Alok Kumar · Senior AWS DevOps Engineer · 5+ yrs
Mid-LevelAbout Alok
Alok Kumar is a seasoned DevOps Engineer with a decade of experience in building and deploying CI/CD pipelines and Infrastructure as Code (IaC) solutions. He has a proven ability to optimize system performance and security while mentoring junior engineers in DevOps methodologies. His expertise spans across various technologies including AWS, Kubernetes, and Terraform, making him a valuable asset for any team focused on cloud resource management and automation.
Core expertise
Additional skills(12)
Why hire Alok?
Implemented CI/CD pipelines and infrastructure automation using AWS, Kubernetes, and Terraform.
Mentored junior engineers, fostering collaboration and promoting DevOps practices within teams.
Established monitoring solutions with Prometheus and Grafana, including proactive alerting.
Contributed to enhanced security posture by implementing least privilege access controls with IAM.
WCDMA throughput optimization (1.3/3.6 Mbps)
CSCF + TAS VoIP/IMS node debugging
Project highlights(4)
Digital Payments Infrastructure – DevOps Engineer
Overview: Served as a DevOps Engineer for a client, focusing on infrastructure, CI/CD, monitoring, and security. Responsibilities: Led Infrastructure & Cloud Optimization using Terraform for IaC on AWS, managing Amazon EKS and serverless applications with Lambda. Drove Continuous Delivery & DevOps Culture by implementing Jenkins for CI/CD pipelines and mentoring junior engineers. Managed Monitoring & Performance Optimization with Prometheus and Grafana, identifying bottlenecks and setting up proactive alerts.
Key outcomes:
Implemented IaC for AWS infrastructure including EKS and S3 provisioning.
Established CI/CD pipelines using Jenkins.
Set up advanced monitoring with Prometheus and Grafana, enabling proactive alerting.
VoIP/IMS Network Testing – Test Engineer
Overview: Specialized in VoIP/IMS network testing, analysis, and troubleshooting, with a focus on VoLTE and SIP functionalities. Responsibilities: Conducted VoLTE testing, analyzed logs to identify and diagnose failure causes. Debugged issues on CSCF and TAS nodes using VoLTE logs for resolution. Escalated incorrect SIP error code mapping impacting TAS announcement mapping. Executed feature testing for N-TAS, A SBC, and 5G functionalities.
Key outcomes:
Conducted comprehensive VoLTE testing and log analysis to diagnose failures.
Debugged critical issues on CSCF and TAS nodes.
Network Optimization – Network Engineer
Overview: Focused on network configuration, monitoring, and optimization, specifically for 3G/2G WCDMA networks. Responsibilities: Defined nominal neighbour lists for 3G-3G and 3G-2G connections across the market. Established drive routes for each network cluster. Regularly analyzed data from 'golden routes' and implemented network adjustments to address performance issues.
Key outcomes:
Defined network neighbour lists and established drive routes for optimal configuration.
Contributed to the successful launch of a major WCDMA network.
Nokia – Network Engineer (Quality Engineer)
- Focused on network configuration, monitoring, and optimization, specifically for 3G/2G WCDMA networks.
- Defined nominal neighbour lists for 3G-3G and 3G-2G connections across the market.
- Established drive routes for each network cluster.
- Regularly analyzed data from "golden routes" and implemented network adjustments to address performance issues (primarily throughput concerns).
- Contributed to the successful launch of the Pune WCDMA network on the 2100 MHz frequency.
- Assisted in achieving peak high-speed throughput of 1.3 Mbps on standard phones and 3.6 Mbps on smartphones.
Key outcomes:
Defined network neighbour lists and established drive routes for optimal configuration.
Implemented network adjustments based on performance data analysis.
Contributed to the successful launch of a major WCDMA network.
Helped achieve peak high-speed throughput of 1.3 Mbps on standard phones and 3.6 Mbps on smartphones.
5+ years of industry experience
- •VoIP/IMS Network Testing— Test EngineerVoLTE · SIP
- •Digital Payments Infrastructure— DevOps EngineerAWS · Kubernetes · Terraform · Jenkins +2
- •Digital Payments Infrastructure— DevOps EngineerAWS · Kubernetes · Terraform · Jenkins +2
At a Glance
Single contract. Billed in USD.
Typically responds within 4 business hours.
Top Skills
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Alok Kumar
Python Developer