Job Title: Network Engineer
Location: Oslo, Norway
We are seeking a skilled and motivated Network Engineer to join our IT Infrastructure team in Oslo, Norway In this role, you will be responsible for designing, implementing, maintaining, and optimizing enterprise network infrastructure to ensure high availability, security, and performance across multiple locations. You will work closely with infrastructure, security, cloud, and application teams to support business-critical services while driving continuous improvements in network architecture and operations.
This position is ideal for a professional with strong experience in enterprise networking, routing, switching, firewalls, and cloud connectivity.
Design, deploy, configure, and maintain enterprise LAN, WAN, WLAN, and SD-WAN environments.
Install, configure, and troubleshoot routers, switches, firewalls, VPNs, and load balancers.
Monitor network performance, capacity, and availability using enterprise monitoring tools.
Investigate and resolve complex network incidents and perform root cause analysis.
Implement and maintain network security policies, segmentation, ACLs, and secure remote access solutions.
Support cloud networking across AWS, Azure, or Google Cloud environments.
Collaborate with cybersecurity teams to ensure compliance with security standards and best practices.
Plan and execute network upgrades, migrations, and infrastructure refresh projects.
Create and maintain technical documentation, network diagrams, and operational procedures.
Participate in on-call support and planned maintenance activities when required.
Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
4+ years of experience as a Network Engineer or Network Infrastructure Engineer.
Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, STP, NAT, and QoS.
Hands-on experience with Cisco, Juniper, Aruba, HPE, or Fortinet networking equipment.
Experience managing enterprise firewalls such as Palo Alto, Fortinet, Cisco ASA, or Check Point.
Solid understanding of VPN technologies (IPSec, SSL VPN).
Experience with wireless networking technologies and enterprise Wi-Fi solutions.
Familiarity with cloud networking concepts in Azure, AWS, or Google Cloud.
Experience using network monitoring and management tools such as SolarWinds, PRTG, Nagios, or Zabbix.
Strong troubleshooting and analytical skills.
Excellent written and verbal communication skills in English.
Cisco CCNA, CCNP, or equivalent networking certification.
Fortinet NSE, Palo Alto PCNSE, or Juniper JNCIA/JNCIS certifications.
Experience with SD-WAN technologies.
Knowledge of network automation using Python, Ansible, or Terraform.
Experience with Zero Trust networking concepts.
Familiarity with VMware NSX or software-defined networking technologies.
Understanding of ITIL processes and enterprise service management.
This position is exclusively managed by Sperton, a global talent partner connecting high-performing professionals with leading organizations worldwide.

SPERTON is a full-range provider of Global Recruitment, People Management, Global Mobility and Business support services within focused industry sectors. Our head office is located in Norway. We have over 20 years’ of experience supporting clients within the Human Resources area. We can support you globally through our own companies and partners in more than 140 countries.
Sperton had been specializing in the supply of the very best freelance and permanent white-collar professionals working with projects. We provide consultant and recruitment services to companies of all types and sizes, including consultancies, contractors, sub-contractors, developers and end clients operating across a wide range of projects and environments.
Now our services also include People Management, Global Mobility and Business Support Services.
Legal entity set-up, payroll services, HR administration, compliance, and insurance provision, cultural awareness training, and mobility support – everything needed to work compliantly with local legislation and regulations in different countries.
With over 20 years of global experience within project execution, we understand your challenges and know how to support you from the start to the end of the project.