Senior Security Architect(HLD)

CompanyPersistent Systems

LocationLondon Area, United Kingdom

Posted At2/12/2026

UK Visa Sponsorship Analytics

Occupation Type

Cyber security professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£48,500 (£24.87 per hour)

Occupation rate applies

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Description

About Persistent:

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q-o-Q and 18.8% Y-o-Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been named the fastest-growing Indian IT services brand in the “Brand Finance India 100” 2025 report. We were also cited as a Leader in the ISG Provider Lens™ 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025

About Position and details:

Role: Security Architect (HLD)
Location: Harbour Exchange Square, London
Hybrid: 2 days to office
Job Type: Permanent role

JD:

Experience in authoring substantial quality high level designs-Must
Identity and Access Management (IAM) is Must
Expertise in producing security solutions
Expertise in designing and integrating various security tools specially.
Expertise in Infrastructure cloud solutions (AWS, GCP, Azure)

Key responsibilities:

Develop Solution Design Documents (SDDs) for security solutions, ensuring alignment with enterprise architecture and security policies.
Design and architect solutions across various security domains including:
Data Loss Prevention (DLP)
Security Information and Event Management (SIEM)
Identity and Access Management (IAM)
Endpoint Detection and Response (EDR), MDM, and Endpoint Management tools
Cloud and On-Prem Security Solutions

Collaborate with stakeholders such as IT operations, application teams, compliance, and risk management to gather requirements and translate them into secure technical designs.

Evaluate and recommend security products, tools, and technologies.

Ensure solutions meet compliance, data privacy, and regulatory requirements (e.g., GDPR, HIPAA, ISO 27001).

Support solution implementation teams with architecture guidance and technical documentation.

Maintain up-to-date knowledge of emerging security threats and best practices to continuously enhance solution designs.

Qualifications -

Proven experience designing security solutions across multiple domains including DLP, SIEM, IAM, and Endpoint Security.
Bachelor’s degree in computer science, Cybersecurity, Information Systems, or related field (master’s preferred).
Experience in cybersecurity with 3+ years in a security architect or solution designer role.
Familiarity with industry standards and frameworks such as NIST, ISO 27001, TOGAF.
Strong documentation skills with experience writing SDDs, architecture diagrams, and technical specifications.

Certifications such as CISSP, SABSA, TOGAF, CCSP, or AWS/Azure Security are a plus.

Our company fosters a values-driven and people-centric work environment that enables our employees to:

· Accelerate growth, both professionally and personally

· Impact the world in powerful, positive ways, using the latest technologies

· Enjoy collaborative innovation, with diversity and work-life wellbeing at the core

· Unlock global opportunities to work and learn with the industry’s best

Let’s unleash your full potential at Persistent - persistent.com/careers

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.