We are seeking a Senior Security Engineer with deep expertise in CrowdStrike to join a global cybersecurity engineering function within a leading financial services client. This role is focused on endpoint security and anti-malware, with a strong emphasis on solution design, configuration, and enterprise-scale deployment. You will act as a CrowdStrike Subject Matter Expert , owning the design, implementation, and continuous improvement of endpoint protection capabilities across a large, complex environment. The contract is inside IR35 and we will need someone to occasionally travel into Sheffield. Key responsibilities: Act as the CrowdStrike SME , leading the design, configuration, and optimisation of endpoint and anti-malware solutions Define current-state and target-state endpoint security architectures , including gap analysis and roadmap development Design and implement scalable endpoint security services to protect against an evolving threat landscape Provide technical leadership and consultation on endpoint protection, malware defence, and EDR Partner with infrastructure, platform, and security teams to ensure secure and compliant deployments Support compliance, audit, and control requirements across global environments Evaluate, onboard, and manage endpoint security technologies and vendors Drive process improvement, automation, and operational maturity within endpoint security services Essential experience: Strong hands-on experience with CrowdStrike (design, configuration, deployment, and operational support) Extensive background in endpoint security and anti-malware engineering Proven experience owning security solution design in large enterprise environments Strong understanding of endpoint threats, vulnerabilities, and mitigation techniques Experience securing Windows and server environments at scale Ability to troubleshoot complex endpoint security issues in production environments Excellent stakeholder engagement and communication skills Nice to have: Experience automating security tasks using scripting (e.g. Python or similar) Broader exposure to network, cloud, or application security controls Security certifications such as CISSP, CISM, or vendor-specific credentials More details available on successful application.
22/01/2026
Contractor
We are seeking a Senior Security Engineer with deep expertise in CrowdStrike to join a global cybersecurity engineering function within a leading financial services client. This role is focused on endpoint security and anti-malware, with a strong emphasis on solution design, configuration, and enterprise-scale deployment. You will act as a CrowdStrike Subject Matter Expert , owning the design, implementation, and continuous improvement of endpoint protection capabilities across a large, complex environment. The contract is inside IR35 and we will need someone to occasionally travel into Sheffield. Key responsibilities: Act as the CrowdStrike SME , leading the design, configuration, and optimisation of endpoint and anti-malware solutions Define current-state and target-state endpoint security architectures , including gap analysis and roadmap development Design and implement scalable endpoint security services to protect against an evolving threat landscape Provide technical leadership and consultation on endpoint protection, malware defence, and EDR Partner with infrastructure, platform, and security teams to ensure secure and compliant deployments Support compliance, audit, and control requirements across global environments Evaluate, onboard, and manage endpoint security technologies and vendors Drive process improvement, automation, and operational maturity within endpoint security services Essential experience: Strong hands-on experience with CrowdStrike (design, configuration, deployment, and operational support) Extensive background in endpoint security and anti-malware engineering Proven experience owning security solution design in large enterprise environments Strong understanding of endpoint threats, vulnerabilities, and mitigation techniques Experience securing Windows and server environments at scale Ability to troubleshoot complex endpoint security issues in production environments Excellent stakeholder engagement and communication skills Nice to have: Experience automating security tasks using scripting (e.g. Python or similar) Broader exposure to network, cloud, or application security controls Security certifications such as CISSP, CISM, or vendor-specific credentials More details available on successful application.
We are seeking an experienced Security Solution Designer with strong application and network architecture expertise to shape secure, resilient solutions within a regulated financial services environment. This role combines application architecture leadership with network security and segmentation design, requiring someone who can confidently operate across both disciplines. This is a must-have role for candidates with a software development background first , who deeply understand application architecture, and can also design the network and security controls required to protect those applications. The role is inside IR35 with a requirement to be in the Sheffield office up to 3-days per week. The role You will own end-to-end security solution design , producing high-quality architecture artefacts aligned to enterprise standards, regulatory expectations, and security frameworks (e.g. NIST ). You will work closely with CTO and network engineering teams, regulatory stakeholders, and delivery teams to ensure solutions are secure, compliant, and fit for purpose. This role operates at the intersection of application architecture and network architecture, requiring strong communication, documentation, and stakeholder engagement skills. Essential experience (must have): Strong application architecture experience: Designing modern software systems using recognised architecture patterns Defining application standards, patterns, and design principles API design and system integration Strong network security and segmentation experience: Designing network architectures that protect applications Macro- and micro-segmentation strategies Understanding of how network controls enforce application security Software development background first, with strong understanding of networking concepts Experience combining application architecture and network architecture into a single cohesive design Experience working in a financial services environment (preferably smaller banks, fintechs, hedge funds, or similar), with exposure to: Regulatory requirements Audit findings and remediation Strong stakeholder engagement and communication skills Proven ability to produce clear, high-quality architecture documentation Frameworks & tools Strong understanding of NIST and related security frameworks Experience with architecture modelling tools (BizzDesign, Archi, UML or similar) Jira and Confluence for delivery tracking and documentation Qualifications (preferred) Degree in computer science, software engineering, cybersecurity, or related field CISSP, CISM, or equivalent security certification TOGAF or SABSA certification More details available on successful application.
11/01/2026
Contractor
We are seeking an experienced Security Solution Designer with strong application and network architecture expertise to shape secure, resilient solutions within a regulated financial services environment. This role combines application architecture leadership with network security and segmentation design, requiring someone who can confidently operate across both disciplines. This is a must-have role for candidates with a software development background first , who deeply understand application architecture, and can also design the network and security controls required to protect those applications. The role is inside IR35 with a requirement to be in the Sheffield office up to 3-days per week. The role You will own end-to-end security solution design , producing high-quality architecture artefacts aligned to enterprise standards, regulatory expectations, and security frameworks (e.g. NIST ). You will work closely with CTO and network engineering teams, regulatory stakeholders, and delivery teams to ensure solutions are secure, compliant, and fit for purpose. This role operates at the intersection of application architecture and network architecture, requiring strong communication, documentation, and stakeholder engagement skills. Essential experience (must have): Strong application architecture experience: Designing modern software systems using recognised architecture patterns Defining application standards, patterns, and design principles API design and system integration Strong network security and segmentation experience: Designing network architectures that protect applications Macro- and micro-segmentation strategies Understanding of how network controls enforce application security Software development background first, with strong understanding of networking concepts Experience combining application architecture and network architecture into a single cohesive design Experience working in a financial services environment (preferably smaller banks, fintechs, hedge funds, or similar), with exposure to: Regulatory requirements Audit findings and remediation Strong stakeholder engagement and communication skills Proven ability to produce clear, high-quality architecture documentation Frameworks & tools Strong understanding of NIST and related security frameworks Experience with architecture modelling tools (BizzDesign, Archi, UML or similar) Jira and Confluence for delivery tracking and documentation Qualifications (preferred) Degree in computer science, software engineering, cybersecurity, or related field CISSP, CISM, or equivalent security certification TOGAF or SABSA certification More details available on successful application.
Data Anonymisation Specialist We are looking for a Data Anonymisation Specialist to join a financial services client based in Sheffield. The team are looking to hire a data anonymisation specialist who can be an integral part of helping the business to manage and mitigate any risks associated with third-party data sharing, across several short, medium and long-term planned activities. The Role We are specifically looking for someone with experience in supporting data anonymisation processes and an understanding of data types, structures and schemas. Applying your skills while considering the importance and impact of data security as a whole in a highly regulated environment is crucial. This is a great opportunity to be part of a developing service where your input is valued and can help drive its maturity and efficiencies for the future. Key Responsibilities: Advise application teams on Creation of data dictionaries Identifying sensitive data Define suitable anonymisation approaches Assign column level masking algorithms Operate the data masking service Support the data masking service Working with software vendor support and consultation services Some out-of-hours work supporting the masking service is required Experienced required: Proven experience with Structured data Data anonymisation analysis Data masking techniques Experience working with masking technology platforms Technical troubleshooting Working with stakeholders and building relationships Excellent verbal and written communication skills Immediate start (within 4 weeks) Desirable: Experience with writing and supporting Python code Experience with Delphix data masking or similar tooling Experience working in Azure or other cloud environment Experience in Financial Services or similar regulated sectors More details available on successful application.
06/10/2025
Contractor
Data Anonymisation Specialist We are looking for a Data Anonymisation Specialist to join a financial services client based in Sheffield. The team are looking to hire a data anonymisation specialist who can be an integral part of helping the business to manage and mitigate any risks associated with third-party data sharing, across several short, medium and long-term planned activities. The Role We are specifically looking for someone with experience in supporting data anonymisation processes and an understanding of data types, structures and schemas. Applying your skills while considering the importance and impact of data security as a whole in a highly regulated environment is crucial. This is a great opportunity to be part of a developing service where your input is valued and can help drive its maturity and efficiencies for the future. Key Responsibilities: Advise application teams on Creation of data dictionaries Identifying sensitive data Define suitable anonymisation approaches Assign column level masking algorithms Operate the data masking service Support the data masking service Working with software vendor support and consultation services Some out-of-hours work supporting the masking service is required Experienced required: Proven experience with Structured data Data anonymisation analysis Data masking techniques Experience working with masking technology platforms Technical troubleshooting Working with stakeholders and building relationships Excellent verbal and written communication skills Immediate start (within 4 weeks) Desirable: Experience with writing and supporting Python code Experience with Delphix data masking or similar tooling Experience working in Azure or other cloud environment Experience in Financial Services or similar regulated sectors More details available on successful application.
