Sr Specialist Cybersecurity Architect

AT&T; Hyderabad, Bengaluru; On-site; INR 2,400,000 - 4,000,000; Full time

Job summary

AT&T is seeking a Sr Specialist Cybersecurity Architect to lead the design and delivery of secure, scalable cybersecurity solutions across cloud and on-premises environments. You will guide cross-functional teams, perform threat modeling, and ensure architecture aligns with enterprise standards and regulatory requirements.

The role requires 8+ years of experience, strong leadership, and hands-on experience with Azure/AWS/GCP, Kubernetes security, and secure software practices.

Qualifications

• 8+ years of experience in cybersecurity architecture and related fields.
• Deep knowledge of web application security, cloud security, policy development, and incident response.
• Hands-on experience securing cloud platforms (Azure/AWS/GCP).
• Experience leading threat modeling activities using STRIDE/PASTA.
• Knowledge of OWASP Top 10 and secure-by-design principles.

Responsibilities

• Architect, design, and deliver large-scale cybersecurity solutions aligned with company guidelines.
• Document cybersecurity patterns for design, implementation and maintenance.
• Lead threat modeling exercises for applications, platforms, APIs, and cloud-native solutions.
• Mentor senior engineers and drive architectural decisions impacting product direction.
• Coordinate enterprise-wide security architecture initiatives and ensure alignment with EA principles.

Skills

Cybersecurity architecture

Threat modeling

Cloud security

Enterprise Architecture alignment

DevSecOps / CI/CD security

Kubernetes security

Security design patterns

Leadership & collaboration

AI/ML in security

Education

Bachelor's degree in Computer Science / Information Systems

Tools

Azure

AWS

GCP

Kubernetes

CI/CD tooling

Job description

Sr Specialist Cybersecurity Architect### Sr Specialist Cybersecurity ArchitectApply: Office Worker (NOT Remote): Hyderabad, India: Bangalore, India: Full time: Posted Today: End Date: November 30, 2026 (30+ days left to apply): R-121762**About the Company:**Join AT&T and reimagine the communications and technologies that connect the world. Our Chief Security Office ensures that our assets are safeguarded through truthful transparency, enforce accountability and master cybersecurity to stay ahead of threats. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.**About the Job:**AT&T is seeking a Sr. Specialist Cybersecurity Architect who is passionate about cybersecurity and has the analytical and multi-tasking abilities to thrive in a fast-paced environment. As a Sr.Specialist Cybersecurity Architect at AT&T, you will ensure technical feasibility and successful delivery of secure technology solutions. This role involves leading agile development, managing technical risks, providing expert technical guidance, and balancing agility with quality through effective security protocols. You must possess a strong technical background to ensure you are designing modular and scalable security architectures. Experience leading large cross-organizational cybersecurity projects and a well-rounded technical background in current cybersecurity technologies are essential.**Experience Level:**8+ years**Location:** Hyderabad or Bengaluru**Roles and Responsibilities:*** Architect, design, and deliver large-scale, reliable, maintainable, high-quality cybersecurity solutions and systems aligned with company guidelines and best practices.* Maintain comprehensive documentation and patterns for cybersecurity design, implementation, and maintenance, ensuring compliance with regulatory standards and internal policies.* Work with other cybersecurity SMEs to resolve the company’s most difficult cybersecurity problems, develop groundbreaking solutions, and push the boundaries of cybersecurity technology in alignment with strategic business objectives.* Lead the craftsmanship, availability, resilience, and scalability of cybersecurity solutions.* Accountable for the technical feasibility and delivery of secure products.* Address difficult and ambiguous cybersecurity problems spanning the interactions among multiple systems, products, organizations, people, and functions.* Model technology solutions by iteratively translating cybersecurity needs and business constraints into working designs.* Balance agility and quality with the right security protocols.* Provide guidance and mentorship to Senior Engineers, lead technical discussions, and make architectural decisions that positively impact the product and company’s direction.* Drive enterprise-wide security architecture initiatives and ensure alignment with Enterprise Architecture principles, standards, and strategic roadmaps.* Lead and facilitate threat modeling exercises for applications, platforms, APIs, and cloud-native solutions to proactively identify and mitigate security risks.**Primary / Mandatory skills:*** 8+ years of experience in cybersecurity architecture and related fields.* Deep knowledge of web application security, cloud security, security systems design, policy development, compliance, and incident response.* Hands-on experience securing cloud platforms such as Microsoft Azure, Amazon Web Services (AWS), and/or Google Cloud Platform (GCP).* Strong understanding of Enterprise Architecture frameworks and experience aligning cybersecurity solutions with enterprise technology strategies.* Experience conducting and leading Threat Modeling activities using industry-recognized methodologies (e.g., STRIDE, PASTA, or equivalent).* In-depth knowledge of secure application development practices and the OWASP Top 10, with the ability to incorporate security-by-design principles into solution architectures.* Bachelor's degree in Computer Science, Information Systems, or a related field preferred.* Experience in drafting Security Design Patterns across all cybersecurity domains.* Expertise and deep understanding of Information Security domains.* Experience in thought leadership and creating high-quality cybersecurity solutions.* Experience in leadership with the ability to work well across business units, building relationships to deliver on joint objectives and key results.* Expertise in building cybersecurity platforms.* Experience working within Agile/Scrum/Kanban development teams.* Excellent written and verbal communication skills with the demonstrated ability to present complex technical information clearly to peers, developers, architects, and senior leaders.* Experience with Zero Trust Architecture, DevSecOps, Kubernetes/Container Security, API Security, CI/CD Security, and Security Architecture Reviews.* Experience with cloud-native security services, Cloud Security Posture Management (CSPM), and Infrastructure-as-Code security controls.* Familiarity with risk assessments, security governance frameworks, and regulatory standards such as NIST, ISO 27001, SOC2, PCI-DSS, and GDPR.* Familiarity with applying Artificial Intelligence (AI) or Machine Learning (ML) techniques in cybersecurity contexts (e.g., anomaly detection, threat hunting, behavioral analytics, or risk scoring).* Experience leveraging AI-enabled tools (such as Copilot for Security, Darktrace, CrowdStrike Charlotte AI, or custom LLM integrations) to enhance detection, response, and automation workflows.* Understanding of LLM safety, prompt engineering, or AI governance frameworks (e.g., NIST AI RMF, EU AI Act readiness) is a plus.* Exposure to data science fundamentals relevant to security (pattern recognition, supervised vs. unsupervised learning, model validation).* Awareness of AI-driven risks (e.g., adversarial ML, data poisoning, model hallucination) and their mitigation within enterprise environments.* Interest in leveraging GenAI for security operations, such as summarizing alerts, drafting reports, or automating incident triage.**Additional information (if any):** Flexible to provide coverage in US morning hours upon need.**Certification**: CISSP, CCSP, TOGAF, SABSA, Azure Security Engineer Associate, AWS Security Specialty, Google Professional Cloud Security Engineer, or equivalent security/cloud architecture certifications are highly desirable.**Weekly Hours:**40**Time Type:**Regular**Location:**Bangalore, India, Hyderabad, India AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.