Senior ELV Presales Engineer - Solutions Architect

ONESYSTEMS TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

ONESYSTEMS TECHNOLOGIES PTE. LTD. is seeking a Senior Presales Engineer (ELV) to own end-to-end technical solutioning for CCTV, access control, intrusion, PA/VA, and related integrated systems.

You will lead multi-site bids for mission-critical environments and engage with senior client stakeholders while mentoring junior presales staff. You will shape technical propositions, participate in bid strategy, and travel regionally to support expansion across APAC.

Qualifications

• More than 5 years of experience in ELV systems, leading technical proposals for complex deployments.
• Strong knowledge of ELV architecture and integration (CCTV, access control, intrusion detection, PA/VA).
• Experience engaging with clients and stakeholders on technical solutioning.
• Excellent command of English for technical docs and client communication.
• Willingness to travel regionally to support expansion.
• Mentoring and guiding junior presales engineers.

Responsibilities

• Own end-to-end technical solutioning for complex and multi-site ELV bids.
• Lead client-facing technical discussions at senior levels.
• Design system architecture and vendor/ platform tradeoffs.
• Lead site surveys and translate findings into robust designs.
• Mentor presales engineers and review BOQs/schematics.
• Contribute to RFP strategy and pricing input.
• Represent technically during bid processes with consultants and end clients.
• Maintain knowledge of leading ELV platforms and vendors.
• Support regional expansion with travel across APAC.
• Collaborate with engineering, project delivery, and sales teams.

Skills

ELV systems knowledge

Client engagement

Proposal leadership

Mentoring juniors

Education

Diploma/Bachelor's in Electrical/Electronic Engineering or related

Job description

ONESYSTEMS TECHNOLOGIES PTE. LTD. is seeking a Senior Presales Engineer (ELV) to own end-to-end technical solutioning for CCTV, access control, intrusion, PA/VA, and related integrated systems.

You will lead multi-site bids for mission-critical environments and engage with senior client stakeholders while mentoring junior presales staff. You will shape technical propositions, participate in bid strategy, and travel regionally to support expansion across APAC.