Onkar Mane

Consultant | 8104170272 | Mumbai | onkarmane051@gmail.com | myportfolio-9v31.onrender.com | Linked IN

 

  Summary

       AWS Cloud professional with 8+ years of IT experience, including 5 years of hands-on experience in AWS cloud operations, IAM, security services, Windows Server, and Hyper-V environments. Proficient in Managing Windows Active Directory, including security groups and resource access

       Proficient in Managing Windows Active Directory, including security groups and resource access.

       Cleared 3X AWS certifications - AWS solutions architect associate (SAA-CO2) certification and AWS Developer associate (DVA-CO1) strong knowledge and hands on AWS cloud technology and services.

       Configuring and maintaining virtual machines on Hyper-V environment and knowledge in VMware.

       Strong Troubleshooting and Analytical skills.

       Proficient in in Python programming.

       Expert in OS Reinstallation and troubleshooting.

 

 

EDUCATION

Mumbai University

B.E in Information Technology 

Diploma in Computer Engineering 

 

 

CERTIFICATION:

       AWS Solutions Architect Professional

       AWS Solutions Architect Associate (SAA-C02)

       AWS Developer Associate(DVA-CO1)

 

 

 

WORK EXPERIENCE

Tata Consultancy Services

Consultant August 2025 - Present

       Managed AWS IAM access, including users, roles, policies, and permissions, applying least-privilege and AWS security best practices..

       Maintained AWS Security Hub security posture score of approximately 95% by reviewing findings and driving remediation of compliance issues..

       Performed AWS security hardening checks assigned by the IT Security team and supported remediation to improve the overall AWS security posture..

       Investigated AWS GuardDuty findings and SOC alerts; coordinated with Application and Security teams on remediation and approved security exceptions. .

       Performed EC2 instance resizing and right-sizing, along with routine AWS operational changes based on application requirements..

       Resolved and closed 20+ daily tickets across IAM access, security findings, EC2 operations, and other AWS service requests.

Yash Technologies

Consultant June 2024 - August 2025

       Managed Windows EC2 instances in AWS environment, optimizing performance and ensuring 99.9% uptime for 300 servers, resulting in increased efficiency.

       Monitored EC2 instances and servers on AWS and on-prem Hyper-V, identifying and resolving issues proactively to minimize downtime by 30%.

       Led project for in-place OS upgrades for 100 EC2 servers, reducing vulnerability to security threats and improving overall system reliability by 40%.

       Collaborated with security team to mitigate vulnerabilities on servers, leading to decrease in potential security threats.

       Worked on AWS Cost Explorer to categories Cost per Department/Service and Evaluate increase in Cost.

       Worked with Global Team, including co-ordination and screen sharing

Progressive Infotech

Technical Analyst DC Windows Oct 2019 - June 2024

       Configured & maintained virtual infrastructure utilizing Hyper-V, establishing high availability and fault tolerance solutions to ensure 99% uptime.

       Modification/changes of Virtual Machine resources such as RAM, Hard Disk, vCPU as per requirement.

       Resolved service requests impacting 500+ users, configured patching for 200+ virtual machines, meeting all SLAs with errors of less than 0.1%.

       Managed user IDs for 400 personnel with access to shared drives, resulting in improved network security by 30%.

       Managing EC2 instance severs on AWS environment for a project and providing support for the same.

       Implemented Solutions leveraging AWS S3 to efficiently download and manage large-scale data transfers between S3 and local Servers.

       Knowledge on VMware Esxi , Vmotion, High Availability, DRS and Fault Tolerance.

       Knowledge on Disaster Recovery and Facilitated in DR drill Activity.

 

Impact Infotech

Technical Support Nov 2017 - Jun 2019

       Diagnosed & resolved 250+ client system issues monthly via actively managing tickets & troubleshooting a wide array of Hardware, Software and Network issues.

       Installed and configured various Mail clients such as MS Outlook and supported remote access through Slack & VNC Viewer set up to restore system functionality.

       Provided Virtual Conference (VC) support while configuring 450+ printers with sharing, utilizing advanced networking techniques to increase user uptime by 35%.

 

PROJECT EXPERIENCE

Forrest Brazeal's Cloud Resume Challenge 

       Configured AWS Route 53 for custom domain name resolution & leveraged CloudFront and OAI for securely hosting resume via S3 static website using HTTPS.

       Utilized JavaScript to invoke AWS API Gateway & Lambda Function with Python as the backend, successfully providing a dynamic visitor count functionality to resume site.

       Resume Link: https://resume.onkarres.com

       Visitor Count at bottom of page

 

 

 

SKILLS

 

Technologies 

Active Directory, DNS, DHCP, FTP Servers, Group Policies, AWS, EC2, VPC, Route53(DNS), SQS, S3, Cloud front(Edge Location) , AWS RDS database, AWS EBS, API Gateway, HTML, AWS Lambda, AWS Dynamo DB, Windows Patching,

Python,Flask and Boto3 Basic proficiency, Virtualization,VMware,VM Management, OS Installation and Troubleshooting, IAM service, AWS Security HUB, GuardDuty

Tools 

AWS Management console, AWS Security HUB, VMWare, Ticketing Tools (Manage Engine, Summit, Service-now).

 

Operating Systems 

Windows Server 2008, 2012, 2016, 2019, 2022, Linux

 

 

 

ACHIEVMENTS

       Client satisfaction award

       Certificate of appreciation - for enhancing client experience.

       Team of quarter award 

 

 

Converted to HTML with WordToHTML.net

Visitors: