Senior WebSphere Middleware Administrator
Charlotte, NC
6+ months/ Contract
Phone and Skype
Max rate is $45-50/hr on c2c
Job Description:
For our client in Charlotte, NC, we need a Senior Middleware Administrator. This position requires expertise in the technologies listed below as well as the ability to be self-directed in a high energy and fast paced environment.
Responsibilities:
· Responsible for administering and supporting various Middleware technologies (Tomcat/Apache/WebSphere, etc.).
· Designing, building, deploying, maintaining, monitoring and troubleshooting of web servers (Apache Web servers), and Application servers (Tomcat/WAS) in non-prod and prod environments of in-house and vendor applications.
· Setting up HA/Clustering/Failover of Apache/Tomcat environments in Linux environments.
· Setting up SSL configurations, managing the SSL certificates and key stores on Apache/Tomcat/WAS
· Working with Users, DEV teams, QA teams, System, Security, and Network administrators to troubleshoot and resolve problems quickly and accurately.
· Troubleshoot system resources and performance bottlenecks for web applications
· Performance management and tuning of Apache, Tomcat, WebSphere, and other web/application servers
· Perform and support regularly scheduled system patches & application upgrades, etc.
· Work with product Vendors & Partners for support escalations and issue management
· Work independently on mission critical projects and deliverables
· Creating and maintaining documentation of all the installations, configurations, changes, etc.
· Participate in Disaster Recovery drills
Qualifications:
· Bachelor's degree in Computer Science, Mathematics or Engineering or similarly qualified background
· Ability to lead efforts with minimal oversight
· 5+ years total systems experience:
o 5+ years in Apache Tomcat (6/7/8) on RedHat platforms, AIX, Windows 32 and 64 bit JDK
o 5+ years in Apache server, IBM HTTP Server
o 3+ years in RedHat v5.0 and above, AIX 6/7, Windows etc.
o 3+ years experience in TCP/IP, Internet Technologies, DNS, Network Technologies
o 3+ years experience with other Java Application Server platforms (WAS, WebLogic, JBoss, etc.)
· Must have experience in supporting web and app server environments hosting mission critical applications, and maintaining underlying infrastructure
· Expert understanding of Enterprise Application and Web/Application server configuration options in Apache/Tomcat/WAS environments
· Hands on expertise in Configuring Apache/Tomcat clustering, load balancing, failover.
· Hands on expertise in building/compiling custom apache/tomcat packages on RHEL.
· Hands on expertise in configuring mod_ajp load balancing configurations in apache/tomcat.
· Hands on expertise in managing, configuring and updating SSL certificates, key stores on Apache/Tomcat/WAS
· Hands on Expertise in configuring (JDBC, JMS, Web Container Thread Pools, Heap sizes, tracing, etc.)
· Hands on Expertise in Setting up and tuning of web servers (Apache, IIS) with SSL, High Load, HA, etc.
· Expertise in using performance monitoring tools, producing and analyzing thread dumps, heap dumps and finding out the root cause of the problems.
· Hands on expertise in submitting firewall requests, DNS requests, etc.
· Strong understanding of Network Components (Load Balancer, Firewall rules, etc.)
· Expertise with Multi-Node management environments (Tomcats, Apache, WAS)
· Expertise in scripting languages to automate deployments, updates, administration tasks, etc.
· Strong Trouble shooting skills
· Flexible schedule and available for after hours
· Excellent oral and written communications and customer service skills
· Strong communication, collaboration & organization skills - Proven ability to work with all team members and peers
· Familiarity with disaster recovery planning/methodologies a plus
· Strong information gathering, proactive planning, documenting & forecasting skills
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