Senior System Administrator

ST ENGINEERING TRAINING & SIMULATION SYSTEMS PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Benefits offered by this job

Competitive remuneration

Comprehensive benefits

Job summary

ST Engineering Training & Simulation Systems invites an experienced Senior System Administrator to oversee operational support, maintenance and continuous improvement of enterprise applications and supporting infrastructure. You will manage incidents, changes and ensure secure, reliable systems aligned with business objectives.

Join a global technology group delivering defence, public safety and enterprise training solutions, with opportunities to work on cloud platforms and cutting-edge

Qualifications

• Diploma in Information Technology, Computer Science, Computer Engineering, Information Systems, or a related discipline.
• At least 4 years of experience supporting, maintaining, and operating enterprise or cloud-based application solutions.
• Proven experience managing application support, infrastructure operations, and business-critical systems in a production environment.
• Hands-on experience supporting cloud-hosted applications and infrastructure on AWS, Microsoft Azure, or Google Cloud Platform.
• Experience with Java technology stacks, including technologies such as Spring Boot and Apache Tomcat.
• Proficiency in administering and supporting relational database platforms, including MySQL, PostgreSQL, and Microsoft SQL Server.
• Familiarity with infrastructure automation, scripting, and system monitoring tools is advantageous.

Responsibilities

• Coordinate application support activities to ensure timely resolution of incidents, service requests, and user-reported issues.
• Establish and maintain support processes, service levels, and operational procedures to support business requirements.
• Plan, coordinate, test, and implement application and infrastructure changes in accordance with established change management processes.
• Oversee application maintenance activities, including patching, upgrades, releases, and configuration changes.
• Assess risks associated with system changes and ensure appropriate mitigation measures are implemented.
• Collaborate with stakeholders to schedule and communicate planned maintenance and release activities.

Skills

Cloud platforms (AWS/Azure/GCP)

Java stack (Spring Boot / Tomcat)

Relational databases (MySQL / PostgreS

Automation scripting

Education

Diploma in IT/CS/CE/IS

Tools

Apache Tomcat

MySQL

PostgreSQL

SQL Server

Job description

About ST Engineering

ST Engineering is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Our history spans more than 50 years, and our strategy is underpinned by our core values - Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture - from the people we hire, to working with each other, to our partners and customers.

About our Line of Business - Training & Simulation Systems

Our Training & Simulation Systems business has close to 40 years of experience in delivering innovative learning, training, and simulation solutions to customers in the defence, public safety and security, and enterprise domains. We envision to create a better future together through learning, training, and simulation.

Together, We Can Make A Significant Impact

We are seeking an experienced Senior System Administrator to oversee the operational support, maintenance, continuous improvement of enterprise applications and supporting infrastructure. This role combines application support management, incident and problem management to ensure systems remain secure, reliable and aligned with business objectives.

Be Part of Our Success

• Coordinate application support activities to ensure timely resolution of incidents, service requests, and user-reported issues.
• Establish and maintain support processes, service levels, and operational procedures to support business requirements.
• Plan, coordinate, test, and implement application and infrastructure changes in accordance with established change management processes.
• Oversee application maintenance activities, including patching, upgrades, releases, and configuration changes.
• Assess risks associated with system changes and ensure appropriate mitigation measures are implemented.
• Collaborate with stakeholders to schedule and communicate planned maintenance and release activities.

Qualities We Values

• Diploma in Information Technology, Computer Science, Computer Engineering, Information Systems, or a related discipline.
• At least 4 years of experience supporting, maintaining, and operating enterprise or cloud-based application solutions.
• Proven experience managing application support, infrastructure operations, and business-critical systems in a production environment.
• Hands-on experience supporting cloud-hosted applications and infrastructure on AWS, Microsoft Azure, or Google Cloud Platform.
• Experience with Java technology stacks, including technologies such as Spring Boot and Apache Tomcat.
• Proficiency in administering and supporting relational database platforms, including MySQL, PostgreSQL, and Microsoft SQL Server.
• Familiarity with infrastructure automation, scripting, and system monitoring tools is advantageous.

Our Commitment That Goes Beyond the Norm

• An environment where you will be working on cutting-edge technologies and architectures.
• Safe space where diverse perspectives are valued, and everyone's unique contributions are celebrated.
• Meaningful work and projects that make a difference in people's lives.
• A fun, passionate and collaborative workplace.
• Competitive remuneration and comprehensive benefits.