Security Engineer at Optiver

✨ The Stack take on this Optiver job

• 🏢 Optiver has 18 jobs here, 11 with visa sponsorship see all
• 🛂 Visa: Highly Skilled Migrant permit. 30 or older: €5,942 a month guide
• 💡 No salary shown. Ask Optiver if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Monitor security operations: investigate alerts, identify threats, and respond to incidents across cloud (AWS, M365) and on-prem environments.
- Maintain and tune security tooling: SIEM, EDR, network sensors, cloud-native protections and endpoint solutions.
- Harden cloud and identity: implement Conditional Access, MFA, PIM, Defender suites, tenant hardening and identity protections in Entra ID.
- Implement data protection: configure Microsoft Purview, sensitivity labels, DLP, and insider risk policies.
- Automate security workflows: build detection and response playbooks, scripts and tools using Python and PowerShell; integrate via APIs (Graph, REST).
- Lead incident response activities: investigation, containment, remediation, and post-incident reviews using logs, IOCs and threat intelligence.
- Perform risk assessments and vulnerability reviews; propose and track practical mitigations.
- Collaborate and enable teams: advise engineering and business groups on secure architecture, access controls and secure development practices.

Requirements:
- Practical experience in security engineering across cloud (AWS) and Microsoft 365 environments.
- Familiarity with identity security practices (Entra ID, Conditional Access, MFA, PIM) and Defender products.
- Hands-on scripting and automation skills in Python and PowerShell; experience integrating via APIs.
- Experience with SIEM, EDR and log analysis for detection and investigation.
- Knowledge of vulnerability assessment, incident response processes and security controls validation.
- Strong communication skills and ability to work with cross-functional teams to embed security best practices.

Responsibilities

The Security Engineer is responsible for monitoring, protecting, and improving the security of global cloud and on-premises infrastructure. Key tasks include incident response, security automation using Python and PowerShell, and implementing identity security controls.

Requirements

Candidates should have a strong technical background in security engineering, cloud security (AWS/M365), and identity management. Proficiency in scripting for automation and experience with security tools like SIEM and EDR are required.

Key skills

• AWS — in 802 other listings on The Stack
• Microsoft 365 — not in any other listing on The Stack
• Entra ID — in 2 other listings on The Stack
• Python — in 1200 other listings on The Stack
• PowerShell — in 34 other listings on The Stack
• Incident Response — in 64 other listings on The Stack
• SIEM — in 24 other listings on The Stack
• EDR — in 6 other listings on The Stack
• Vulnerability Assessment
• Identity and Access Management
• Network Security
• API Integration
• DevSecOps
• Microsoft Purview
• DLP
• Git

On The Stack (as of 2026-11-05)

• Optiver has 17 other listings on The Stack, 10 of them marked as offering visa sponsorship.
• 66 visa-sponsored jobs in the Netherlands on The Stack, posted in the last 60 days.
• 43 visa-sponsored security engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Optiver

Is this Security Engineer role still open?

It was posted on 2026-06-29. Listings more than 30 days old may no longer be active, so check Optiver 's site before applying.

Does Optiver offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Optiver 's site.

Where is this role located?

The listing gives the location as Netherlands. It is marked on-site.

What skills does this role ask for?

The listing names: AWS, Microsoft 365, Entra ID, Python, PowerShell, Incident Response, SIEM, EDR, Vulnerability Assessment, Identity and Access Management, Network Security, API Integration, DevSecOps, Microsoft Purview, DLP, Git.