Job 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.

Skills & Experience:

• 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.

Optional: DevOps experience improving build and deployment pipelines.
Optional: Familiarity with Azure Log Analytics.
If interested please apply with your updated CV for an immediate discussion
#UST
Skills:
Java,Linux,service now
About Company:
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world's best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients' organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact--touching billions of lives in the process.

UST