Stelo System Administrator​/Support Engineer

About Stelo

For over 30 years Stelo's products have freed organizations from the complexities and difficulties of static data pipelines. Our software is an enterprise-class data replication tool that delivers data dynamically from anywhere to anywhere for BI analysis, reporting, and prediction, or for managing business operations, B2B interactions, and supply chains. Stelo combines powerful, purpose-built software with world-class service and support. From end-to-end expertise and problem ownership to deep knowledge of all operating systems, platforms, and database systems, Stelo gets customers up and running and keeps them there.

We are looking for a hands‑on Senior Sys Admin / Support Engineer to own the day‑to‑day maintenance of our internal systems and provide technical support to our Stelo Data Replicator customers. This hybrid role is both internal‑facing (infrastructure, users, environments) and external‑facing (customer support), ideal for someone comfortable working across a broad but manageable scope in a small company.

• Own the day‑to‑day maintenance and reliability of our internal infrastructure, handling routine systems, network, and database upkeep across our small but diverse environment.
• Administer, maintain, and troubleshoot virtualized infrastructure platforms (e.g., VxRail/VMware) running Windows Server and Linux, focusing on routine maintenance, patching, and performance monitoring.
• Manage user accounts, groups, and permissions across AD/Azure AD and internal systems, enforcing least‑privilege access and MFA.
• Support and maintain cloud environments (Azure, AWS, GCP) for virtual machines, networking, storage, and secure remote access.
• Configure, maintain, and troubleshoot Fortinet‑based VPN solutions to ensure secure and reliable connectivity for remote users.
• Implement and maintain backup and recovery processes for servers, applications, and databases, including periodic restore testing.
• Monitor the health and capacity of systems, networks, VPN, and services, and handle incident response and basic performance troubleshooting.
• Perform routine operational tasks: OS and application updates, certificate renewals, log reviews, and security patching.
• Administer and support databases, especially IBM DB2 LUW and IBM i (AS/400), including basic administration, backup/restore, and performance troubleshooting in cooperation with the product team.

• Provide technical support for SQDR customers via remote sessions, email, and ticketing systems. Support includes troubleshooting complex environments and product issues while guiding customers through installation, configuration, and best practices.
• Troubleshoot SQDR deployment issues, including connectivity, configuration, database integration (DB2, IBM i, other RDBMS), and OS/environment problems.
• Analyze logs and diagnostic information to identify root causes and recommend workarounds or long‑term solutions.
• Assist customers with installing, upgrading, and configuring SQDR in their environments (Windows/Linux, on‑premises and cloud).
• Collaborate with internal engineering teams to escalate product defects, reproduce issues, and validate fixes and patches.
• Contribute to knowledge base articles, how‑to guides, and FAQs.

• 5+ years of experience in systems administration / infrastructure roles, with responsibility for production environments.
• Strong hands‑on experience with Windows Server and Linux (e.g., Ubuntu, RHEL, Rocky/CentOS) in virtualized environments.
• Experience with virtual infrastructure platforms such as VxRail, VMware, Hyper‑V, or similar.
• Working experience with at least one major cloud platform (Azure, AWS, or GCP), including basic compute, storage, and networking.
• Experience supporting relational databases, preferably DB2 LUW and/or IBM i (AS/400), including backup/restore and basic performance troubleshooting.
• Solid understanding of network fundamentals: TCP/IP, DNS, DHCP, VPNs, routing, and firewalls.
• Hands‑on experience configuring and supporting Fortinet VPN solutions in a…