Lead Middleware Infrastructure Engineer

Travel / On Call: Occasional after hours and weekend support for DR testing and on call rotation Comp Time: Provided for 4+ continuous hours worked during off hours or disaster recovery events, We are seeking a Lead Middleware Infrastructure Engineer to support enterprise middleware modernization and automation initiatives. This role is focused on migrating applications from legacy application servers to modern, lightweight platforms, with a strong emphasis on Apache Tomcat, automation, and cloud based deployments., Middleware Engineering & Modernization

• Deploy, configure, and troubleshoot middleware technologies with a focus on Apache Tomcat
• Support application modernization initiatives, including application server migrations from legacy platforms
• Assist application teams in resolving middleware related issues and performance concerns
• Modify existing middleware configurations to improve reliability, performance, and compatibility
• Define and monitor performance standards for middleware systems

Automation & Infrastructure as Code

• Design, develop, and maintain automation scripts and configurations using tools such as:

• Chef (preferred)
• Ansible
• Terraform

• Support CI/CD pipelines by integrating automation into build and deployment processes
• Promote automation first practices across middleware lifecycle management, * Support deployments on AWS, including EC2 based and containerized workloads
• Leverage Docker and Kubernetes/OpenShift to containerize applications and enable scalability and portability
• Assist in managing middleware platforms across multiple environments (development, test, production)
• Apply security patches and ensure compliance with platform security standards

Security & Operations

• Manage the lifecycle of SSL certificates, including creation, renewal, retention, and revocation
• Participate in disaster recovery testing and provide support during DR events (as needed)
• Participate in an on call rotation to support critical middleware platforms
• Monitor system health and performance, ensuring systems operate within defined parameters

Collaboration & Delivery

• Collaborate with application development, infrastructure, and operations teams across global locations
• Provide technical guidance, propose solutions, and support enterprise projects
• Take ownership of middleware initiatives from design through implementation and support

Must Have Technical Skills

• Strong hands on experience with Apache Tomcat (non negotiable)
• Experience deploying and supporting middleware in Linux environments
• Strong experience with at least one automation or Infrastructure as Code tool, such as:

• Chef (preferred)
• Ansible
• Terraform

• Experience with AWS, including EC2 and containerized deployments
• Proficiency with containers and orchestration platforms such as Docker and Kubernetes/OpenShift, * Exposure to migrating applications from legacy application servers to Tomcat is a strong plus
• Experience with CI/CD tools (e.g., Jenkins, GitLab)
• Familiarity with version control systems (GitHub, Bitbucket)
• Experience with Red Hat Enterprise Linux and shell scripting, * Experience with IBM WebSphere or Red Hat JBoss EAP
• Multi cloud exposure (Azure or Google Cloud Platform)
• Scripting experience in Bash, Python, or JavaScript, * Kafka experience
• Designing or architecting OpenShift clusters
• People or team management responsibilities, * 5+ years of relevant hands on middleware or infrastructure experience
• Deep expertise with Tomcat and related middleware technologies
• Strong automation mindset with the ability to learn new tools quickly
• Comfortable working in hybrid environments (on prem + cloud)
• Able to take ownership and drive technical work independently
• Flexible and reliable when supporting occasional after hours or weekend activities

Dexian stands at the forefront of Talent + Technology solutions with a presence spanning more than 70 locations worldwide and a team exceeding 10,000 professionals. As one of the largest technology and professional staffing companies and one of the largest minority-owned staffing companies in the United States, Dexian combines over 30 years of industry expertise with cutting-edge technologies to deliver comprehensive global services and support.