2,507 Cryptography jobs in the United Kingdom

350/day Inside IR35 | 2 Days Onsite (Knutsford) | Financial Services - Banking Exp Preferred - SC Clearence or cleareable.

We're seeking a highly skilled Cryptographic Infrastructure Engineer with deep hands-on experience in Hardware Security Module (HSM) management and cryptographic operations to join a leading financial services organisation.

This is a contract role offering 350/day (Inside IR35) , with a hybrid working model requiring 2 days per week onsite in Knutsford .

• Manage and configure HSMs (Thales, Entrust, Gemalto or similar)
• Monitor HSM health using appropriate tools
• Automate cryptographic processes using Python or other scripting languages
• SSH key and certificate lifecycle management
• Generate key components across IBM, Tandem, Unix platforms
• Support incident, change, and problem management (ITIL-aligned)
• Maintain accurate documentation and audit trails
• Collaborate with stakeholders across security, infrastructure, and operations teams

• Recent hands-on experience with HSMs (Thales, Entrust, Gemalto)
• Proficiency in HSM monitoring tools
• Strong automation and scripting skills (Python preferred)
• Cryptography / Information Security background
• ITIL Foundation certification
• Bachelor's degree in Computer Science or related field
• Excellent stakeholder management and documentation skills

• Experience in operational IT security roles
• Familiarity with SharePoint, Confluence, JIRA
• Unix/Windows OS knowledge
• Experience in change and release management
• Strong incident response and communication skills

If this role is of interest please don't hesitat to apply or get in otuch at (url removed)

Job Title: Cryptography Analyst
Location: Hybrid working - 2 days a week in Knutsford Cheshire

Duration: Till 31st December 2025
Rate: 445.00 per day (Inside IR35)

Successful candidates will be required to go through a BPSS Clearance

We are looking for an experienced Cryptography Analyst to join a dedicated security team. You will be supporting the integrity and availability of the clients cryptographic infrastructure.
You will play a key role in supporting cryptographic hardware, key management services, certificate management, and ensuring adherence to IT security standards. Your expertise will help shape and secure the operations, aligning with the Crypto strategy and wider departmental goals.

Key Responsibilities

• Manage cryptographic hardware (HSMs - Thales, Entrust, Gemalto, etc.), including installation, configuration, and on-site activities
• Perform SSH key and certificate management
• Support cryptographic key lifecycle activities: generation, distribution, storage, recovery, and deletion
• Maintain accurate documentation and perform regular risk and compliance checks
• Handle incident, problem, and change management processes (aligned with ITIL best practices)
• Ensure strong governance, audit trails, and adherence to Barclays' IT Security Standards
• Contribute to automation and scripting efforts (e.g., Python) to streamline operations
• Participate in out-of-hours support and provide monthly risk/management reporting
• Collaborate with global teams across diverse platforms (IBM, Tandem, Unix)

Essential Skills & Qualifications

• Proven experience in cryptography or information security roles
• Hands-on experience with HSMs from vendors such as Thales, Entrust, or Gemalto
• Familiarity with HSM monitoring tools
• Strong scripting or coding skills (Python preferred)
• ITIL Foundation Certification
• Bachelor's Degree in Computer Science or related field
• Strong stakeholder management and communication skills
• Excellent attention to detail and ability to multitask
• Proficient in Microsoft Office tools

Desirable Skills

• Operational experience in IT Security environments
• Industry certifications in security and/or project management
• Experience with Unix/Windows operating systems
• Proficiency in tools such as SharePoint, Confluence, and JIRA
• Understanding of compliance, data protection, and incident response best practices
• Experience creating and maintaining operational documentation

If you are interested and looking for your next role, please apply with a copy of your CV or email - (url removed)

350/day Inside IR35 | 2 Days Onsite (Knutsford) | Financial Services - Banking Exp Preferred - SC Clearence or cleareable.

We're seeking a highly skilled Cryptographic Infrastructure Engineer with deep hands-on experience in Hardware Security Module (HSM) management and cryptographic operations to join a leading financial services organisation.

This is a contract role offering 350/day (Inside IR35) , with a hybrid working model requiring 2 days per week onsite in Knutsford .

• Manage and configure HSMs (Thales, Entrust, Gemalto or similar)
• Monitor HSM health using appropriate tools
• Automate cryptographic processes using Python or other scripting languages
• SSH key and certificate lifecycle management
• Generate key components across IBM, Tandem, Unix platforms
• Support incident, change, and problem management (ITIL-aligned)
• Maintain accurate documentation and audit trails
• Collaborate with stakeholders across security, infrastructure, and operations teams

• Recent hands-on experience with HSMs (Thales, Entrust, Gemalto)
• Proficiency in HSM monitoring tools
• Strong automation and scripting skills (Python preferred)
• Cryptography / Information Security background
• ITIL Foundation certification
• Bachelor's degree in Computer Science or related field
• Excellent stakeholder management and documentation skills

• Experience in operational IT security roles
• Familiarity with SharePoint, Confluence, JIRA
• Unix/Windows OS knowledge
• Experience in change and release management
• Strong incident response and communication skills

If this role is of interest please don't hesitat to apply or get in otuch at (url removed)

350/day Inside IR35 | 2 Days Onsite (Knutsford) | Financial Services - Banking Exp Preferred - SC Clearence or cleareable.

We're seeking a highly skilled Cryptographic Infrastructure Engineer with deep hands-on experience in Hardware Security Module (HSM) management and cryptographic operations to join a leading financial services organisation.

This is a contract role offering 350/day (Inside IR35) , with a hybrid working model requiring 2 days per week onsite in Knutsford .

• Manage and configure HSMs (Thales, Entrust, Gemalto or similar)
• Monitor HSM health using appropriate tools
• Automate cryptographic processes using Python or other scripting languages
• SSH key and certificate lifecycle management
• Generate key components across IBM, Tandem, Unix platforms
• Support incident, change, and problem management (ITIL-aligned)
• Maintain accurate documentation and audit trails
• Collaborate with stakeholders across security, infrastructure, and operations teams

• Recent hands-on experience with HSMs (Thales, Entrust, Gemalto)
• Proficiency in HSM monitoring tools
• Strong automation and scripting skills (Python preferred)
• Cryptography / Information Security background
• ITIL Foundation certification
• Bachelor's degree in Computer Science or related field
• Excellent stakeholder management and documentation skills

• Experience in operational IT security roles
• Familiarity with SharePoint, Confluence, JIRA
• Unix/Windows OS knowledge
• Experience in change and release management
• Strong incident response and communication skills

If this role is of interest please don't hesitat to apply or get in otuch at (url removed)

Job Title: Cryptography Analyst
Location: Hybrid working - 2 days a week in Knutsford Cheshire

Duration: Till 31st December 2025
Rate: 445.00 per day (Inside IR35)

Successful candidates will be required to go through a BPSS Clearance

We are looking for an experienced Cryptography Analyst to join a dedicated security team. You will be supporting the integrity and availability of the clients cryptographic infrastructure.
You will play a key role in supporting cryptographic hardware, key management services, certificate management, and ensuring adherence to IT security standards. Your expertise will help shape and secure the operations, aligning with the Crypto strategy and wider departmental goals.

Key Responsibilities

• Manage cryptographic hardware (HSMs - Thales, Entrust, Gemalto, etc.), including installation, configuration, and on-site activities
• Perform SSH key and certificate management
• Support cryptographic key lifecycle activities: generation, distribution, storage, recovery, and deletion
• Maintain accurate documentation and perform regular risk and compliance checks
• Handle incident, problem, and change management processes (aligned with ITIL best practices)
• Ensure strong governance, audit trails, and adherence to Barclays' IT Security Standards
• Contribute to automation and scripting efforts (e.g., Python) to streamline operations
• Participate in out-of-hours support and provide monthly risk/management reporting
• Collaborate with global teams across diverse platforms (IBM, Tandem, Unix)

Essential Skills & Qualifications

• Proven experience in cryptography or information security roles
• Hands-on experience with HSMs from vendors such as Thales, Entrust, or Gemalto
• Familiarity with HSM monitoring tools
• Strong scripting or coding skills (Python preferred)
• ITIL Foundation Certification
• Bachelor's Degree in Computer Science or related field
• Strong stakeholder management and communication skills
• Excellent attention to detail and ability to multitask
• Proficient in Microsoft Office tools

Desirable Skills

• Operational experience in IT Security environments
• Industry certifications in security and/or project management
• Experience with Unix/Windows operating systems
• Proficiency in tools such as SharePoint, Confluence, and JIRA
• Understanding of compliance, data protection, and incident response best practices
• Experience creating and maintaining operational documentation

If you are interested and looking for your next role, please apply with a copy of your CV or email - (url removed)

• Design, develop, and implement advanced cryptographic algorithms and protocols.
• Conduct in-depth security reviews and vulnerability assessments of cryptographic implementations.
• Develop and maintain secure key management systems and practices.
• Ensure cryptographic solutions meet stringent security, performance, and scalability requirements.
• Collaborate with software and hardware engineers to integrate cryptographic functionalities into products.
• Research and evaluate new cryptographic techniques and technologies.
• Contribute to the definition of the company's security architecture and strategy.
• Mentor and guide junior cryptography and security engineers.
• Author technical documentation and present findings to technical and non-technical audiences.
• Stay current with the latest advancements in cybersecurity and cryptography.

• Ph.D. or Master's degree in Computer Science, Electrical Engineering, Mathematics, or a related field with a specialization in Cryptography or Computer Security.
• Minimum of 8 years of professional experience in applied cryptography and security engineering.
• Deep understanding of symmetric and asymmetric encryption, hashing, digital signatures, TLS/SSL, and other cryptographic primitives.
• Proficiency in programming languages such as C/C++, Python, or Rust for implementing security solutions.
• Experience with hardware security modules (HSMs) and trusted execution environments (TEEs) is a plus.
• Strong knowledge of common security vulnerabilities and mitigation techniques.
• Excellent analytical, problem-solving, and critical thinking skills.
• Superior written and verbal communication skills, with the ability to articulate complex technical concepts.
• Demonstrated leadership experience and the ability to mentor technical staff.

• Design, implement, and test cryptographic algorithms and protocols for security-critical applications.
• Develop and maintain secure cryptographic libraries and modules.
• Analyze and assess the security of existing systems and propose cryptographic enhancements.
• Conduct research into new cryptographic techniques and their potential applications.
• Collaborate with software engineering teams to integrate cryptographic solutions into product development lifecycles.
• Ensure compliance with relevant security standards and regulations.
• Write clear and concise technical documentation for cryptographic designs and implementations.
• Mentor junior engineers on cryptographic principles and best practices.
• Participate in code reviews and contribute to the overall security posture of the organization.
• Stay updated with the latest advancements in cryptanalysis and cryptographic research.

• Master's or Ph.D. in Computer Science, Mathematics, or a related field with a specialization in cryptography.
• 5+ years of hands-on experience in implementing and deploying cryptographic systems.
• Strong theoretical understanding of modern cryptography, including symmetric and asymmetric encryption, hashing, digital signatures, and key management.
• Proficiency in programming languages such as C/C++, Python, or Rust.
• Experience with cryptographic libraries like OpenSSL, Libsodium, or similar.
• Knowledge of post-quantum cryptography is a significant advantage.
• Familiarity with blockchain technology and its cryptographic underpinnings.
• Excellent problem-solving and analytical skills.
• Ability to work independently and as part of a distributed team.
• Strong communication skills to effectively convey complex technical information.

• Advanced degree in Computer Science, Cryptography, Mathematics, or a related field.
• Extensive experience in applied cryptography and security engineering.
• Strong knowledge of symmetric and asymmetric encryption algorithms, hashing, digital signatures, and key management.
• Experience with cryptographic libraries and frameworks (e.g., OpenSSL, Bouncy Castle).
• Familiarity with formal verification methods for cryptographic protocols.
• Understanding of secure coding practices and threat modeling.
• Excellent analytical and problem-solving skills.
• Ability to conduct research and stay current with advancements in cryptography.
• Strong communication and collaboration skills.

• Research, design, and implement advanced cryptographic algorithms and protocols.
• Develop and audit secure software modules that utilize cryptographic primitives.
• Collaborate with cross-functional teams to integrate cryptographic solutions into various products and services.
• Analyze and mitigate security vulnerabilities related to cryptography.
• Stay at the forefront of cryptographic research and its applications in areas like zero-knowledge proofs, homomorphic encryption, and secure multi-party computation.
• Contribute to the development of our client's cryptographic standards and best practices.
• Document cryptographic designs and implementations thoroughly.
• Provide expertise and guidance on security best practices to engineering teams.
• Participate in code reviews, focusing on cryptographic security aspects.
• Contribute to the open-source cryptographic community where applicable.

• Ph.D. or Master's degree in Computer Science, Mathematics, or a related field with a specialization in Cryptography.
• Minimum of 5 years of experience in applied cryptography.
• Proven track record of designing and implementing secure cryptographic systems.
• Strong understanding of modern symmetric and asymmetric encryption, hashing, digital signatures, and key management.
• Experience with elliptic curve cryptography (ECC) and lattice-based cryptography is highly desirable.
• Proficiency in programming languages such as C++, Python, or Rust.
• Experience with cryptographic libraries and frameworks (e.g., OpenSSL, libsodium, Tink).
• Knowledge of formal verification methods for cryptographic protocols is a plus.
• Excellent analytical and problem-solving skills.
• Ability to work independently and effectively in a remote environment.
• Strong communication skills to articulate complex technical concepts.