Penetration Tester

Ultima; Reading; On-site; GBP 45,000 - 60,000; Full time

Benefits offered by this job

25 days’ holiday plus bank holidays

2 volunteering days

1 personal day

Life assurance

Enhanced parental leave

Cycle to Work scheme

Job summary

A leading technology provider in Reading is seeking a Penetration Tester to enhance its Security Testing Practice. The role involves delivering high-quality penetration testing engagements, supporting IT Health Checks, and collaborating with senior consultants. Ideal candidates will have a background in cybersecurity, hands-on experience in penetration testing, and relevant certifications such as CPSA or CRT. Benefits include competitive pay, diverse leave options, and opportunities for professional growth.

Qualifications

• 2+ years’ experience in penetration testing or equivalent practical experience.
• Eligibility to obtain and maintain UK security clearances.
• Hands-on capabilities in IT Health Check delivery.

Responsibilities

• Deliver IT Health Checks and penetration tests, identifying vulnerabilities.
• Translate complex technical findings into clear reports.
• Support continuous improvement in the Security Testing Practice.

Skills

Hands-on experience in penetration testing

Knowledge of Burp Suite

Familiarity with Nmap

Understanding of network protocols

Strong communication skills

Education

CREST Practitioner Security Analyst (CPSA)

CREST Registered Tester (CRT)

Cyber Scheme Team Member (CSTM)

Tools

Burp Suite

Nessus

Metasploit

Job description

Global Talent Acquisition Manager at Ultima Business Solutions - Driving Digital Transformation with the use of Artificial Intelligence and Automation

Are you an ambitious cybersecurity professional with a passion for uncovering vulnerabilities and strengthening digital defences?

Join Ultima’s Security Testing Practice as a Penetration Tester and play a key role in protecting our clients’ critical systems. Working alongside experienced consultants, you’ll deliver high-quality penetration testing engagements, contribute to continuous improvement, and grow your expertise in a collaborative, knowledge-sharing environment.

What you’ll be doing

Maintain your penetration testing qualifications and continue developing your technical expertise in line with business and client needs.

Deliver Quality Testing

Support the delivery of IT Health Checks and penetration tests, identifying vulnerabilities and providing clear, actionable recommendations to clients.

Collaborate and Learn

Work closely with senior consultants, sharing insights and best practices while contributing to a strong culture of learning within the Security Testing Practice.

Develop Broad Expertise

Expand your skill set to deliver a range of security testing services that support evolving business and client requirements.

You’ll also:

• Be passionate about the full security lifecycle
• Engage confidently with both technical and non-technical stakeholders
• Demonstrate curiosity, adaptability, and a solution-focused mindset
• Translate complex technical findings into clear, accessible reports

What we’re looking for

• Hands-on experience in penetration testing or IT Health Check delivery
• A current penetration testing qualification such as:
  • CREST Practitioner Security Analyst (CPSA)
  • CREST Registered Tester (CRT)
  • Cyber Scheme Team Member (CSTM)
• 2+ years’ penetration testing experience (or equivalent practical experience)
• Eligibility to obtain and maintain UK security clearances
• Familiarity with common tools such as Burp Suite, Nmap, Nessus, Metasploit, etc.
• Understanding of network protocols (TCP/IP, OSI model) and common web application vulnerabilities

Our values

At Ultima, you will live and breathe our values of Commitment, Collaboration, Inclusion, Innovation, and Inspiration.

Benefits

We offer competitive pay alongside a comprehensive benefits package, including:

• 25 days’ holiday (rising to 27) plus bank holidays
• 2 volunteering days and 1 personal day
• Life assurance
• Enhanced parental leave
• Cycle to Work scheme
• And more

About Ultima

Transforming technology into meaningful outcomes.

Ultima is a leading technology and managed services provider, helping organisations realise the full value of their IT investments. With deep expertise across security, cloud, data, and digital workplace solutions, we partner with customers to deliver secure, innovative, and impactful outcomes.

Learn more at www.ultima.com

Ultima is proud to be an equal opportunity employer, committed to building a diverse, inclusive, and equitable workplace where everyone can thrive.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting