System Administrator -Security

We are seeking a Systems Administrator – Security Responsible for administering, securing, maintaining, and optimizing enterprise infrastructure across on-premises, virtualized, hybrid, and cloud environments. Focuses on vulnerability management, remediation, patch compliance, and security across Windows, Linux, VMware, and cloud platforms. Experience with Tanium or similar tools is a plus.

Required Experience:

• Infrastructure: Windows Server, Linux, troubleshooting, access management, storage, networking, identity, and endpoint systems.
• Security: Vulnerability scanning, remediation tracking, patching, risk prioritization, and configuration compliance.
• Virtualization/Cloud: VMware vSphere, virtual machines, and cloud platforms.
• Tools/Automation: Endpoint management, asset discovery, Tanium or similar tools, PowerShell, Bash, Python, Ansible, and Terraform.
• Operations: Incident/change management, documentation, reporting, and cross-team collaboration.

Responsibilities

• Infrastructure Security: Administer Windows, Linux, VMware, and cloud infrastructure.
• Implement security baselines, access controls, and hardening standards.
• Vulnerability Management: Identify, prioritize, track, and remediate vulnerabilities across servers, virtual machines, and cloud resources. Validate fixes and coordinate remediation timelines.
• Patching: Coordinate OS and infrastructure patching, validate deployments, maintain compliance, and minimize disruption.
• Security & Compliance: Assess configurations against security standards, correct weaknesses, and support audits and compliance reporting.
• Cloud & Virtualization: Secure and maintain VMware, virtual machines, cloud services, configurations, and access controls across hybrid environments.
• Security Tools: Support asset discovery, endpoint management, vulnerability assessment, patching, and remediation using Tanium or similar platforms.
• Automation: Develop PowerShell, Bash, or Python scripts and workflows to automate patching, remediation, security validation, and reporting.
• Troubleshooting: Resolve infrastructure, configuration, patching, and security issues. Maintain incident and change records in the IT service management system.
• Documentation & Collaboration: Document configurations, security standards, patching, and remediation procedures.

Environment:

Works in a hybrid enterprise environment spanning on-premises, virtualization, and cloud infrastructure, focusing on vulnerability management, security, hardening, and remediation.