Principal Support Engineer with Java,Linux (Lead II - Software Engineering)

Join to apply for the Principal Support Engineer with Java,Linux (Lead II - Software Engineering) role at UST

Principal Support Engineer with Java,Linux (Lead II - Software Engineering)

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Join to apply for the Principal Support Engineer with Java,Linux (Lead II - Software Engineering) role at UST

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About The Role

We are looking for an experienced Principal Support Engineer, with minimum 10 + years of relevant experience to take full ownership of critical client-facing platform support, ensuring system reliability and availability. In this role, you will manage high-severity incidents, coordinate cross-functional teams for software releases, and maintain a flagship Java-based platform with a large user base. The ideal candidate thrives in complex, multi-team environments and excels at collaboration and troubleshooting.

Role Description

Job Title: Principal Support Engineer

Location: London- Hybrid working model

Permanent role| Immediate

Job Title: Principal Support Engineer

Location: London- Hybrid working model

Permanent role| Immediate

About The Role

We are looking for an experienced Principal Support Engineer, with minimum 10 + years of relevant experience to take full ownership of critical client-facing platform support, ensuring system reliability and availability. In this role, you will manage high-severity incidents, coordinate cross-functional teams for software releases, and maintain a flagship Java-based platform with a large user base. The ideal candidate thrives in complex, multi-team environments and excels at collaboration and troubleshooting.

Key Responsibilities

• Own and manage support incident tickets, software patch releases, and overall system availability for a client-facing platform with 20,000 users.
• Support a flagship Java 8 platform running on Tomcat, maintaining its performance and stability.
• Triage and prioritize incoming support incidents to ensure timely resolution.
• Communicate progress and resolution updates clearly to all stakeholders.
• Lead root cause analysis and document findings to prevent recurrence.
• Coordinate release activities across infrastructure, information security, and development teams for critical platform updates.
• Participate in weekend or out-of-hours production deployments, with the majority of work during normal office hours.
• Manage User Acceptance Testing (UAT) sign-offs and readiness assessments for production go-lives.
  
  

• Proven experience supporting production systems with 100+ users.
• Demonstrated success in bringing together multiple teams (infrastructure, architecture, info security) to build strong collaborative relationships.
• Experience managing and upgrading legacy systems running on Linux/Unix and Windows servers.
• Proficient in Linux OS commands for troubleshooting.
• Skilled in managing support incidents using ticketing systems such as ServiceNow or Jira.
• Strong experience maintaining production applications using Java and Tomcat, including JAR package management.
• High-level understanding of Java web applications, network security, and routing for troubleshooting purposes.
• Experience running CI/CD pipelines and automated deployments.
  
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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