Senior IT Systems Engineer (L3 Support)

About this job

66degrees functions as an end-to-end AI transformation partner, guiding enterprises from complex business challenges toward clear outcomes by merging cloud, AI, and data expertise. The Senior IT Systems Engineer (L3 Support) role operates as a senior-level technical position responsible for delivering the highest level of internal support and serving as the final escalation point for the IT Service Desk. A normal day for this professional involves acting as the primary escalation point for complex technical issues, architecting and managing enterprise identity solutions, overseeing Google Workspace and Atlassian administration, enforcing email security protocols, automating user provisioning, and managing endpoint and storage infrastructures. Additionally, this team member collaborates with IT leadership to establish technical standards, automate workflows, and sustain a robust security posture across all platforms.

Responsibilities

• Serve as the primary escalation point for complex technical issues from L1 and L2 engineers, ensuring timely resolution and adherence to SLAs.
• Architect, implement, and manage enterprise-grade SSO and Identity Provider solutions.
• Manage and optimize Google Workspace and Administration at an expert level, including advanced security configurations and audit logging.
• Serve as the Subject Matter Expert for the Atlassian suite, specifically Jira Service Management, to streamline workflows.
• Enforce email security standards by configuring and monitoring SPF, DKIM, and DMARC protocols.
• Automate user lifecycle management through SCIM, JIT, and other advanced provisioning protocols.
• Oversee global Mac OS device management using advanced MDM tools and hardware asset management protocols.
• Manage complex storage infrastructure including iSCSI, NFS, and SFTP environments.

Requirements

• Bachelor’s degree in Information Technology, Computer Science, or a related field.
• 7 to 10+ years of experience in IT support, system administration, or infrastructure engineering.
• Deep expertise in Single Sign-On integration and Identity Provider solutions like Okta or Azure AD.
• In-depth and demonstrable expertise in Google Workspace Administration and Chrome Enterprise Management.
• Expert-level knowledge in Atlassian products including Jira Service Management, Jira Software, and Confluence.
• Proven experience with Enterprise Mac OS and Windows endpoint management using modern MDM solutions.
• Advanced certifications such as Associate Google Workspace Administrator, GCP Cloud Architect, or Atlassian Certified Professional.

Who should apply

This role best suits experienced infrastructure and IT support professionals who possess deep expertise in identity management, cloud collaboration suites, and endpoint administration. Candidates should have a strong background in handling complex technical escalations and leading enterprise-level implementations. Please note that the company cannot sponsor or transfer any visas at this time.

Frequently asked questions