Senior Security Architect, Consulting

Cognizant Technology Solutions; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading global professional services company is seeking a Security Architect to design, implement, and maintain the security architecture for client IT systems, ensuring alignment with organizational goals. The ideal candidate will possess strong skills in identity and access management, AWS, and security frameworks. This role also requires UK SC level Security Clearance. Join a collaborative and supportive team to help drive security improvements.

Qualifications

• Experience in designing security architecture for IT systems and networks.
• Ability to communicate with technical and non-technical stakeholders.
• Strong foundation in identity and access management and data protection.

Responsibilities

• Design and implement security architecture.
• Lead technology advisory consultancy and transformation delivery.
• Monitor and evaluate organizational security posture.

Skills

Architecture design (HLD, SAD)

Cloud-native (Microservice, EDA)

Amazon Web Services (AWS)

Security Web Gateway (WAF, API Gateway, Nginx)

Identity & Access Management (IAM, WSO2)

Key management (KMS, Entrust)

Database security (RDS, PostgreSQL)

Network security (GuardDuty, Shield)

Security frameworks (e.g., OWASP, NIST)

UK legislation (e.g., DPA, UK GDPR)

Agile methods (SCRUM)

Sparx EA (UML)

Job description

Role Profile

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The Security Architect will be responsible for designing, implementing, and maintaining the security architecture of the client's IT systems and networks. The Security Architect will work closely with other IT teams, business stakeholders, and external partners to ensure that the security policies, standards, and best practices are aligned with the organization's goals and objectives. The security architect also monitors and evaluates the security posture of the organization and recommends improvements and enhancements to mitigate risks and threats.

Roles & Responsibilities

• Shaping, leading and delivering value through technology advisory consultancy and through guiding transformational delivery engagements
• Strong stakeholder management and relationship building skills at senior levels that will enable consensus building and shaping technology direction
• Leading in the development and presentation of client proposals collaborating with teams across our business
• Leading in the development of collateral to support Technology Consulting 'go to market' propositions and service offerings
• Farming of accounts - working with account teams to support opportunity identification, qualification and sales
• Contribute to the development of practice members' skills to ensure a consistency of service delivery and expertise. Active coaching and mentoring of junior members of the team
• Develop, implement and continually refine a coherent approach and appropriate frameworks to support business transformation proposals, that includes presentations, specimen RFI/RFP content, methodologies, toolkits and deliverables.
• The Security Architect will have a strong foundation in the design of identity and access management, web service security, and data protection solutions implemented in a Java and AWS environment. They will have experience of creating high‑level designs (HLDs) from non‑functional requirements, following policies, standards, guidelines, and best practice security‑by‑design principles. They will own the design and be able to defend design choices at architecture assurance forums (e.g., TDA).
• The Security Architect must be comfortable drafting documents, preparing presentations, researching IT architecture and technology topics, and providing oversight to development teams. They must have the ability to abstract complex themes, problem solve, distil key discussion points, organise work, deliver to tight deadlines, and communicate with non‑technical and technical stakeholders.

Core skills and experience

• Architecture design (HLD, SAD)
• Cloud‑native (Microservice, EDA)
• Amazon Web Services (AWS)
• Security Web Gateway (WAF, API Gateway, Nginx)
• Identity & Access Management (IAM, WSO2)
• Key management (KMS, Entrust)
• Database security (RDS, PostgreSQL)
• Network security (GardDuty, Shield)
• Security frameworks (e.g., OWASP, NIST)
• UK legislation (e.g., DPA, UK GDPR)
• Agile methods (SCRUM)
• Sparx EA (UML)

Desirable skills and experience

• CISSP, CISM or SABSA Certified
• AWS Certified Security Specialty
• Java security (e.g., JCA, JAAS, JSSE)
• Security technology (e.g., ZTNA, SEIM, XDR, EDR)
• Familiarity with TOGAF

Security Clearance

• Candidates must hold or be able to gain UK SC level Security Clearance or higher.
• Can only accept applications from British passport holders who meet this criteria.

The Cognizant community

We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don't just dream of a better way - we make it happen.
• We take care of our people, clients, company, communities and climate by doing what's right.
• We foster an innovative environment where you can build the career path that's right for you.

About us

Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World's Best Employers 2025) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.