Presales Consultant (IT Infrastructure, Network & Cybersecurity)

About Certis

Certis is a leading outsourced services partner that designs, builds, and operates smart, integrated solutions across security, facilities management, and customer experience. Headquartered in Singapore with a growing presence in Australia and Qatar, we harness the power of technology—from AI to Robotics—to deliver critical services that protect lives and enable communities to thrive.

At Certis, your work has purpose. You’ll be part of a mission that goes beyond operations—shaping safer, smarter, and better outcomes for people and businesses. We offer diverse career pathways, invest in your growth, and empower you to make a meaningful difference.

If you're ready to build the future, your journey starts here—with us.

Life at Certis

Power a Smarter, Safer World with Tech: We build purposeful solutions that serve, protect, and empower—driven by trust, powered by people.

Shape the Future: Take charge of your development and offering diverse opportunities across roles, borders, and technologies. Work alongside leaders who invest in your potential, and a culture that will take you further.

Where Purpose Meets Possibility: From safeguarding communities to shaping smarter, more sustainable futures, we’re committed to creating long-term value, not just for our customers, but for society and the environment.

Duties & Responsibilities

Position Summary

The Presales Consultant is responsible for designing, proposing, and presenting end-to-end technology solutions involving IT infrastructure, networking, cybersecurity, and electronic security systems. The role acts as the technical lead during the sales cycle, working closely with customers, sales teams, engineering teams, and technology partners to develop secure, scalable, and compliant solutions that meet business and operational requirements.

The candidate should possess strong knowledge of enterprise systems, network infrastructure, cybersecurity technologies, and integrated security platforms such as Access Control Systems (ACS), Video Management Systems (VMS), CCTV, Intercom Systems, Analytics Platforms, and Security Command Centres.

Key Responsibilities

1.Presales & Solution Consulting

• Engage customers to understand operational, business, and technical requirements.
• Conduct technical workshops, requirements gathering, and solution discussions.
• Develop solution architectures, technical proposals, scope of work, and bill of materials.
• Prepare tender responses, RFP/RFQ submissions, and technical compliance matrices.
• Present solution designs, value propositions, and demonstrations to customers.
• Conduct Proof-of-Concept (POC) activities and technical evaluations.
  
  2. IT Infrastructure Solutioning
• Design and size server, storage, virtualization, backup, and disaster recovery solutions.
• Architect high-availability and resilient infrastructure environments.
• Recommend cloud, hybrid-cloud, and on-premise deployment models.
• Ensure solution scalability, performance, and maintainability.
  
  3. Network & Security Architecture
• Design enterprise LAN, WAN, wireless, data centre, and security network architectures.
• Develop secure network segmentation and connectivity strategies.
• Recommend and integrate cybersecurity solutions such as: Firewalls, IDS/IPS, SIEM, PAM, IAM/Active Directory, Endpoint Security, WAF, VPN and Encryption Technologies
• Ensure cybersecurity compliance with customer and regulatory requirements.
  
  4. Electronic Security Systems Integration
• Design and integrate: Video Management Systems (VMS), Access Control Systems (ACS), CCTV Systems, Intercom Systems, Security Management Platforms, Command & Control Systems, Analytics and AI-enabled, Security Solutions, Body-Worn Camera Solutions
• Ensure interoperability between security systems and enterprise IT infrastructure.
• Design centralized monitoring and management platforms with role-based access controls and audit capabilities.
  
  5. Bid & Tender Support
• Support business development and account teams in pre-sales engagements.
• Develop technical proposals and pricing assumptions.
• Participate in customer presentations, clarifications, and tender interviews.
• Provide technical risk assessments and mitigation recommendations.
• Coordinate with vendors and technology partners for solution validation.
  
  6. Project Transition & Technical Governance
• Provide technical handover to project delivery teams.
• Support implementation planning and acceptance testing.
• Review design compliance, cybersecurity requirements, and operational readiness.
• Ensure documentation quality and technical governance standards are maintained.

Skills & Experience

1.Experiences

• Degree in Computer Science, Information Technology, Engineering, Cybersecurity, or related discipline.
• 3-8 years of experience in presales, solution architecture, or infrastructure consulting.
• Experience with enterprise infrastructure, networking, and cybersecurity technologies.
• Experience in integrated electronic security systems projects is highly desirable.
• Experience supporting government, critical infrastructure, or enterprise projects is an advantage.

2. Skills

• Technical Skills - Infrastructure: Windows/Linux Servers, VMware/Hyper-V, Storage & Backup Solutions, Cloud Platforms (Azure & AWS) | Networking: Routing & Switching, Wireless Networks, Network Monitoring & Management, SD-WAN | Cybersecurity: Next-Generation Firewalls, IDS/IPS, SIEM, PAM, Active Directory/IAM, Vulnerability Management, Security Hardening, Encryption Technologies | Electronic Security: Access Control Systems, CCTV/VMS Platforms, Intercom Systems, PSIM, Security Command Centre Platforms, AI Video Analytics, Integrated Security Platforms.
• Preferred Certifications - CISSP, CCNP, Microsoft Azure Solutions Architect.
• Key Competencies & Success Measures - Key Competencies: Solution Architecture & Design, Technical Consulting, Customer Engagement, Proposal & Tender Development, Technical Presentation Skills, Business Acumen, Stakeholder Management, Analytical & Problem-Solving Skills, Leadership & Team Collaboration | Success Measures: Bid Win Rate & Proposal Quality, Customer Satisfaction & Technical Credibility, Compliance with Cybersecurity & Infrastructure Standards, Successful Delivery Transition & Project Outcomes, Revenue Growth from Solution Opportunities.

Recognition & Reward