Strength. Care. Growth
A1 Competence Delivery Center is a vital component of A1’s telecommunications business. Acting as an expertise hub, CDC is dedicated in delivering full range of high-quality IT, network, financial and HR to support A1’s operations across all OpCos, independent of location.
Using the power of A1 Group and leveraging bynergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’, paired with job stability.
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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.
Would you like to join us?
Your daily routine would include:
- Design and implement a secure, scalable, and resilient KMS tailored to our needs—from architecture to production;
- Define APIs and integrations for internal services and external systems needing secure key storage, encryption, and decryption;
- Build in robust auditability, access control, and operational visibility from day one;
- Ensure scalability, reliability, and performance;
- Collaborate closely with our platform, security, and application teams to align requirements and support their use cases;
- Monitor system performance and troubleshoot issues;
- Participate in code & changes reviews;
- Stay up to date with the latest in cryptographic standards, best practices, and security vulnerabilities;
- Take part in the on-call roll after a training period.
We’ll know you can make it if you have:
- Experience with cloud infrastructure;
- A proven track record of building secure distributed services or infrastructure component;
- A solid understanding of cryptographic principles, especially around key lifecycle, encryption-at-rest, HSMs, and secure key storage;
- Good understanding of the UNIX operating system;
- Experience with building and operating distributed systems;
- An eye for performance and monitoring;
- Experience with Clojure
Our gratitude for the job done will be eternal, but we’ll also offer you:
- Innovative technologies and platforms to “play†with;
- Modern working environment for your comfort;
- Friendly, ambitious, and motivated teammates to support each other;
- Thousands of online and in-person learning opportunities to grow;
- Challenging assignments and career development opportunities in multinational environment;
- Attractive remuneration package;
- Flexible working schedule and opportunity for home office;
- Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc.
Not sure yet? See us in action in our A1 Blog.
Any questions? Contact Nadya Georgieva.
Sounds good? Apply now!
Deadline for application: 16.07.2025
Only shortlisted candidates will be contacted.