Fulfill day-to-day operational tasks associated with maintaining infrastructure systems. Serve as technical lead or team member for large, complex projects to provide new or improved infrastructure services. Install/build, configure, administer, and decommission infrastructure systems, including upgrades, patching, and migrations. Build and document processes for maintenance that can be carried out by other teams. On a rotation basis, provide 24/7 on-call support for mission critical infrastructure systems. The Systems Engineer IV reports to the Systems Engineering Manager (Core Infrastructure Engineering).