Senior Tomcat Engineer

Job Title: Senior Tomcat Engineer

Location: Onsite - Dallas, TX

Experience Required: 8-10 Years

Employment Type: Contract

Role Overview

We are seeking a highly experienced Senior Tomcat Engineer (Middleware / Systems Operations Engineer) to design, build, configure, and support Apache Tomcat in large-scale, clustered production environments running on Red Hat Linux.

This role focuses on high availability, performance tuning, security hardening, automation, and operational excellence across enterprise middleware platforms. The ideal candidate will have strong hands-on experience in Tomcat administration, OpenShift deployments, DNS/LB coordination, and production-grade troubleshooting.

Key Responsibilities

Tomcat Administration & Build

• Install, configure, upgrade, and patch Apache Tomcat in complex production environments.

• Perform build and support activities across Dev, QA, and Production environments.

• Manage configuration parameters including JVM tuning, thread pools, connectors, and MBeans.

Performance & Optimization

• Optimize JVM memory, settings, and connection pools to maintain SLA performance targets.

• Analyze service-level issues and perform root-cause analysis in production environments.

Container & Platform Deployment

• Deploy and manage Tomcat applications on Red Hat OpenShift container platform.

• Collaborate with DevOps teams for CI/CD and container orchestration improvements.

Infrastructure & Networking Coordination

• Create DNS URLs, CNAME records, and coordinate load balancer (LB) requests with network teams.

• Integrate Tomcat with NGINX, Apache HTTPd, and enterprise load balancers.

Automation & Scheduling

• Use configuration management tools such as Chef (JSON files) for automation.

• Configure Autosys jobs for automated weekly and monthly server reboots.

• Implement scripting for deployments and routine maintenance tasks.

Security & Compliance

• Conduct vulnerability management and regular security scans.

• Ensure hardened configurations and compliance with enterprise security standards.

• Manage certificate creation (e.g., DB2-related certificates) and production readiness checks.

• Ensure PSE PROD servers are placed in Break Glass mode prior to go-live activities.

Operations & Support

• Provide L3 support and participate in rotational/night shift coverage.

• Troubleshoot high-severity incidents and production outages.

Required Skills & Qualifications

• 8-10 years of experience in middleware platforms, with strong specialization in Tomcat build and support.

• Deep expertise in Apache Tomcat administration and performance tuning.

• Strong experience deploying applications on Red Hat OpenShift.

• Hands-on experience with Red Hat Linux environments.

• Knowledge of DNS management, CNAME creation, and load balancer coordination.

• Experience with Chef (JSON configurations) and automation scripting.

• Experience configuring Autosys job scheduling.

• Strong troubleshooting skills in high-availability production environments.

• Flexibility to support rotational/night shifts.

Desirable Skills

• Experience integrating Tomcat with NGINX or Apache HTTPd.

• Exposure to enterprise certificate management processes.

• Familiarity with database integrations (e.g., DB2).

Key Competencies

• Strong production ownership mindset

• Ability to troubleshoot complex middleware issues under pressure

• Collaboration with infrastructure, DevOps, and network teams

• Attention to security, compliance, and operational discipline

Technical Skills

Apache Tomcat | Red Hat Linux | OpenShift | JVM Tuning | Load Balancers | DNS | Chef | Autosys | NGINX | Apache HTTPd | Middleware Operations