Job Summary: We are looking for a Network & System Engineer to administer and maintain Microsoft Windows systems, virtualization environments, network management, and information security. Key Highlights: 1. Integration into an experienced and ambitious team 2. Continuous training and career development opportunities 3. Innovative culture focused on technology **Network & System Engineer** Milestone is seeking a colleague with experience in Network & System Engineering to join our client’s team. **What We Value:** · Degree in Computer Engineering, Information Systems, or a related field. · Proven experience in administering Microsoft Windows systems. · Solid knowledge of virtualization (VMware). · Strong hands-on experience with switching and firewalling (Cisco and Fortinet) and network segmentation. · Familiarity with security and vulnerability management tools (Qualys, PingCastle, CrowdStrike Falcon/SIEM). · Knowledge of information security standards and best practices (ISO 27001, NIST, etc.). · Problem-solving ability, autonomy, and teamwork spirit. · Proficiency in Portuguese and English (spoken and written). · Location: Lisbon **Your Mission:** · Administration and maintenance of Microsoft Windows systems (Linux – a plus). · Management of RDWeb environments and user support. · Administration and operation of VMware infrastructure. · Configuration, management, and segmentation of networks in corporate environments. · Implementation and management of network assets including Cisco and Fortinet switches and firewalls. · Implementation and operation of information security tools, specifically Qualys, PingCastle, CrowdStrike Falcon, and SIEM. · Support during compliance audits. · Monitoring and troubleshooting of network and security infrastructure. **What You’ll Find Here:** * Top-ranked happiest company, according to the Happiness Works Portugal study, 2025. * People’s Choice Award, Wellbeing Awards 2025. * A people-centric management strategy focused on employee well-being; * Integration into an experienced and ambitious team; * Continuous training and career development opportunities; * Competitive remuneration aligned with responsibilities; * Innovative culture focused on technology. If this resonates with you, please send your **CV** to **jobs.technology@milestone.pt**, quoting reference MLSTSNLB20260312. "Tomorrow is made of everything we are made of and we can't wait to take you there!" Employment Type: Full-time