Sr. IT Systems Engineer

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Sr. IT Systems Engineer based in the United States. The Sr. IT Systems Engineer will shape and scale the identity, endpoint, and SaaS infrastructure supporting a global, remote-first workforce. This role combines hands-on technical engineering with architectural ownership, giving you the opportunity to define how employees and devices securely access essential systems. You will lead major initiatives across identity management, endpoint modernization, automation, and zero-trust security while partnering closely with Information Security and other business teams. You will also serve as a senior technical escalation point, guiding incident response and resolving complex infrastructure challenges. Through engineering standards, documentation, and mentorship, you will strengthen the team's capabilities and help build reliable, secure systems that support continued global growth.