Offensive Security Engineer - Pen Testing & Hardening

Atari; Newcastle upon Tyne; On-site; GBP 70,000 - 110,000; Full time

Job summary

Atari is seeking a Senior Offensive Security Engineer to evaluate and strengthen the security posture of IT infrastructure, applications, and networks. You will lead vulnerability assessments and hands‑on penetration testing, collaborating with cross‑functional teams to improve security controls and incident response readiness.

The role requires 3+ years in VAPT or related security fields, with familiarity in IoT/OT security and relevant certifications preferred.

Qualifications

• Bachelor’s degree in a related field is required.
• Strong knowledge of network protocols, OSI/TCP/IP models, and web technologies.
• Hands‑on experience with vulnerability assessments and security testing tools.

Responsibilities

• Conduct vulnerability assessments on internal/external systems, networks, and apps.
• Execute penetration tests on IT infrastructure, web apps, mobile, and networks.
• Analyze findings and prepare actionable remediation recommendations.
• Collaborate with security, development, and operations teams to remediate.
• Maintain documentation of assessment methodologies and results.

Skills

Penetration testing

Security assessments

Network protocols

OSI/TCP/IP knowledge

Manual testing

Security awareness

Scripting (Python/Bash/PowerShell)

Education

Bachelor's degree in Computer Science or related field

Tools

Nessus

Nmap

Burp Suite

Metasploit

Scapy

OWASP ZAP

Core Impact

Job description

Atari is seeking a Senior Offensive Security Engineer to evaluate and strengthen the security posture of IT infrastructure, applications, and networks. You will lead vulnerability assessments and hands‑on penetration testing, collaborating with cross‑functional teams to improve security controls and incident response readiness.

The role requires 3+ years in VAPT or related security fields, with familiarity in IoT/OT security and relevant certifications preferred.