Application Engineer (Security Management System)

HENDERSON SECURITY SERVICES PTE. LTD.; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A security services provider in Singapore is seeking an experienced Application Support Analyst to provide Level 2/3 support for Security Management Systems. Responsibilities include monitoring application performance, troubleshooting issues, and managing system integrations. Ideal candidates should have a Bachelor's degree in Computer Science, considerable experience in application support, and a strong understanding of ITIL processes.

Qualifications

• 5 to 7 years of experience in Application Support and IT Operations.
• Experience in monitoring/observability or DevOps.
• Hands-on experience with Windows and Linux/Unix server environments.

Responsibilities

• Provide Level 2/3 support for Security Management Systems.
• Monitor health and performance of applications.
• Plan and execute application deployments and upgrades.

Skills

Level 2/3 support

Application monitoring

Troubleshooting

Root Cause Analysis

System upgrades

Integration management

Documentation

Compliance checks

Scripting

ITIL processes

Education

Bachelor's degree in Computer Science or related field

Tools

Splunk

Grafana

Nagios

AppDynamics

ServiceNow

Ticketing tools

Job description

Responsibilities

• Provide Level 2/3 support for internal and external users of Security Management Systems and integrated applications.
• Monitor the health and performance of SMS applications using Splunk, Grafana, Nagios, and AppDynamics.
• Troubleshoot and resolve application issues related to access control, surveillance video feeds, alarms, and identity systems.
• Perform Root Cause Analysis (RCA) on recurring or critical incidents, documenting findings and remediation.
• Plan and execute application deployments, patching, hotfixes, and system upgrades with minimal downtime.
• Collaborate with physical security and software development teams to optimize performance and integrate new features.
• Manage and support integrations with Active Directory, LDAP, SAML, OAuth, and HR or credentialing systems.
• Implement and tune system alerts, dashboards, and automated checks to enhance monitoring and early incident detection.
• Maintain accurate and up-to-date documentation for system configurations, operational procedures, and support runbooks.
• Participate in on-call rotation for incident support and assist in emergency troubleshooting.
• Work with stakeholders to gather requirements, address functional issues, and ensure business needs are met.
• Coordinate with third-party vendors and OEM support for advanced troubleshooting and upgrades.
• Assist in user access management, compliance checks, and system audits for physical security environments.
• Ensure all support activities adhere to ITIL standards and security compliance frameworks.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 5 to 7 years of experience in Application Support and IT Operations, preferably in a security-critical environment.
• 3 to 6 years of experience in monitoring/observability, IT infrastructure, or DevOps.
• Proven track record of supporting enterprise-level applications in production, with performance and availability SLAs.
• Hands-on experience with Windows and Linux/Unix server environments.
• Proficiency in SQL for querying and analyzing data across systems like Oracle, MySQL, SQL Server.
• Practical expertise with:
  • Splunk (log ingestion, alerts, dashboards)
  • Grafana (dashboarding, metrics integration)
  • Nagios (service checks, plugin development)
  • AppDynamics (APM setup, performance monitoring)
• Direct experience supporting physical security platforms, including one or more of:
  • Genetec, LenelS2, Honeywell, Avigilon, Milestone, AMAG
• Understanding of security system architectures and protocols.
• Familiarity with identity and access management (IAM) systems and integrations.
• Experience with scripting languages such as Bash, Python, or PowerShell to automate monitoring and support tasks.
• Strong understanding of ITIL processes – Incident, Problem, Change Management.
• Experience using ticketing and workflow tools like ServiceNow or Remedy.
• Knowledge of web services (REST/SOAP), APIs, and integration best practices.
• Exposure to cloud platforms (AWS, Azure, GCP), Docker, and Kubernetes is a plus.
• Solid grasp of key system health metrics: CPU, memory, disk I/O, network latency, application uptime, and synthetic testing.