Lead Infrastructure Engineer - DMZ SD Network

JPMORGAN CHASE BANK, N.A.; Singapore; On-site; SGD 180,000 - 250,000; Full time

Job summary

JPMorganChase Bank, N.A. in Singapore seeks a DMZ Service Delivery Lead Infrastructure Engineer to join the Infrastructure Platform Network Services.

You will apply deep expertise across software, hardware, and processes to drive infrastructure excellence and cross-functional collaboration. The role emphasizes DMZ architecture, Cisco data centers, and routing protocols, with a strong automation and AI-assisted workflow component.

Qualifications

• Bachelor’s degree in a related field.
• 5+ years of network engineering and implementation experience in a large enterprise.
• DMZ architecture expertise and Cisco datacenter fabric experience.
• Strong knowledge of BGP, OSFP, EIGRP, VRF, TCP/IP, and ISP routing.
• Proficiency in Python/Ansible/Terraform/JSON for automation and DevOps workflows.
• Experience with microservices, CI/CD pipelines, and API understanding.
• Excellent communication, leadership, and cross-functional collaboration skills.
• Experience using enterprise AI capabilities to support infrastructure workflows with validation and auditability.

Responsibilities

• Build, deploy, migrate, and operate DMZ switching and routing environments.
• Troubleshoot DMZ switching and routing in designed networks.
• Develop and maintain automation scripts for device paving/repave and day‑to‑day tasks.
• Use AI-enabled capabilities while ensuring outputs are validated and data handled securely.
• Upgrade DMZ switches/routers with new code and software.
• Lead service delivery with vendor management and issue resolution.
• Apply reuse-first, AI-assisted practices to identify recurring issues and ensure auditable changes.

Skills

DMZ architecture knowledge

Networking routing protocols

Leadership & collaboration

Education

Bachelor’s Degree in Computer Science/Cybersecurity/Data Science or related

Tools

Python

Ansible

Terraform

JSON

Jenkins

Job description

Assume a vital position as a key member of a high-performing team that delivers infrastructure and performance excellence. Your role will be instrumental in shaping the future at one of the world's largest and most influential companies.

As a DMZ Service Delivery Lead Infrastructure Engineer at JPMorganChase within the the Infrastructure Platform (IP) Network Services, you apply deep knowledge of software, hardware, applications, and technical processes within the infrastructure engineering discipline. Continue to evolve your technical and cross-functional knowledge outside of your aligned domain of expertise.

Job Responsibilities

• Build, deploy, migrate, and operate network perimeter DMZ switching and routing environment.
• Support and troubleshoot DMZ Switching and routing designed networks.
• Deploy and maintain scripts for device pave/repave and automatize day to day tasks.
• Uses enterprise-authorized AI capabilities within the work environment to accelerate infrastructure analysis and design documentation, validating outputs and handling operational data according to sensitivity and security requirements.
• Upgrade DMZ switches and routers with new code and software.
• Service Delivery troubleshooting with T3 and vendor management.
• Applies reuse-first, AI-assisted practices within delivery and automation routines to identify recurring issues and validate remediation options, ensuring changes are traceable/auditable and aligned to resiliency and security expectations.

Required qualifications, capabilities, and skills

• Bachelor’s Degree in Computer Science, Cybersecurity, Data Science, or related disciplines
• 5+ years of network engineering and implementation experience within a large enterprise environment
• In-depth knowledge and experience on DMZ architecture and Cisco datacenter fabric
• In-depth knowledge and experience on BGP, OSFP, EIGRP, VRF, TCP/IP, ISP routing
• Software development experience in one or more general purpose programming/scripting/DevOps languages: Python, Ansible, Terraform, JSON
• Understanding of micro-services, CI/CD pipelines such as Jenkins, APIs
• Good communication and soft skills
• Strong work ethic with a results oriented mindset and strong critical thinking and problem solving skills
• Demonstrated leadership and collaboration skills in a large enterprise environment
• Demonstrated experience using enterprise-authorized AI capabilities within the work environment to support infrastructure engineering workflows with strong validation habits and awareness of data sensitivity.
• Ability to review and validate AI-assisted recommendations before implementation, escalating when uncertain and ensuring outcomes align to resiliency, security, and auditability expectations.

Preferred qualifications, capabilities, and skills

• Experience with network security technologies such as firewall, proxy, and load balancer
• Experience designing and supporting internet-facing services that traverse the DMZ
• CCIE certification is a plus
• Experience working with Agile methodologies like Kanban & Scrum
• Self-Starter who can take initiative and has the ability to work independently and collaboratively
• Organized and able to follow JPMC processes designed to minimize risk to the environment