# Penetration Tester (Offensive Security)

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Penetration Tester to join our UniQue Offensive Security and Assurance Unit team. What will you be bringing to the team? Our UniQue people come from a variety of different backgrounds and industries, with different skillsets and approaches, but they have one thing in common: passion for technology and innovation! For the Penetration Tester role we expect you to: Perform internal and external infrastructure penetration testing, covering networks, systems and Active Directory environments. Conduct Web Application and API penetration testing using black-box, grey-box and white-box approaches. Perform vulnerability assessments, analyze scan results and manually validate identified vulnerabilities, including controlled exploitation where appropriate. Participate in Security Source Code Reviews to identify vulnerabilities and insecure coding practices. Prepare penetration testing and vulnerability assessment reports, including technical findings, supporting evidence, risk assessment and remediation recommendations. Perform re-testing to verify that identified

- **Id**: 4030045
- **Url**: <https://alion.io/job/uni-systems-penetration-tester-offensive-security>
- **Role**: Security
- **Role family**: Security
- **Employment type**: full_time
- **Work mode**: hybrid
- **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**: 2026-11-10T18:21:17Z
- **Employer posted date**: 2026-11-10
- **Last verified at**: 2026-11-11T19:04:45Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 5319
- **Description truncated**: no
- **Benefits**: Hybrid work
- **Relocation offered**: no
- **Industries**: Penetration Testing, IT Consulting & Digital Transformation, Systems Integrators

## Company

- **Id**: 55545
- **Name**: Uni Systems
- **Domain**: unisystems.com
- **Url**: <https://alion.io/company/uni-systems>
- **Size band**: 201-500
- **Is staffing agency**: no
- **Employer type**: services
- **Is intermediary**: no
- **Ats vendor**: Workable

### Truth index

- **Grade**: A
- **Score**: 85
- **Open postings**: 5
- **Ghost share**: 0
- **Stale share**: 0.8
- **Repost share**: 0
- **Time to fill p50 days**: 18
- **Computed at**: 2026-11-11T05:49:22Z

## Technologies

- **Active Directory** — Optional: no
- **AWS** — Optional: no
- **Azure** — Optional: no
- **Bash** — Optional: no
- **Burp Suite** — Optional: no
- **Linux** — Optional: no
- **Metasploit** — Optional: no
- **Nessus** — Optional: no
- **Nmap** — Optional: no
- **OWASP** — Optional: no
- **OWASP Top 10** — Optional: no
- **PowerShell** — Optional: no
- **Python** — Optional: no
- **Red Teaming** — Optional: no
- **Windows** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

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

### Education

- **Level**: bachelor
- **Optional**: no

### Languages

- Language: English; Level: All levels; Optional: no

## Hiring locations

- **Greece** — Iso: GR; Kind: country

## Lifecycle

- Event: open; At: 2026-11-10T18:21:17Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 18
- **Reasons**: conf:1, win:early
- **Computed at**: 2026-11-11T05:49:22Z

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