Senior Systems Architect

TXSE is building the next-generation exchange infrastructure to support transparent, efficient, and resilient capital markets. With SEC approval and $270MM in funding, we are currently hiring a Senior Systems Architect to help with a greenfield infrastructure build out. Key Responsibilities Platform Architecture & Engineering: Design, implement, and evolve highly available infrastructure platforms that support mission-critical trading, market data, and financial services workloads across on-premises and cloud environments. OpenShift & Kubernetes: Architect, deploy, and maintain resilient Red Hat OpenShift and Kubernetes platforms for low-latency, high-throughput production environments. Linux Engineering: Provide senior-level engineering leadership for Red Hat Enterprise Linux (RHEL) systems, including kernel tuning, performance optimization, patching strategy, lifecycle management, and operational standards. Market-Critical Infrastructure Services: Engineer and support core infrastructure services essential to distributed financial systems, including LDAP, Kerberos, SSSD, DNS, BIND, PowerDNS, NTP, Chrony, and PTP, with a focus on precision, availability, and operational integrity. Cloud & Hybrid Architecture: Design and operate secure AWS and Azure solutions, including hybrid and multi-cloud architectures that satisfy financial industry requirements for resilience, auditability, security, and business continuity. Enterprise Hardware & Storage: Lead the design, support, and optimization of infrastructure running on Dell PowerEdge servers and enterprise storage platforms, with emphasis on performance, replication, capacity planning, and fault tolerance. Automation & Platform Reliability: Develop and standardize infrastructure automation using Ansible, Jenkins, ArgoCD, GitOps, Terraform, Pulumi, and scripting frameworks to improve repeatability, speed, and operational consistency. Developer & Release Platform Integration: Manage GitHub Enterprise and related integrations, including SonarQube, Artifactory, and GitHub Actions runners, to enable secure and scalable software delivery workflows. Operational Resilience & Compliance: Ensure platforms are designed and operated to meet the security, availability, resiliency, and regulatory expectations of financial services and capital markets environments. Architecture Leadership: Establish design standards, reference architectures, and reusable engineering patterns that can be deployed consistently across multiple business and technology domains. Cross-Functional Partnership: Collaborate closely with trading, application development, production support, cybersecurity, network engineering, and infrastructure teams to deliver stable, performant, and scalable solutions aligned with front-office and enterprise priorities. Qualifications 10+ years of experience in Linux infrastructure engineering, systems engineering, or platform architecture roles. 5+ years of hands-on experience designing and supporting Red Hat OpenShift and/or Kubernetes in production. Strong experience supporting infrastructure in New York financial markets, including trading environments, market data platforms, exchange connectivity, or other latency- sensitive capital markets systems. Deep understanding of the operational demands of financial services environments, including high availability, change control, resiliency, audit, and regulatory considerations. Proven expertise in RHEL engineering, systems performance tuning, and production platform design. Strong background in building standardized, reusable architecture patterns with a “design once, use many” approach. Demonstrated experience with AWS and Azure, including secure networking, storage integration, identity controls, and hybrid deployment models. Advanced knowledge of enterprise compute and storage infrastructure, including Dell PowerEdge servers and Dell EMC storage platforms. In-depth knowledge of authentication, DNS, and time synchronization services in distributed, performance-sensitive environments. Strong proficiency in infrastructure automation and scripting using tools such as Ansible, Terraform, Pulumi, Bash, and Python. Excellent communication and stakeholder management skills, with the ability to engage effectively with engineering teams, operations teams, application owners, and business leadership. Preferred Experience Experience supporting infrastructure for equities, options, futures, fixed income, or other capital markets trading platforms. Familiarity with low-latency infrastructure design, market hours operational support, and production change controls in front-office environments. Experience designing platforms that support regulatory, surveillance, disaster recovery, and operational resiliency requirements in financial markets. Background leading engineering standards, architectural reviews, and platform modernization initiatives.