IT Security Specialist

Project overview

Assignment Description

We are looking for a senior IT security specialist with strong technical and operational competence to develop and strengthen the organization's IT security work. The assignment involves establishing structures for security follow-up and ensuring that identified risks, vulnerabilities, and security flaws are addressed and followed up.

You are responsible for coordinating vulnerability management, patching, hardening, security configurations, and control of security baselines. The work also includes incident management, technical risk assessments, and follow-up of logging, alarms, and detection capabilities in close collaboration with SOC/MDR, SIRT, IT teams, and external suppliers.

You ensure that security measures are implemented and have the intended effect, as well as develop metrics, reporting, and working methods that are documented and transferred to the internal IT security organization. The role requires an analytical and practical approach, as well as the ability to drive improvements and set requirements for technical teams and suppliers.

After the assignment is completed, the organization should have established a functioning and structured process for identifying, prioritizing, addressing, and verifying vulnerabilities, security incidents, configuration flaws, and feedback from SOC/MDR. The working method should be risk-based, measurable, and have clear responsibilities.

Requirements

• You must have documented experience in Vulnerability Management.
• You must have experience with security monitoring, SOC/MDR collaboration, and Incident Response.
• You must have experience with patching and Configuration Compliance.
• You must have experience with Windows/AD, Azure, and Microsoft 365.
• You must have experience with Microsoft Defender or equivalent security platforms.
• You must have experience with SIEM tools, such as Microsoft Sentinel.
• You must have experience with technical verification of security measures.
• You must have experience with risk-based prioritization of vulnerabilities and security flaws.
• You must have experience following up on security requirements with internal operations teams and external suppliers.
• You should have experience in critical infrastructure or security-critical operations.
• You should have experience in NIS/NIS2 regulated operations.
• You should have experience with large hybrid environments with both local infrastructure (on-premises) and Microsoft Cloud.
• You should have experience establishing or improving vulnerability management programs.
• You should have experience with incident management in collaboration with external SOC/MDR.
• You should have experience with Microsoft Defender Vulnerability Management, Defender XDR, Sentinel, or equivalent tools.

Project details

• Start: 2026-11-23
• Location: Linköping, SE, SE
• Languages: Swedish