Senior Penetration Tester (CHECK) — Flexible & Impactful

Instil; Belfast; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Discretionary annual performance bonus

Flexible working arrangements

Highly competitive pension scheme

Private healthcare

Employee Assistance Programme

Cycle-to-work scheme

35 days holiday

Job summary

A cybersecurity firm in Belfast is seeking a Senior Penetration Tester to deliver high-quality penetration testing across diverse client systems. The role requires at least 2 years of experience, proficiency in various testing methodologies, and current UK Security Clearance. Ideal candidates will have strong knowledge of cloud environments and tools such as BurpSuite and Nmap. The position offers competitive benefits including flexible working arrangements, a performance bonus, and a strong focus on professional development.

Qualifications

• Current UK Security Clearance required.
• 2+ years of penetration testing experience necessary.
• Strong experience with web application and network penetration testing methodologies.

Responsibilities

• Deliver high-quality penetration testing engagements across various domains.
• Identify and remediate security weaknesses in clients' systems.
• Mentor junior testers and contribute to methodological development.

Skills

CHECK Team Member (CTM) status

Current UK Security Clearance

At least 2+ years of penetration testing experience

Web application and network penetration testing methodologies

In‑depth knowledge of operating systems (Linux, Windows, Active Directory)

Familiarity with cloud environments

Proficiency with tools such as BurpSuite Pro, Nmap, Nessus, and Kali Linux

Knowledge of scripting languages (Python, Shell, etc.)

Job description

A cybersecurity firm in Belfast is seeking a Senior Penetration Tester to deliver high-quality penetration testing across diverse client systems. The role requires at least 2 years of experience, proficiency in various testing methodologies, and current UK Security Clearance. Ideal candidates will have strong knowledge of cloud environments and tools such as BurpSuite and Nmap. The position offers competitive benefits including flexible working arrangements, a performance bonus, and a strong focus on professional development.