Senior Security Architect(HLD)
Senior Security Architect(HLD)

Senior Security Architect(HLD)

City of London Full-Time 72000 - 84000 ÂŁ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Design and implement cutting-edge security solutions across various domains.
  • Company: Join a leading AI-driven digital engineering firm with a global impact.
  • Benefits: Enjoy a competitive salary, hybrid work model, and opportunities for personal growth.
  • Why this job: Make a real difference in cybersecurity while working with top industry leaders.
  • Qualifications: Proven experience in security architecture and strong documentation skills required.
  • Other info: Collaborative culture focused on innovation and employee wellbeing.

The predicted salary is between 72000 - 84000 ÂŁ per year.

Job 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:

  1. Experience in authoring substantial quality high level designs-Must
  2. Expertise in producing security solutions
  3. Expertise in designing and integrating various security tools specially.
  4. 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.

Senior Security Architect(HLD) employer: Persistent Systems

At Persistent, we pride ourselves on being an exceptional employer, offering a dynamic and inclusive work culture that prioritises employee growth and well-being. Located in the vibrant Harbour Exchange Square, London, our hybrid work model allows for flexibility while collaborating with industry leaders on cutting-edge security solutions. Join us to accelerate your career in a supportive environment that values innovation and diversity, empowering you to make a meaningful impact in the tech landscape.
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Contact Detail:

Persistent Systems Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Security Architect(HLD)

✨Network Like a Pro

Get out there and connect with folks in the industry! Attend meetups, webinars, or even just grab a coffee with someone who works at Persistent. Building relationships can open doors that applications alone can't.

✨Show Off Your Skills

When you land an interview, don’t just talk about your experience—show it! Bring examples of your previous work, like design documents or projects you've led. This will help us see how you can contribute to our team.

✨Tailor Your Approach

Do your homework on Persistent and the role of Security Architect. Tailor your discussions to highlight how your skills align with our needs, especially in areas like DLP and IAM. We love candidates who understand our mission!

✨Apply Through Our Website

Make sure to apply through our website for the best chance of getting noticed. It’s the quickest way for us to see your application and get you into the process. Plus, we’re always looking for passionate individuals like you!

We think you need these skills to ace Senior Security Architect(HLD)

High Level Design (HLD)
Security Solutions Design
Cloud Infrastructure Solutions (AWS, GCP, Azure)
Data Loss Prevention (DLP)
Security Information and Event Management (SIEM)
Identity and Access Management (IAM)
Endpoint Detection and Response (EDR)
Technical Documentation Skills
Compliance Knowledge (GDPR, HIPAA, ISO 27001)
Emerging Security Threats Awareness
NIST Framework Familiarity
TOGAF Knowledge
CISSP Certification
SABSA Certification
CCSP Certification

Some tips for your application 🫡

Tailor Your Application: Make sure to customise your CV and cover letter for the Senior Security Architect role. Highlight your experience in designing security solutions and any relevant certifications you hold. We want to see how your skills align with what we're looking for!

Showcase Your Documentation Skills: Since strong documentation skills are key for this position, include examples of your previous work, like Solution Design Documents (SDDs) or architecture diagrams. This will help us understand your ability to communicate complex ideas clearly.

Be Specific About Your Experience: When detailing your experience, focus on specific projects where you've implemented security solutions across various domains. We love seeing concrete examples that demonstrate your expertise in DLP, SIEM, IAM, and more!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you're keen on joining our team at Persistent!

How to prepare for a job interview at Persistent Systems

✨Know Your Security Domains

Make sure you brush up on your knowledge of key security domains like DLP, SIEM, IAM, and Endpoint Security. Be ready to discuss how you've designed solutions in these areas and how they align with compliance standards like GDPR and ISO 27001.

✨Showcase Your Design Skills

Prepare to talk about your experience in authoring high-level designs and producing Solution Design Documents (SDDs). Bring examples of your architecture diagrams and technical specifications to demonstrate your strong documentation skills.

✨Familiarise Yourself with Cloud Solutions

Since the role involves cloud infrastructure, ensure you're well-versed in AWS, GCP, and Azure security tools. Be prepared to discuss how you've integrated these tools into your security solutions and any challenges you've faced.

✨Engage with Stakeholders

Highlight your experience collaborating with various stakeholders like IT operations and compliance teams. Share specific examples of how you've gathered requirements and translated them into secure technical designs, showcasing your ability to communicate effectively.

Senior Security Architect(HLD)
Persistent Systems

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