Rahul Gurjar

System Administrator and DevOps Engineer skilled in managing and supporting production-grade infrastructure across cloud and on-prem environments. Strong hands-on expertise in AWS cloud services, Docker, Kubernetes, CI/CD pipelines, Linux system administration, and web server management (Apache & Nginx). Experienced in designing, deploying, and maintaining secure, scalable, and high-availability environments for diverse applications including Node.js, React, Java, Laravel, PHP, Python, and WordPress.

Proven ability to automate deployments, optimize system performance, strengthen security, and troubleshoot complex production issues while supporting business-critical platforms in FinTech, E-commerce, Social Media, and data-intensive domains.

Sr. System Engineer - Hyperbeans Technologies pvt ltd

(2019-08)

• Designed, implemented, and managed scalable and secure AWS cloud infrastructure, leveraging services such as EC2, VPC, RDS, S3, Route 53, CloudFront, IAM, EFS, AWS Backup, Elastic Beanstalk, AWS Amplify, CodePipeline, ECS, and AWS Batch, ensuring high availability, performance optimization, and cost efficiency across multiple environments.
• Built, maintained, and optimized CI/CD pipelines using Jenkins, AWS CodePipeline, and Shell scripting to automate build, test, and deployment workflows, significantly reducing manual intervention and deployment failures.
• Containerized applications using Docker and deployed them on AWS ECS, implementing secure networking, IAM roles, and task definitions to ensure consistent deployments and minimize environment-specific issues.
• Administered and maintained Linux servers, performing system hardening, patch management, performance tuning, and scheduled backups to support high availability and disaster recovery objectives.
• Configured, optimized, and managed Apache and Nginx web servers for high-traffic applications, implementing SSL/TLS encryption, reverse proxy configurations, and load balancing to enhance security and performance.
• Deployed and supported LAMP stack applications, performing version upgrades, security patching, configuration management, and troubleshooting across development, staging, and production environments.
• Managed relational and NoSQL databases including MySQL, PostgreSQL, and MongoDB, handling replication setup, performance tuning, backup and restoration, and query optimization to ensure data reliability and performance.
• Developed and maintained Shell scripts to automate routine operational tasks such as log rotation, monitoring checks, backups, and server health validation, improving operational efficiency and reducing manual workload.
• Implemented and configured monitoring and alerting using AWS CloudWatch Logs, Metrics, and Alarms to proactively track system health, resource utilization, and application performance across cloud deployments.
• Set up, deployed, and maintained production and staging environments for applications built with Node.js, React.js, Java, Laravel, Python, PHP, and WordPress, ensuring reliable releases and smooth environment transitions.

System Administrator - salasar cyber solutions pvt.ltd.

(2018-08 - 2019-08)

• Created and managed EC2 instances, configured security groups, key pairs, and networking.
• Set up S3 buckets for data storage and applied basic access permission policies.
• Configured IAM users, groups, MFA and assigned least-privilege policies.
• Basic knowledge of VPC, Subnet, Elastic IP, Load Balancer, and Auto Scaling concepts.
• Performed basic monitoring using CloudWatch metrics and alarms.
• Managed Ubuntu/CentOS servers including user management, permissions, and package updates.
• Configured SSH, firewall rules (ufw/iptables), disk partitions, and system services.
• Performed log monitoring, troubleshooting system performance, and scheduled cron jobs.
• Conducted server hardening tasks and maintained secure access policies.

Hardware and Networking Support Engineer - Syncom Formulations pvt ltd

(2017-08 - 2018-08)

• Provided technical support for hardware and networking issues.
• Installed and configured computer systems and peripheral devices.
• Conducted regular maintenance on network equipment and servers.
• Installed, configured and maintained computer hardware components such as motherboards, processors, memory modules, network cards and other peripherals.
• Installed and configured computer hardware, software, systems, networks, printers and scanners.
• Provided technical support for both hardware and software issues by troubleshooting system errors and diagnosing problems.
• Deployed virtual machines using VMware vSphere technology.

IT Excutive - Swastika investmart pvt ltd

(2016-12 - 2017-08)

• Collaborated closely with developers, QA teams, and stakeholders to support application releases, troubleshoot production issues, and ensure infrastructure scalability in alignment with DevOps best practices.

Bachelor of Engineering (B.E.) - Computer Science & Engineering (CSE) - Rajiv Gandhi Proudyogiki Vishwavidyalaya (RGPV) Bhopal Madhya Pradesh (2012-05 - 2016-06)