Senior IT Systems Engineer

Senior IT Systems Engineer | AI / Quantum Computing Scale-up

Location: San Sebastian, Spain (Hybrid)

A global leader in quantum software and deep-tech AI solutions is expanding its infrastructure team. Operating across finance, energy, manufacturing, and telecom, this organization is at the forefront of enabling enterprise clients to solve complex challenges through advanced technology.

The Role

As a Senior IT Systems Engineer, you will own and continuously refine the technology ecosystem powering global operations. You will design, implement, and maintain a secure, scalable IT infrastructure, encompassing identity platforms, endpoint management, and SaaS environments. Working closely with cross-functional stakeholders, your focus will be driving automation, operational excellence, and security best practices to deliver a seamless user experience.

Key Responsibilities

• Design, deploy, and manage secure, scalable IT infrastructure, identity platforms, and endpoint management solutions.
• Administer macOS endpoints and enterprise MDM tooling, driving device compliance, patching, and lifecycle management.
• Lead Identity & Access Management (IAM) initiatives, including Microsoft Entra ID, SSO integrations, SCIM provisioning, and access governance.
• Embed Zero Trust architecture, least-privilege access, and secure authentication across all systems.
• Build scalable IT automation scripts and workflows to streamline operational processes.
• Deliver advanced technical troubleshooting, root cause analysis, and ongoing support for business-critical teams and senior stakeholders.
• Maintain high standards for IT documentation, process optimization, and system security.

Requirements

• 7+ years of experience in IT Engineering, Systems Engineering, or Workplace Technology roles.
• Strong hands-on JAMF administration experience within a macOS-heavy enterprise environment.
• Proven experience with Identity & Access Management (IAM) platforms, specifically Microsoft Entra ID.
• In-depth knowledge of endpoint management, SSO, SCIM provisioning, and Zero Trust security principles.
• Advanced scripting and automation skills for IT workflows.
• Strong track record in SaaS administration, enterprise infrastructure, and operational process improvement.
• Exceptional communication and stakeholder management skills, with a strong customer-service mindset.
• Proactive approach with proven project ownership from scoping to execution.
• Professional fluency in both Spanish and English.

Desirable Skills

• Background within a fast-scaling tech or engineering-led organization.
• Familiarity with security and compliance frameworks, audit readiness, and endpoint security controls.
• Experience with enterprise configuration management and automation tools at scale.
• Experience mentoring junior team members and serving as a senior technical lead.
• Relevant certifications in JAMF, Microsoft Entra ID, ITIL, or Security/Compliance frameworks.

Interested? Apply directly through LinkedIn, or send your CV to [email protected]

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