Linux Systems Engineer

Linux Systems Engineer responsible for engineering, building, supporting, securing, and maintaining large-scale Red Hat Enterprise Linux (RHEL) server infrastructure in a highly available, 24x7 enterprise production environment. This role requires extensive hands-on RHEL experience, strong troubleshooting skills, and the ability to support complex distributed infrastructure across on-premises virtualization and AWS cloud environments.

The Clearing House Payments Company L.L.C. is a bank-owned industry utility that shapes the payments landscape and provides infrastructure for safe, reliable, and efficient payments. We see an economy where everyone is connected and a future where modern payments make life easier. The Clearing House operates four payment systems: a high-value wire-transfer system (the CHIPS® network), the country’sfirst and largest instant payments system (the RTP® network), an automated clearinghouse network (the EPN® network), and a check image exchange network (the Image Exchange Network).

TCH alsooperatesa bank account number tokenization service, runs a payments association known as the TCH Payments Authority, andmaintainsthe rules for private-sector check image exchange through its ECCHO® business line.

• - Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent relevant professional experience.
• - Extensive hands-on experience administering Red Hat Enterprise Linux in a large enterprise environment, including installation, configuration, upgrades, lifecycle management, troubleshooting, performance analysis, and production support.
• - Strong understanding of cloud fundamentals, infrastructure provisioning, and enterprise cloud design patterns.
• - Extensive experience with RHEL 8.x and 9.x on  platforms, including RHEL workloads hosted on VMware and AWS.
• - Strong working knowledge of enterprise infrastructure dependencies, including SAN storage (Dell/EMC), TCP/IP networking, DNS, LDAP, Active Directory integration, and firewalls.
• - Working knowledge of enterprise backup and recovery technologies, including Dell Power Protect Data Manager (PPDM).
• - Experience provisioning, configuring, and supporting Linux virtual machines in VMware environments.
• - Working knowledge of Linux authentication and identity integration with LDAP and Active Directory, as well as enterprise DNS services.
• - Excellent verbal and written communication skills, including the ability to create clear technical documentation and communicate effectively with technical and non-technical stakeholders.
• - Ability to participate in a 24x7 on-call rotation and perform planned maintenance or incident response during nights, weekends, and other off-hours as required.
• - Demonstrated ability to work professionally and collaboratively with infrastructure, application, security, architecture, operations, and other enterprise technology teams.

• - Experience supporting enterprise Linux workloads across VMware virtualization and AWS cloud environments.
• - Experience with VMware infrastructure concepts, including virtual networking, VLANs, compute, storage, and virtual machine lifecycle management.
• - Demonstrated ability to analyze and resolve complex infrastructure and operating system issues using structured troubleshooting and root-cause analysis.
• - Experience with AWS services and cloud-based Linux infrastructure is preferred.
• - Experience with Linux automation and scripting, such as Bash, Python, Ansible, or comparable tools.
• - Experience with enterprise monitoring, performance management, vulnerability management, configuration management, and security tooling.