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, truststores, 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
EEO:
Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.