The Role: ION Markets is seeking an accomplished and driven Senior Linux Systems Administrator to join our Datacenter Systems Administrative Team. Based in our Somerset, NJ datacenter, this role offers a compelling opportunity to contribute to mission-critical infrastructure across North and South America. Our team oversees a robust estate of over 2,500 Red Hat Enterprise Linux (RHEL) systems deployed on HPE ProLiant hardware, supporting high-performance environments in multiple datacenters. We are embarking on transformative infrastructure initiatives that demand deep technical expertise, strategic thinking, and a passion for operational excellence.