Career Opportunities

If you would like to be part of O’Connor’s dynamic family that enjoys delivering mission critical solutions, drop us an email with
your detailed resume to hr@uel.sg.

Security and Sensors Division
LocationPosition
Toa PayohOCS-26-002 / System Designer
 

Description

Posting Date:  16 Sep 2026

The Job

We are seeking a System Designer with strong programming and system design expertise to bridge business needs with technical solutions. This role focuses on translating requirements into scalable, secure, and user-friendly application architectures and intuitive user experiences. You will collaborate closely with cross-functional teams to design, document, test, and validate systems across the full software development lifecycle, ensuring high performance, compliance with standards, and alignment with organizational goals.

Requirements:

  • Proficiency in programming languages such as Java, C#, Python, or JavaScript, with exposure to AI/ML models.
  • Strong understanding of the full software development lifecycle (SDLC).
  • Ability to design scalable, secure, and high-performance application architectures.
  • Experience gathering business requirements and translating them into technical specifications.
  • Knowledge of RESTful APIs, system integration, databases, and cloud platforms.
  • Familiarity with security, compliance, and industry best practices.
  • Strong analytical, documentation, and communication skills, with the ability to work independently and collaboratively.
Toa PayohOCS-26-003 / Technical Support Engineer
 

Description

Posting Date:  16 Sep 2026

The Job

  • Provide technical support for corrective and preventive maintenance activities in accordance with Service Level Agreements (SLA)
  • Troubleshoot technical issues and attend to customer service requests and enquiries
  • Perform installation, testing and commissioning of equipment at customer sites
  • Conduct scheduled preventive maintenance and monitor equipment performance to identify potential issues
  • Liaise with principals and suppliers on spare parts, technical matters and quotations
  • Prepare and submit Field Service Reports and other maintenance-related documentation
  • Conduct product demonstrations and provide technical guidance to customers
  • Maintain accurate records of service requests, maintenance activities and follow-up actions
  • Support scheduled on-call rotation and perform standby duties when required
  • Ensure all work activities comply with company governance and safe work procedures
  • Any other ad-hoc duties as assigned

Requirements

  • Minimum Diploma in Computer Engineering, Electronics Engineering or equivalent; candidates with relevant professional experience may also be considered
  • Minimum 3 years of relevant experience in technical support, field service, maintenance or a similar environment
Toa PayohOCS-26-004 / Systems Engineer
 

Description

Posting Date:  16 Sep 2026

The Job

  • Liaise with the Solutions team to understand system designs and technical requirements
  • Install, configure and maintain network devices, servers and backend systems at project sites
  • Troubleshoot technical issues involving servers, routers, switches, networks and IoT devices
  • Work with internal technical teams and vendors to diagnose and resolve system implementation issues
  • Prepare system diagrams, method statements and other technical documentation for project implementation
  • Ensure system designs and installations comply with contractual and technical requirements
  • Prepare test plans and conduct Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT)
  • Perform preventive and corrective maintenance on backend systems,
  • Support Project Managers and Engineers in the implementation and delivery of systems
  • Ensure all work activities comply with company safe work procedures
  • Any other ad-hoc duties as assigned

Requirements

  • Minimum Degree in Computer Engineering or related discipline
  • At least 3 years of relevant experience in a similar capacity
  • Hands-on experience in server/client configuration, network storage and IT networking
  • Strong troubleshooting knowledge of servers, routers, switches and IoT devices
  • Knowledge of Active Directory, Windows Server, VMware/virtualisation, networking, firewalls and cybersecurity
Toa PayohProject Engineer
 

Description

Posting Date:  16 Sep 2026

The Job

  • Coordinate security system installation, testing and commissioning
  • Configure CCTV and Access Control Systems
  • Monitor site progress and subcontractors
  • Prepare project documentation and drawings
  • Ensure works meet technical and safety requirements

Requirements

  • Degree in Engineering or related discipline
  • Minimum 3 years of relevant project experience
  • CCTV/security systems experience preferred
  • 1-year renewable contract.
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