tecolote’s generous paid time off benefits give employees the flexibility they need to relax, recharge and take care of the unexpected. #J-18808-Ljbffr Tecolote Research, Inc.