In charge with IP networks, IT infrastructure and software engineering.

Organising NONOG events and working to keep the community in contact.

Organising NONOG events and working to keep the community in contact.

• Worked to automate the Telia Carrier network using Cisco NSO (Tail-F NCS).• Redefined the service stack to allow complex service composition and component reutilisation.• Modelled parts of the IP network and IP services in the inventories and YANG models to allow automatic service provisioning.• Worked with developer specific tools for versioning, issue tracking and documentation – from the Atlassian suite (BitBucket, Jira, Confluence).• Worked on redefining the metrics… Show more • Worked to automate the Telia Carrier network using Cisco NSO (Tail-F NCS).• Redefined the service stack to allow complex service composition and component reutilisation.• Modelled parts of the IP network and IP services in the inventories and YANG models to allow automatic service provisioning.• Worked with developer specific tools for versioning, issue tracking and documentation – from the Atlassian suite (BitBucket, Jira, Confluence).• Worked on redefining the metrics collection stack to introduce streaming telemetry collection via Prometheus and Grafana. Show less

• Main focus on operations for the Telia and former Tele2 networks in Norway• Helping with the IP design of new solutions for the radio access network and mobile core• Involved in the operations of the NFVI implementations (based on VMware NSX)• Driver for network automation, working with network standardization, abstraction and modeling• Experimenting with Ansible, Python scripting, IPAM development and inter-working via APIs• Involved in the improvements of various systems… Show more • Main focus on operations for the Telia and former Tele2 networks in Norway• Helping with the IP design of new solutions for the radio access network and mobile core• Involved in the operations of the NFVI implementations (based on VMware NSX)• Driver for network automation, working with network standardization, abstraction and modeling• Experimenting with Ansible, Python scripting, IPAM development and inter-working via APIs• Involved in the improvements of various systems used in daily operations, from ITSM to monitoring Show less

• Redesigned the full IP/MPLS network of the merged Norwegian operation to add redundancy, fault isolation and match capacity and quality requirements. Selected equipment and technology for the new network.• Planned and implemented (with support from colleagues) the merger of three ASes• Designed new core sites, new mobile core sites and new datacenter interconnectivity• Designed solutions to connect new HLR/HSS, DRA, MGW, MSC-S, SBC, RNCs and BSCs• Planned and implemented… Show more • Redesigned the full IP/MPLS network of the merged Norwegian operation to add redundancy, fault isolation and match capacity and quality requirements. Selected equipment and technology for the new network.• Planned and implemented (with support from colleagues) the merger of three ASes• Designed new core sites, new mobile core sites and new datacenter interconnectivity• Designed solutions to connect new HLR/HSS, DRA, MGW, MSC-S, SBC, RNCs and BSCs• Planned and implemented various major changes like upstream provider, GRX provider, NRA interconnects for Gp, S8 and S6a, Inter-AS MPLS OptionA to OptionB, TDM to IP operator interconnects.(company acquired by TeliaSonera) Show less

• Operated the IP/MPLS network serving the RAN and the Mobile Core• Designed solutions to connect new RAN (RNCs, BSCs) and Mobile Core elements (MSC-S, MGW, SGSN) or expand existing ones• Together with the vendor, designed a solution to move legacy leased lines base stations to IP transport• Automating the provisioning of the IP network for new radio sites over a variety of transport options (microwave, fiber, ethernet or IP backhaul)(company acquired by Tele2)

Designing, configuring and maintaining the networks for the sites (server farms), HQ, branch offices and their interconnectivity. Full re-design of the networks with consideration to bandwidth, security and quality of service. Direct interaction with the ISPs during negotiations and setup of new interconnects. Handling ISP connectivity, redundancy and troubleshooting IP connectivity issues. Configuring and maintaining SIP VoIP interconnects and debugging call quality issues (one-way sound… Show more Designing, configuring and maintaining the networks for the sites (server farms), HQ, branch offices and their interconnectivity. Full re-design of the networks with consideration to bandwidth, security and quality of service. Direct interaction with the ISPs during negotiations and setup of new interconnects. Handling ISP connectivity, redundancy and troubleshooting IP connectivity issues. Configuring and maintaining SIP VoIP interconnects and debugging call quality issues (one-way sound, wrong CLI, etc.). Configuring and troubleshooting Site-to-Site VPNs and tunnels, handling firewall management, remote VPN access maintenance. Working with dynamic routing protocols (OSPF, BGP), QoS, VRF on Cisco equipment (28xx/2960/3560/3750/6500, ASA55xx, PIX 5xx); working with high availability and load balancing solutions based on Radware and Linux. Experience with Linux networking solutions (NAT boxes, SIP softswitches, RTP proxies, IDS solution) and scripting. Also acting as Network Group team leader since November 2009. Show less

Installing, configuring and maintaining Distributed Control Systems for the oil and gas industry. Planning, designing and configuring the networks used by the systems, selecting hardware devices and partially software packets. Preparing and participating at the acceptance tests.

Dynamic routing (OSPF/BGP) provisioning and troubleshooting, MPLS L2/L3 VPN provisioning and troubleshooting, QoS policies provisioning, National Wide routing issues troubleshooting, establishing and troubleshooting peering sessions, configuring Cisco products, testing and configuring third party equipment; some application or scripts development (Perl, PHP); small presentations and trainings. Testing equipment from Linksys, Huawei, Telsey, Allied Telesyn for compatibility with the rest of the… Show more Dynamic routing (OSPF/BGP) provisioning and troubleshooting, MPLS L2/L3 VPN provisioning and troubleshooting, QoS policies provisioning, National Wide routing issues troubleshooting, establishing and troubleshooting peering sessions, configuring Cisco products, testing and configuring third party equipment; some application or scripts development (Perl, PHP); small presentations and trainings. Testing equipment from Linksys, Huawei, Telsey, Allied Telesyn for compatibility with the rest of the network. Planning and developing an important part of the Bucharest metropolitan IP/MPLS network. Participating in some new IP/MPLS product/services development. Show less

Layer 3 OSI model IP problems troubleshooting, static and dynamic routing provisioning, Cisco products partial configuration, abuse problems troubleshooting (DoS, switching or routing loops, email abuse, different Layer 2 abuses), general network operation.

Layer 1 & 2 OSI model problems troubleshooting in an IP network, identifying optical fiber communication connectivity problems. The main task was to correctly find the cause of the problem and then to take the right decisions to fix the problem.

Network administrator of a campus computer network with more than 400 workstations, Linux servers and routers; connectivity problems troubleshooting.