Network Reliability Engineer (NRE)

AVATAR MODERN TECHNO SERVICES PTE. LTD.; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

AVATAR MODERN TECHNO SERVICES PTE. LTD. in Singapore is searching for a talented Network Reliability Engineer (NRE) to enhance the reliability and performance of their hybrid and cloud networks. The role demands extensive experience in using automation tools like Ansible and strong knowledge of AWS and Azure environments. Candidates should have 7-12 years of experience in relevant fields and a Bachelor’s degree in Computer Science or related disciplines. This position includes participation in on-call rotations and major incident responses.

Qualifications

• 7–12 years of experience in Network Engineering, Network Security, or Cloud Networking.
• Proven experience operating production networks.
• Relevant certifications like CCNP/CCIE, AWS/Azure Networking are a plus.

Responsibilities

• Own reliability and performance of hybrid and cloud network services.
• Implement automation for network configuration and operational tasks.
• Collaborate with teams to achieve business KPIs.

Skills

Network Reliability Engineering (NRE)

Automation

AWS Networking

Azure Networking

Ansible

Education

Bachelor’s degree in Computer Science or Information Technology

Tools

Cisco ACI

F5

Datadog

Prometheus

Grafana

Job description

Position Summary

We are seeking a highly skilled Network Reliability Engineer (NRE) with strong hands‑on experience across hybrid and cloud network environments, including on‑premises data centers and AWS/Azure cloud platforms. The role focuses on reliability, availability, scalability, automation, and observability of network and security platforms using NRE/SRE principles, CI/CD practices, and deep API‑driven integrations. Also has performed Network domain automation using Ansible Automation Platform

Key Responsibilities

• Own end‑to‑end reliability and performance of hybrid and cloud‑connected network services.
• Apply Network Reliability Engineering(NRE) principles to reduce operational toil and improve service resilience.
• Design, implement, and continuously improve highly available hybrid and cloud network architectures.
• Perform deep technical troubleshooting and root cause analysis for complex network and security incidents.
• Build automation and self‑healing workflows supporting Day‑1, Day‑2, and Day‑N operations.
• Integrate infrastructure changes into CI/CD pipelines with proper testing, validation, and rollback.
• Define, monitor, and improve SLIs, SLOs, and error budgets for network services.
• Partner with cloud, security, application, and platform teams to meet business KPIs and KRAs.

Ansible Automation

• Develop, maintain, and optimize Ansible playbooks, roles, and inventories to automate network device configuration, deployment, and operational activities across multi‑vendor environments.
• Automate routine network tasks such as configuration management, backups, compliance checks, firmware upgrades, and provisioning to reduce manual effort and improve reliability.
• Translate network SOPs, runbooks, and BAU activities into reusable Ansible‑based automation workflows(Infrastructure‑as‑Code) for scalable and consistent execution.
• Implement event‑driven and self‑healing automation by integrating Ansible playbooks with monitoring systems, APIs, and ITSM tools to enable automated remediation and faster incident resolution.
• Ensure network consistency and compliance by using Ansible to validate device state, detect configuration drift, and enforce standardized configurations across network infrastructure.

Hybrid, Cloud & Data Center Networking

• Hands‑on experience supporting Cisco ACI fabrics integrated with hybrid connectivity models.
• Strong working knowledge of Cisco IOS‑XE and Cisco NX‑OS in enterprise and data center environments.
• Experience managing Cisco Wireless LAN Controllers (WLC).
• Practical experience with AWS networking including VPC design, routing, security groups, NACLs, Transit Gateway, VPN, and Direct Connect.
• Practical experience with Azure networking including VNets, UDRs, NSGs, VPN Gateway, ExpressRoute, and Azure Firewall.
• Understanding of hybrid connectivity patterns such as internet, MPLS, site‑to‑site VPN, client VPN, and secure cloud access.

Network Security & Proxy Platforms

• Hands‑on experience with enterprise firewalls: Check Point, Palo Alto, and Cisco Firepower (FTD).
• Experience using Algo Sec for firewall policy lifecycle management and automation across hybrid and cloud environments.
• Strong expertise with proxy and secure web gateway solutions including Bluecoat ProxySG (SGOS), BMC, and CAS.
• Cloud‑delivered security experience with Zscaler ZIA, ZPA, and ZTNA supporting hybrid and remote access models.

Application Delivery & Traffic Management

• Hands‑on experience with F5 VELOSchassis.
• Strong expertise in F5 LTM, GTM, and APM modules.
• Experience designing resilient application delivery for on‑prem and cloud workloads.

Monitoring, Observability & Telemetry

• Hands‑on experience with Datadog for monitoring hybrid and cloud network services.
• Experience with Cisco DNA Center (DNAC) for assurance and network automation.
• Experience with Forescout for network visibility, device profiling, and compliance.
• Strong experience building dashboards and alerts using Prometheus and Grafana.

Automation, CI/CD & Engineering Skills

• Strong experience with Ansible for network and security automation.
• Hands‑on experience integrating GitHub for version control, peer reviews, and change traceability.
• Experience building CI/CD pipelines for infrastructure and network changes.
• Experience using REST APIs, SDKs, CLI tools, and GUIs to integrate network, security, and cloud platforms.
• Experience developing tools, services, or dashboards using Python and Django.
• Ability to implement Infrastructure as Code (IaC) and automated validation workflows.

Skills & Competencies

• Strong reliability engineering mindset with focus on automation and scalability.
• Proven experience operating production hybrid and cloud network environments.
• Excellent troubleshooting and analytical abilities.
• Ability to translate business KRAs into measurable technical reliability objectives.
• Strong documentation, collaboration, and communication skills.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or equivalent experience.
• 7–12 years of experience across Network Engineering, Network Security, Cloud Networking, or NRE/SRE roles.
• Relevant certifications (CCNP/CCIE, AWS/Azure Networking, PCNSE, CCSA/CCSE, F5) are a plus.

Work Environment

This role includes on‑call rotations, participation in major incident response, CI/CD‑driven change management, and collaboration with global teams supporting enterprise hybrid and cloud network platforms.