Security Architecture & Design Professional

BT Group; Gurugram District; On-site; INR 1,500,000 - 2,700,000; Full time

Job summary

BT Group is seeking a Technical Security Architect to design, implement and support enterprise security solutions across firewalls, cloud security, SD‑WAN, segmentation, and WAF technologies. You will lead LLDs/LLDs, participate in workshops, and ensure alignment with security standards.

Role requires 3–8 years’ perimeter security experience, ITIL/ITSM proficiency, and strong communication. Collaboration with customers and BT teams is essential for delivering secure, scalable outcomes.

Qualifications

• 3–8 years of perimeter security experience.
• Must understand latest security landscape and ITIL/ITSM processes.
• Ability to communicate with internal/external stakeholders and customers.

Responsibilities

• Create LLDs and contribute to HLDs for multi-vendor security platforms.
• Lead implementation of firewalls, SASE/SSE, microsegmentation and ADC solutions.
• Conduct customer workshops and technical reviews.
• Perform complex troubleshooting and migrations.
• Mentor junior team members.

Skills

NGFW

FortiGate

Palo Alto

ZIA

ZPA

Prisma

Netskope

F5

Citrix ADC

WAF

Security design

Stakeholder mgmt

Change management

Incident management

Communication

Collaboration

Tools

F5 LTM

Citrix ADC

Job description

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.

About the role

Technical professional with perimeter level security experience of minimum 3-8 years, the candidate must possess understanding and knowledge of latest security landscape and must be able to work independently with minimum guidance. Must be thorough with ITIL and other ITSM processes. Can communicate effectively with internal/external stakeholders and customers. We are hiring for Professional level within our Security Architecture, Design & Implementation team. These role focus on designing, implementing, and supporting enterprise security solutions across firewalls, cloud security, SD‑WAN, segmentation, and application security technologies.

Security Architecture & Design

• Contribute to or lead development of High-Level Designs (HLDs) and Low-Level Designs (LLDs) for network and security solutions.
• Assist in defining end‑to‑end architectures for perimeter, cloud, and zero-trust controls.
• Participate in customer design workshops and technical discovery sessions.

Implementation & Deployment

• Build, configure, and deploy security platforms aligned to approved designs and standards.
• Perform migration, cutover, and validation activities for security technology deployments.
• Support integration with SIEM/SOAR, identity systems, and policy engines.

Documentation & Governance

• Create implementation guides, test cases, rollback plans, and operational handover documentation.
• Maintain compliance with internal security standards and industry frameworks (NIST, CIS, ISO, etc.).

Troubleshooting & Optimization

• Perform root‑cause analysis for design or implementation issues.
• Tune policies, configurations, and performance parameters as per best practices.

Experience: 3–8 years

Focus: Own solution components; contribute to design decisions.

Responsibilities

• Create LLDs and contribute to HLDs for multi‑vendor security platforms.
• Lead implementation of firewalls, SASE/SSE, microsegmentation, and ADC solutions.
• Conduct customer workshops and technical reviews.
• Perform complex troubleshooting and migrations.
• Mentor junior team members.

Skills

• Strong expertise in NGFW (FortiGate or Palo Alto preferred).
• Good knowledge of ZIA/ZPA/Prisma/Netskope.
• Working experience with F5/Citrix ADC and WAF solutions.
• Ability to translate business needs into technical controls.
• Strong understanding and appreciation of the relationship between BT and our customers
• Behave as the conscious of the customer whilst protecting the BT brand and driving profitable growth
• Extensive experience of working in complex Network security design & Implementation tasks
• Experience driving efficiencies in change and incident management
• Strong communication and collaboration skills, and experience managing by influence

Key Technologies You Will Work With

• Application Delivery: F5 LTM/GTM, Citrix ADC