NRE/Network Architect

AVATAR MODERN TECHNO SERVICES PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

AVATAR MODERN TECHNO SERVICES PTE. LTD. seeks a seasoned Network Reliability Engineer to design, operate, and optimize hybrid and cloud networks across on-prem, SD-WAN, ACI, and major cloud platforms.

You will drive SRE practices, automation, observability, and rapid recovery to meet strict SLAs for mission-critical apps. You will define SLOs/SLIs, lead incident responses, and build self-healing network solutions while collaborating with DevOps, SRE, Cloud, Security, and Application teams

Qualifications

• Bachelor's degree in CS, Engineering, or related field.
• CCIE and/or CCNP certification preferred.
• Deep expertise in Routing (BGP/OSPF/EIGRP) and Switching (VLAN, VXLAN).
• Experience applying SRE principles: error budgets, toil reduction, automation.
• Proficient in Python scripting and Infrastructure as Code (Terraform, Ansible).
• Familiar with Prometheus, Grafana, Datadog, Splunk for observability.
• CI/CD experience with Jenkins and GitOps practices.
• Packet analysis using Wireshark and tcpdump.
• Excellent problem-solving and stakeholder management.
• Ability to work in a 24x7 global on-call rotation.

Responsibilities

• Design and implement highly reliable network infra.
• Define and track SLOs, SLIs and error budgets.
• Lead major incident response, RCA, and post-mortems.
• Implement blameless post-mortems and drive corrective actions.
• Build automation for provisioning, configuration, monitoring, and failover.
• Develop dashboards and logging with Prometheus, Grafana, Datadog, Splunk.
• Conduct capacity planning, performance tuning, and chaos testing.
• Collaborate on security posture, zero-trust, firewall policies and compliance.
• Work with DevOps, SRE, Cloud, Security, and App teams to embed reliability.
• Guide junior engineers and contribute to global knowledge sharing.

Skills

SRE principles

Network design

ACI

Network automation

Firewall

IaC (Terraform, Ansible, etc.)

Python scripting

CICD & Automation (Jenkins, GitOps)

Packet analysis (Wireshark, tcpdump)

Education

Bachelor's degree in Computer Science, Engineering, or related field

CCIE and/or CCNP certification

Tools

Prometheus

Grafana

Datadog

Splunk

Django

Terraform

Ansible

Jenkins

Wireshark

tcpdump

Job description

Job Summary

We are seeking a seasoned Network Reliability Engineer (NRE) with deep expertise in designing, operating, and optimizing hybrid & cloud network environments. You will focus on ensuring high availability, scalability, performance, and resilience of enterprise networks spanning on-premises data centers, SD-WAN, ACI, and major cloud platforms (AWS, Azure). This role combines network engineering with Reliability Engineering principle, emphasizing automation, observability, proactive incident prevention, and rapid recovery to meet stringent SLAs for mission-critical applications.

Responsibilities

• Design and implement highly reliable network infra.
• Define and track Service Level Objectives (SLOs), Service Level Indicators (SLIs) and error budgets.
• Lead major incident response,root cause analysis (RCA), and post-mortem reviews.
• Implement blamelesspost-mortems and drive corrective actions to prevent recurrence.
• Build automation scripts,tools, and self-healing mechanisms for network provisioning, configurationmanagement, monitoring, and failover.
• Develop and maintaincomprehensive dashboards, alerts, and logging using tools like Prometheus,Django, Grafana, Datadog, Splunk etc.
• Conduct network capacityplanning, performance tuning, and chaos engineering to validate resilience.
• Collaborate on network securityposture, zero-trust models, firewall policies, and compliance requirements.
• Work with DevOps, SRE, Cloud,Security, and Application teams to embed reliability into the developmentlifecycle.
• Guide junior engineers and contribute to knowledge sharing within the global team.

Requirements

• Bachelor Degree in Computer Science, Engineering, or related field (or equivalent experience).
• Preferred CCIE and/or CCNPcertification Core Networking
• Deep expertise in Routing (BGP,OSPF, EIGRP), Switching (STP, VLANs, VXLAN), Firewalls, Load Balancers, VPNs, and SD-WAN.
• Strong troubleshooting of complex Layer 2/3/4 issues.
• Experience applying SREprinciples (error budgets, toil reduction, automation).
• Proficiency in scripting(Python) and Infrastructure as Code (Terraform, Ansible, etc.).
• Prometheus, Grafana, Django,Datadog, etc.
• CI/CD & Automation -Jenkins, GitOps, Ansible.
• Packet analysis: Wireshark,tcpdump.
• Excellent problem-solving,communication, and stakeholder management
• Ability to work in a global,24x7 on-call rotation.

Must Have Skills

• Site Reliability engineering(SRE)
• Network Design and Engineering
• Cisco Application CentricInfrastructure (ACI)
• Network Automation
• Firewall
• Infrastructure as Code (IaC)