Senior Middleware Administrator

NexZenTek Solutions Inc; Connecticut; Presencial; USD 120 000 - 150 000; Tempo integral

Resumo da oferta

NexZenTek Solutions Inc. in the United States (CT) seeks a Senior Middleware Administrator to lead hands-on platform operations across enterprise middleware.

You will configure, maintain, and secure middleware services, while driving automation and reliable deployments. Responsibilities include administering WebSphere, WebLogic, Tomcat, and other containers on Linux/UNIX and Windows, implementing security remediations, and collaborating with infrastructure teams to ensure availability and audit

Qualificações

• Bachelor's degree or equivalent practical experience in a related field.
• 6+ years in middleware administration or related roles.
• Hands-on experience managing WebSphere and WebLogic deployments.
• Security remediation, vulnerability management, and audit/compliance support.

Responsabilidades

• Administer and troubleshoot middleware platforms including IBM WebSphere, IBM HTTP Server, Oracle WebLogic, Apache HTTP Server, Apache Tomcat, Microsoft IIS, and WebSphere Portal.
• Support middleware on Linux/UNIX and Windows Server, including configuration, maintenance, patching, and upgrades.
• Maintain resilient production services and collaborate with infrastructure and application teams to resolve platform and integration issues.
• Identify and remediate vulnerabilities, apply patches, verify compliance with controls; manage SSL/TLS certs and integrations with LDAP/AD/Kerberos.
• Build automation for middleware administration, patching, security checks, deployments, and reporting; develop Shell, Python, and JACL scripts.
• Monitor middleware health, analyze JVM behavior, tune performance, lead root cause investigations and participate in incident response.

Conhecimentos

IBM WebSphere

WebLogic

Linux/UNIX admin

Windows Server admin

Shell/Python/JACL

CI/CD tooling (Jenkins, Git, GitLab CI

Formação académica

Bachelor's degree or equivalent practical experience

Ferramentas

Ansible

Jenkins

Git

GitLab CI/CD

Descrição da oferta de emprego

The Senior Middleware Administrator provides hands-on administration and operational support for enterprise middleware

systems. The role encompasses platform configuration, availability, maintenance, security remediation, audit readiness,

automation, performance tuning, and complex issue resolution. A key priority is to create repeatable, secure processes that

reduce manual work and keep critical middleware services reliable.

Core Responsibilities

Middleware Platform Operations

• Administer and troubleshoot IBM WebSphere, IBM HTTP Server, Oracle WebLogic, Apache HTTP Server, Apache Tomcat, Microsoft IIS, and WebSphere Portal.
• Support middleware running on Linux and UNIX platforms as well as Windows Server, including configuration, maintenance, patching, and upgrades.
• Maintain resilient production services and collaborate with infrastructure and application teams to resolve platform and integration issues.

Security & Compliance

• Identify and remediate vulnerabilities, implement security hardening, apply patches, and verify compliance with operational controls.
• Administer SSL/TLS certificates, keystores, truststores, and security integrations involving LDAP, Active Directory, Kerberos, single sign-on, and LTPA.
• Prepare and maintain change records, audit evidence, configuration documentation, procedures, and compliance

Automation & Deployment

• Build and maintain automation for middleware administration, patching, security checks, deployments, configuration changes, and operational reporting.
• Develop Shell, Python, and JACL scripts for recurring tasks, health checks, certificate processes, and other repeatable activities.
• Use scheduled tasks, REST API integrations, and CI/CD tooling to streamline controlled releases and platform management.

Performance & Production Support

• Monitor middleware health, analyze application and JVM behavior, tune performance, troubleshoot failures, and lead root cause investigations.
• Participate in incident response, change execution, production recovery, and continuous improvements to operational stability.

SENIOR MIDDLEWARE ADMINISTRATOR | JOB DESCRIPTION 2

SENIOR MIDDLEWARE ADMINISTRATOR

Required Qualifications

• Bachelor's degree or equivalent practical experience; approximately 6+ years in middleware administration or related
• Hands-on experience managing enterprise WebSphere and WebLogic deployments.
• Proven capability in security remediation, vulnerability management, and audit or compliance support.
• Demonstrated success designing automation that reduces operational effort and improves consistency.

Preferred Qualifications

• Experience with WebSphere Liberty.
• Administration or operational exposure to Kafka, ZooKeeper, Artifactory, WordPress, ServiceNow, or Remedy.
• Experience using Ansible, Jenkins, Git, GitLab CI/CD, or comparable deployment and automation solutions.
• Background supporting formal security audits and compliance frameworks.
• Strong analytical troubleshooting and middleware administration skills.
• Security-first operating habits, disciplined change management, and sound production judgment.
• Clear technical documentation and communication, effective scripting skills, and the ability to manage competing support priorities.

Additional Eligibility Consideration

This position may involve access to export-controlled technology or equipment. Candidates should be eligible for any authorization required under U.S. export-control regulations.