System Administrator / Infrastructure Engineer
First seen by Alion on Oct 27, 2026.
The Defense Procurement Agency (DOT) is a national agency responsible for procuring ammunition, UAVs, military equipment, fuel, food, clothing, and other critical supplies for the Armed Forces of Ukraine and the Defense Forces.
Our mission: Strengthening Ukraine by ensuring reliable support for the Defense Forces while fostering the development of the national defense industry.
Our vision: To become the driving force behind the transformation of Ukraine's defense procurement ecosystem—not only operating the system, but continuously improving it.
We are looking for a System Administrator / Infrastructure Engineer who will be responsible for administering, maintaining, and developing our Microsoft-based IT infrastructure, ensuring system stability and availability, and supporting network infrastructure and security solutions.
Responsibilities
Administer and maintain Microsoft-based IT infrastructure.
Install, configure, and maintain software, server systems, and hardware components.
Configure and maintain backup procedures to ensure data integrity, availability, and recoverability.
Implement and maintain security solutions, including firewalls, antivirus software, and Endpoint Detection and Response (EDR) tools.
Monitor systems for potential vulnerabilities and security threats, investigate issues, and ensure timely remediation.
Administer and maintain server infrastructure, cloud environments, and virtualization platforms.
Configure and support network infrastructure, VPNs, firewalls, and DNS.
Respond promptly to system alerts and incidents, troubleshoot technical issues, and minimize service downtime.
Create and maintain up-to-date technical documentation.
Develop, test, and maintain disaster recovery plans and procedures.
Automate routine administrative tasks using scripts.
Provide technical support to users and help resolve IT-related issues.
Requirements
Hands-on experience administering and supporting Microsoft 365, Exchange, Active Directory / Microsoft Entra ID, Intune, and IIS.
Experience working with cloud infrastructure based on Microsoft Azure and the VMware virtualization platform.
Experience administering Windows Server. Linux administration skills will be an advantage.
Practical experience writing PowerShell scripts to automate routine administrative tasks.
Understanding of networking fundamentals and the OSI model.
Experience configuring and managing network equipment from vendors such as MikroTik, Cisco, or Aruba.
Experience configuring and maintaining VPNs, firewalls, and DNS.
Understanding of backup, recovery, and system restoration procedures.
Ability to independently troubleshoot technical issues, analyze root causes, and implement effective solutions.
Strong sense of responsibility, attention to detail, and readiness to respond to incidents promptly.
Will be a plus:
Experience working with Docker and containerized environments.
Experience administering and supporting security solutions such as DLP, NGFW, EDR/XDR, PAM, and SIEM.
Experience working with relational databases, including Microsoft SQL Server and MySQL.
Experience with infrastructure automation and Infrastructure as Code (IaC) tools such as Ansible and Terraform.
Experience developing, testing, and improving IT infrastructure disaster recovery procedures.
What We Offer
Meaningful work that directly contributes to strengthening Ukraine's defense capabilities.
Official employment with competitive salary and full social benefits.
Professional development, learning opportunities, and career growth.
Structured onboarding and dedicated mentorship.
A collaborative, supportive, and mission-driven team.
Modern office near the metro with reliable internet and equipped shelter.
By joining our team, you will contribute to one of Ukraine's largest digital transformation initiatives in the defense sector and help build the future of defense procurement.
Ready to make a real impact? We'd love to hear from you. Apply today!
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** Due to the high volume of applications, only candidates whose qualifications best match the position will be contacted.