![]()
Lead Middleware Infrastructure Engineer
Location: Dallas, TX (Hybrid)
Engagement Type: Contract to Hire
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
Position Overview
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.
The team operates within a cloud first strategy, supporting containerized and virtualized workloads primarily on Amazon Web Services (AWS). This is a senior, hands on individual contributor role for an engineer who can take ownership of middleware platforms, drive automation, and support application modernization efforts end to end.
Key Responsibilities
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
Cloud, Containers & Platforms
- 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
Required Qualifications
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
Additional Technical Experience
- Experience with Apache HTTP Server preferred
- 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
Preferred (Nice to Have)
- Experience with IBM WebSphere or Red Hat JBoss EAP
- Multi cloud exposure (Azure or Google Cloud Platform)
- Scripting experience in Bash, Python, or JavaScript
Not Required
- Kafka experience
- Designing or architecting OpenShift clusters
- People or team management responsibilities
Ideal Candidate Profile
- 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.
Dexian connects the right talent and the right technology with the right organizations to deliver trajectory-changing results that help everyone achieve their ambitions and goals. To learn more, please visit .
Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.
Never miss an opportunity! Create an alert based on the job you applied for.