Digital Network Architect

4 days ago

Järfälla Municipality, Sweden Stegra Full time
About Stegra

We are a pioneering company on a mission to disrupt the global steel industry by producing green steel. Our goal is to bring down CO2 emissions to zero by utilizing green hydrogen and fossil-free electricity instead of coal. We aim to produce 5 million tonnes of green steel annually in our fully integrated, digitalized, and sustainable plant in Boden, Sweden.

As a Network Engineer at Stegra, you will be part of the Digital Site Services team, responsible for delivering secure and reliable infrastructure that supports the digital foundation of our greenfield plant. You will design, implement, and manage Software Defined Networks and ensure stable and resilient connectivity across the entire site.

Key Responsibilities
  • Network Design & Operations: Design, deploy, and maintain Software Defined Networks with full redundancy. Configure and manage core network layers, including routers, switches, firewalls, and management systems. Ensure high-performance, secure, and reliable connectivity across all systems and devices.
  • Monitoring & Maintenance: Monitor network performance and troubleshoot issues to minimize downtime. Define and implement processes for proactive maintenance and secure operations. Collaborate with vendors and cross-functional teams to ensure network architecture aligns with business needs.
  • Stakeholder Engagement & Documentation: Engage with key stakeholders to understand and prioritize connectivity requirements. Document network processes and share best practices to ensure knowledge transfer and operational excellence. Support and mentor colleagues to strengthen the team's technical capabilities.
  • Security & Compliance: Apply cybersecurity best practices in network design and operations. Support threat monitoring and mitigation efforts within the infrastructure. Work in accordance with NOC principles and ensure secure access and authentication processes.
Requirements
  • A university degree in Engineering, Computer Science, or equivalent experience.
  • Hands-on experience and in-depth knowledge of Software defined networking SDN.
  • Deep knowledge of network hardware, protocols, and systems (e.g. routers, switches, WAN, firewalls, remote access).
  • Experience with OT networks and related protocols.
  • Hands-on experience with network management systems (e.g. Cisco Catalyst Center).
  • Experience in Infrastructure-as-Code tools such as Terraform or Ansible.
  • Hands-on experience with wireless network design, DHCP, DNS, Radius, and Cisco ISE.
  • Good knowledge of systems for authentication and authorization for clients and devices, such as Cisco ISE.
  • Familiarity with AWS Cloud networking and cloud PBX concepts.
  • Solid understanding of cybersecurity and threat mitigation strategies.
  • Experience working in or with a Network Operations Centre (NOC) setup.

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