Senior Delivery Architect, Enterprise Networking & Security

Singtel; Singapore; On-site; Confidential; Full time

Job summary

A leading telecommunications company in Singapore is seeking a Senior Delivery Architect to design and deliver complex network solutions for enterprise customers. This role requires expertise in WAN, LAN, routing, and security, along with excellent collaboration and presentation skills. The ideal candidate will thrive in a fast-paced environment while managing multiple priorities to ensure successful project delivery.

Qualifications

• Proven experience in network design and delivery with strong expertise in WAN, LAN, routing and security.
• Strong understanding of network security, cloud, automation principles, frameworks, and best practices.
• Ability to manage large-scale, complex network design deployments.

Responsibilities

• Design tailored WAN/LAN and security solutions.
• Oversee implementation from architecture to testing.
• Support pre-sales efforts and collaborative delivery.

Skills

Network design and delivery

WAN expertise

LAN expertise

Security knowledge

Cloud principles

Automation knowledge

Analytical and problem-solving

Presentation skills

Collaboration skills

Stakeholder management

Job description

An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every "hello" at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.

We are seeking a highly skilled Senior Delivery Architect to lead the design and delivery of complex network solutions for enterprise customers.

This role combines deep technical expertise, customer-facing skills, and cross-functional collaboration to ensure successful solution design, implementation, and operational readiness.

The Senior Delivery Architect will also play a key role in strategic design governance and internal capability building.

Customer Engagement & Communication

• Work closely with customer architects to understand requirements and design tailored WAN/LAN and security solutions.
• Attend weekly customer meetings to track progress and ensure design implementation aligns with expectations and timelines.
  
  

Solution Design & Delivery

• Develop detailed network designs (WAN, LAN, routing, security) and oversee implementation.
• Drive end-to-end delivery, from architecture through deployment and testing.
• Participate in the Design Council (internal and external) to review architecture, assess feasibility, and validate solutions through testing.
  
  

Internal Collaboration & Governance

• Support RFPs and pre-sales efforts, ensuring ESP’s capabilities address both Day 1 (setup) and Day 2 (operations).
• Collaborate with delivery and operations teams to address design challenges and align on best practices.
• Contribute to reusable frameworks, playbooks, and processes to improve consistency and scalability.
  
  

Operational Excellence & Escalation Support

• Ensure solutions are robust, secure, and scalable, meeting customer performance and availability requirements.
• Provide insights on Day 1 → Day 2 processes, ensuring smooth transitions into operational support.
• Be prepared to attend weekly calls outside of business hours when required to support global or regional customers.
• Provide on-call support during weekends or public holidays for critical escalations or coverage, ensuring minimal customer impact.
• Participate in RCA/RFO and to be presented to customer and internal management team.
  
  

Skills For Success

• Proven experience in network design and delivery, with strong expertise in WAN, LAN, routing, and security Cloud and Automation.
• Strong understanding of network security,cloud,automation principles, frameworks, and best practices.
• Demonstrated ability to manage large-scale, complex network design deployments and operations.
• Exceptional presentation skills for both customer engagements and internal management discussions.
• Excellent collaboration and stakeholder management skills across multiple teams and organizations.
• Ability to thrive in a fast-paced environment and manage multiple priorities simultaneously.
• Experience with Day 1 delivery and Day 2 operations processes is highly desirable.
• Strong analytical and problem-solving skills, with a focus on solution feasibility and long-term supportability.
• Flexibility to work during non-standard hours, weekends, or public holidays when business-critical escalations require support.