Cyber Security Consultant - Security Testing & Assurance

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

Join Jacobs' Cyber & Digital team and help organisations strengthen their security posture by identifying vulnerabilities before adversaries can exploit them. You'll work across a diverse range of sectors, supporting clients with complex cyber security challenges through security testing, assurance and technical security assessment services.

This is an opportunity to work alongside experienced cyber security specialists, engineers, architects and consultants, helping clients improve resilience across modern technology environments, cloud platforms, operational technology and critical infrastructure. You'll contribute to meaningful projects that protect essential services, critical assets and business operations while continuing to deepen your own technical expertise.

Whether your experience has been gained through penetration testing, ethical hacking, security assurance, red teaming or broader cyber security disciplines, you'll be part of a collaborative community that values innovation, continuous learning and technical excellence. We are recruiting across multiple grades, offering opportunities for professionals at different stages of their cyber security careers.

Day to Day

• Deliver high-quality security testing and assurance engagements across a range of client environments and technology platforms
• Conduct penetration testing activities against applications, infrastructure, cloud environments, networks and operational technology systems
• Work within agile delivery teams, collaborating with stakeholders to solve complex security challenges and improve cyber resilience
• Assess security risks, identify vulnerabilities and provide pragmatic recommendations to strengthen security controls
• Produce high-quality technical and executive-level reports that clearly communicate findings and remediation priorities
• Present testing results and recommendations to both technical and non-technical stakeholders
• Participate in collaborative workshops and whiteboarding sessions to solve challenges and develop innovative security solutions
• Contribute to the development of internal tooling, methodologies, automation and testing capabilities
• Support and mentor colleagues through knowledge sharing, coaching and technical collaboration
• Contribute to cyber security training, awareness initiatives and capability development programmes
• Work closely with architects, engineers, developers and consultants to embed security throughout the solution lifecycle
• Deliver exceptional client outcomes while maintaining high technical and professional standards

What's In It For You

• Work on a broad range of cyber security projects across government, defence, critical infrastructure and commercial sectors
• Develop expertise across specialist areas such as cloud security, application security, operational technology, mobile security and emerging technologies
• Collaborate with highly skilled cyber security professionals across Jacobs' global network
• Gain exposure to complex and challenging client environments where no two engagements are the same
• Access structured learning, professional certifications and ongoing career development opportunities
• Contribute to technical communities, knowledge-sharing initiatives and cyber security thought leadership activities
• Build your career through both technical specialist and leadership development pathways
• Help organisations improve security, resilience and trust in an increasingly connected world

Benefits

• A global network of expertise and opportunity
• A culture founded on safety, integrity, inclusion and belonging
• Flexible working arrangements that support your well-being and potential
• Investment in your development, including certifications, learning time and access to mentors
• Opportunities to contribute to communities of practice, technical research and innovation initiatives
• Exposure to diverse projects across multiple industries and sectors
• Competitive benefits package including pension, holiday allowance and additional perks
• An inclusive environment where diverse perspectives, backgrounds and experiences are valued and encouraged

We welcome applications from candidates with varied backgrounds and experiences. If you don't meet every requirement listed but believe you can bring value to the role, we encourage you to apply.

Here's what you'll need

• CREST CRT, CTM/CSTM, CTL/CSTL, OSCP or equivalent industry-recognised security testing certification
• Experience delivering penetration testing, security assurance or ethical hacking engagements across enterprise environments
• Expertise in one or more specialist areas such as cloud security, mobile application testing, operational technology, telecommunications, defence, maritime or other regulated environments
• Strong understanding of security testing methodologies, vulnerability assessment techniques and attack frameworks
• Experience producing high-quality technical reports and communicating security risks to a broad range of audiences
• A passion for continuous learning and developing technical expertise
• Interest in supporting team growth through mentoring, training, capability development or tooling improvements
• Strong analytical and problem-solving skills with the ability to investigate complex technical challenges
• Excellent stakeholder engagement and collaboration skills
• A client-focused mindset with a commitment to delivering outstanding outcomes

#DigitalUKI

Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.

With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company. Find out more about life at Jacobs.

We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we’re more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation. We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging. Find out more about our Jacobs Employee Networks here.

Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit https//www.vercida.com/uk/employers/jacobs to view and access our roles.

As a disability confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.