Manjusha Tumu
Cloud Operations Engineer
Hyderabad,Telangana
Summary
Results-driven Cloud Operations Engineer with over 6 years of experience in AWS and Linux Administration, specializing in server management, incident resolution, and performance optimization of cloud environments. Expertise in leveraging AWS core services to enhance operational efficiency through industry best practices. Proven track record of managing large-scale deployments and delivering technical support for complex systems. Committed to driving innovation and excellence in cloud operations to meet organizational goals.
Overview
7
7
years of professional experience
6048
6048
years of post-secondary education
5
5
Certifications
Work History
Cloud Operations Engineer
Amazon Web Services
Hyderabad
09.2022 - 12.2025
- Provided end-to-end production support for AWS environments, managing P1–P3 incidents across multiple customer accounts, and minimizing service disruption.
- Designed and managed IAM users, roles, and policies using the least-privilege model; recognized as an AWS Managed Services IAM Bar Raiser.
- Hands-on experience with AWS core services, including EC2, S3, VPC, IAM, RDS, CloudWatch, CloudTrail, Systems Manager, Secrets Manager, ELB, and Autoscaling.
- Provisioned and updated cloud infrastructure using Terraform and AWS CloudFormation, enabling repeatable deployments and reducing manual effort.
- Eliminated excessive alerting by optimizing the CloudWatch agent configuration, reducing 300+ disk utilization alerts per week across 7 customer accounts.
- Investigated and resolved recurring instance failure alert storms (60+ alerts per week), identifying root causes, and preventing repeated incidents.
- Automated operational workflows using Bash scripting and AWS Systems Manager, streamlining EC2 patching and maintenance across large server fleets.
- Conducted root cause analysis (RCA) for recurring incidents, and collaborated with teams to address long-standing operational backlogs.
- Supported performance optimization and right-sizing efforts, reducing unnecessary resource usage, and improving cost efficiency.
- Participated in Git-based code reviews for IAM-related changes to ensure security and compliance.
- Leveraged AI tools (Amazon Q, GitHub Copilot) to accelerate troubleshooting and enhance Infrastructure as Code development.
Linux/Unix System Administrator
Tata Consultancy Services
Indore
06.2019 - 08.2022
- Administered Linux/Unix systems in large-scale 3-tier enterprise environments, supporting production workloads with high availability and reliability requirements.
- Managed RHEL 6/7/8 and Oracle Linux servers, handling system builds, upgrades, patching, and routine maintenance across multiple environments.
- Provided end-to-end production support, resolving incidents within SLA timelines and minimizing service disruptions.
- Performed filesystem and storage management, including disk partitioning, LVM creation and extension, and capacity planning to prevent outages.
- Implemented OS hardening and vulnerability remediation, applying security baselines and patches to improve compliance and reduce exposure to security risks.
- Configured and maintained time synchronization using NTP and Chrony, ensuring consistent system time across distributed environments.
- Supported secure remote access using SSH and legacy access methods where required, maintaining controlled and auditable system access.
- Managed user and group administration, including account creation, permission management, and access troubleshooting.
- Provided technical support to end users and application teams, diagnosing OS-level and application-related issues running on Linux systems.
Education
Bachelor of Technology - Electronics and Communication
Pragati Engineering College
Surampalem04.2019
XII Standard -
Sri Chaitanya Jr. College
Kakinada04.2015
X Standard -
Ashram Public School
Kakinada03.2013
Skills
Cloud Platforms: AWS, EC2, S3, IAM, VPC, RDS, EBS, ELB, CloudWatch, CloudTrail, Systems Manager, Secrets Manager, Autoscaling
Infrastructure as Code: Terraform, AWS CloudFormation, Bash, Shell Scripting, Ansible
Operating Systems: RHEL 6, RHEL 7, RHEL 8, Oracle Linux, Amazon Linux, LVM, Filesystem Management, OS Patching
Networking: TCP/IP, DNS, VPC, Subnets, Route Tables, Security Groups, NACLs, Load Balancing
Security: IAM, Access Management, Least Privilege, OS Hardening, Vulnerability Remediation, Compliance
Accomplishments
- Conducted 20+ RCAs and implemented corrective actions, reducing
recurring incidents by 30% - Reduced incident resolution time by 40% through implementation of
standardized troubleshooting runbooks. - Achieved 95%+ SLA compliance for P1 and P2 incidents across customer accounts.
- Resolved 500+ incident and service request tickets with 98%
customer satisfaction rating. - Conducted 20+ Root Cause Analysis (RCA) reports, implementing
preventive measures that reduced recurring incidents by 30%. - Supported 24x7 on-call rotation, handling critical production
incidents with minimal escalation. - Recognized as AWS Managed Services IAM Bar Raiser
Certification
AWS Certified Solutions Architect - Associate
Timeline
Cloud Operations Engineer
Amazon Web Services
09.2022 - 12.2025
Linux/Unix System Administrator
Tata Consultancy Services
06.2019 - 08.2022
Bachelor of Technology - Electronics and Communication
Pragati Engineering College
XII Standard -
Sri Chaitanya Jr. College
X Standard -
Ashram Public School