Senior Offensive Security Specialist

Uni Systems
5 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Tech stack

Microsoft Windows
Microsoft Active Directory
API
Amazon Web Services (AWS)
Software System Penetration Testing
Azure
Bash
Burp Suite
Cloud Computing
Computer Security
Computer Programming
Software Debugging
Linux
Document Management Systems
Fuzz Testing
Python
Network Protocols
Powershell
Red Team (Cyber Security)
Reverse Engineering
Web Applications
Scripting (Bash/Python/Go/Ruby)
Google Cloud Platform
Information Technology
Metasploit
Vulnerability Analysis

Job description

  • Conduct comprehensive penetration tests on on-premise and cloud-based Windows/Linux systems, web applications, APIs, and networks.
  • Identify, exploit, and document vulnerabilities, providing clear mitigation recommendations.
  • Collaborate with the SOC team to refine and test cybersecurity use cases and develop threat hunting strategies.
  • Support incident response activities with offensive expertise to help contain and mitigate security incidents.
  • Execute red team and adversary emulation exercises using tools such as Atomic Red Team, MITRE Caldera, Metasploit, and Burp Suite.
  • Design and perform tactical simulations to assess and improve defensive capabilities.
  • Perform cloud penetration testing on AWS, Azure, and Google Cloud environments, identifying vulnerabilities across infrastructure, applications, and services.
  • Prepare detailed technical reports and executive summaries of findings and recommendations.
  • Maintain documentation of methodologies, tools, and results to ensure consistent testing practices.
  • Stay up to date with emerging threats, attack techniques, and security tools.
  • Research, evaluate, and integrate new tools or methods to enhance offensive security capabilities.
  • Identify and prioritize vulnerabilities for remediation based on risk and potential impact.
  • Provide training, mentorship, and workshops to IT security colleagues on offensive techniques and cybersecurity best practices.

Requirements

Do you have experience in Windows?, Do you have a Bachelor's degree?, What do you need to succeed in this position?

  • Bachelor's degree in IT or a related field and minimum 12 years of relevant experience.
  • At least 6 years of experience in testing and cybersecurity.
  • Minimum of 2 certifications, one in offensive security (e.g., OSCP, CRTO, GPEN, GXPN, CCSP) and one in cybersecurity, IT, computer science, governance, etc.
  • Proven experience in penetration testing across on-premise, web, and cloud environments.
  • Strong knowledge of network protocols, encryption, and common attack techniques.
  • Hands-on experience with penetration testing and red team tools, including: Active Directory & Enterprise Attacks, Command & Control (C2) Frameworks, Payload Generation & Shellcode Development, Binary Exploitation & Vulnerability Research, Reverse Engineering & Debugging, Fuzzing & Automated Vulnerability Discovery, Network Reconnaissance & Attacks, Tactical Simulation & Adversary Emulation.
  • Solid experience with Windows, Linux, and cloud platforms (AWS, Azure, GCP).
  • Scripting or programming skills in PowerShell, Python, Bash, or similar.
  • Experience collaborating with SOC teams and supporting incident response.
  • Advanced English (C1) communication skills (written and spoken).

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