Cyber Security Consultant - Security Testing & Assurance

Job ID: 48074Location: London, All GB Regions, United KingdomCapabilities: Digital and DataOffice Setup: HybridCompany: JacobsAt 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 DayDeliver high-quality security testing and assurance engagements across a range of client environments and technology platformsConduct penetration testing activities against applications, infrastructure, cloud environments, networks and operational technology systemsWork within agile delivery teams, collaborating with stakeholders to solve complex security challenges and improve cyber resilienceAssess security risks, identify vulnerabilities and provide pragmatic recommendations to strengthen security controlsProduce high-quality technical and executive-level reports that clearly communicate findings and remediation prioritiesPresent testing results and recommendations to both technical and non-technical stakeholdersParticipate in collaborative workshops and whiteboarding sessions to solve challenges and develop innovative security solutionsContribute to the development of internal tooling, methodologies, automation and testing capabilitiesSupport and mentor colleagues through knowledge sharing, coaching and technical collaborationContribute to cyber security training, awareness initiatives and capability development programmesWork closely with architects, engineers, developers and consultants to embed security throughout the solution lifecycleDeliver exceptional client outcomes while maintaining high technical and professional standardsWhat's In It For YouWork on a broad range of cyber security projects across government, defence, critical infrastructure and commercial sectorsDevelop expertise across specialist areas such as cloud security, application security, operational technology, mobile security and emerging technologiesCollaborate with highly skilled cyber security professionals across Jacobs' global networkGain exposure to complex and challenging client environments where no two engagements are the sameAccess structured learning, professional certifications and ongoing career development opportunitiesContribute to technical communities, knowledge-sharing initiatives and cyber security thought leadership activitiesBuild your career through both technical specialist and leadership development pathwaysHelp organisations improve security, resilience and trust in an increasingly connected worldBenefitsA global network of expertise and opportunityA culture founded on safety, integrity, inclusion and belongingFlexible working arrangements that support your well-being and potentialInvestment in your development, including certifications, learning time and access to mentorsOpportunities to contribute to communities of practice, technical research and innovation initiativesExposure to diverse projects across multiple industries and sectorsCompetitive benefits package including pension, holiday allowance and additional perksAn inclusive environment where diverse perspectives, backgrounds and experiences are valued and encouragedWe 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 certificationExperience delivering penetration testing, security assurance or ethical hacking engagements across enterprise environmentsExpertise in one or more specialist areas such as cloud security, mobile application testing, operational technology, telecommunications, defence, maritime or other regulated environmentsStrong understanding of security testing methodologies, vulnerability assessment techniques and attack frameworksExperience producing high-quality technical reports and communicating security risks to a broad range of audiencesA passion for continuous learning and developing technical expertiseInterest in supporting team growth through mentoring, training, capability development or tooling improvementsStrong analytical and problem-solving skills with the ability to investigate complex technical challengesExcellent stakeholder engagement and collaboration skillsA client-focused mindset with a commitment to delivering outstanding outcomes#LI-JW8 #DigitalUKIJoining 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 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.

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