Penetration tester Work, Jobs in Harpenden, Hrt (with Salaries)

Penetration Tester
Worknest Secure —Stevenage
- Computer Science
- Scripting
- Computer networking
- Annual leave
Principal Penetration Tester (12 Month FTC)
Allwyn UK —Watford
- Annual leave
- Employee assistance programme
Penetration Tester
Capgemini Sogeti —London
- Hybrid work
- Travel
- Communication skills
Senior Penetration Tester - CTM
Instil Software Ltd —London
- Full-time
- Remote
- Mentoring
- Employee assistance programme
Cyber Security Consultant (Penetration Tester)
Moore Kingston Smith —London
- £45,000 - £55,000 a year
- Full-time
- Hybrid work
- Business development
- Communication skills
Quick apply
Penetration Tester
G-Research —London
- Bar
- Mentoring
- Scripting
- Annual leave
Senior Penetration Tester
Bridewell —London
- Full-time
- Hybrid work
- Master's degree
- Travel
Quick apply
Security Test Co-Ordinator ( 9 Months FTC)
Allwyn UK —Watford
- Hybrid work
- Organisational skills
- Annual leave
- Employee assistance programme
Quick apply
IT/OT Penetration Tester
PA Consulting —London
- Full-time
- Hybrid work
- Agile
- Annual leave
Quick apply
Head of Cyber Security
Seven Investment Management —London
- Computer Science
- Bachelor's degree
- Financial services
Bug Bounty Analyst
Global Payments UK Ltd —London
- Computer Science
- Bachelor's degree
- Communication skills
Quick apply
Head of Cyber Security
7IM —London
- Computer Science
- Bachelor's degree
- Financial services
Offensive Security Manager
G-Research —London
- Bar
- Team management
- AI
- Annual leave
Security Engineer
Kennedys Law —London
- Hybrid work
Quick apply

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Penetration Tester

Worknest Secure -
Stevenage

Apply Now

Job details

Permanent

Benefits

Annual leave
Company pension
Discounted gym membership
Private medical insurance

Qualifications

Penetration testing
Report writing
Vulnerability research
Operating systems
Computer Science
Report generation
Client engagement
CEH
Quality assurance
Virtualisation
Risk management
Scripting
Computer networking
Technical writing
Communication skills

Full job description

At WorkNest Secure, we help organisations strengthen their cyber security posture through industry-leading security services and solutions. As we continue to grow, we're looking for talented CHECK Team Members to join our Offensive Security team as Offensive Security Consultants (Penetration Testers).

This is an exciting opportunity to join a fast-growing cyber security business, where you'll play a key role in helping our clients identify and mitigate security risks. You'll deliver CHECK-accredited penetration tests across a range of technologies and environments, providing clear, actionable insights that help organisations remain secure and resilient. Working alongside a highly skilled team, you'll have the opportunity to contribute to challenging engagements, develop your expertise, and make a meaningful impact for our clients.

Responsibilities:

Perform formal and comprehensive application, infrastructure and other penetration testing assessments where appropriate and required
Provide well-written, concise, technical and non-technical reports in English
Perform vulnerability assessments and provide findings with remediation actions
Support with various client pre-engagement interactions, including scoping activities and proposal drafting to ensure that client needs are met
Manage and deliver penetration testing project activities within strict deadlines
Support the QA process to ensure high quality client reports are delivered in accordance with applicable Service Level Agreement (SLA)
Any other appropriate job duties in line with the associated skill and experience of the post holder

Skills and experience required:

Proven industry experience in application and infrastructure penetration testing
CTM Status
Deep knowledge of assessing both Windows and Linux environments, including strong knowledge of Active Directory and wireless technologies
Ability in preparing and launching social engineering campaigns (both phishing and vishing)
Strong understanding of OWASP, PTES and other penetration testing methodologies
Knowledge of how modern web apps are designed, developed and deployed across different platforms
Ability to program or script in your preferred language
Relevant degree in Computer Science, Ethical Hacking, Engineering or other relevant subject
Relevant security qualifications (such as OSCP, CEH, GPEN)
Good knowledge and understanding of network and OS principles
Good knowledge of various operating systems
Good knowledge of virtualisation

Nice to have:

Knowledge of assessing cloud and hybrid environments (AWS and Azure)
Knowledge of assessing mobile applications (iOS/Android)
Knowledge of assessing hardware and embedded IoT devices

Personal Attributes:

Excellent spoken and written communication skills with strong attention-to-detail and accuracy
A passion for security and networks
Analytical and problem-solving skills with a can-do attitude and the ability to think laterally
Self-motivation with a commitment to continued development
Ability to work independently and as part of a team
Influencing and negotiation skills with the ability to build relationships at all levels
Willingness to learn

Benefits:

25 days annual leave plus birthday leave
Company pension
Subsidised gym membership
Employee benefits platform
Regular team events
Private healthcare (individual cover)
Learning allowance for personal development
Flexible working policy

If you're passionate about offensive security and committed to technical excellence, we'd love for you to join our team.

Apply Now

Refine Your Search

penetration tester jobs in harpenden, hrt

Penetration Tester

Principal Penetration Tester (12 Month FTC)

Penetration Tester

Senior Penetration Tester - CTM

Cyber Security Consultant (Penetration Tester)

Penetration Tester

Senior Penetration Tester

Security Test Co-Ordinator ( 9 Months FTC)

IT/OT Penetration Tester

Head of Cyber Security

Bug Bounty Analyst

Head of Cyber Security

Offensive Security Manager

Security Engineer

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