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Senior Penetration Tester | Atlass Partners

full-time
Posted on May 4, 2026

Job Description

Senior Penetration Tester

Company Overview

AppSecure.Security is a premier cybersecurity firm dedicated to helping organizations identify and address vulnerabilities in their systems.

Job Summary

We’re seeking a highly skilled Senior Penetration Tester to lead impactful security assessments across diverse platforms. This role is aimed at individuals who are passionate about cybersecurity and excel in dynamic, challenging environments.

Responsibilities

  • Conduct comprehensive penetration tests on web applications, mobile apps, APIs, and networks.
  • Lead red teaming engagements to simulate real-world attack scenarios and evaluate security defenses.
  • Perform vulnerability assessments and deliver actionable remediation guidance.
  • Research and exploit vulnerabilities to demonstrate risks and potential impacts.
  • Prepare detailed technical reports and executive summaries outlining findings and recommendations.
  • Collaborate with clients and internal teams to enhance overall security posture.
  • Stay up to date on the latest security trends, vulnerabilities, and tools.
  • Contribute to improving internal methodologies and toolsets.
  • Mentor junior team members and provide guidance on complex projects.

Qualifications

  • Experience: At least 3 years in penetration testing, covering web, mobile, API, and network environments.
  • Certifications: Hold at least one of the following:
    • OSCP (Offensive Security Certified Professional)
    • OSWE (Offensive Security Web Expert)
    • CREST CRT (Certified Registered Tester)
    • Other relevant certifications are a plus.
  • Technical Skills:
    • Proficiency with security tools and frameworks (e.g., Burp Suite, Metasploit, Kali Linux).
    • Expertise in manual testing techniques and exploitation methods.
    • Strong knowledge of OWASP Top 10, SANS Top 25, and the MITRE ATT&CK framework.
    • Experience with scripting and automation (e.g., Python, Bash, PowerShell).
  • Red Teaming Expertise: Proven experience in red teaming and advanced attack simulations.
  • Bug Bounty Programs: Success in bug bounty programs is a significant advantage.
  • Excellent problem-solving skills and attention to detail.
  • Strong written and verbal communication skills.

Preferred Skills

  • Experience with cloud security and compliance standards.
  • Knowledge of secure coding practices and application security testing.

Experience

  • Minimum of 3 years of relevant experience in penetration testing and cybersecurity assessments.

Environment

  • Work Setting: Remote-first culture with flexible hours, offering a supportive and collaborative team environment.

Salary

  • Competitive compensation package; specific salary details not provided.

Growth Opportunities

  • Access to training resources and certifications for career development, with opportunities to work on cutting-edge cybersecurity initiatives.

Benefits

  • Flexible Work Environment
  • Challenging Projects
  • Professional Growth
  • Supportive Culture
  • Competitive Compensation and Benefits Package

How to Apply

If you’re ready to take the next step in your cybersecurity career, apply now by sending your resume and a cover letter to careers@appsecure.security. Include examples of previous engagements or notable achievements, if applicable. Join us at AppSecure.Security and make a real impact in securing the digital world!

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