L2 Application Support Engineer
4500 - 5500 SGDRapsys Technologies
Responsibilities
Incident & Application Support
● Provide second-line (L2) support for production and staging systems, handling
escalations from L1 Support.
● Investigate application errors, system alerts, performance degradation, and
integration issues.
● Restore services within agreed SLA/OLA timelines and ensure proper incident
closure.
Troubleshooting & Root Cause Analysis
● Perform in-depth troubleshooting using logs, metrics, and monitoring tools.
● Conduct root cause analysis (RCA) for recurring or high-impact incidents.
● Propose and implement corrective and preventive actions to reduce incident
recurrence.
Collaboration & Escalation
● Work closely with L3 engineers, DevOps, and vendors to resolve complex technical
issues.
● Provide clear technical findings, logs, and evidence when escalating issues.
● Participate in incident bridges, post-incident reviews, and operational discussions.
Operational Excellence
● Monitor system health, alerts, dashboards, and logs to proactively identify issues.
● Execute approved configuration changes, patches, and operational fixes.
● Support deployment, release, and maintenance activities when required.
● Contribute to automation of operational tasks, monitoring, and alerting where
applicable.
● Identify gaps in runbooks, SOPs, and operational processes and drive improvements.
Documentation
● Maintain and update runbooks, troubleshooting guides, and knowledge base
articles.
● Document incident resolutions and operational procedures clearly and accurately.
Security & Compliance
● Adhere to security, access control, and compliance requirements.
● Handle sensitive information in logs, tickets, and systems appropriately.
● Support audits, vulnerability remediation, and compliance checks when required.
Key Experiences and Qualifications We Seek
Educational Background:
● Diploma or higher in Computer Science, Information Technology, or a related field.
Professional Experience:
● 3–5+ years of relevant experience in application support, systems support, or
operations roles.
● Experience supporting production systems in a high-availability or mission-critical
environment.
Technical Expertise:
● Strong hands-on experience with:
○ Application log analysis and monitoring tools (e.g. AWS CloudWatch, Grafana, ELK, Google Analytics, etc)
○ Linux/Unix environments
● Working knowledge of cloud platforms (e.g. AWS services such as ECS, Lambda, S3, RDS).
● Basic database knowledge (MySQL, PostgreSQL) for health checks and simple queries.
● Basic knowledge on REST APIs, system integrations and authentication design
● Understanding of incident, problem, and change management processes.
Problem-Solving Skills:
● Strong analytical and troubleshooting skills.
● Ability to break down complex incidents into clear, actionable steps.
● Calm and methodical approach when handling production issues under pressure.
Operational Practices:
● Familiarity with ticketing and incident management tools (e.g. Jira, PagerDuty).
● Experience working with runbooks, SOPs, and on-call support rotations (if applicable).
Additional Skills (Bonus Points):
● Experience supporting cloud-native or microservices-based systems.
● Basic scripting skills (e.g. Bash, Python) for automation.
● Experience working in government, regulated, or large-scale enterprise environments.
● Knowledge of disaster recovery and business continuity planning.
Character Traits We Look Out For
● Team player with a collaborative mindset
● Strong sense of ownership and accountability for system reliability
● Proactive in identifying and addressing operational issues
● Willingness and ability to learn and adapt to new systems and tools
● Openness to sharing knowledge and improving team capability
● Clear verbal and written communication skills, including incident reporting
6000 - 7500 SGD
...Computer Science, Information Technology, or a related field. Professional Experience: ● 3–5+ years of relevant experience in application support, systems support, or operations roles. ● Experience supporting production systems in a high-availability or mission-critical environment...3500 - 4500 SGD
...We are seeking a motivated L2 Application Support Engineer to join our operations and support team. You will play a critical role where you will manage incident investigations, perform deep technical troubleshooting, and help maintain high availability and performance across...5000 - 6400 SGD
...Diploma or higher in Computer Science, Information Technology, or a related field. · Minimum 3–5+ years of relevant experience in application support, systems support, or operations roles. · Experiences supporting production systems in a high-availability or mission-critical...7500 - 10000 SGD
...Job Description As a L2 resource of his /her team, he /she : Supports his/her team during diagnosis when technical issues rise in his/her scope of expertise... ...to maintain the availability and reliability of applications in accordance to the SLA, reviews technology...4000 - 5700 SGD
...Application Support & Incident Management Level 2 Support Stakeholder & Vendor Coordination Responsibilities Manage and resolve application incidents, service requests, and system issues within SLA timelines. Monitor application performance, interfaces, and...4500 - 5500 SGD
...What You’ll Do Provide L2 support for production/staging systems; handleL1 escalations Investigate errors, alerts, performance issues... ...incident documentation What You Bring ~3–5+ years in application/system support (mission‑critical environments) ~ Strong in log...6500 - 9500 SGD
...Provide L2 production support for 24x7 on Core Banking applications. Recent experience in working with Java J2EE applications Good understanding of core banking and banking operations is highly desirable. Prior experience with Sunline Core Banking would be a strong...3500 - 4500 SGD
...Key Responsibilities Incident & Application Support L2 Technical Support: Provide dependable second-line (L2) technical support for production... ...Cross-Functional Teamwork: Partner closely with L3 engineers, DevOps teams, and external vendors to troubleshoot and resolve...5000 - 8000 SGD
...Job Overview We are looking for an experienced Application Support Engineer to support critical digital platforms across web, mobile, and kiosk environments... ...Strong experience in application / production support (L2/L3) Proven ability in incident management and root...5000 - 9000 SGD
...Position Overview We are looking for a dedicated application support engineer to provide technical support and ensure timely resolution of user issues. The role involves monitoring system, handling service requests, troubleshooting of incidents and escalating the incident...3500 - 4000 SGD
...Functional Support: Understand business needs and translate them into technical requirements. Analyze and design for new enhancements... ...and functionality. Technical Support: Assist with Java application development and troubleshooting after post-implementation....6000 - 8000 SGD
...Application Support Engineer We’re looking for a hands-on Application Support Engineer to support critical digital platforms across web, mobile, and kiosk environments. This role is suited for someone who enjoys deep troubleshooting and takes ownership of production issues...3500 - 5000 SGD
...Role Summary: The Application Technician/Engineer’s main role is to conduct evaluations and testing for material, equipment and products. They are the key person in the application and support department, helping R&D in testing equipment and assisting sales persons in the...3300 - 4500 SGD
...We are seeking an IT Support Engineer (L1/L2) to support our HQ and multiple outlets across Singapore, with occasional support for Malaysia... ...Initial configuration User profile setup Security baseline application ● Handle user onboarding/offboarding, access provisioning,...8000 - 14000 SGD
...We are seeking L2 and L3 Infrastructure Support Engineers to join our projects team delivering a large-scale enterprise virtualisation transformation for a major Singapore banking client. This programme centers on VMware to Hyper-V migration, datacentre transformation, and...4000 - 5500 SGD
...We are looking for a skilled Application Engineer (Day 2 Support) to support the day-to-day operations, stability, and performance of enterprise applications... ...meet business SLAs. Job Description: Provide L1 / L2 (Day 2) support for production and non-production environments...3500 - 5000 SGD
...Provide machine operation training to customers Support pre-sales technical activities and application demonstrations Conduct customer visits and provide... ...Job Requirements ~ Diploma or Degree in Mechanical Engineering or equivalent ~1–3 years of relevant experience in...7000 - 10000 SGD
...setup, product owners and business team to develop, build & support application. Develop, test, and debug automated tasks (Apps, Systems,... ...Kubernetes/PCF/Openshift/AWS etc. Experience in site reliability engineering in one of the following languages: Python, Java, PowerShell,...4000 - 5000 SGD
...based solutions. # Collaborate with a group of software engineers, business analysts, and software architects throughout the full SDLC. # Deploy software application to production and provide post-implementation support. # Ensure development best practices and standards...2500 - 3000 SGD
...hardware, software, and basic network issues, and provide user support. Assist in troubleshooting and supporting peripheral devices... ...equipment. Provide support for basic web-based and in-house applications. Update and maintain IT Service Request (ITSR) cases with proper...3500 - 6500 SGD
...Key Responsibilities: Provide L2 application support for Java-based applications used in banking operations. Troubleshoot and resolve application... ...scheduled releases. Escalate complex issues to senior engineers or development teams. Required Skills & Qualifications:...6000 - 9000 SGD
...Experience in application support role for min 5 years for support and good knowledge of Java, Unix/Linux, SQL Recent experience in working with Java J2EE applications Experience in Unix commands , SQL queries Experience in programming languages such as JAVA/J2EE....7500 - 11250 SGD
...We are looking for an experienced AS400 Application Support Engineer to provide support and maintenance for AS400-based applications. The candidate should have strong analytical skills, hands-on experience in Smart400 and PolisyAsia/Polisy400, and the ability to work independently...3500 - 5500 SGD
...Provide L1 / L2 support for banking applications and systems, including troubleshooting and resolving technical issues. Monitor system performance, detect anomalies, and ensure uptime and availability of services. Handle incident tickets, escalations, and ensure timely...3000 - 6000 SGD
...Responsibilities Provide Level 2 production support for business applications and batch jobs Monitor applications, troubleshoot incidents, and ensure SLA compliance Support and maintain Java/J2EE applications in Linux/Unix environments Develop and maintain Python...- ...Recent experience in working with Java J2EE applications Experience in application support role for min 1 years for support or Developers willing to learn with good knowledge of Java, Unix, SQL Experience in programming languages such as JAVA/J2EE. Experience in Unix...
5000 - 6500 SGD
...Role Overview We are seeking an experienced Application Maintenance Engineer to support the System for a long-term application maintenance and support engagement. The candidate will provide Level 2 and Level 3 support, ensuring the availability, stability, performance,...4500 - 6500 SGD
...clients from the government sector. We are hiring a Data Engineer to provide Ops and production support and enhancements for Data warehouse / Datamart... ...prioritise user queries and production issues for existing applications in Engineering and Operations, coordinating with team...4500 SGD
...Manage and support the exchange’s business systems, ensuring smooth day-to-day operations and continuous system enhancements as part... ...Requirements: Degree in Computer Science, Mathematics, Physics or Engineering Exposure to the full software development life cycle (SDLC)...5800 SGD
...Responsibilities : As an Application Support Engineer, you will be responsible for acting as software detectives, providing a dynamic service by identifying and solving issues within multiple components of critical business systems. You are expected to perform independently...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to L2 Application Support Engineer. Be the first to apply!
