VAPT Security Engineer

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We are an IT Solutions Integrator/Consulting Firm helping our clients hire the right professional for an exciting long-term project. Here are a few details.

Requirements

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As a Penetration Testing Senior Consultant, you will lead the execution of offensive security engagements and help clients identify, validate, and remediate security vulnerabilities across their digital ecosystem.

You will work across application, API, mobile, thick-client, network, cloud, and enterprise infrastructure environments while collaborating with technical and business stakeholders to translate security findings into actionable business risk and remediation recommendations.

Key Responsibilities

• Lead penetration testing workstreams across web applications, APIs, mobile, thick-client, network, cloud, and infrastructure environments.
  
• Design test plans and execute manual and automated security assessments.
  
• Identify, validate, exploit, and document security vulnerabilities.
  
• Perform manual testing for vulnerabilities including:
  • SQL Injection / Blind SQL Injection
    
  • XSS and CSRF
    
  • XXE
    
  • SSRF
    
  • Insecure Deserialization
    
  • HTTP Request Smuggling
    
  • Authentication & Authorization weaknesses
    
  • Business Logic vulnerabilities
    
• Assess OAuth 2.0, OpenID Connect, session management, identity, and access controls.
  
• Conduct secure code reviews using OWASP Secure Coding Practices or comparable methodologies.
  
• Perform application security architecture reviews and threat modeling.
  
• Conduct vulnerability assessments across application, infrastructure, cloud, mobile, and enterprise environments.
  
• Use industry-standard security testing tools such as Burp Suite, Fiddler, Wireshark, Nmap, Metasploit, Nessus, Qualys, Tenable, Veracode, Frida, Apktool, JADX, dnSpy, and IDA Pro.
  
• Develop scripts and automation using Python, PowerShell, Bash, or similar technologies to improve reconnaissance, testing, evidence collection, and reporting.
  
• Support purple team, red team, adversarial simulation, and threat-informed testing activities.
  
• Map attack scenarios and findings to MITRE ATT&CK and relevant threat behaviors.
  
• Coordinate with application, infrastructure, cloud, development, and security operations teams for remediation and retesting.
  
• Prepare detailed technical reports, executive summaries, risk-based findings, remediation recommendations, and client presentations.
  
• Translate technical vulnerabilities into business-relevant risk statements and prioritized remediation plans.
  
• Support engagement planning, estimation, proposal development, solution development, and identification of follow-on opportunities.
  
• Mentor junior team members and review technical deliverables.
  
• Provide technical and professional feedback to team members.
  
• Prepare daily, weekly, quarterly, and annual status reports and remediation tracking materials.
  
• Respond to ad-hoc research, reporting, and technical requests from management and clients.
  
• Adhere to internal security requirements and Deloitte policies.
  

Must-Have Skills & Experience

• 7+ years of hands-on cybersecurity experience in penetration testing, application security, cyber risk, vulnerability assessment, or related technical security roles.
  
• Proven experience conducting penetration testing across multiple domains:
  • Web Applications
    
  • APIs
    
  • Mobile Applications
    
  • Thick-Client Applications
    
  • Networks
    
  • Cloud
    
  • Enterprise Infrastructure
    
• Strong knowledge of OWASP Top 10 and application security vulnerabilities.
  
• Strong hands-on experience with manual vulnerability assessment and exploitation.
  
• Strong understanding of:
  • OAuth 2.0
    
  • OpenID Connect
    
  • Identity Management
    
  • Session Management
    
  • Access Control
    
• Experience with secure code reviews.
  
• Strong hands-on experience with manual penetration testing combined with automated security tools.
  
• Proficiency with tools such as:
  
  Burp Suite, Fiddler, Wireshark, Nmap, Metasploit, Nessus, Qualys, Tenable, Veracode, Frida, Apktool, JADX, dnSpy, IDA Pro or equivalent.
  
• Strong understanding of web application architecture, including frontend, backend, databases, APIs, application servers, and middleware.
  
• Knowledge of HTML, CSS, JavaScript, Java, .NET, PHP, and backend databases.
  
• Experience with application security architecture assessment and threat modeling.
  
• Understanding of basic reverse engineering and memory analysis concepts.
  
• Strong understanding of networking protocols including TCP/IP, DNS, HTTP/HTTPS, SMB, and LDAP.
  
• Familiarity with CVE and CVSS.
  
• Excellent technical documentation and report-writing skills.
  
• Strong analytical, problem-solving, prioritization, and stakeholder-management skills.
  
• At least one relevant cybersecurity certification such as:
  
  OSCP, OSWP, GPEN, GWAPT, BSCP, OSWE, CISSP, or CREST certification.
  

Good-to-Have Skills

• Application, infrastructure, cloud, mobile, and microservices security assessment experience.
  
• Experience testing AI-enabled applications, LLM integrations, APIs, AI agents, or related systems.
  
• Red Team, Purple Team, breach attack simulation, or adversary emulation experience.
  
• Knowledge of:
  • MITRE ATT&CK
    
  • Cyber Kill Chain
    
  • SANS Top 25
    
  • Threat-informed penetration testing
    
• Experience with offensive security tools such as Cobalt Strike, Sliver, BloodHound, Empire, Metasploit, Nmap, Qualys, and Tenable.
  
• Knowledge of Active Directory security, privilege escalation, lateral movement, identity attacks, and enterprise misconfigurations.
  
• Experience assessing AWS, Azure, or GCP environments, including IAM, storage, compute, networking, containers, and Kubernetes.
  
• Familiarity with security monitoring platforms such as Microsoft Defender, CrowdStrike, SentinelOne, Carbon Black, Splunk, QRadar, and ArcSight.
  
• Working knowledge of malware analysis, reverse engineering, binary analysis, exploit development, or memory analysis.
  
• Security automation and scripting experience using Python, PowerShell, Bash, or similar languages.
  
• Ability to translate threat intelligence into realistic and controlled attack scenarios.
  
• Experience presenting security findings to both technical and executive audiences.
  
• Security research, publications, blogs, open-source projects, conference presentations, or CVEs.
  
• Preferred certifications: OSWE, OSEP, OSED, OSCE3, CRTO, GXPN, OSEE, AWS Security Specialty, SABSA, or CREST offensive security certifications.
  
• Familiarity with NIST, PCI DSS, HIPAA, GDPR, and other relevant cybersecurity/privacy standards.
  
• Strong written and verbal English communication skills.
  
• Strong interest in continuous learning and developing new offensive security techniques.
  

Benefits