Senior Systems Administrator III

Job Description

Job Description

Senior System Administrator III

Job Description

Overview :

The Senior System Administrator is a highly experienced technical leader within the Sterling IT team, responsible for ensuring the reliable operation, modernization, and security of the company’s core systems and cloud platforms. This is not an entry-level role; it requires expert-level administration of Microsoft 365, cloud identity (Entra), Exchange Online, SharePoint, Intune, Windows Autopilot, Meraki networking, Cisco Firewalls and VMware virtualization.

You will play a key role in Sterling’s IT evolution, partnering with Yardi System Administrator to form the Systems Administration pillar of the IT department. This role demands extreme ownership, excellent communication skills, and the ability to proactively drive technical projects to completion in a fast-paced, high-performance environment.

To learn more about the company, please visit our website sterlingorganization.com.

Primary Responsibilities :

• Ownership of the System Administration Pillar of the Sterling IT Department
• Administration of Microsoft 365, Exchange Online, Entra ID, SharePoint, OneDrive, Teams, Microsoft Copilot and other SaaS platforms
• Designing and enforcing Intune, Autopilot, and Conditional Access policies for device management
• Administration of VMware vSphere virtual environments, including NAS storage and backup strategy using Veeam
• Collaborating with Helpdesk Manager, Cyber Security Manager and Yardi System Admin
• Administration of Meraki networking devices and Cisco Firepower firewalls, including VPN
• Monitor logs, alerts, and service dashboards for performance, uptime, and security
• Serve as Tier III escalation point for support issues and access requests
• Evaluate new platforms or services and lead their secure implementation upon approval
• Create and maintain documentation for systems, policies, and SOPs
• Ensure all systems are patched, secured, and optimized regularly
• Assist in preparing materials and responses for IT audits, vendor due diligence, investor evaluations, and disaster recovery testing, ensuring all systems meet compliance standards
• Collaborate across departments to align IT tools with business goals, provide solutions and answer technical questions

Specific Knowledge, Skills and Abilities :

General Knowledge, Skills and Abilities :

Minimum Experience & Qualifications :

Certifications (Required or Equivalent Experience ) :

Workplace Expectations :

Benefits :

Sterling Organization is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, ethnicity, age, disability, veteran status, marital status, or any other characteristic protected by law.