WebLogic Lead Developer

Seargin Ltd; Dunstable; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

B2B Contract

Global opportunities

Engaging IT projects

Competitive remuneration

International projects

Private medical care

MultiSport

Job summary

Seargin Ltd is seeking an experienced Enterprise Middleware Administrator in the UK to support WebLogic, WebSphere, IBM MQ and Tomcat across Windows and Linux. You will install, configure and safeguard middleware platforms, drive upgrades and ensure high availability.

The role requires strong scripting (Shell/WLST) and ITIL‑like operational discipline, with exposure to DevOps tools and international project work. Strong communication skills are essential.

Qualifications

• Extensive WebLogic and WebSphere administration experience in Windows and Linux.
• Hands-on middleware support for WebLogic, WebSphere, IBM MQ and J2EE apps.
• Proven middleware upgrades, migrations, deployments and patching across enterprise environments.
• Production support experience, incident management and SLA adherence.
• Knowledge of deployments, load balancing, high availability and server integrations.
• Strong Shell/Bash scripting with WLST automation for deployments and health checks.

Responsibilities

• Administer medium to large J2EE middleware deployments (WebLogic/WebSphere).
• Plan and execute upgrades, migrations, and patching in Windows and Linux.
• Provide production support, troubleshoot incidents and outages per SLAs.
• Deploy apps, ensure availability, load balancing and failover.
• Configure server integrations with front‑end web servers and propagate WLST scripts.
• Create automation scripts for deployments, monitoring and domain creation.

Skills

WebLogic administration

WebSphere administration

IBM MQ

J2EE deployments

Shell scripting

WLST automation

Performance tuning

ITIL awareness

Windows & Linux

Tools

WLST

Jenkins

Ansible

Git

Bitbucket

ITIL

Job description

• Administer Enterprise Middleware Platforms
  • Install, configure, administer, and support medium to large J2EE deployments, including WebLogic, WebSphere Application Server, IBM MQ, and Apache Tomcat.
• Manage Middleware Upgrades and Migrations
  • Plan and execute middleware upgrades, migrations, and patching activities across Windows and Linux environments.
• Support Production Environments
  • Provide production support for WebLogic, WebSphere, and MQ, troubleshoot incidents, handle outages, and ensure compliance with agreed service levels.
• Manage Application Deployments and Availability
  • Deploy and maintain applications on WebLogic, ensuring load balancing, high availability, failover, and reliable application performance.
• Configure Application Server Integrations
  • Generate and propagate WebSphere plug‑ins to enable communication between application servers and front‑end web servers in local and remote configurations.
• Develop Automation Scripts
  • Create and maintain WLST, Shell, and Bash scripts for code deployments, monitoring, health checks, domain creation, and middleware administration.
• Optimize Middleware Infrastructure
  • Perform performance tuning, troubleshooting, and horizontal and vertical scaling of middleware platforms across diverse enterprise environments.
• Ensure Operational Governance and Collaboration
  • Meet SLA commitments, follow ITIL procedures, collaborate with stakeholders, and comply with ethics, data security, and information protection policies.

Requirements

• Banking Domain Experience
  • Previous experience working in banking environments, preferably supporting business‑critical enterprise applications and middleware platforms.
• Enterprise Middleware Expertise
  • Extensive knowledge of enterprise client/server technologies, with strong hands‑on experience administering and supporting WebLogic.
• WebLogic and WebSphere Administration
  • Practical experience with WebLogic, WebSphere Application Server, IBM MQ, and J2EE‑based applications in Windows and Linux environments.
• Middleware Upgrades and Migrations
  • Proven experience managing middleware upgrades, migration projects, deployments, and patching activities across enterprise environments.
• Production Support and Incident Management
  • Experience supporting production middleware environments, resolving critical incidents, handling outages, and meeting agreed SLAs.
• Application Deployment and Availability
  • Knowledge of application deployments, load balancing, high availability, failover mechanisms, and application server integrations.
• Scripting and Automation Skills
  • Strong Shell or Bash scripting skills, with experience using WLST to automate deployments, monitoring, health checks, and domain creation.
• Performance Optimization and Troubleshooting
  • Experience installing, configuring, performance tuning, scaling, and troubleshooting middleware software across different operating systems and hardware platforms.

What we offer

• B2B Contract
  • Employment based on a B2B contract
• Stable and Dynamic International Firm
  • Opportunity to work in a stable, dynamically developing international company
• Engaging Projects and Latest IT
  • Chance to participate in interesting projects and work with the latest information technologies
• Competitive Rates
  • Attractive remuneration rates offeres
• Renowned International Projects
  • Involvement in the most prestigious international project
• MultiSport and Private Medical Care
  • MultiSport and Private Medical Care

Nice to have

• DevOps Tooling
  • Exposure to Jenkins, Ansible, Git, and Bitbucket.
• ITIL Knowledge
  • Familiarity with ITIL concepts, procedures, and service management practices.
• Communication and Analytical Skills
  • Excellent communication, analytical, debugging, and interpersonal skills.

Work with us