Network Security Engineer

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Are you curious about taking the next step into network security? Do you enjoy working with networks, security and protecting critical infrastructure tomorrow? Then this might be your next move. As a Network Security Engineer, you will join an international team that safeguards Vattenfall's networks and supports our journey towards a smarter, more secure energy system. Your role In this role, you will gradually grow into network security by working hands‑on with experienced colleagues and modern security platforms. Together, we operate and develop secure network solutions across offices, data centres and wide‑area networks. You will: Work with the operation, development and maintenance of network security infrastructure Support secure connectivity across LAN, WiFi, WAN and data centre networks Learn how we protect Vattenfall's networks using tools such as firewalls, proxies and intrusion prevention Contribute to security assessments and improvements in new and existing projects Collaborate closely with network, infrastructure and security teams across countries This role is designed to help you transition into network security, step by step, while building on what you already know. Your profile You have a solid networking foundation, combined with an experience in security. We believe you bring: Solid experience in network, infrastructure and security technology Swedish and good English, both spoken and written Working knowledge of routing & switching (e.g. CCNA level) Experience with infrastructure security technology The ability to work in a structured and careful way, even when things get complex Good communication skills and enjoyment of working together with others Technologies you will work with: Firewalls and network security platforms (e.g. Cisco, FortiGate, Check Point) Web proxy and secure internet access solutions IDS / IPS technologies Working together with Security, Network monitoring and management tools WAN, LAN and wireless environments ITIL‑based operational processes Basic scripting or automation (nice to explore over time) On‑call duty is part of the role and will be introduced gradually with proper support. Location & way of working Based at our Solna office next to Arenastaden or - in any Vattenfall IT country for Swedish speakers. Hybrid working model (not fully remote) Occasional travel for team or project meetings (on average once per month) At Vattenfall, we are convinced that striving for diversity helps building a more profitable efficient and attractive company. Therefore we seek a harmonious balance of employees in terms of gender, age, and ethnic and cultural backgrounds. We believe in work life balance and the flexibility to work from home. For more information about the position you are welcome to contact IT Recruiter Marta Jura via marta.jura@vattenfall.com

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