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Job title

Data Science Engineer

Job Type

Contract (6 Months)

Client / Industry

Software

Location

Reading (Hybrid/ Remote)

Key roles and responsibilities

Design and deliver a sophisticated EDU rSAM (remaining sales addressable market) model to quantify untapped revenue opportunities across global education markets.Partner cross-functionally with key stakeholders to deeply understand the complexities of the education sector, including diverse subscription models, institutional procurement structures, and consortium-based purchasing dynamics.Collaborate with Data Engineering teams to integrate and operationalise third-party datasets e.g. student population and institutional metrics to create rich, actionable customer intelligence profiles.Work closely with the Product Marketing and Sales Strategy teams to align analytical outputs with go-to-market strategies, pricing frameworks, and commercial objectives at the product-offering level.Design, build, and productionise scalable end-to-end data pipelines incorporating normalised customer attributes, behavioural signals, and finalised rSAM outputs.Combine the EDU rSAM with advanced propensity modelling techniques to optimise education-focused sales motions and accelerate customer growth opportunities.Deliver high-impact strategic insights on market opportunity sizing and customer propensity trends to senior leadership, enabling data-driven decision-making and long-term commercial planning.

Skills Looking for:

5+ years of advanced SQL expertise, with a strong track record in querying, cleansing, integrating, and analysing complex datasets at scale, ideally within Databricks environments.Strong Python capabilities for data manipulation, statistical analysis, and predictive modelling.Demonstrated success in developing, validating, and continuously optimising data science models that directly contribute to revenue growth and commercial performance.Experience with propensity modelling and related predictive analytics techniques is highly advantageous.Exceptional ability to translate complex analytical findings into clear, compelling insights for senior stakeholders and cross-functional audiences.Strong analytical thinking and problem-solving skills, with proven success operating in fast-paced, high-growth environments with evolving business priorities.

GCS is acting as an Employment Business in relation to this vacancy.

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As a Senior Cyber Security Engineer, you will play a critical role in delivering cyber strategies, with responsibility for the design, implementation, and ongoing effectiveness of security capabilities across IT and OT environments.

You will engineer and maintain the technical capabilities that enable early threat detection, rapid and consistent response, and sustained cyber risk reduction, while translating cyber risk, regulatory, and business demands into practical, measurable, and operationally sustainable security controls.

This is a hands‑on engineering role for individuals who enjoy building resilient security capabilities, integrating platforms and telemetry, and turning strategy, risk, and incident learnings into practical engineering outcomes. The role requires a strong understanding of security engineering concepts, infrastructure technologies, and best practices, along with the ability to collaborate effectively across IT, OT, and security operations to drive continuous improvement.

You must be able to obtain Counter Terrorist Check (CTC) Clearance to be eligible for this position.

What you'll be doing as a Senior Cyber Security Engineer

Collaborate with stakeholders to design, implement and maintain security controls to meet business, compliance, and risk mitigation requirements; ensuring controls are effective, measurable, and operationally sustainable.Implement and maintain detection and response capabilities through SIEM integration with security controls and IT systems, with a focus on reducing time‑to‑detect and time‑to‑remediate through improved pre‑incident engineering.Participation in a 24x7 on‑call support rota, responding to SIEM health alerts and restoring log ingestion where required.Manage use cases, perform data enrichment, and define standardised and automated containment workflows.Develop and manage operational procedures and reporting methodology.Manage and oversee security technology platforms (e.g. SIEM, SOAR, EDR, and email security).Monitor ongoing control performance and coordinate remediation where gaps are found.Automate operation procedures and reporting processes and integrate outputs into risk reporting frameworks.Liaise with IT and OT teams to ensure controls are implemented according to agreed baselines.Align control design with industry standards, regulations, and best practices. (e.g. NIS, ISO27001, GDPR).Support audits, reviews, and assessments of security controls.Identify and implement improvements to control coverage and resilience.Proactively advise on technology, best practices, and delivery models.

What you should bring to the role

Experience in Security Engineering, with a focus on detection & response engineering in an enterprise environment.Strong understanding of both IT and OT systems and infrastructure.Experience in identifying and remediating cyber risks in evolving digital environments.Familiarity with SIEM, EDR, email security and identity and access management technologies (e.g. Entra ID, CyberArk).Familiarity with a range of operating systems and security considerations across SaaS, IaaS, end-user computing, and server estate.Sound knowledge of cloud and network security technologies.Strong analytical, planning, and organisational skills.Ability to communicate technical issues clearly to non-technical stakeholders.Degree in Cyber Security, Computer Science, Information Technology, Engineering, or a related field.Industry certification(s) such as CISSP, CCSP, CompTIA Security+, or SC-200.

It would be great if you also had

Previous experience working in a large, complex infrastructure-based or water utility organisation.Experience in systems or network administration in IT and/or OT environments.Experience leading or mentoring others in delivering cybersecurity outcomes.Security engineering vendor or product certifications such as Microsoft Certified: Azure Security Engineer Associate, Tenable, or CyberArk.

GCS is acting as an Employment Agency in relation to this vacancy.

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As a Security Penetration Tester, you will be responsible for supporting the design, implementation, and maintenance of TVM (Threat & Vulnerability Management) solutions, controls and processes across the organisation. You will be liaising with Digital teams to ensure appropriate mitigation and remediation of vulnerabilities detected across our IT estate.

This role requires an understanding of TVM concepts, technologies, and best practices, as well as the ability to collaborate effectively with cross-functional teams. The ideal candidate will possess strong communication and will be committed to ensuring the highest level of security, compliance, and user experience.

Security Clearance: CTC (Counter Terrorist Check) clearance is essential. You must currently hold or be able to attain CTC clearance for this role.

What you'll be doing as a Security Penetration Tester

Help support and develop an internal penetration testing function.Conduct network, application penetration testing, code and security reviews.Identify and exploit vulnerabilities through proof-of-concept testing.Support vulnerability management across the enterprise, ensuring that a framework for identification, categorisation and mitigation exists and is implemented and maintained.Responsible for supporting the creation of the operating model for vulnerability management, that it is shared, agreed and operates effectively across the business.Develop and maintain penetration testing documentation, policies, and procedures.Integrate cyber security solutions (e.g. vulnerability scanning tools) with existing systems, applications, and infrastructure.Evaluate and recommend technologies, tools, and vendors to meet business needs.Investigate newly identified cyber security vulnerabilities and provide appropriate mitigation actions.Liaise and coordinate with technology and business stakeholders in relation to cyber security patching and vulnerability management issues/actions.Maintain a cyber threat assessment methodology, align to evolving industry standards and integrate into BAU and project-based business processes.Support with proactive threat hunting for new and emerging cyber threats.Develop and maintain dashboards with cyber security threat and vulnerability metrics.Support compliance with relevant industry standards, regulations, and best practices, such as GDPR, NIS and ISO 27001.

What you should bring to the role

Strong knowledge of manual penetration testing techniques and confident with operating systems and tools such as Tenable, Burp Suite, Kalli Linux.Exposure to remediating vulnerabilities and patch management in a complex business environment.Experience in remediating cyber risks in the ever-changing digital estate.Experience in a penetration testing enterprise environment.Prepare detailed reports and the ability to present findings to key stakeholders.Cyber security industry certification(s) such as CSTM/ CRT/ OSCP/CTL.Understanding of different patching management techniques and approaches for different technology stacks (e.g. SaaS, IaaS, End-User Computing, Server Estate, etc.).Knowledge of TVM concepts, technologies, and best practices, including OSINT tools, vulnerability assessment, threat modelling, etc

GCS is acting as an Employment Agency in relation to this vacancy.

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As a Cyber Threat & Vulnerability Manager, you will play a key role within the Security Operations function, leading the organisation's threat intelligence, vulnerability management, and intelligence-led testing capabilities across both IT and OT environments. Working closely with cybersecurity leadership, enterprise architects, programme delivery teams, and key business stakeholders, you will ensure that Threat and Vulnerability Management (TVM) services are effective, scalable, and continuously improved.

This role contributes to the cyber resilience by driving a risk-based approach to vulnerability management, embedding threat intelligence into operational and strategic decision-making, and enhancing security maturity across the organisation. You will lead a team of specialists, oversee governance and tooling, and ensure that TVM capabilities align with organisational objectives, regulatory requirements, and evolving threat landscapes.

You must be able to obtain Counter Terrorist Check (CTC) Clearance to be eligible for this position.

What you'll be doing as a Cyber Threat & Vulnerability Manager

Lead enterprise vulnerability management, ensuring frameworks for identifying, prioritising, and remediating vulnerabilities are defined, implemented, and continuously improved.Manage the Cyber Threat Intelligence service, ensuring intelligence is collected, analysed, and operationalised to support risk reduction and security operations.Collaborate with technical and business stakeholders to align TVM activities with organisational objectives and risk appetite.Develop and maintain TVM documentation, including policies, standards, procedures, and governance controls.Integrate and optimise vulnerability management, threat intelligence, and assessment tooling across enterprise systems and workflows.Oversee intelligence-informed testing activities, including targeted assessments, exploit validation, and internal testing services.Evaluate and recommend tools, technologies, and vendors to support and enhance TVM capabilities.Investigate newly identified vulnerabilities and coordinate risk-based mitigation and remediation activities.Work closely with technology teams to ensure effective patching, remediation tracking, and resolution of blockers.Maintain and evolve the organisation's cyber threat assessment methodology aligned with industry standards and risk management processes.Lead proactive threat hunting activities to identify emerging threats and suspicious activity across the technology estate.Develop and maintain dashboards, reporting, and operational metrics that demonstrate risk reduction and control effectiveness.Ensure compliance with relevant standards and regulations such as GDPR, NIS, and ISO 27001.Monitor and improve the effectiveness of TVM processes, controls, and supporting technologies.Provide leadership, coaching, and performance management to the TVM and testing team.Build and maintain strong relationships with external intelligence providers, vendors, and delivery partners.Stay current with emerging threats, technologies, and industry best practices to continuously enhance security operations.Support major incident response activities where required as part of Security Operations.

What you should bring to the role

Experience leading or managing threat and vulnerability management processes and controls within a complex enterprise environment.Strong experience in vulnerability remediation and patch management across diverse and evolving technology estates.Experience managing cyber risks within dynamic digital and operational technology environments.Ability to line manage and develop a team of security professionals towards shared objectives.Strong analytical, problem-solving, and decision-making skills.Experience managing third-party delivery partners, vendors, and service providers.Excellent communication skills with the ability to explain complex security concepts to non-technical stakeholders.Strong organisational, planning, and strategic thinking capabilities.Innovative mindset with a focus on continuous improvement and measurable risk reduction.Experience producing operational metrics and dashboards that demonstrate TVM effectiveness and cyber maturity improvements.

Technical experience and skills

Hands-on experience with vulnerability management and threat intelligence tools such as Tenable and Qualys.Strong understanding of TVM concepts, including vulnerability assessment, threat modelling, OSINT, threat intelligence, and penetration testing.Knowledge of patch management approaches across SaaS, IaaS, end-user computing, server, and enterprise technology environments.Experience implementing risk-based approaches to vulnerability prioritisation and remediation.Ability to develop dashboards and reporting that demonstrate control effectiveness, risk reduction, and technical debt management.Experience aligning security practices with frameworks and regulations such as ISO 27001, NIS, and GDPR.

Desirable qualifications and experience

Experience working within utilities, critical infrastructure, or large complex enterprise environments.Experience managing vulnerabilities and cyber risks within operational technology (OT) environments.Familiarity with legacy systems and managing vulnerabilities within ageing technology estates.Experience supporting cyber security transformation programmes and strategic cyber roadmaps.

Desirable technical skills and qualifications

Degree in Cyber Security, Computer Science, Information Technology, Engineering, or a related field.Professional certifications such as CISSP, CISM, or CCSP.TVM-specific certifications such as Certified Threat Intelligence Analyst (CTIA) or Certified Vulnerability Assessor (CVA).Knowledge of penetration testing, ethical hacking, or related security assessment practices.

GCS is acting as an Employment Agency in relation to this vacancy.

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