82 Cryptography jobs in the United Kingdom

Job Title: Cryptography Analyst x3
Location: South of Manchester
Salary/Rate: Up to 481 per day INSIDE IR35
Start Date: 11/08/2025
Job Type: Contract


Company Introduction
We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled Cryptography Analyst to join their team for a contract until the end of the year.

Job Responsibilities

1. Undertake all team activities in line with client wider strategy, Crypto strategy and departmental goals.
2. Ensure the integrity and availability of cryptographic and key management services to business functions and applications.
3. Maintain accurate environment documentation, process and device categorisation.
4. Provide ongoing assurance that risk and compliance requirements are being conducted to a satisfactory level & are evidenced to a required level.
5. Generation of Key Components across various platforms (including IBM, Tandem, Unix) together with management of Cryptographic infrastructure.
6. SSH Key Management, Certificate management, HSM configuration/installation/support
7. Incident management, Change management, ITIL
8. Ensure the integrity and availability of cryptographic and key management services to business functions and applications
9. Ensure governance and clear record keeping of activities undertaken to ensure an accurate audit trail required for attestation/Audit support.
10. Take a proactive approach to improving operations and customer experience / turnaround.
11. Assist in the management of any control issues identified via audits or other control issues.
12. Support with resourcing, scheduling and distribution of work requests for HSM and Key management. Work closely with dates set in cooperation with Service Management to ensure smooth continuity of services and operations. Deliver to the required SLAs for all service.
13. Gather, distribute, store, recover and delete cryptographic keys in accordance with defined procedures and to meet service, risk and governance requirements as part of a component handling team across a variety of platforms across core geographic locations globally.

Required Skills/Experience
The ideal candidate will have the following:

1. Cryptographic Hardware Management - including on site local configuration activities
2. Management of Cryptographic infrastructure to include Out of Hours Support, production of Monthly management information and risk statements.
3. Adherence to Group IT Security Standards.
4. Problem, Incident & Change Management including root cause identification.
5. Procedure/process development, Project delivery.
6. Auditable Record Management.
7. Excellent Risk and Control Maintenance
8. Experience in Cryptography/Information Security
9. ITIL Foundation
10. Batchelor Degree in Computer Science
11. Strong stakeholder management, able to influence and negotiate at all levels
12. Attention to detail and accuracy of work
13. Experienced at making informed decisions, against tight timescales
14. Able to prioritise and manage multiple tasks concurrently
15. Proficient in MS Office applications

Desirable Skills/Experience
Although not essential, the following skills are desired by the client:

1. Industry relevant Security qualifications.
2. Industry relevant Project Management qualifications.
3. Experience in an Operational environment
4. Operational documentation creation and maintenance.
5. Deep understanding of change disciplines including change and release management and track record of delivering change projects in a timely manner with high quality
6. Strong in incident response procedures and standards, strong communication skills and ability to articulate complex events to management.
7. Experience of Sharepoint, Confluence and JIRA.
8. Unix/Windows O/S skills
9. Strong background in delivering privacy, compliance and data protection services.

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.


Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Cryptography Specialist

I am working with a global organisation that is expanding its cybersecurity capabilities and looking for a Cryptography Specialist to join their team. This is a fantastic opportunity to work at the forefront of digital security, managing encryption systems and key management processes that protect some of the organisation's most sensitive data.

As part of this role, you will be responsible for some of the following areas:

• Manage and maintain Hardware Security Modules (HSMs) and cryptographic infrastructure
• Create, store, rotate, and retire encryption keys securely across multiple platforms
• Support incident and change management processes related to cryptographic systems
• Collaborate with application, infrastructure, and support teams to ensure seamless integration
• Contribute to project delivery and continuous improvement initiatives

To be successful in the role you will have:

• Experience in cryptography and information security
• Hands-on experience with HSM configuration and support
• Familiarity with SSH key and certificate management
• Understanding of Unix and Windows environments

This is a hybrid role with flexibility to work remotely, though occasional office presence may be required. Some of the benefits included with the role are listed below:

• Starting salary of 35,000-45,000 depending on experience
• 12% pension contribution
• Private medical cover
• Discretionary bonus

This is just a brief overview of the role. For the full information, simply apply to the role with your CV, and I will call you to discuss further. My client is looking to begin the interview process ASAP, so don't miss out-APPLY now! To do so, please email me at (url removed) or call (phone number removed) .

Job Title: Cryptography Analyst x3
Location: South of Manchester
Salary/Rate: Up to 481 per day INSIDE IR35
Start Date: 11/08/2025
Job Type: Contract


Company Introduction
We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for a skilled Cryptography Analyst to join their team for a contract until the end of the year.

Job Responsibilities

1. Undertake all team activities in line with client wider strategy, Crypto strategy and departmental goals.
2. Ensure the integrity and availability of cryptographic and key management services to business functions and applications.
3. Maintain accurate environment documentation, process and device categorisation.
4. Provide ongoing assurance that risk and compliance requirements are being conducted to a satisfactory level & are evidenced to a required level.
5. Generation of Key Components across various platforms (including IBM, Tandem, Unix) together with management of Cryptographic infrastructure.
6. SSH Key Management, Certificate management, HSM configuration/installation/support
7. Incident management, Change management, ITIL
8. Ensure the integrity and availability of cryptographic and key management services to business functions and applications
9. Ensure governance and clear record keeping of activities undertaken to ensure an accurate audit trail required for attestation/Audit support.
10. Take a proactive approach to improving operations and customer experience / turnaround.
11. Assist in the management of any control issues identified via audits or other control issues.
12. Support with resourcing, scheduling and distribution of work requests for HSM and Key management. Work closely with dates set in cooperation with Service Management to ensure smooth continuity of services and operations. Deliver to the required SLAs for all service.
13. Gather, distribute, store, recover and delete cryptographic keys in accordance with defined procedures and to meet service, risk and governance requirements as part of a component handling team across a variety of platforms across core geographic locations globally.

Required Skills/Experience
The ideal candidate will have the following:

1. Cryptographic Hardware Management - including on site local configuration activities
2. Management of Cryptographic infrastructure to include Out of Hours Support, production of Monthly management information and risk statements.
3. Adherence to Group IT Security Standards.
4. Problem, Incident & Change Management including root cause identification.
5. Procedure/process development, Project delivery.
6. Auditable Record Management.
7. Excellent Risk and Control Maintenance
8. Experience in Cryptography/Information Security
9. ITIL Foundation
10. Batchelor Degree in Computer Science
11. Strong stakeholder management, able to influence and negotiate at all levels
12. Attention to detail and accuracy of work
13. Experienced at making informed decisions, against tight timescales
14. Able to prioritise and manage multiple tasks concurrently
15. Proficient in MS Office applications

Desirable Skills/Experience
Although not essential, the following skills are desired by the client:

1. Industry relevant Security qualifications.
2. Industry relevant Project Management qualifications.
3. Experience in an Operational environment
4. Operational documentation creation and maintenance.
5. Deep understanding of change disciplines including change and release management and track record of delivering change projects in a timely manner with high quality
6. Strong in incident response procedures and standards, strong communication skills and ability to articulate complex events to management.
7. Experience of Sharepoint, Confluence and JIRA.
8. Unix/Windows O/S skills
9. Strong background in delivering privacy, compliance and data protection services.

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.


Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Role Title: Cryptography Analyst
Location: South of Manchester
Start Date: ASAP
End Date: 31st December
Rate: 450 per day - PAYE via Umbrella Only

Overall purpose of role:

• Undertake all team activities in line with client wider strategy, Crypto strategy and departmental goals.
• Ensure the integrity and availability of cryptographic and key management services to business functions and applications.
• Maintain accurate environment documentation, process and device categorisation.
• Provide ongoing assurance that risk and compliance requirements are being conducted to a satisfactory level & are evidenced to a required level.
• Generation of Key Components across various platforms (including IBM, Tandem, Unix) together with management of Cryptographic infrastructure.
• SSH Key Management.
• Certificate management.
• HSM configuration/installation/support.
• Incident management.
• Change management.
• ITIL.
• Ensure the integrity and availability of cryptographic and key management services to business functions and applications.

Key Accountabilities:

• Cryptographic Hardware Management - including on site local configuration activities.
• Support with resourcing, scheduling and distribution of work requests for HSM and Key management. Work closely with dates set in cooperation with Service Management to ensure smooth continuity of services and operations. Deliver to the required SLAs for all service.
• Gather, distribute, store, recover and delete cryptographic keys in accordance with defined procedures and to meet service, risk and governance requirements as part of a component handling team across a variety of platforms across core geographic locations globally.
• Management of Cryptographic infrastructure to include Out of Hours Support, production of Monthly management information and risk statements.
• Adherence to Group IT Security Standards.
• Problem, Incident & Change Management including root cause identification.
• Procedure / process development.
• Project delivery.
• Cryptographic Hardware Management.
• Auditable Record Management.
• Excellent Risk and Control Maintenance.
• Ensure governance and clear record keeping of activities undertaken to ensure an accurate audit trail required for attestation/Audit support.
• Take a proactive approach to improving operations and customer experience / turnaround.
• Assist in the management of any control issues identified via audits or other control issues.

Essential Skills/Basic Qualifications:

• Experience in Cryptography / Information Security.
• ITIL Foundation.
• Batchelor Degree in Computer Science.
• Strong stakeholder management, able to influence and negotiate at all levels.
• Attention to detail and accuracy of work.
• Experienced at making informed decisions, against tight timescales.
• Able to prioritise and manage multiple tasks concurrently.
• Proficient in MS Office applications.

Desirable skills/Preferred Qualifications:

• Experience in IT Security roles.
• Knowledge of cryptography.
• Industry relevant Security qualifications.
• Industry relevant Project Management qualifications.
• Experience in an Operational environment.
• Operational documentation creation and maintenance.
• Deep understanding of change disciplines including change and release management and track record of delivering change projects in a timely manner with high quality.
• Strong in incident response procedures and standards, strong communication skills and ability to articulate complex events to management.
• Experience of Sharepoint, Confluence and JIRA.
• Unix/Windows O/S skills.
• Strong background in delivering privacy, compliance and data protection services.

Cryptography Specialist

I am working with a global organisation that is expanding its cybersecurity capabilities and looking for a Cryptography Specialist to join their team. This is a fantastic opportunity to work at the forefront of digital security, managing encryption systems and key management processes that protect some of the organisation's most sensitive data.

As part of this role, you will be responsible for some of the following areas:

• Manage and maintain Hardware Security Modules (HSMs) and cryptographic infrastructure
• Create, store, rotate, and retire encryption keys securely across multiple platforms
• Support incident and change management processes related to cryptographic systems
• Collaborate with application, infrastructure, and support teams to ensure seamless integration
• Contribute to project delivery and continuous improvement initiatives

To be successful in the role you will have:

• Experience in cryptography and information security
• Hands-on experience with HSM configuration and support
• Familiarity with SSH key and certificate management
• Understanding of Unix and Windows environments

This is a hybrid role with flexibility to work remotely, though occasional office presence may be required. Some of the benefits included with the role are listed below:

• Starting salary of 35,000-45,000 depending on experience
• 12% pension contribution
• Private medical cover
• Discretionary bonus

This is just a brief overview of the role. For the full information, simply apply to the role with your CV, and I will call you to discuss further. My client is looking to begin the interview process ASAP, so don't miss out-APPLY now! To do so, please email me at (url removed) or call (phone number removed) .

Summary

As a Senior Cryptography Engineer in Applied Cryptography, you must be an engineer, an architect, an applied cryptographer and leader - it’s a multifaceted role. You have the exciting challenge of working with bleeding-edge research and technology, always with a focus on the market's needs. You will be a leader to an exceptional team. Working on everything from Post-Quantum prototypes to hand-optimisation of existing primitives to completely new products. To support you on this challenge, we have software architects, product managers, project managers, formal methods specialists and QA test engineers, with whom you must have high bandwidth communications.

You must possess a pragmatic mindset for building great products, knowing how to balance features, compromise, technical debt and effort, in order to get products shipped whilst their market impact is high.

Duties

• Champion of the applied cryptography team
• Captain end to end development and delivery of new products
• Spearhead prototyping of cryptographic products
• Translate research into rigorous engineering specifications & implementations
• Meticulously review cryptographic protocols and proposed primitives

Requirements

Key Competencies 

• Expert knowledge of  ZK protocols, including PlonK, Halo2 and IPA commitment scheme
• Expert knowledge of elliptic curve cryptography
• Familiarity with blockchain  cryptography and constructions
• Practical experience with implementation of cryptographic primitives
• Expert in terms of secure design (constant time, operational security, management of key material)
• Document code and APIs concisely and unambiguously
• Pragmatically adhere to software engineering principles (modularity, incremental development, no premature optimization, no feature creep, no speculative generality, .)
• Security sensibility related to cryptographic implementation
• Good theoretical cryptography and mathematical knowledge
• Ability to read cryptographic papers, explain them, and manage delivery of their implementation
  

Education / Experience

• Degree in Computer Science/Engineering or Applied Mathematics is desirable but not essential  
• A minimum of 4-5 years development experience (professional or otherwise) in Rust 
• Experience working with Git and version control
• Expert knowledge of applied cryptographic engineering & best practices

Benefits

Location

IOG is a fully distributed organization but due to team distribution, we require someone to be based either in Ireland, the UK or Poland.

All colleagues

• Flexible schedule
• Remote work
• Laptop reimbursement
• New starter package to buy hardware essentials (headphones, monitor, etc)
• Learning & Development opportunities
• Competitive PTO and Sick Leave plan

UK & Ireland Employees

• Monthly Health Stipend to use towards any wellness or medical coverage/service
• Pension

At IOG, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.