Advanced Windows Administrator

Strength. Care. Growth

Did you know that A1 Bulgaria is working on international projects as well?

Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.

State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.

You’ll know A1 Bulgaria is 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?

Hristo Popov is looking for a new team member.

Your daily routine would include:

Managing Microsoft Server Services with focus on Active Directory, EntraID Connect, Federation Services, and AD Certificate Services;
Ensuring operational adherence to Service Level Agreements (SLA) and Quality Indicators (KPI) within a 24/7 operation, including on-call duty;
Collaborating with internal teams to enhance system reliability, performance, and security;

We’ll know you can make it if you have:

In-depth knowledge of MS Active Directory, EntraID Connect, PKI, DNS, DHCP, ADFS, and hybrid cloud scenarios;
Solid understanding of authentication and single sign-on technologies such as SAML, oAuth, Kerberos, and LDAPs;
Familiarity with MS AD Domain Services, Group Policy Management, PowerShell & scripting, User Management, MS AD Federation Service / SSO / MFA, MS AD Certificate Service, MS Key Management Service, and MS DHCP, DNS, Print, and File Services;
A strong sense for Domain Security (hardening, security layers) and experience with ServiceNow will make you stand out.

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.