Penetration Tester / Cybersecurity Specialist

Penetration Tester / Cybersecurity Specialist

Company

Knowtifics Technologies

Location

Coimbatore, Tamil Nadu

Experience

5 - 8Years

Employment Type

Full-time / Contract

Industry

Cybersecurity | IT Consulting

Job Summary

Knowtifics Technologies is looking for experienced Penetration Testers / Cybersecurity Specialists with 5–8 years of strong hands-on experience in identifying, validating and reporting security vulnerabilities across web applications, APIs, networks, infrastructure, cloud and containerized environments.

The ideal candidate should be capable of independently conducting security assessments, performing manual exploitation, preparing professional reports and working with engineering teams through remediation and retesting.

Key Responsibilities

Perform penetration testing and vulnerability assessments for

Web applications

REST APIs

Networks and infrastructure

Cloud environments

Docker and Kubernetes environments

Test authentication, authorization, session management and access controls.

Identify and validate vulnerabilities including

SQL Injection

XSS

SSRF

IDOR / Broken Access Control

Authentication vulnerabilities

Security misconfigurations

Privilege escalation

API security vulnerabilities

Perform manual exploitation and proof-of-concept validation.

Conduct network and infrastructure security assessments across Linux and Windows.

Assess AWS, Azure and/or GCP environments.

Review CI/CD pipelines and DevSecOps security controls.

Analyze vulnerabilities based on technical and business impact.

Prepare detailed penetration-testing reports with evidence, risk ratings and remediation recommendations.

Present findings to developers, architects, security teams and customers.

Support vulnerability remediation and perform retesting.

Participate in customer meetings and technical security discussions.

Required SkillsApplication & API Security

OWASP Top 10

OWASP API Security Top 10

Authentication & Authorization

Session Management

Access Control

Business Logic Testing

Injection Vulnerabilities

SSRF

API Security Testing

Penetration Testing Tools

Hands-on experience with

Burp Suite

Nmap

Metasploit

Nessus / OpenVAS

Kali Linux

Other industry-standard security tools

Infrastructure & Network Security

Practical experience assessing Linux and Windows environments.

Good understanding of TCP/IP, DNS, HTTP/HTTPS, and TLS/SSL.

Knowledge of firewalls, network services, and common infrastructure vulnerabilities.

Familiarity with Active Directory security assessment is preferred.

Cloud & Container Security

Experience with one or more

AWS

Microsoft Azure

Google Cloud

Docker

Kubernetes

OpenShift

DevSecOps & Automation

Git and CI/CD pipelines

DevSecOps security practices

Secrets management

Dependency/security scanning

Python, Bash, PowerShell or similar scripting

Experience

5–8 Years

5–8 years of relevant experience in penetration testing, VAPT, or application and infrastructure security.

Proven hands-on experience independently conducting security assessments.

Strong understanding of vulnerability validation, exploitation techniques, and risk assessment.

Experience preparing technical reports with clear findings, supporting evidence, and remediation guidance.

Ability to communicate security findings effectively with technical teams and customers.

Experience supporting remediation activities and performing retesting.

Preferred Certifications

OSCP

OSCE

OSEP

CREST

GPEN

CEH

CISSP

Certifications are an advantage, but practical hands-on penetration-testing experience is more important.

Good to Have

Experience in

Cloud security

Kubernetes / OpenShift security

Mobile application security

Secure architecture reviews

DevSecOps / CI/CD security

AI / LLM application security

Threat modelling

Vulnerability management

Security remediation programs

Enterprise or telecom environments

International customer engagements

What We're Looking For

We are looking for professionals who can perform real-world penetration testing, not just manage security activities.

You should be able to

Understand → Identify → Exploit → Validate → Report → Remediate → Retest

Strong analytical skills, professional communication and good written/spoken English are essential.

Why Join Knowtifics Technologies?

Work on real-world enterprise security projects

Exposure to Cloud, Application, Infrastructure and DevSecOps security

Work with modern cybersecurity technologies

Direct interaction with engineering and customer teams

Career growth opportunities in cybersecurity and security architecture

Collaborative technology environment

Job Details

Job Title

Penetration Tester / Cybersecurity Specialist

Experience

5 - 8 Years

Location

Coimbatore, Tamil Nadu

Job Type

Full-time / Contract

Work Area

Cybersecurity | VAPT | Application Security | Cloud Security | Infrastructure Security

How to Apply

Interested candidates can send their updated CV/resume along with relevant certifications and penetration-testing experience to

careers@knowtifics.com

Subject

Application – Penetration Tester / Cybersecurity Specialist

Work Location

In person