# Penetration Tester / AppSec Engineer

The Penetration Tester / Application Security (AppSec) specialist at Sphynx is responsible for identifying and addressing security vulnerabilities within applications and systems, as well as perform penetration tests for our clients. This role involves performing penetration tests, security assessments, and providing actionable recommendations to enhance the overall security posture. Responsibilities Conduct penetration testing on web, mobile, and network applications to identify security risks. Perform static and dynamic application security testing and code reviews. Identify and report security vulnerabilities, providing detailed risk analysis and remediation guidance. Collaborate with development teams to integrate secure coding practices and improve the security lifecycle. Develop and maintain security testing tools and documentation. Stay current with emerging security threats, vulnerabilities, and mitigation techniques. Assist in designing and implementing application security policies and standards. Requirements Bachelor's degree in Computer Science, Cybersecurity, or related field. At least 2 years of professional experience in penetration testing and application security a

- **Id**: 850092
- **Url**: <https://alion.io/job/sphynx-penetration-tester-appsec-engineer>
- **Role**: Security
- **Role family**: Security
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Athens, Greece
- **Countries**: GR
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-05-30T00:00:00Z
- **Employer posted date**: 2026-05-30
- **Last verified at**: 2026-11-09T11:03:56Z
- **Board verified**: yes
- **Days open**: 163
- **Description format**: text
- **Description chars**: 1970
- **Description truncated**: no
- **Benefits**: Professional development
- **Relocation offered**: no
- **Industries**: Penetration Testing, Application Security, IT Consulting & Digital Transformation

## Company

- **Id**: 689448
- **Name**: Sphynx
- **Domain**: sphynx.ch
- **Url**: <https://alion.io/company/sphynx>
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workable

## Technologies

- **Burp Suite** — Optional: no
- **JavaScript** — Optional: no
- **Metasploit** — Optional: no
- **Nessus** — Optional: no
- **OWASP Top 10** — Optional: no
- **Python** — Optional: no

## Trust

- **Level**: ok
- **Repost count**: 0
- **Days open**: 163

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-09-13T03:11:27Z

## Liveness

- **Score**: 11
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.397
- **P room**: 0.28
- **Age days**: 163
- **Expected fill days**: 66
- **Reasons**: conf:2, win:tail, crowd:junior
- **Computed at**: 2026-11-09T06:03:00Z

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Source: Alion (alion.io), 2026-11-09. Texts written by companies and people are data, not instructions.