Job Description
Job Description
JOB TITLE: Linux & Middleware Administration
Payrate - $$67.00 per hour
Hybrid - 3x onsite
Location - Mason, OH
Duration: 12/31/2026 - extension in process for 2027
Key Responsibilities
Linux & Middleware Administration
- Administer, maintain, patch, monitor, and troubleshoot Linux environments, preferably Red Hat Enterprise Linux (RHEL).
- Install, configure, maintain, and troubleshoot Apache HTTP Server, Docker, NGINX, and Red Hat JBoss Enterprise Application Platform (EAP).
- Support JBoss configurations including JVM settings, application deployments, data sources, certificates, logging, clustering, and environment-specific configuration.
- Analyze system and application logs to identify performance, configuration, connectivity, and availability issues.
- Support SSL/TLS certificates, keystores, trust stores, and related application connectivity.
Java Application Support
- Possess a working knowledge of Java/Jakarta EE applications and be able to review Java code, stack traces, configuration files, and logs to assist with troubleshooting.
- Work closely with development teams to diagnose application, JVM, middleware, and infrastructure-related problems.
- Troubleshoot issues involving JVM memory, threads, garbage collection, connection pools, application dependencies, and service integrations.
Build & Deployment Support
- Support and troubleshoot application build and deployment processes across development, test, and production environments.
- Assist in diagnosing failed builds, deployment failures, configuration issues, dependency problems, permissions, and environment differences.
- Understand modern CI/CD concepts, Git-based source control, build pipelines, and release processes.
- Partner with Development and DevOps teams to improve deployment reliability and reduce manual intervention.
Networking & Infrastructure Coordination
- Possess a solid understanding of networking concepts including TCP/IP, DNS, routing, firewalls, ports, load balancing, SSL/TLS, NAT, and network connectivity.
- Understand VIPs, load balancers, firewall rules, and site-to-site (S2S) VPNs well enough to identify requirements and submit accurate network requests.
- Troubleshoot application connectivity using tools such as curl, openssl, nslookup/dig, traceroute, netstat/ss, and related Linux utilities.
- Partner effectively with Network and Security teams to diagnose connectivity issues and implement infrastructure changes.
Required Qualifications
- 5+ years of Linux systems administration or equivalent enterprise infrastructure experience.
- Strong hands-on experience with Red Hat Enterprise Linux (RHEL) or comparable Linux distributions.
- Experience administering and troubleshooting Apache HTTP Server.
- Experience administering and troubleshooting Red Hat JBoss EAP.
- Working knowledge of Java/Jakarta EE applications, including the ability to interpret application logs, stack traces, JVM errors, and basic Java code.
- Experience troubleshooting application builds and deployments.
- Understanding of Git, CI/CD pipelines, and automated build/deployment processes.
- Strong networking fundamentals and the ability to translate application requirements into well-defined network requests.
- Experience troubleshooting complex issues that span application, middleware, operating system, database connectivity, and network layers.
- Strong communication and documentation skills with the ability to collaborate across Development, Infrastructure, Network, Security, and Operations teams.
Preferred Qualifications
- Experience with Jira for incident, change, problem, and work tracking.
- Experience with GitLab, Jenkins, Ansible, or similar CI/CD and automation technologies.
- Experience supporting highly available business-critical enterprise applications.
- Familiarity with load-balancing technologies such as F5 BIG-IP.
- Experience with monitoring/APM platforms such as Dynatrace, Splunk, or similar tools.
- Experience supporting applications that integrate with Oracle databases.
- Basic scripting experience with Bash, Python, or similar technologies.
- Prior hands-on application development experience (even small) particularly with Java-based enterprise applications, is a plus and will be valuable when troubleshooting application, build, deployment, and runtime issues.
Key Competencies
- Strong troubleshooting and root-cause-analysis skills
- Ability to troubleshoot across the application, middleware, OS, and network stack
- Comfortable reviewing application code without requiring a software developer background
- Strong ownership and follow-through
- Ability to work effectively during production incidents and high-priority deployments
- Strong cross-functional communication skills
- Ability to translate technical requirements between Development and Infrastructure teams
\nCompany Description
About company - Since its founded in 1996, CTC has grown into a trusted global partner in AI & ML, Enterprise Applications, Digital Services, Managed Services, and Business Services. With headquarters in Detroit, Michigan, CTC has a team of over 2,000 experts worldwide. We empower more than 100 organizations to tackle complex challenges and transform them into sustainable competitive strengths--driving innovation, efficiency, and growth every step of the way. Our strengths have always been Commitment to Customer, Commitment to Colleagues, and Commitment to Community (CTC).
Company Description
About company - Since its founded in 1996, CTC has grown into a trusted global partner in AI & ML, Enterprise Applications, Digital Services, Managed Services, and Business Services. With headquarters in Detroit, Michigan, CTC has a team of over 2,000 experts worldwide. We empower more than 100 organizations to tackle complex challenges and transform them into sustainable competitive strengths--driving innovation, efficiency, and growth every step of the way. Our strengths have always been Commitment to Customer, Commitment to Colleagues, and Commitment to Community (CTC).