Rajatkumar Karmarkar

DevOps Engineer

Dubai, United Arab Emirates10 yrs experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Recognized by major tech companies for security contributions.
  • Expert in vulnerability assessments and penetration testing.
  • Strong background in web development and server management.
Stackforce AI infers this person is a Cybersecurity Expert with a focus on Web and Cloud Security.

Contact

Skills

Core Skills

Penetration TestingWeb Application SecurityVulnerability AssessmentSecurity EngineeringSecurity TestingCloud Security

Other Skills

API Application SecurityAPI SecurityAWS security assessmentsApplication SecurityCC++CEHComputer ForensicsComputer RepairComputer ScienceComputer SecurityCyberArk managementEthical HackerEthical HackingFirewalls

About

I’m an IT-Security researcher and Web Security Analyst with a strong focus on finding and fixing vulnerabilities in web systems. My skills include vulnerability assessments, penetration testing, security audits, and web vulnerability research. I also have experience in web development and server management, giving me a well-rounded understanding of both building and securing digital environments. I’ve had the honor of being recognized by major tech companies like Google, Microsoft, eBay, Apple, Nokia, PayPal, AT&T, and Yahoo, receiving Hall of Fame mentions and rewards for my contributions to their security programs. These recognitions motivate me to keep improving and pushing the boundaries of cybersecurity. I’m always open to connecting with professionals and companies interested in strengthening their security strategies.

Experience

Mastercard

Offensive Security - Senior Vulnerability Analyst

Nov 2022Present · 3 yrs 4 mos · Dubai, United Arab Emirates

Digital14

2 roles

Senior Consultant - Red Team Services

Sep 2022Oct 2022 · 1 mo · Abu Dhabi Emirate, United Arab Emirates

  • Confidential

Security Engineer

Oct 2021Sep 2022 · 11 mos · Abu Dhabi Emirate, United Arab Emirates

  • Handling Multiple projects simultaneously
  • Coordinate medium/large security testing projects
  • Review scope and findings of other team members
  • Helping other team members to bypass in place security controls whenever required
  • Analyze applications to understand how they work, where they have weaknesses and demonstrate how identified vulnerabilities can be exploited by developing Proof-of-Concepts
  • Make a difference by conducting research on new techniques, security mitigations and identifying zero-day vulnerabilities
  • Assist management with certain requests
  • Perform peer-review
  • Perform Threat Modeling and Arch review
  • Develop custom scripts for vulnerability discovery during projects
  • Write comprehensive security assessment reports for developers and upper management
  • Collaborate with a great team of security experts and work in a lab environment
  • Propose mitigations for the security vulnerabilities identified in the Digital14 products
  • Perform security reviews of requirements, design specifications, and code
  • Raise awareness of our developers to security best practices
  • Work closely with our Engineering teams to gain in-depth knowledge of our systems
  • Offer support to engineering team to fix the identified security defects and/or security incidents.
  • Consistently deliver on commitments on time and with quality
Security testingThreat ModelingVulnerability discoverySecurity assessment reportingVulnerability AssessmentSecurity Engineering

Synack red team

Pentester

Aug 2020Present · 5 yrs 7 mos

  • Performed Security testing on Web Application, API Application, Mobile Application, Host System.
  • Making a quality report about the discovered issues which consists of whole descriptions, remediation, steps to reproduce and proper PoC.
  • Report issues to client and validate the patched issues by retesting/bypassing
Security testingWeb Application SecurityAPI Application SecurityMobile Application SecurityHost System SecurityReporting+1

Epam systems

Security Testing Engineer

Jul 2019Oct 2021 · 2 yrs 3 mos · Greater Hyderabad Area

  • Interacting with stakeholders in defining scope, gathering the tech stack and requirements of the application.
  • Performed Cloud, Web/API, Mobile and Thick Client application security testing.
  • Preparing comprehensive reports detailing identified findings and recommendations.
  • Assisting project team in understanding risk & threat level associated with reported vulnerabilities according to business criticality.
  • Guiding the development teams to mitigate all the identified vulnerabilities.
  • Retesting the fixed vulnerabilities.
  • CyberArk:
  • Creating Vault, Managing Safes, Platforms and Owners using PVWA and private ark client.
  • Central Policy Manager (CPM) policies management or redistribution.
  • Perform health check monitoring on all CyberArk severs to ensure consistent availability of system to end user.
  • AWS Security:
  • Performed AWS security assessments for internal applications.
  • Identifying and help in fixing the security issues in AWS infrastructure.
  • Assessing the IAM, S3 policies, NACL, Security group rules.
  • Log Assessments using Cloud Watch, Cloud Trail, GuardDuty.
Security testingCloud SecurityVulnerability managementCyberArk managementAWS security assessmentsSecurity Testing

Nota inc.

Security Analyst

Mar 2014Jun 2017 · 3 yrs 3 mos · India

  • Perform Web Application Penetration Tests manually using Burpsuite on their applications.
  • Managed Hackerone program to triage and validate issues reported by other security researchers.
  • Perform API / Mobile App Penetration Testing.
  • Analyze the vulnerabilities identified by the automated tools such as Acunetix and Nessus to avoid false positives.
  • Assisting clients in understanding risk & threat level associated with vulnerability with respect to business criticality.
  • Guiding the development teams to address all identified vulnerabilities.
Web Application Penetration TestingAPI SecurityVulnerability analysisRisk assessmentPenetration TestingWeb Application Security

Education

Rajiv Gandhi College of engineering and research

Bachelor of Engineering (B.E.) — Computer Technology/Computer Systems Technology

Jan 2012Jan 2019

Bhalerao Junior College of Science

HSC — Computer Science

Jan 2010Jan 2012

Morning Star Convent

SSC — High School

Jan 1998Jan 2010

Stackforce found 100+ more professionals with Penetration Testing & Web Application Security

Explore similar profiles based on matching skills and experience