Mathan Mohan
Coimbatore,Tamil Nadu
Summary
Experienced and proactive DevSecOps Engineer with 2+ years of professional experience and 1 year of internship experience. Demonstrates expertise in Cloud Computing, Automation, and Continuous Integration/Continuous Deployment (CI/CD) practices. Proficient in utilizing AWS, GitHub, CI/CD pipelines, and Ansible to optimize and secure development workflows. Skilled in Python and Bash scripting for efficient and automated solutions. Adept at managing Linux-based systems and promoting knowledge sharing and effective communication within teams. Possesses intermediate-level knowledge of Kubernetes for container orchestration and management. Committed to improving security measures and driving operational excellence.
Overview
3
3
years of professional experience
Work History
DevSecOps Engineer
Rently
04.2023 - Current
- Managed 25+ AWS Accounts, 50+ resources in each account, securely and cost-effectively
- Proven expertise in collaborating with 3rd Party service for comprehensive security measures
- Effectively managed and resolved production and Code-Red emergencies, providing timely support and issue resolution to ensure minimal downtime and operational continuity
- Successfully managed WordPress Sites, ensuring robust security and optimal performance
- Promptly addressed and resolved WordPress site security issues, prioritizing tasks to ensure timely and effective remediation
- Played a pivotal role in resolving development issues related to Infrastructure and Configuration, ensuring seamless project progression and stability
- Seamlessly managed on-premises server setup using Kubernetes, ensuring efficient deployment and management
- Enhanced clusters and applications to maintain optimal uptime and performance
- Configured and segregated VMs for each cluster, improving resource allocation and isolation
- Established Jenkins from scratch in a Kubernetes environment, setting up CI/CD configurations for over 20 applications
- Led the Proof of Concept (POC) for Mailpit and various open-source SMTP servers, demonstrating their viability and functionality for the organization's email infrastructure needs
- Implemented AWS RDS Failover and Fallback strategies to ensure application availability during regional outages
- Collaborated on robust contingency plans, safeguarding against downtime and maintaining service continuity for critical applications.
Associate DevSecOps Engineer
Rently
05.2022 - 04.2023
- Implemented cost-effective measures by developing automated scripts using Python and Bash to scale down environments during weekends, optimizing resource utilization
- Developed and implemented a Python script to monitor user access permissions with predefined revoking dates, automating the revocation process for enhanced security control
- Established and managed a new company blog site utilizing WordPress and a suite of plugins, enabling employees to author and publish blog content seamlessly
- Developed a Python script to audit logs from tools such as GitHub and AWS, enhancing visibility and compliance monitoring capabilities
- Developed a basic web application using Django to automate recurring support tasks like access provisioning, enhancing operational efficiency and reducing manual workload
- Utilized Terraform scripts to facilitate the creation of AWS resources for applications, ensuring Infrastructure as Code (IaC) principles are maintained for streamlined and scalable infrastructure management
- Contributed to the documentation of ISO audits for security courses, ensuring comprehensive coverage and compliance for all employees
- Implemented AWS Billing Alerts to proactively monitor and manage costs, ensuring effective cost control measures are in place to maintain budgetary objectives
- Contributed to Proof of Concepts (POCs) for a set of tools, facilitating the evaluation and implementation of innovative solutions
- Working on setting up robust monitoring on AWS and Datadog for Production and Critical systems in the environments
- Supported and managed third-party security services, including awareness campaigns, to promote a culture of security consciousness and compliance within the organization.
DevSecOps Intern
Rently
04.2021 - 05.2022
- Supported and managed third-party security services, including awareness campaigns, to promote a culture of security consciousness and compliance within the organization
- Provided support to development teams and environments for configuration issues, ensuring smooth operation and optimal performance
- Developed a Python script for auditing IAM users across AWS accounts within the organization, enhancing security and compliance measures
- Implemented Multi-Factor Authentication (MFA) and strengthened password policies to enhance security practices and policies, bolstering protection against unauthorized access.
Education
Bachelor of Engineering (B.E.) - Computer Science and Engineering -
Sri Shakthi Institute of Engineering And Technology
Coimbatore, Tamil Nadu, India04.2022
Skills
- Linux
- Windows
- AWS
- GCP Services (Maps, Recaptcha)
- Docker and Docker Compose
- Kubernetes (Intermediate)
- Jenkins
- CircleCI
- Datadog
- Python and Bash Scripting
- Django (Basics)
- MySQL
- PostgreSQL
- NoSQL
- Failover and Fallback of RDS
- Basics of Confluent Kafka
- Ansible (Intermediate)
- Basics of Terraform
- Wordpress (Basics)
- Cost Analysis and Reduction in AWS
Timeline
DevSecOps Engineer
Rently
04.2023 - Current
Associate DevSecOps Engineer
Rently
05.2022 - 04.2023
DevSecOps Intern
Rently
04.2021 - 05.2022
Bachelor of Engineering (B.E.) - Computer Science and Engineering -
Sri Shakthi Institute of Engineering And Technology