SENIOR NETWORK ENGINEER
Responsibilities for Senior Network Engineer:
⇥Keep the core infrastructure and internet uptime 100%;
⇥Actively monitorises the hosting infrastructure;
⇥Plan and schedule infrastructure maintenance operations;
⇥Plan and implement interconnections between Data Centers and Internet Carriers;
⇥Prepare backup for everything related to his job;
⇥Cooperate with Level2 and Level1 support teams for any customer notifications;
⇥Participates, together with the Network Development Engineer in the implementation of various network projects;
⇥Train the Level2 and Level1 support teams regarding technologies and solutions used in the infrastructure;
General Requirements:
⇥At least 3 years experience in enterprise/ISP networks and Data-Center hardware and software maintenance;
⇥Ability to maintain problem ownership and accountability;
⇥Capacity to handle multi tasks and problem solving abilities
⇥High energy and positive attitude;
⇥Good analytical aptitudes and openness to a wide array of technologies when searching for a solution;
⇥No downtime mindset;
⇥Detail oriented, proactive, dedicated and perfectionist character;
⇥Ability to work effectively alone and as a member of a team to complete assignments;
⇥Very good command of English language.
General Requirements:
⇥TCP/IP protocol suite and IP addressing (VLSM/CIDR)
⇥Communication Standards at Physical Layer: 10BASE-T, 100BASE-T, 1000BASE-T, 10GBASE-CX4, 1000BASE-LX, 1000BASE-SX, 10GBASE-SR/LR/ER
⇥Layer2 technologies: Ethernet, PPPoE, STP, RSTP, MSTP, VLANs, BPDU Guard, Loop Guard, Root Guard, VLAN ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard, Port Security, Storm Control, LAG/Etherchannel (PAgP/LACP), Trunking(802.1Q/ISL/DTP) , Q-in-Q, CDP, LLDP
⇥Layer3 technologies: IPv4, IPv6, BGPv4/MP-BGP, OSPFv2/v3, RIP/ng, FHRP (HSRP/VRRP/GLBP), LDP, MPLS (L2/L3 VPNs), Tunneling (L2TP, GRE, IPsec, SSL VPNs), PBR, ECMP, NetFlow, SFlow, NAT, IP forwarding mechanisms (CEF/Fast Switching/Process Switching)
⇥ QoS technologies: IntServ/DiffServ/best-effort models, traffic shaping, traffic policing, queueing mechanisms, congestion avoidance mechanisms, packet marking
⇥ Firewall technologies: stateless and stateful packet filtering, application layer filtering
⇥ Network Services: NTP, DNS, RADIUS, TACACS, SNMP, DHCP
⇥ Network Packet Inspection Tools: tcpdump, iptraf, ngrep, Ettercap, Wireshark (Ethereal), netsniff-ng, iftop, jnettop, bwm-ng, nmap, nping, hping, fping
⇥Mitigation of Denial of Service attacks: TCP/UDP/ICMP flood with simple patterns, P2P DDoS (DC++ servers redirecting clients to HTTP servers), Spoofed TCP/SYN flood, Botnet-based attacks, Service-specific attacks: HTTP, BGP, DNS, SQL
⇥CCNP/CCIP certifications or similar level certifications from other vendors are considered a plus.
Do you have experience as Senior Network Engineer? We expect your CV!
