Technical & Pre-Sales Engineer

3SI PTE. LTD.; Singapore; On-site; SGD 65,000 - 90,000; Full time

Job summary

3SI PTE. LTD. in Singapore seeks a Technical Consultant to engage customers, assess requirements, and design integrated security and ICT solutions.

The role includes tender management, documentation, and collaboration with suppliers to ensure compliant, scalable architectures. You will support the sales team with technical proposals, POCs, and rapid response to customer inquiries. Applicants should be able to conduct site surveys, prepare BOQs and drawings, and present technical concepts to

Qualifications

• Possess a valid Class 3 driving licence (preferred).

Responsibilities

• Engage customers to understand operational and technical requirements.
• Conduct site surveys and technical assessments.
• Recommend suitable security and ICT solutions based on customer needs.
• Provide technical advice during customer meetings and presentations.
• Design integrated security solutions that comply with customer specifications.
• Prepare system architecture diagrams and network topology.
• Develop BOQs, equipment schedules, and technical compliance matrices.
• Ensure solutions are scalable, reliable, and cost-effective.
• Review tender documents, specifications, drawings, and contract requirements.
• Prepare technical proposals, method statements, and compliance documents.
• Coordinate with suppliers and manufacturers for quotations and technical support.
• Assist the commercial team in preparing competitive pricing.
• Ensure timely submission of tender documents.
• Provide technical support for CCTV & VMS, ACS, PSIM Platforms, AI Video Analytics, PIDS, Intercom, Intrusion Alarm, Cabling & Networking, Server & Storage, Cybersecurity, Data Centre Security, and critical infrastructure solutions.
• Liaise with technology partners for product selection and pricing.
• Obtain technical documentation, certifications, and compliance statements.
• Coordinate proof-of-concept demonstrations where required.
• Stay updated on new technologies and product releases.
• Provide technical support to the sales team during customer engagements.
• Conduct internal product training sessions.
• Support project teams during project handover.
• Assist with technical clarifications during project execution.
• Prepare and maintain technical proposals, BOQs, compliance matrices, system architecture drawings, network diagrams, datasheets, equipment schedules, technical specifications, method statements, risk assessments, testing & commissioning plans, and O&M documentation where required.
• Keep abreast of emerging technologies and industry standards.
• Maintain professional certifications from key technology partners.
• Develop standard proposal templates and reusable technical documentation.
• KPIs: technical proposals submitted on time, tender technical compliance rate, tender win rate, accuracy of BOQs, number of technical presentations, response time to technical inquiries, and new technologies introduced.

Job description

Possess a valid Class 3 driving licence (preferred).

Key Responsibilities

Technical Consultation

• Engage customers to understand operational and technical requirements.
• Conduct site surveys and technical assessments.
• Recommend suitable security and ICT solutions based on customer needs.
• Provide technical advice during customer meetings and presentations.

Solution Design

• Design integrated security solutions that comply with customer specifications.
• Prepare system architecture diagrams and network topology.
• Develop Bills of Quantities (BOQ), equipment schedules, and technical compliance matrices.
• Ensure solutions are scalable, reliable, and cost-effective.

Tender & Proposal Management

• Review tender documents, specifications, drawings, and contract requirements.
• Prepare technical proposals, method statements, and compliance documents.
• Coordinate with suppliers and manufacturers for quotations and technical support.
• Assist the commercial team in preparing competitive pricing.
• Ensure timely submission of tender documents.

Product & Technology Expertise

Provide technicalsupport for:

• CCTV & Video Management Systems (VMS)
• Access Control Systems (ACS)
• PSIM Platforms
• AI Video Analytics
• Perimeter Intrusion Detection Systems (PIDS)
• Intercom Systems
• Intrusion Alarm Systems
• Structured Cabling & Networking
• Server & Storage Infrastructure
• Cybersecurity Solutions
• Data Centre Security
• Airport, Seaport & Critical Infrastructure Security Solutions

Vendor & Supplier Management

• Liaise with technology partners for product selection and pricing.
• Obtain technical documentation, certifications, and compliance statements.
• Coordinate proof-of-concept (POC) demonstrations where required.
• Stay updated on new technologies and product releases.

Internal Support

• Provide technical support to the sales team during customer engagements.
• Conduct internal product training sessions.
• Support project teams during project handover.
• Assist with technical clarifications during project execution.

Documentation

Prepare and maintain:

• Technical proposals
• BOQs
• Compliance matrices
• System architecture drawings
• Network diagrams
• Datasheets
• Equipment schedules
• Technical specifications
• Method statements
• Risk assessments
• Testing & commissioning plans
• O&M documentation where required

Continuous Improvement

• Keep abreast of emerging technologies and industry standards.
• Maintain professional certifications from key technology partners.
• Develop standard proposal templates and reusable technical documentation.

Key Performance Indicators (KPIs)

• Technical proposals submitted on time.
• Tender technical compliance rate.
• Tender win rate.
• Accuracy of BOQs and costing support.
• Number of technical presentations and customer engagements.
• Response time to technical enquiries.
• Number of new technologies introduced to the company.
• Product certification and training completion.
• Minimal design changes after project award.