Penetration Tester

We are seeking a Penetration Tester to join a growing Offensive Security team within a specialist cyber security consultancy. This is an exciting opportunity to join at a time of significant investment and growth, helping to strengthen existing testing services while contributing to the development of new capabilities across areas such as Red Teaming, Operational Technology (OT), Threat-Led Security Testing and emerging technologies.

The successful candidate will play a key role in delivering penetration testing engagements, supporting process improvement initiatives, and helping to build a scalable and mature testing function. This position offers excellent opportunities for professional development, certification support and future progression into senior or leadership positions

.
JOB ROLE - PENETRATION TEST

ER
LOCATION - LONDON (OCCASIONAL ON-SITE WO

RK)
SALARY - £40,000-£45,000 + BENE

FITS
Key Responsibil

• ities
  Conduct vulnerability assessments and penetration testing engagements a

cross:
Internal infrast

ructure

External infrast

ructure

Web appli

cations

Networks and

• systems
  Perform configuration and build reviews using recognised security frameworks and ben
• chmarks.
  
  Produce clear, concise and actionable technical reports detailing findings, risk ratings and remediation recommen
• dations.
  
  Utilise industry-standard security testing tools including Burp Suite, Nessus, Metasploit, Nmap, Wireshark and related techn
• ologies.
  
  Work directly with clients and stakeholders, presenting findings and providing remediation guidance where r
• equired.
  
  Support the continuous improvement of testing methodologies, processes and docume
• ntation.
  
  Assist in creating and maintaining standard operating procedures, testing guides and knowledge-sharing ma
• terials.
  
  Collaborate with wider cyber security teams to support service development and research init
• iatives.
  
  Contribute to research and development activities across new security testing disciplines and techn
• ologies.
  
  Participate in occasional out-of-hours and on-site engagements where client requirements

dictate
Required Skills & E

• xperience
  Minimum 2–3 years' experience in penetration testing, vulnerability assessment or offensive
• security.
  
  Experience c
• onducting:
  
  Internal and external infrastructu
• re testing
  
  Web application securi
• ty testing
  
  Security assessments
• and audits
  
  Vulnerability identification and
• validation
  
  Strong understanding of networking concepts, protocols, routing and firewall tec
• hnologies.
  
  Experience working with Windows, Linux and macOS env
• ironments.
  
  Familiarity with security assessment tool

s such as:

Burp

Suite Nessu

sMet

asploitNm

• ap Wireshark
  Experience producing high-quality technical reports and client-facing do
• cumentation.
  
  Excellent communication and stakeholder manage
• ment skills.
  
  Strong organisational skills and ability to manage workload in
• dependently.
  
  Comfortable working in a consultancy or client-facing
• environment.
  
  Eligible to obtain UK Securit

y Clearance.
Desirable Skills & C

• ertifications
  CREST CRT, CPSA, CCT or equivalent
• certification.
  
  OSCP or similar offensive security
• qualification.
  
  Cyber Scheme
• accreditation.
  
  CHECK Team