# Sr. IT Administrator at Illumio

AI Level 1, AI centrality 0 out of 100. Sunnyvale, California - HQ.

## Details

- Company: [Illumio](https://jobsbylevel.com/companies/illumio)
- AI level: AI Level 1 (score 0 out of 100)
- Location: Sunnyvale, California - HQ
- Salary: $114k-$131k
- Posted: October 6, 2026
- Apply: https://jobsbylevel.com/go/2fb3371d-6c7c-48e3-8520-6789ca6ac772

## Description

Onwards Together! Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by the Illumio AI Security Graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters. Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running. Location: 4 on-site days a week in Sunnyvale, CA Headquarters. Our Team's Vision: Our IT team is a key contributor at the heart of our operations, collaborating closely with teams across the organization to drive business value. We encourage our team members to be innovators, actively seek solutions, and meet challenges head-on. From end-user support to pioneering IT solutions and business applications, we continuously advance our capabilities. As a leader in Zero Trust Segmentation—protecting organizations from cyber threats like ransomware—Illumio recognizes the critical role of robust IT infrastructure. Our IT team is a vital and esteemed strategic partner throughout the company. We are seeking an experienced and technically proficient Senior IT Administrator to join our IT Service Operations team. This role requires extensive hands-on experience managing Windows and macOS environments and will serve as a subject matter expert for endpoint management, Microsoft administration, identity and access management, IT automation, and enterprise applications. This role requires strong technical expertise, independent problem-solving, and the ability to design and implement scalable solutions that improve the reliability, security, and efficiency of IT operations. The ideal candidate will be expected to identify opportunities to streamline IT operations through automation, system integration, and process improvement. The role will also provide advanced technical support and high-touch service to executives and executive assistants and serve as an escalation point for complex technical issues. Your Impact: Endpoint Management · Serve as a senior subject matter expert for the organization's Windows and macOS endpoint environments. · Administer Microsoft Intune and Jamf Pro, including the creation, testing, and deployment of policies, configuration profiles, applications, security settings, and compliance controls. · Manage Windows and macOS provisioning and zero-touch deployment, including Windows Autopilot and Apple Automated Device Enrollment. · Manage endpoint patching and software update processes, including testing, deployment, monitoring, and remediation. · Configure and support Intune Company Portal and mobile device enrollment. · Monitor and troubleshoot endpoint enrollment, policy, application, compliance, and deployment issues. · Develop and maintain standardized endpoint configurations and security controls in partnership with Information Security. Microsoft Administration · Serve as a senior technical resource for Microsoft 365 and related Microsoft cloud technologies. · Administer and troubleshoot Microsoft 365 services, including Exchange Online, SharePoint, OneDrive, Purview, Defender, and related services. · Configure and maintain Microsoft Defender for Office 365 email protection and security policies, including anti-phishing, anti-spam, malware protection, Safe Links, Safe Attachments, and related threat protection capabilities. · Configure, deploy, and maintain Microsoft Purview Data Loss Prevention (DLP) policies and related data protection controls. · Monitor DLP and email security activity, troubleshoot policy behavior, and tune policies to balance security requirements with employee productivity. · Administer and support Microsoft Defender and related endpoint security capabilities in partnership with Information Security. · Manage and

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Source: https://jobsbylevel.com/jobs/sr-it-administrator-at-illumio-6f6975

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