Senior IT Support & Infrastructure Administrator

Commodity Supplies · Warsaw

Join Our Team

We are looking for an experienced and hands-on Senior IT Support & Infrastructure Administrator to join our growing IT team. This is an exciting opportunity for a seasoned IT professional who enjoys combining advanced technical support with infrastructure administration in a dynamic international environment.

What You'll Be Doing

Provide advanced L2/L3 support for hardware, software, network, and infrastructure-related issues.
Troubleshoot complex technical incidents, perform root-cause analysis, and implement permanent solutions.
Administer and support Microsoft 365, Microsoft Entra ID, identity management, MFA, and SSO solutions.
Manage users, groups, permissions, and access rights in accordance with company policies.
Configure, maintain, and support Windows and macOS endpoints.
Support network operations including DNS, DHCP, VLANs, switches, access points, and firewall configurations.
Monitor infrastructure health, availability, backup success, and security compliance.
Manage IT assets, software inventory, and software licensing.
Coordinate with external IT vendors and technology partners to resolve technical issues and deliver projects.
Participate in infrastructure upgrades, migrations, implementations, and continuous improvement initiatives.
Maintain clear and accurate technical documentation and procedures.
Support onboarding, offboarding, and end-user training.

Who We're Looking For

Required Qualifications

Several years of experience in IT Support, Systems Administration, or IT Infrastructure roles.
Vocational degree or Bachelor's degree in Information Technology, Computer Science, or a related discipline.
Professional fluency in English; conversational German is highly desirable.
Relevant Microsoft, CompTIA, ITIL, or equivalent certifications are advantageous.
Strong experience administering Microsoft 365 and Microsoft Entra ID.
Experience with identity and access management, SSO, and enterprise applications.
Hands-on experience with virtualized environments, Windows servers, and infrastructure administration.
Sound knowledge of TCP/IP, DNS, DHCP, VLANs, networking, and troubleshooting.
Experience with endpoint management, cybersecurity, and backup solutions.
Familiarity with IT asset management, software licensing, and vendor management.
Strong problem-solving and analytical skills.
Excellent communication and stakeholder management abilities.
Ability to work independently while collaborating effectively with technical and business teams.

What Success Looks Like

Success in this role will be measured through:

Fast and effective resolution of L2/L3 incidents.
High infrastructure availability and reliability.
Successful delivery of infrastructure improvements and technical projects.
Strong Microsoft 365 and Entra ID administration practices.
Accurate asset and licensing management.
Backup reliability and recovery readiness.
Effective security monitoring and incident response.
Positive user feedback and stakeholder satisfaction.
High-quality system documentation and operational processes.

Why You Should Join Us

Opportunity to play a key role in shaping and improving a modern enterprise IT environment.
Exposure to a broad technology landscape including Microsoft 365, cloud services, virtualization, networking, and cybersecurity.
Collaborative international workplace with close interaction across the business.
Ownership of meaningful infrastructure projects and technical initiatives.
Professional development and certification support.
Long-term career growth opportunities within a growing organization.
Competitive compensation and benefits package.

Ready to Make an Impact?

If you are a technically strong IT professional who enjoys solving complex challenges, improving infrastructure, and delivering outstanding internal customer support, we would love to hear from you.

Apply today and become part of our technology journey.

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