Infrastructure Security Subject Matter Expert (SME)

Description

Job Summary: We are seeking an Infrastructure Security Subject Matter Expert (SME) to ensure operational continuity and lead security efforts in critical, high-impact projects. Key Highlights: 1. Key role in infrastructure security and service protection. 2. Collaboration with IT and Security teams in an international environment. 3. Leading security in high-impact infrastructure projects. Location Madrid Category Information Technology and Telecommunications Subcategory Quality Sector Information Technology and Services Work Schedule Full-time Work Modality Remote/Telework Professional Level Employee Department Information Technology ### **Description** At Grupo NS, we are seeking an **Infrastructure Security Subject Matter Expert (SME)** to ensure **operational continuity** during the absence of the current **Infrastructure Security Manager.** This role will focus on **endpoint and server security, infrastructure service protection**, and collaboration with **IT and Security teams**, ensuring compliance with **corporate standards.** **Responsibilities** * Review and assess **IT team change requests** against **security standards.** * Serve as the **Infrastructure Security Subject Matter Expert (SME).** * Support **continuous improvement initiatives** in security. * Collaborate with teams such as **SOC, Service Desk, and Data Center Operations.** * Drive **security in infrastructure projects** (e.g., antivirus migrations). * Conduct **vendor assessments** and evaluate **security solutions.** **Project Conditions:** * **International and multicultural** environment * Collaboration with global teams across **multiple time zones** **Join a global environment where your expertise will make a difference and where you can lead security in critical, high-impact projects. Take the next step in your career and apply now!** ### **Minimum Requirements** **Requirements** * Over **5–10 years of experience** in **Infrastructure Security.** * Experience in **multinational environments** and working with **vendors.** * Background as a **Senior Security Engineer** or **Security Architect.** * Ability to translate **security policies** into **operational controls.** * Experience in **technical documentation** (procedures, designs, guidelines). * Fluent **English level (C1\).** * Preferred: **Security certifications** and experience in regulated environments. * **Proactivity** and orientation toward **teamwork.** * Ability to engage with **clients, technical teams, and end users.** * Availability for **on-call duties and interventions**, if required. **Technical Competencies** * **Security hardening** of **endpoints and servers** (Windows, Linux, mobile devices, storage). * Security of infrastructure services **(Active Directory, virtualization, file shares, VDI).** * Solid knowledge of security solutions from **Microsoft and Trend Micro.** * Proficiency in security frameworks such as **ISO 27001, NIST, and Zero Trust.** ### **Competencies** * ENGLISH * Cybersecurity * SECURITY * HARDENING * zero trust * ISO27001 * Server Deployment * NIST * SME * SOC