We’re looking for a skilled Middleware Engineer to help design, automate, and support enterprise middleware platforms in a modern hybrid environment. This role offers the opportunity to work across application, infrastructure, and cloud technologies while contributing to platform reliability, modernization, and integration efforts.

Responsibilities

• Support and engineer middleware platforms across virtual machines, bare metal, and container-based environments.
• Design, build, and troubleshoot enterprise middleware solutions that connect applications, services, databases, messaging systems, and cloud environments.
• Develop proof-of-concepts and pilot implementations to support middleware adoption and platform modernization.
• Automate installation, configuration, patching, deployment, and operational tasks using Ansible.
• Use Terraform to help provision and automate infrastructure, especially in AWS environments.
• Work with APIs, web services, and service integration frameworks to enable reliable connectivity between systems.
• Investigate and resolve issues across middleware, networking, infrastructure, and application layers.
• Partner with architects, application teams, and platform engineers to deliver scalable technical solutions.
• Support middleware deployments on AWS EC2 and other non-managed environments when needed.
• Contribute to monitoring, logging, and operational support for middleware services.

Skills

• Hands-on experience with several enterprise middleware technologies, such as IBM WebSphere Application Server, WebSphere Liberty, IBM HTTP Server, Apache HTTP Server, Apache Tomcat, Red Hat JBoss/EAP, or Oracle WebLogic.
• Strong background in Java-based middleware architecture and Linux administration.
• Experience integrating middleware with enterprise applications, security services, identity platforms, databases, messaging tools, monitoring systems, and cloud services.
• Practical experience building automation with Ansible for middleware operations.
• Experience with Terraform and infrastructure automation in AWS.
• Working knowledge of Java runtime environments, including Oracle Java and OpenJDK.
• Strong troubleshooting, root-cause analysis, and problem-solving skills.
• Ability to work independently as a senior technical contributor while collaborating effectively with others.
• Willingness to work in a hybrid onsite model, with onsite presence required at least three days per week.
• Ability to complete a background check and drug screen upon offer.

Preferred Skills

• Experience with observability and monitoring tools such as Splunk, Dynatrace, AppDynamics, Prometheus, or Grafana.
• Background working with enterprise messaging technologies such as IBM MQ, Kafka, or RabbitMQ.
• Familiarity with CI/CD pipelines and DevOps practices that support middleware delivery.
• Experience supporting regulated environments such as financial services or banking.
• Exposure to middleware operations in AWS and other modern cloud environments.

Horizontal is committed to fostering an inclusive, welcoming workplace where diversity, equity, and inclusion are valued and respected. We encourage candidates from all backgrounds to apply and bring their unique perspectives and experiences to the team.