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Penetration Tester – Assistant Manager

ExperiencedNo visa sponsorship
Deloitte logo

at Deloitte

Big Four

Posted 2 days ago

No clicks

**Penetration Tester – Assistant Manager** at Deloitte. **Manage customer technical assessments** across diverse services, using strong communication skills to provide guidance and improve overall customer experience. **Lead technical scoping of security testing activities** and perform various penetration testing tasks, including: - SAST/DAST - Software/Web Application/Web Services - Network - Mobile Application - Thick Client **Essential**: Proven experience in penetration testing, familiarity with OWASP Top Ten, and relevant tool proficiency (Burp, OWASP ZAP, Kali Linux, Nmap, etc.). Bachelor's degree or relevant work experience. **Preferred**: Threat modeling experience, scripting ability (Power Shell, Python), and knowledge of common vulnerabilities (OWASP, CVSS). Location: Birmingham, Bristol, Cardiff, Manchester, Reading, St Albans. Business Line: Enabling Functions. Manage customer requests, coordinate testing analysis, and support remedial actions. Drive risk reduction and continuous improvement.

Compensation
Not specified GBP

Currency: £ (GBP)

City
Birmingham, Bristol, Cardiff, Manchester
Country
United Kingdom

Full Job Description

Skip to content

Deloitte

Menu
  • Search jobs
  • Join our Talent Community
  • Why join Deloitte?
  • Login

Penetration Tester Assistant Manager

Basic information

Location
Birmingham, Bristol, Cardiff, Manchester, Reading, St Albans
Business Line
Enabling Functions
Job Type
Permanent / FTC
Date published
10-Jun-2026
Req #
23768

Job description

Connect to your Industry

Deloitte Technology works at the forefront of technology development and processes to support and protect Deloitte around the world. In this truly global environment, we operate not in "what is" but rather "what can be" to help Deloitte deliver and connect with its clients, its communities, and one another in ways not previously conceived.

Connect to your career at Deloitte    

Deloitte drives progress. Using our vast range of expertise, we help our clients' become leaders wherever they choose to compete. To do this, we invest in outstanding people. We build teams of future thinkers, with diverse talents and backgrounds, and empower them all to reach for and achieve more.

What brings us all together at Deloitte? Its how we approach the thousands of decisions we make every day. How we behave, our beliefs and our attitudes. In other words: our values. Whatever we do, wherever we are in the world, we lead the wayserve with integritytake care of each otherfoster inclusion, and collaborate for measurable impact. These five shared values lead every decision we make and action we take, guiding us to deliver impact how and where it matters most.

Connect to your opportunity

As part of the Global Cybersecurity team, responsibilities will be to work with customers to deliver technical assessments against a broad range of services. You will use your strong communication skills to provide consultative guidance to customers on findings identified, how to effectively engage services and the available capabilities.

In this role you will:

  • Evolve and enhance approach for managing customer requests and queries for technical testing
  • Support the integration of testing analysis across disciplines to improve testing exercises and improve end product to our customers
  • Assist in technical scoping of security testing activities
  • Curate and assessment of vulnerability data (across multiple platforms/tools)
  • Perform security testing activities:
    • SAST/DAST
    • Software/Web Application/Web Services penetration testing
    • Network Penetration Testing
    • Mobile Application Penetration Testing
    • Thick Client Penetration Testing
  • Architecture Security Analysis and Threat Modeling as required
  • Provide technical guidance in supporting member firms in conducting necessary remedial actions and responding to client vulnerability questions or disclosures
  • Help develop tooling deployment and relevant scanning configurations to enhance practical testing processes
  • Operate in the wider organization to drive risk reduction goals and in the continuous improvement vulnerability related service


Connect to your skills and professional experience

Essential:

  • Proven experience working in a professional environment preferably as part of an operational security function (Penetration Testing)
  • Experience in any of the following platforms would be highly beneficial; Burp or OWASP ZAP, Kali Linux, Nmap, Metasploit, Postman, Gobuster, Dirbuster, SQLMap
  • Experience with OWASP Top Ten
  • Familiarity with software security weakness and vulnerabilities
  • Demonstrated experience working with diverse stakeholders, preferably on a global multi-national basis
  • Bachelors degree (or equivalent) in a business or cyber security domain; or Candidates with relevant work experience in an appropriate field


Preferred:

  • Ability to communicate strategic information security topics, policies, and standards as well as risk-related concepts to technical and nontechnical audiences
  • Threat modeling experience
  • Scripting experience (Power shell, Python)
  • Sound knowledge of common infrastructure and web application vulnerabilities and common vulnerability categorizations such as OWASP, CVSS
  • Secure DevOps experience
  • Knowledge of ticketing and tracking tools such as Service Now Security Operations


Connect to your business - Enabling Functions

Collaboration is central to everything we do at Deloitte. From IT to HR, marketing and more, our teams help to support the wider business in everything they do. Bringing your individual skills and specialist knowledge, you can make a far-reaching impact. Come join us.

Personal independence

Regulation and controls are standard practice in our industry and Deloitte is no exception. These controls provide important legal protection for both you and the firm. We are subject to a number of audit regulations, one of which requires that certain colleagues abide by specific personal independence constraints (e.g., in relation to any financial interests and employment relationships). This can mean that you and your "Immediate Family Members" are not permitted to hold certain financial interests (shares, funds, bonds etc.) with audit clients of the firm, and also prohibitions on certain employment relationships (e.g., you are not permitted to hold a secondary employment role with SEC audit clients of the firm whilst being employed by the firm). The recruitment team will provide further detail as you progress through the recruitment process or you can contact the Independence team upon request.

Connect with your colleagues

"Everyone at Deloitte builds relationships with their peers and puts in effort to get to know one another, making the work more enjoyable." Deloitte Employee

Our hybrid working policy

Youll be based in one of our UK Offices with hybrid working.

At Deloitte we understand the importance of balancing your career alongside your home life. Thats why well support you to work flexibly through our hybrid working policy. Depending on the requirements of your role, youll have the opportunity to work in your local office, virtual collaboration spaces, client sites and remotely. Youll get the chance to meet face to face when needed, while you collaborate and learn from colleagues, share your experiences, and build the relationships that will fuel your career and prioritise your wellbeing. Please check with your recruiter for the specific working requirements that may apply for your role.

Our commitment to you

Making an impact is more than just what we do: its why were here. So we work hard to create an environment where you can experience a purpose you believe in, the freedom to be you, and the capacity to go further than ever before.

We want you. The true you. Your own strengths, perspective and personality. So were nurturing a culture where everyone belongs, feels supported and heard, and is empowered to make a valuable, personal contribution. You can be sure well take your wellbeing seriously, too. Because its only when youre comfortable and at your best that you can make the kind of impact you, and we, live for.

Your expertise is our capability, so well make sure it never stops growing. Whether its from the complex work you do, or the people you collaborate with, youll learn every day. Through world-class development, youll gain invaluable technical and personal skills. Whatever your level, youll learn how to lead.

Connect to your next step

A career at Deloitte is an opportunity to develop in any direction you choose. Join us and youll experience a purpose you can believe in and an impact you can see. Youll be free to bring your true self to work every day. And youll never stop growing, whatever your level.

Discover more reasons to connect with us, our people and purpose-driven culture at deloitte.co.uk/careers

WPFULL SLICSS BAGLOB LOCOFFICE


Apply
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2026. See Terms & conditions for more information.

Deloitte LLP is the United Kingdom affiliate of Deloitte NSE LLP, a member firm of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (DTTL). DTTL and each of its member firms are legally separate and independent entities. DTTL and Deloitte NSE LLP do not provide services to clients. Please see About Deloitte to learn more about our global network of member firms.

Deloitte LLP is a limited liability partnership registered in England and Wales with registered number OC303675 and its registered office at 1 New Street Square, London EC4A 3HQ, United Kingdom.

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Penetration Tester – Assistant Manager

Compensation

Not specified GBP

City: Birmingham, Bristol, Cardiff, Manchester

Country: United Kingdom

Deloitte logo
Big Four

2 days ago

No clicks

at Deloitte

ExperiencedNo visa sponsorship

**Penetration Tester – Assistant Manager** at Deloitte. **Manage customer technical assessments** across diverse services, using strong communication skills to provide guidance and improve overall customer experience. **Lead technical scoping of security testing activities** and perform various penetration testing tasks, including: - SAST/DAST - Software/Web Application/Web Services - Network - Mobile Application - Thick Client **Essential**: Proven experience in penetration testing, familiarity with OWASP Top Ten, and relevant tool proficiency (Burp, OWASP ZAP, Kali Linux, Nmap, etc.). Bachelor's degree or relevant work experience. **Preferred**: Threat modeling experience, scripting ability (Power Shell, Python), and knowledge of common vulnerabilities (OWASP, CVSS). Location: Birmingham, Bristol, Cardiff, Manchester, Reading, St Albans. Business Line: Enabling Functions. Manage customer requests, coordinate testing analysis, and support remedial actions. Drive risk reduction and continuous improvement.

Full Job Description

Skip to content

Deloitte

Menu
  • Search jobs
  • Join our Talent Community
  • Why join Deloitte?
  • Login

Penetration Tester Assistant Manager

Basic information

Location
Birmingham, Bristol, Cardiff, Manchester, Reading, St Albans
Business Line
Enabling Functions
Job Type
Permanent / FTC
Date published
10-Jun-2026
Req #
23768

Job description

Connect to your Industry

Deloitte Technology works at the forefront of technology development and processes to support and protect Deloitte around the world. In this truly global environment, we operate not in "what is" but rather "what can be" to help Deloitte deliver and connect with its clients, its communities, and one another in ways not previously conceived.

Connect to your career at Deloitte    

Deloitte drives progress. Using our vast range of expertise, we help our clients' become leaders wherever they choose to compete. To do this, we invest in outstanding people. We build teams of future thinkers, with diverse talents and backgrounds, and empower them all to reach for and achieve more.

What brings us all together at Deloitte? Its how we approach the thousands of decisions we make every day. How we behave, our beliefs and our attitudes. In other words: our values. Whatever we do, wherever we are in the world, we lead the wayserve with integritytake care of each otherfoster inclusion, and collaborate for measurable impact. These five shared values lead every decision we make and action we take, guiding us to deliver impact how and where it matters most.

Connect to your opportunity

As part of the Global Cybersecurity team, responsibilities will be to work with customers to deliver technical assessments against a broad range of services. You will use your strong communication skills to provide consultative guidance to customers on findings identified, how to effectively engage services and the available capabilities.

In this role you will:

  • Evolve and enhance approach for managing customer requests and queries for technical testing
  • Support the integration of testing analysis across disciplines to improve testing exercises and improve end product to our customers
  • Assist in technical scoping of security testing activities
  • Curate and assessment of vulnerability data (across multiple platforms/tools)
  • Perform security testing activities:
    • SAST/DAST
    • Software/Web Application/Web Services penetration testing
    • Network Penetration Testing
    • Mobile Application Penetration Testing
    • Thick Client Penetration Testing
  • Architecture Security Analysis and Threat Modeling as required
  • Provide technical guidance in supporting member firms in conducting necessary remedial actions and responding to client vulnerability questions or disclosures
  • Help develop tooling deployment and relevant scanning configurations to enhance practical testing processes
  • Operate in the wider organization to drive risk reduction goals and in the continuous improvement vulnerability related service


Connect to your skills and professional experience

Essential:

  • Proven experience working in a professional environment preferably as part of an operational security function (Penetration Testing)
  • Experience in any of the following platforms would be highly beneficial; Burp or OWASP ZAP, Kali Linux, Nmap, Metasploit, Postman, Gobuster, Dirbuster, SQLMap
  • Experience with OWASP Top Ten
  • Familiarity with software security weakness and vulnerabilities
  • Demonstrated experience working with diverse stakeholders, preferably on a global multi-national basis
  • Bachelors degree (or equivalent) in a business or cyber security domain; or Candidates with relevant work experience in an appropriate field


Preferred:

  • Ability to communicate strategic information security topics, policies, and standards as well as risk-related concepts to technical and nontechnical audiences
  • Threat modeling experience
  • Scripting experience (Power shell, Python)
  • Sound knowledge of common infrastructure and web application vulnerabilities and common vulnerability categorizations such as OWASP, CVSS
  • Secure DevOps experience
  • Knowledge of ticketing and tracking tools such as Service Now Security Operations


Connect to your business - Enabling Functions

Collaboration is central to everything we do at Deloitte. From IT to HR, marketing and more, our teams help to support the wider business in everything they do. Bringing your individual skills and specialist knowledge, you can make a far-reaching impact. Come join us.

Personal independence

Regulation and controls are standard practice in our industry and Deloitte is no exception. These controls provide important legal protection for both you and the firm. We are subject to a number of audit regulations, one of which requires that certain colleagues abide by specific personal independence constraints (e.g., in relation to any financial interests and employment relationships). This can mean that you and your "Immediate Family Members" are not permitted to hold certain financial interests (shares, funds, bonds etc.) with audit clients of the firm, and also prohibitions on certain employment relationships (e.g., you are not permitted to hold a secondary employment role with SEC audit clients of the firm whilst being employed by the firm). The recruitment team will provide further detail as you progress through the recruitment process or you can contact the Independence team upon request.

Connect with your colleagues

"Everyone at Deloitte builds relationships with their peers and puts in effort to get to know one another, making the work more enjoyable." Deloitte Employee

Our hybrid working policy

Youll be based in one of our UK Offices with hybrid working.

At Deloitte we understand the importance of balancing your career alongside your home life. Thats why well support you to work flexibly through our hybrid working policy. Depending on the requirements of your role, youll have the opportunity to work in your local office, virtual collaboration spaces, client sites and remotely. Youll get the chance to meet face to face when needed, while you collaborate and learn from colleagues, share your experiences, and build the relationships that will fuel your career and prioritise your wellbeing. Please check with your recruiter for the specific working requirements that may apply for your role.

Our commitment to you

Making an impact is more than just what we do: its why were here. So we work hard to create an environment where you can experience a purpose you believe in, the freedom to be you, and the capacity to go further than ever before.

We want you. The true you. Your own strengths, perspective and personality. So were nurturing a culture where everyone belongs, feels supported and heard, and is empowered to make a valuable, personal contribution. You can be sure well take your wellbeing seriously, too. Because its only when youre comfortable and at your best that you can make the kind of impact you, and we, live for.

Your expertise is our capability, so well make sure it never stops growing. Whether its from the complex work you do, or the people you collaborate with, youll learn every day. Through world-class development, youll gain invaluable technical and personal skills. Whatever your level, youll learn how to lead.

Connect to your next step

A career at Deloitte is an opportunity to develop in any direction you choose. Join us and youll experience a purpose you can believe in and an impact you can see. Youll be free to bring your true self to work every day. And youll never stop growing, whatever your level.

Discover more reasons to connect with us, our people and purpose-driven culture at deloitte.co.uk/careers

WPFULL SLICSS BAGLOB LOCOFFICE


Apply
Share this job:
Share
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tpt.queue.add( function () { "use strict"; (function ($) { $.get( "https://apply.deloitte.co.uk/UKCareers/RelatedJobs", function (data) { var data = $.trim(data); if(data){ $('#relatedJobs').append(data).removeClass('awaiting-content'); } else { $('#relatedJobs').addClass('visibility--hidden'); } tpt.queue.next(); } ); }($ || avajQuery)); } );

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  • AI & Data Architect, Consultant, Strategy, Governance & Architecture, AI & Data
  • AI Application Architect, Engineering AI & Data, Engineering
  • AI Business Analyst, AI & Data, Defence and Security
  • AI Delivery Lead, Associate Director - Insurance, Engineering AI & Data, AI&D
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View all
Back to job list

2026. See Terms & conditions for more information.

Deloitte LLP is the United Kingdom affiliate of Deloitte NSE LLP, a member firm of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (DTTL). DTTL and each of its member firms are legally separate and independent entities. DTTL and Deloitte NSE LLP do not provide services to clients. Please see About Deloitte to learn more about our global network of member firms.

Deloitte LLP is a limited liability partnership registered in England and Wales with registered number OC303675 and its registered office at 1 New Street Square, London EC4A 3HQ, United Kingdom.

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