Network Reliability Engineer (NRE)

Job Description & Requirements 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 : · 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.