IT Infrastructure Engineer

6 hours, 18 minutes ago
Full-time
Senior
DevOps and Infrastructure
Kyivstar

Kyivstar

Kyivstar is the leading national operator in Ukraine, providing quality mobile communication to over 26 million subscribers. As a driver of innovation and social responsibility, Kyivstar is part of the international VEON group, focusing on projects for...

Wireless Telecommunication Services
1K-5K
Founded 1994
$1600M raised

Description

  • Lead the administration and evolution of Microsoft Active Directory in a complex enterprise environment.
  • Own Exchange and Exchange Hybrid environments, including on-premises and Exchange Online, to ensure reliability, security, and seamless coexistence.
  • Design, operate, and maintain Public Key Infrastructure (PKI), including certificate lifecycle management.
  • Administer and develop Microsoft 365 / Entra ID identity services, roles, and access models.
  • Implement and support ADFS / SSO and federation scenarios for internal and external applications.
  • Ensure secure access control, authentication, and authorization across platforms.
  • Collaborate with network, platform, and application teams on identity-related integrations.
  • Drive continuous improvement of identity and messaging architectures and operational practices.

Requirements

  • Strong hands-on expertise in Active Directory, including architecture, trusts, GPO, and troubleshooting.
  • Proven experience with Exchange on-premises and Exchange Hybrid.
  • Solid practical experience with PKI, including Root/Issuing CAs, templates, CRL, and OCSP.
  • Production experience with Microsoft 365 / Entra ID in hybrid environments.
  • Practical knowledge of ADFS / SSO, federation, and claims-based authentication.
  • Strong Windows Server background in enterprise environments.
  • Ability to work independently, take ownership, and act as a technical lead.
  • Intermediate or higher English proficiency.

Benefits

  • Office or remote work option.
  • Remote onboarding.
  • Performance bonuses, annual or quarterly depending on the role.
  • Access to learning through the company’s library, internal resources, and partner programs.
  • Health and life insurance.
  • Wellbeing program and corporate psychologist.
  • Reimbursement of Kyivstar mobile communication expenses.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

Cloud Infrastructure Engineer

RefinedScience 11-50 research

RefinedScience is hiring a Cloud Infrastructure Engineer to design and operate secure, scalable Google Cloud infrastructure that supports software development, data science, and regulated healthcare research workflows.

Agile AWS Azure CDN CI/CD DNS Docker GCP GitHub Actions Grafana HIPAA Kubernetes Linux Prometheus Pulumi Python Terraform
6 hours, 18 minutes ago

Senior Cloud & Infrastructure Engineer

maxRTE 11-50 Insurance

maxRTE is hiring a Senior Cloud & Infrastructure Engineer to own AWS cloud infrastructure, network connectivity, and internal IT operations that support a healthcare-focused platform.

AWS C# CloudFormation EC2 HIPAA .NET Network Security Node.js Python RabbitMQ Terraform
6 hours, 33 minutes ago

Senior Software Engineer- Applicative Infra team

Cato Networks 251-1K Diversified Telecommunication Services

Cato Networks is hiring a Senior Software Engineer for its Applicative Infra team to build backend infrastructure, common libraries, and microservice platform components for its cloud-based enterprise networking and security service.

GitHub Actions Go Gradle GraphQL Helm Java Jenkins Kubernetes Maven Microservices MongoDB MySQL Node.js PostgreSQL Redis Spring Boot TypeScript
1 day, 5 hours ago

Staff Operations Engineer

Mozilla 251-1K Internet Software & Services

Mozilla is hiring a Staff Operations Engineer to lead the design, reliability, and evolution of hybrid-cloud and workplace infrastructure across teams.

Ansible DNS Linux Puppet Python TCP/IP Unix
1 day, 6 hours ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers