Sr. IT Systems Engineer - Santa Clara, CA - Hybrid

At Gigamon, our purpose is to protect the hybrid networks and data of the largest, most complex organizations on the planet. Certified as a Great Place to Work, we offer a deep observability pipeline that efficiently delivers network-derived intelligence to cloud, security, and observability tools. This helps our customers to eliminate security blind spots, optimize network traffic, and dramatically reduce tool cost and complexity, enabling them to better secure and manage their hybrid cloud infrastructure.

Gigamon has served more than 4,000 customers worldwide, including over 80 percent of Fortune 100 enterprises, 9 of the 10 largest mobile network providers, and hundreds of governments and educational organizations.

As a Senior Staff IT Systems Engineer, you will lead complex, cross-functional initiatives that shape Gigamon’s enterprise IT capabilities and standards. You’ll determine methods and procedures for new work, direct the application of existing principles, and help develop new policies that raise the bar for reliability, security, and employee experience. You will partner broadly across IT, Security, and Engineering, advise teams on challenging technical matters, and drive automation and service improvements  will model a customer-oriented mindset, owning proactive communications, clear expectations, & measurable satisfaction outcomes.

Your impact will be measured by resilient services, clear SLAs, and sustained improvements in efficiency and stakeholder outcomes.

• Design, develop, enhance, and document core IT systems and services across our hybrid environment; set standards and methods for new solutions and guide adoption across teams.
• Administer and improve the enterprise stack including Cloud infrastructure (Azure, GCP, AWS, OCI); identity and device management (Okta, Azure AD, Jamf, Intune); collaboration and productivity platforms (Slack, Zoom, Microsoft 365/Exchange Online); and ITSM (Jira Service Management).
• Build and maintain automation workflows to eliminate toil, generate actionable reporting, and enforce controls; ensure all work is fully documented and adheres to rigorous change management.
• Translate stakeholder requirements into scalable, secure solutions; create clear implementation plans, determine methods and procedures, and deliver on agreed timelines.
• Define and maintain clear intake, prioritization, and service catalog entries; keep high‑quality knowledge base and self‑service content current and discoverable.
• Deliver timely, audience‑appropriate communications for incidents, maintenance, and changes; coordinate executive and stakeholder readouts and post‑incident updates.
• Instrument user experience and satisfaction (e.g., CSAT/CES, adoption) and drive backlog/priorities based on insights; partner with fellow IT Ops team members to reduce repetitive requests and increase self‑service.
• Lead complex troubleshooting and root‑cause analysis; drive post‑incident corrective actions and systemic improvements with measurable outcomes.
• Establish and report operational KPIs and SLAs; use data to continuously improve reliability, performance, security, and cost.
• Mentor and upskill teammates; provide subject‑matter guidance across adjacent domains; champion IT service delivery best practices and contribute to policy and standard development.
• Lead or contribute to multiple concurrent projects; partner with cross‑functional departments to support tooling, integrations, and collaboration needs.

• Bachelor’s degree in Computer Science, Computer Engineering, or related field; typically 8+ years of related experience with a Bachelor’s, or 6+ with a Master’s, or equivalent.
• Significant enterprise ownership as an IT Systems Administrator/Engineer, with deep experience in Azure infrastructure and Microsoft Windows Server.
• Proven scripting and automation expertise to drive operational efficiency and governance.
• Strong working knowledge of Jamf and Intune for device management;
  Okta and Azure AD for identity and access management.
• Hands‑on administration of Slack, Zoom, Microsoft 365/Exchange Online, and Jira Service Management.
• Solid understanding of ITSM; practiced…