IT Infrastructure & Operations Engineer; SysOps

We are toogeza, a Ukrainian recruiting company that is focused on hiring talents and building teams for tech startups worldwide. Currently, we are looking for an IT Infrastructure & Operations Engineer (Sys Ops) for Roosh.

Location: EU

Work Model: Remote

About our client

Roosh Investment Group scales remarkable businesses globally. We're a dedicated team of investors, entrepreneurs and operators. With over 10 years of expertise, we act as partners in growing businesses rather than mere financial backers.

We are looking for an experienced, hands-on Senior IT Infrastructure & Operations Engineer to take end-to-end ownership of our infrastructure operations.

You will be the primary technical owner responsible for the stability, availability, security, performance, and recoverability of our business-critical IT infrastructure.

This is a highly autonomous role. We expect you to independently manage daily infrastructure operations, resolve complex technical issues, plan and execute changes, identify operational risks, and continuously improve infrastructure reliability.

You will report to the Head of IT, who will provide strategic direction, architectural oversight, and approval for major infrastructure decisions.

We value sound engineering judgment, transparency, accountability, and operational discipline just as much as technical expertise.

Key Responsibilities

Infrastructure Ownership & Operations

• Take end-to-end technical ownership of infrastructure operations, including physical servers, virtualization platforms, operating systems, networking, and supporting services.
• Independently maintain, troubleshoot, and improve Windows Server and Linux environments.
• Administer virtualization platforms, including Proxmox, VMware, or equivalent technologies.
• Manage infrastructure capacity, performance, lifecycle, and operational health.
• Identify and proactively address single points of failure, configuration weaknesses, technical debt, and operational risks.
• Coordinate infrastructure maintenance activities with minimal business disruption.
• Work with external vendors and service providers when necessary.

Reliability, Backup & Disaster Recovery

• Own the technical operation and reliability of backup and recovery solutions.
• Monitor backup execution, retention, integrity, and storage capacity.
• Perform scheduled recovery tests and maintain validated restoration procedures.
• Maintain and execute disaster recovery procedures aligned with defined RTO and RPO requirements.
• Assess infrastructure resilience and recommend improvements to availability and business continuity.
• Ensure critical services can be recovered using documented and tested procedures.

Network & Security Operations

• Administer networking infrastructure, including Mikro Tik, HPE Aruba, switches, firewalls, VPNs, Wi-Fi, and network segmentation.
• Troubleshoot routing, DNS, DHCP, connectivity, and network performance issues.
• Maintain secure administrative access, network configurations, and infrastructure access controls.
• Implement security hardening, operating system updates, and vulnerability remediation in collaboration with the Information Security team.
• Apply least-privilege principles and follow privileged-access management requirements.
• Support security investigations and remediation of infrastructure-related findings.

Incident, Problem & Change Management

• Take technical leadership during infrastructure incidents, including critical service disruptions.
• Independently diagnose incidents, restore services, coordinate resolution activities, and communicate operational status.
• Perform root cause analysis and implement corrective and preventive actions.
• Plan and execute infrastructure changes using impact assessments, testing, maintenance windows, and rollback…