Information Security Specialist (f/m/d) @ A1 Competence Delivery Center

Strength. Care. Growth

A1 Competence Delivery Center is a vital component of A1’s telecommunications business. Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1’s operations across all OpCos, independent of location.

Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability.

You will know we are the right place for you, if you are driven by:

Opportunities to learn and build your career.
Meaningful work in a stable and fast-paced company.
Diversity of people, projects, and platforms.
A supportive, fun, and inspiring place to work.

Role Overview:

As part of our Information Security team, you will drive the implementation of security policies and automation across cloud and on-premise environments. You will manage security operations, ensure audit readiness, respond to incidents, and work with advanced security technologies to protect enterprise systems.

Role Insights:

Serve as the primary point of contact for Information Security matters.
Contribute to the design and implementation of security policies, procedures, and standards in line with A1 definitions.
Support audit readiness and preparation.
Execute security operations tasks, including access approvals and reviews, incident response and triage, recovery, and remediation.
Drive automation in security processes by developing scripts and tools.

What makes you unique:

Strong knowledge of Cryptography, PKI, X.509, HSM/KMS.
Expertise in Cyber Security and IT Security.
Hands-on experience with Linux, Azure, Exoscale, and other KeyVault solutions.
Familiarity with one or more public cloud providers (Azure, AWS, GCP).
Ability to quickly learn and adapt to new frameworks and technologies for service automation.
Knowledge of identity systems and concepts such as Windows/Azure Active Directory, ADFS, OIDC, SAML, SCIM, Okta, Google Identity, Ping Identity.
Fluent in English.

Nice to Have:

Industry security certifications (Azure Security, CEH, CCSP, Security+, GSEC, AWS Certified Security).
Knowledge of security and compliance frameworks (CSA, CIS, ISO, NIST, HIPAA, SOC, PCI DSS).
Experience in scripting or code development (PowerShell, Bash).
DevOps and Agile methodology experience in small teams.
Experience with advanced security technologies such as firewalls, monitoring systems, access control, and endpoint protection.

Our gratitude for the job done will be eternal, but we’ll also offer you:

Valuable experience in one of the fastest-growing and most innovative industries.
Challenging assignments with strong opportunities for personal and professional growth in a multinational environment.
Hybrid working model supporting a healthy work-life balance.
Thousands of online and in-person Learning opportunities for you to grow.
Modern, open, and friendly work environment that fosters continuous learning and the development of both technical and soft skills.
Special employee tariffs and a wide range of attractive employee benefits

If you have any questions, please do not hesitate to contact Mariya Ivanova

Network / Infrastructure
Information Security Specialist (f/m/d) @ A1 Competence Delivery Center

Пълен работен ден

Крайна дата: 12.12.2025.

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