Design Architect/ Technical Project Consultant

OPENSOURCE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

OpenSource Pte. Ltd. seeks a Design Architect / Technical Project Consultant to act as the technical authority for a major defence account.

You will govern architecture, lead design reviews, mentor engineers, and oversee vulnerability management to ensure secure, compliant delivery of medium to large-scale projects. You will provide expert technical guidance, drive incident root cause analysis, review security advisories, and support project planning, design, implementation and transition with

Qualifications

• Degree in Computer Science, Information Technology, Engineering, or related discipline.
• Minimum 4–6 years of experience in technical design, architecture, system integration, or infrastructure engineering.
• Certifications in architecture, data networking, security, cloud, or related technologies.

Responsibilities

• Lead Preliminary Design Reviews (PDR) and Critical Design Reviews (CDR).
• Review and approve technical designs to meet requirements.
• Provide architectural guidance for complex infrastructure solutions.
• Act as Level 3 escalation for incidents and provide troubleshooting guidance.
• Oversee vulnerability assessments and remediation strategies.

Skills

Presentation skills

Communication skills

Stakeholder management

Independence

Security clearance

Education

Bachelor’s degree in CS/IT/Engineering

Tools

Cisco networking

Alcatel-Lucent

Checkpoint firewall

Palo Alto

Fortinet

Cloud infrastructure

Job description

1. Job Summary

The Design Architect / Technical Project Consultant serves as the technical authority for a major defence account, providing architecture governance, technical leadership, project oversight, and escalation support. The role is responsible for ensuring solution designs meet operational, security, and business requirements while driving technical excellence across engineering teams. The incumbent will lead design reviews, validate implementation methodologies, mentor engineers, oversee vulnerability management activities, and contribute to the successful delivery of medium to large-scale projects.

2. Job Description

Architecture and Design Governance

• Lead and chair all Preliminary Design Reviews (PDR) and Critical Design Reviews (CDR).
• Review, evaluate, and approve technical solution designs to ensure compliance with customer, operational, and security requirements.
• Validate all Method of Procedures (MOPs) prior to implementation.
• Conduct technical proof-of-concept (POC) activities and solution demonstrations for customers and stakeholders.
• Provide architectural guidance and technical recommendations for complex infrastructure and system solutions.

Technical Leadership and Escalation Management

• Act as the Level 3 technical escalation point within the service tower for complex incidents and technical issues.
• Provide expert technical consultation and troubleshooting support to engineering teams.
• Drive root cause analysis and corrective actions for critical incidents.
• Review bug reports, firmware updates, security advisories, and vulnerability assessments to determine operational impact and remediation strategies.

Project Delivery and Consultancy

• Contribute technical expertise to projects involving complex systems, methodologies, and specialized technologies.
• Participate in the planning, design, implementation, and transition of medium to large-scale projects.
• Ensure technical deliverables are aligned with project objectives, scope, schedule, and quality requirements.
• Provide technical oversight throughout project execution.

3. Job Requirement:

• Degree in Computer Science, Information Technology, Engineering, or related discipline with minimum 4 to 6 years of experience in technical design, architecture, system integration, or infrastructure engineering.
• Relevant professional certifications in architecture, data networking (Cisco/ Alcatel Lucent, Firewalls (Checkpoint/ Palo Alto/ Fortinet firewall), cybersecurity, cloud, or infrastructure technologies.
• Conversant in multiple system products and solutions including server, storage, virtualization / cloud infrastructure, backup solutions, etc
• Experienced supporting large enterprise or defence-related environments.
• Knowledge in Vulnerability Assessment and Remediation
• Experience in SI environment preferred
• Stakeholder management
• Excellent Presentation and Communication Skills
• Required to work independently and make decisions with minimal supervision.
• Self-driven and motivated individual is required.
• Due to project requirements, security clearance will be needed.