Summary
Overview
Work History
Education
Skills
Technical Skills
Timeline
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CHANDRAMOHAN MURUGANANTHAN

Aldie,VA

Summary

Experienced cyber security professional with expertise in information security and application development. Specializes in modern authorization with policy-based access control (PBAC), zero trust, identity governance, DUO, and federated identity management. Possesses over 17+ years of comprehensive experience in Java/J2EE technology, successfully analyzing, designing, implementing, integrating, testing, and maintaining various applications. Proficient in utilizing a wide range of AWS services such as EC2, Cloud Watch, Cloud Formation, S3, and RDS. Highly adaptable and quick to learn new skills required at different stages of a project's lifecycle. Dedicated, hardworking, and committed to achieving team success.

Overview

24
24
years of professional experience

Work History

Multi Factor Authentication Rest Service (MFA-RS)

Fannie Mae
05.2000 - Current
  • Integrated Duo (MFA) security endpoint for onboarding resources, sad account alias, bypass code rotation and generate secret key.
  • Implemented Plain id services for whitelist IP Cider Range for authorization calls and Integrated objects like Dynamics group, Policy, Asset, etc.
  • Implemented JWT token validation to secure the endpoint using ROPC validation with Ping Federate.
  • Integrated with Sailpoint-IIQ scim call to get the resource details.
  • Extensive AWS services have been used like EC2, cloud watch, cloud front, cloud formation, s3 and RDS.
  • Onboard the custom endpoint to APIGEE gateway.
  • Reroute the call to Failover(Contingency) and Fallback (Production) to the traffic.
  • Integrated Splunk with cloud watch logs using AWS agent.
  • Configuring load balancer, nginx, route 53, target group (health check) as business needs.

Senior Java Developer

Freddie Mac
03.2018 - 05.2020
  • Implemented Microservices architecture to make applications smaller and independent which includes End Point Registration, Request, Response, HTTP Codes, Error Codes etc.
  • Utilized several Java 8 concepts like Stream, Optional, Functional Interface, Collection API to migrate / develop the application.
  • Resources were exchanged using Jersey RESTful web services with the data passed around in JSON format.
  • Designed REST Controllers and Services for CRUD operation to MongoDB.
  • Worked on Swagger API and auto-generated documentation for all REST calls.
  • Developed unit and integration tests for existing microservices using JUnit, Mockito and Docker.
  • Worked more on JIRA for checking all the user stories and tracking of ticket status.

IAM Consultant

Fannie Mae
11.2015 - 03.2018
  • Authenticate and authorization of user credentials against Active Directory using SSL/LDAP.
  • User creation, provision(de) of members has been accomplished in secure connection against AD.
  • Responsible for creating and maintaining the Restful API using spring boot.
  • Integrated swagger to restful endpoint and shared with testing team.
  • Establish the Siebel connection to perform bulk upload and send confirmation email with success and failure lists.
  • Implemented server-side Restful web services for external applications to access applications to validate user credentials.
  • Used Spring AOP and Dependency Injection (IOC) in developing discount generation Services and Configured and accessed Hibernate with Spring IOC.
  • Generate the auto sys sync jobs in UNIX between Siebel and AD.

Senior Java Engineer

Freddie Mac
11.2013 - 11.2015
  • Spearheaded migration to microservices architecture, increasing scalability and maintainability of the application.
  • Extensively involved in business users’ requirements gathering and technical walk-throw like class diagrams / sequence diagrams to represent the functionality of the system and the interaction between classes.
  • Worked with EJB 3.0 to set up session beans to receive price requests from other systems.
    Used different design patterns like MVC, Singleton, Data Access Object, Value Object etc.
  • Collaborated with cross-functional teams to deliver high-quality software solutions that met business requirements.

Education

Master of Science -

Bharathidasan University
Tamil Nadu, India
05.1998

Skills

  • Multifactor Authentication - DUO
  • Plain id
  • Java, HTML, XML, PL/SQL, JavaScript
  • AWS
  • Keycloak, Nginx
  • Splunk, Jenkins
  • Agile
  • Open Policy Agent (OPA)
  • NoSQL databases like OrientDB & Redis
  • Exceptional troubleshooter

Technical Skills

Active Directory, Java /J2EE,  SailPoint IIQ, PlainID, Ping Authorize, Open Policy Agent (OPA), OAuth/OIDC, KeyCloak,  OrientDB, Oracle, Redis, Microservices, Nginx, Java, Jenkins, SMAL, PKI.

Timeline

Senior Java Developer

Freddie Mac
03.2018 - 05.2020

IAM Consultant

Fannie Mae
11.2015 - 03.2018

Senior Java Engineer

Freddie Mac
11.2013 - 11.2015

Multi Factor Authentication Rest Service (MFA-RS)

Fannie Mae
05.2000 - Current

Master of Science -

Bharathidasan University

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