Site Reliability Engineer

TXSE; New York (NY); On-site; USD 110,000 - 150,000; Full time

Job summary

TXSE is hiring an Infrastructure Operations Engineer to support OpenShift and Kubernetes environments hosting critical trading and financial services applications.

The role emphasizes automation, incident response, and collaboration with developers and infrastructure teams to maintain secure, reliable platform services. Experience with Ansible, Jenkins, ArgoCD, and GitHub Enterprise is valued.

Qualifications

• 3–7 years of experience in Linux systems administration, infrastructure operations, platform support, or a similar technical operations role.
• 2+ years of hands-on experience supporting Red Hat OpenShift and/or Kubernetes in production or non-production environments.
• Experience supporting Linux systems in an enterprise environment, including patching, troubleshooting, upgrades, and basic performance tuning.

Responsibilities

• Provide day-to-day operational support for Red Hat OpenShift and Kubernetes environments hosting production trading and financial services applications.
• Use and maintain automation and deployment tools to improve consistency and reduce manual operational effort.
• Monitor platform and infrastructure health, respond to incidents, troubleshoot service issues, and assist with root cause analysis to reduce downtime.

Skills

Linux systems

OpenShift

Kubernetes

Automation tooling

Ansible

Jenkins

ArgoCD

GitHub Enterprise

SonarQube

Artifactory

AWS/Azure

DNS/Time sync

Security/Compliance

Tools

Jenkins

ArgoCD

GitHub Enterprise

SonarQube

Artifactory

Job description

TXSE is building the next-generation exchange infrastructure to support transparent, efficient, and resilient capital markets. With SEC approval and $275MM in funding, we are currently hiring an Infrastructure Operations Engineer to help with a greenfield infrastructure build out.

Key Responsibilities

• Platform Operations: Provide day-to-day operational support for Red Hat OpenShift and Kubernetes environments hosting production trading and financial services applications.
• Automation & Operational Tooling: Use and maintain automation and deployment tools such as Ansible, Jenkins, ArgoCD, and GitOps workflows to improve consistency and reduce manual operational effort.
• Proficiency in automation and scripting tools such as Ansible, Bash, Python, Terraform, or similar.
• Linux Systems Administration: Administer and support Red Hat Enterprise Linux (RHEL) systems, including patching, upgrades, troubleshooting, performance tuning, and lifecycle support.
• Monitoring & Incident Response: Monitor platform and infrastructure health, respond to incidents, troubleshoot service issues, and assist with root cause analysis to reduce downtime and operational risk.
• Protocols & Core Infrastructure Services: Support authentication and directory services such as LDAP, Kerberos, and SSSD. Maintain and troubleshoot DNS services including BIND and CoreDNS, and support time synchronization using NTP, Chrony, and PTP.
• Cloud Operations: Support workloads in AWS and Azure, including troubleshooting issues related to compute, networking, storage, access, and security in hybrid and multi-cloud environments.
• Enterprise Hardware & Storage Support: Support infrastructure running on Dell PowerEdge servers and assist in maintaining enterprise storage platforms, including performance monitoring, replication support, and capacity tracking.
• Developer Platform Support: Support GitHub Enterprise and related integrations, including SonarQube, Artifactory, and GitHub Actions runners.
• Change, Patch, and Release Support: Execute system changes, platform updates, patching, and deployment-related activities in accordance with operational procedures and maintenance windows.
• Resilience & Compliance: Help maintain systems in line with financial industry requirements for security, availability, and operational resilience.
• Cross-Functional Collaboration: Work closely with developers, traders, and infrastructure teams to support stable, secure, and reliable platform services.

Qualifications

• 3–7 years of experience in Linux systems administration, infrastructure operations, platform support, or a similar technical operations role.
• 2+ years of hands-on experience supporting Red Hat OpenShift and/or Kubernetes in production or non-production environments.
• Experience supporting Linux systems in an enterprise environment, including patching, troubleshooting, upgrades, and basic performance tuning.
• Familiarity with incident response, operational support, and service restoration in production environments.
• Working knowledge of AWS and/or Azure infrastructure services.
• Understanding of authentication services, DNS, and time synchronization concepts in distributed environments.
• Experience with enterprise server hardware and storage platforms is a plus.
• Familiarity with CI/CD and developer platform tools such as Jenkins, ArgoCD, GitHub Enterprise, SonarQube, Artifactory, or GitHub Actions runners.
• Strong communication skills and the ability to work effectively across technical teams.