Indranil Biswas
17 Years of Experience

Indranil Biswas

Networks, Cloud & DevOps Engineer

Senior Network, Cloud & DevOps Engineer with 17+ years of experience delivering enterprise and service provider infrastructure, including Telstra environments. Expert in Cisco and Juniper routing and switching configuration, with strong capabilities in hybrid cloud networking across Azure and AWS. Skilled in Infrastructure as Code (Terraform, Pulumi) and CI/CD automation to build scalable, secure, and highly available platforms. Proven track record in large-scale migrations, network optimisation, and accelerating deployment efficiency across complex environments.

View Experience Skills & Expertise




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About Me

Professional Summary

Senior Network, Cloud & DevOps Engineer with 17+ years of experience delivering large-scale infrastructure solutions across enterprise and service provider environments. Expert in Cisco and Juniper networking, with strong capabilities in cloud networking (Azure, AWS), hybrid architectures, and Infrastructure as Code (Terraform, Pulumi). Experienced in building CI/CD-driven automation pipelines, enabling faster, reliable, and repeatable deployments. Recognised for leading complex migrations, improving system resilience, and delivering secure, scalable, and cost-effective infrastructure solutions.


Career Journey

Professional Experience

17 years of delivering enterprise networking and cloud solutions at Telstra

Network Specialist

July 2024 - Nov 2025 & Feb 2026 - Till Date 📍 Telstra (Contractor) • Melbourne, Australia
  • Configured, validated, and troubleshot Cisco Catalyst, Nexus, and Juniper routing and switching platforms in enterprise and service-provider environments.
  • Implemented VLANs, VRFs, inter-VLAN routing, and First Hop Redundancy Protocols (HSRP/VRRP) to improve availability and fault tolerance.
  • Delivered Layer 2 resilience using STP/RSTP, ensuring seamless failover during maintenance and unplanned outages.
  • Designed and deployed OSPF and BGP routing to support internal and external connectivity requirements.
  • Led the migration of 3,000+ production links from 28 Cisco Catalyst switches to Nexus platforms, achieving sub-15-minute downtime windows.
  • Built and validated pre-production lab environments to test cabling, topology, routing behaviour, and failover prior to live cutovers.
  • Worked closely with vendors, architects, and operations teams to deliver cost-effective and scalable network solutions.

Cloud Infrastructure Engineer

Nov 2025 - Dec 2025 📍 Ignite Data Solutions (Contractor) • Melbourne, Australia
  • Validated, refactored, and optimized existing Pulumi Infrastructure-as-Code (IaC) used for deploying cloud-based data products in Azure environments.
  • Identified and removed redundant components (e.g., unused Function Apps), improving code maintainability, deployment efficiency, and cost alignment.
  • Enhanced and stabilized IaC pipelines, ensuring consistent and error-free deployments into client Azure environments.
  • Acted as a technical overseer for deployments (due to restricted access), collaborating with client teams to guide, validate, and ensure successful infrastructure provisioning.
  • Troubleshot and resolved VNet peering and routing issues, ensuring seamless integration with the client’s existing network topology (hub-spoke / enterprise setup).
  • Produced comprehensive technical documentation, including deployment steps, architecture insights, and troubleshooting guides for client handover.
  • Worked in a fast-paced engagement to deliver outcomes within a tight 1-month timeline, quickly understanding the existing codebase and environment constraints.

DevOps and Network Team Lead

January 2020 - June 2024 📍 Telstra (Contractor) • Melbourne, Australia
  • Led a team of 10 engineers across networking and DevOps initiatives
  • Designed and managed Cisco and Juniper configs supporting Telstra O2A applications
  • Delivered secure connectivity via VPNs, ACLs, DNS, and Load Balancers
  • Automated Cisco device configurations using Python & Ansible, reducing manual effort by 60%
  • Integrated CI/CD pipelines (GitHub Actions, Bamboo), cutting deployment times by 40%
  • Performed lab simulations of routing scenarios (BGP/OSPF/HSRP) prior to live deployments

Control Plane Engineering Team

May 2015 - December 2019 📍 Telstra (Contractor) • Melbourne, Australia
  • Migrated legacy infrastructure into VMware-based virtual environments
  • Performed DNS configurations, Linux OS builds, and patching
  • Automated routine tasks using Perl, Shell, and Python, boosting efficiency
  • Partnered with developers/testers to ensure network reliability and app performance

TID and EPIC Team

April 2008 - April 2015 📍 Telstra (Contractor) • Bangalore, India & Melbourne, Australia
  • Designed and supported networking and VMware-based enterprise solutions
  • Resolved infrastructure/network incidents, ensuring high uptime
  • Improved deployment speed with automation scripts
  • Delivered proactive performance monitoring and security updates

Technical Expertise

Core Skills

Comprehensive expertise across networking, cloud, and automation

🌐

Networking

  • Enterprise & Service Provider Networking (Cisco, Juniper)
  • Routing Protocols: BGP, OSPF
  • Layer 2/3 Design: VLANs, VRFs, STP/RSTP
  • High Availability: HSRP, VRRP
  • MPLS, QoS, Load Balancing
  • Network Security: ACLs, VPN (IPSec, GRE)
  • Network Monitoring: SNMP, Syslog
  • Network Services: DNS, DHCP, NAT
☁️

Cloud Platforms

  • Azure & AWS Cloud Architecture
  • VNet / VPC Design, Peering, Routing
  • Hybrid Cloud Networking
  • Azure Services: VMs, App Services, Storage
  • AWS Services: EC2, S3, Lambda, RDS, CloudFront
  • Kubernetes (EKS), Docker Containers
  • Cloud Security & Network Controls
⚙️

DevOps & Automation

  • Infrastructure as Code: Terraform, Pulumi
  • CI/CD Pipelines: GitHub Actions, Bamboo, Jenkins
  • Automation: Python, Ansible, Shell
  • Version Control: Git, GitHub, GitLab
  • Deployment Automation & Release Management
💻

Systems & Monitoring

  • Linux OS Administration
  • Linux System Builds
  • CI/CD Pipeline Implementation
  • Performance Monitoring
  • Infrastructure Automation
🤖

AI & Automation

  • Leveraged AI tools to accelerate IaC development and automation
  • AI-assisted troubleshooting and root cause analysis
  • Automated documentation and runbook generation using AI
  • Enhanced productivity in cloud and network engineering workflows
  • AI-assisted network configuration analysis

GitHub Projects

Key Cloud & Infrastructure Projects

Portfolio highlighting Terraform/Pulumi IaC, CI/CD automation, AWS & Azure deployments, and Kubernetes-ready cloud architecture.

View full GitHub portfolio

AWS Static CV Website – Terraform + GitHub Actions

  • Built and deployed a production-ready static CV website on AWS using Infrastructure as Code (Terraform) with CI/CD automation (GitHub Actions), S3, CloudFront, Route 53, ACM, and cache invalidation for repeatable releases.

AWS EKS (Kubernetes) Cluster – Pulumi (Python)

  • Automated provisioning of a Kubernetes-ready AWS platform using Pulumi (Python), implementing core cloud networking and security constructs (VPC, subnets, IAM) to support scalable, cloud-native workloads.

Azure Databricks – Terraform (IaC)

  • Created Terraform-based deployment for Azure Databricks infrastructure, enabling consistent, automated provisioning aligned with enterprise cloud standards and secure network integration patterns.

Azure Databricks – Pulumi (Python)

  • Implemented Pulumi (Python) automation for Azure Databricks provisioning to demonstrate multi-tool IaC capability and repeatable cloud environment builds.

Azure VM Scale Set – Pulumi (Python)

  • Automated Azure VM Scale Set provisioning using Pulumi (Python), supporting scalable compute deployment patterns and standardised infrastructure delivery.

Azure Web App – Terraform

  • Provisioned Azure Web App infrastructure using Terraform to demonstrate PaaS automation and environment consistency through Infrastructure as Code (IaC).

Multi-Cloud VM Provisioning – Terraform (AWS EC2 / Azure VM)

  • Built reusable Terraform templates to provision compute and baseline networking across AWS and Azure, supporting repeatable deployments and standardised infrastructure patterns.

Credentials

Certifications

Professional certifications and ongoing learning

🌐
CCNA (Cisco Certified Network Associate) 200-301
Certified • September 2025
🌐
JNCIA-Junos (Juniper Networks Certified Associate) JN0-105
Certified • January 2026
☁️
Azure Fundamentals AZ-900
Certified • February 2025
☁️
AWS Certified Cloud Practitioner CLF-C02
Certified • February 2026
🌐
JNCIS-ENT (Juniper Networks Enterprise Routing and Switching, Specialist)
In Progress
⚙️
HashiCorp Certified: Terraform Associate
In Progress

Education

Academic Background

🎓

Bachelor of Technology (B.Tech)

Graduated 2007

Major: Electronics & Communications Engineering

Sikkim Manipal Institute of Technology • Sikkim, India


Communication

Languages

🗣️

English

Professional Proficiency

🗣️

Bengali

Native Speaker

🗣️

Hindi

Fluent


Availability

Open to Opportunities

Open to Senior Network, Cloud, and DevOps Engineering roles across Melbourne and ANZ.
Experience in enterprise, telco, and cloud environments.
Available for contract and permanent opportunities.