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Application Security Architect - Bulgaria

Netcracker

Sofia, Bulgaria (Bulgaria - Sofia) permanent

Posted: March 26, 2026

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Quick Summary

We are looking for an Application Security Architect to design and implement secure application security solutions for our customers.

Job Description

We’re building the future of how the world communicates.

Netcracker, part of NEC Corporation, combines deep telecom industry expertise with cutting-edge cloud-native and AI-powered innovations to enable communications service providers and enterprises to transform their businesses, unlock innovation, and create meaningful digital experiences for millions of people around the world.

With more than 30 years of experience serving over 250 customers in more than 70 locations worldwide, we are the global market leader in telecom software and services.

Join us and be part of a team that is not just keeping up with the digital future but is leading the way.

Application Security Architect

Position Summary

We are looking for a person with deep knowledge of web and mobile application security, proven experience implementing secure web and mobile applications, and a project-oriented mindset. It will be required to demonstrate knowledge of authentication standards (Oauth 2.0, Open ID Connect, SAML), architecture of protected web and mobile applications, relevant vulnerabilities and methods of their addressing/remediation, secure design patterns of business flows within web and mobile applications, cryptography specifications (TLS, X.509, hashing and encryption algorithms, handshake), white box security assessment approaches, Linux security architecture and capabilities, k8s security infrastructure and capabilities, API security, implementation of GDPR implementation in corporate applications. You will be able to participate in the development and implementation of our web and mobile solutions for our customers as a part of the application security team.

Role and Responsibilities

• Taking the role of a security architect in the implementation projects

• Analysis of solution design and security requirements, development of security design and configurations.

• Identification of security gaps in Netcracker product and proposing cost-efficient solutions

• Consulting development teams in implementation of security controls

• Performing security audits at the level of source code, configurations, and deployment architecture.

• Preparation of the scope for internal and external security testing, analysis of external security testing reports.

• Work as a part of the implementation team with customer

Skills and Experience Required

• A minimum of 8 years of practical experience in the application security domain.

• An analytical and problem-solving mindset.

• Bachelor's degree in Computer Science, Information Security, Engineering, or related field. A Master's degree is a plus.

• Experience in enterprise software development processes.

Education:

• Higher technical education / university degree in a relevant domain

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