Production Support Application & Middleware Engineer

Millennium•New York, NY

1d•$175,000 - $250,000

About The Position

Millennium is a global, diversified alternative investment firm founded in 1989. Its Information Technology department enables the firm’s active, multi-manager business model through flexible, scalable technology and proprietary systems, developing and supporting analytical, trading, integration, and enterprise capabilities in a global engineering environment. The Production Support Application & Middleware Engineer provides support for critical internal trading, integration, and event-driven messaging platforms across user-acceptance and production environments. The role diagnoses and resolves application, messaging, infrastructure, connectivity, latency, throughput, and data-delivery issues; communicates with trading staff and internal stakeholders during incidents and releases; and works with global teams to coordinate support and incident, problem, change, and release-management activities. The engineer monitors platform health and improves operational readiness through dashboards, alerting, capacity planning, runbooks, post-incident reviews, and root-cause analysis. The role also designs, implements, administers, and supports Solace PubSub+ event-driven integration solutions and establishes standards and governance for event-driven architecture. It develops source-controlled automation, configuration, and operational tooling to improve reliability, observability, deployment, and recovery procedures.

Requirements

Experience supporting business-critical production systems in a fast-paced environment; ideally within financial services, trading technology, or another highly available enterprise setting.
Hands-on experience with Solace PubSub+, including broker configuration, queues, topics, subscriptions, ACLs, client connectivity, routing, and operational support.
Strong knowledge of event-driven architecture, asynchronous messaging, distributed systems, and integration patterns, including one or more of JMS, AMQP, MQTT, REST, WebSocket, or SMF.
Strong Linux skills, including command-line troubleshooting, log analysis, process management, networking fundamentals, and shell scripting.
Strong Python and shell scripting skills, with experience automating platform operations, environment management, configuration, deployment, monitoring, validation, or recovery.
Experience with GitHub and Git-based workflows, including pull requests, branching strategies, CI/CD practices, and artifact repositories such as Artifactory.
Ability to troubleshoot complex incidents across application, messaging, infrastructure, and network layers, while communicating effectively with technical teams, business stakeholders, and trading staff.
Bachelor’s degree in Computer Science or a related field.

Responsibilities

Provide production support for critical internal trading, integration, and event-driven messaging platforms across user-acceptance and production environments.
Diagnose and resolve application, messaging, infrastructure, connectivity, latency, throughput, and data-delivery issues; coordinate escalations with subject-matter experts and external vendors as needed.
Communicate clearly and promptly with trading staff and internal stakeholders during incidents, platform disruptions, releases, and exchange-related events.
Partner with global teams across North America, Europe, and APAC to deliver production support coverage and coordinate incident, problem, change, and release-management activities.
Monitor platform health and strengthen operational readiness through dashboards, alerting, capacity planning, runbooks, post-incident reviews, and root-cause analysis.
Design, implement, administer, and support Solace PubSub+ event-driven integration solutions, including event brokers, message VPNs, client profiles, queues, subscriptions, ACLs, certificates, authentication, authorization, and monitoring.
Establish and maintain event-driven architecture standards for topics, schemas, versioning, security, retention, resiliency, and lifecycle management; use Solace Event Portal and AsyncAPI-based practices to govern reusable event contracts.
Develop source-controlled automation, configuration, and operational tooling using Python, shell scripting, GitHub, Artifactory, CI/CD pipelines, and infrastructure-as-code practices to improve reliability, observability, deployment, and recovery procedures.