Senior Network Engineer L3

Requirements

Technical + Junior management role

Role and responsibilities

o This includes but is not limited to ticket handling, resource allocation, technical advisory and resolution, etc.

o Assist the Tier 1 Engineer to resolve the technical challenges. Guide/Mentor the Tier 1 Engineer for ticket closure and our best practices.

o Undertake tickets that are beyond the capability of Tier 1 Engineer.

o Validate and reject/approve Tier 1’s MOP to ensure the contents are appropriate and address the intent.

o Undertake the patching for products that are new to the team. Empower Tier 1 Engineer with the knowledge for future undertaking.

o Devise technical propositions with validation to address highly challenged situations.

• Minimum Cisco CCNP (12 months upon onboarded) and Alcatel ACSE certified.
• Pick up new skillset for work requirements.
• Co-train the Tier 1 Engineers to align and upskill the team’s technical competency.

Technical Competency

Tier 2 must be skilled in the following:

Products Knowledge

• Cisco Routers, Cisco Catalyst Switches, Cisco Nexus Switches, Cisco ISE, Cisco wireless, Cisco Firepower, SolarWinds, Alcatel Switches, and Smart Licensing (air-gapped environment).
• I/O Modules, SSO, RPR, Sup Replacement with zero downtime, etc for the abovementioned products.

Hands-on Skillsets

Hardware Issue / Patching / Vendor Engagement

• Provide remote or physical onsite support to rectify the technical issue.
• Understand the escalation process well enough to provide timely and accurate support to the team members.

Troubleshooting Skillset

Strong troubleshooting Knowledge in:

• Strong technical competency. Able to resolve 70% of the tickets undertaken.
• VLANs (Access/Trunk/Native VLAN), Spanning tree protocols (802.1d and 802.1w).
• First Hop Redundancy Protocols (HSRP, VRRP – with and without object tracking).
• EtherChannel/Port Channel/virtual Port Channel (vPC), Port Security, Local SPAN.
• IP Routing (Static routing, OSPF, EIGRP, and BGP) for VRF and non-VRF routing.
• Tunnelling Protocols (GRE, IPSEC), IP MTU, IP MSS
• Intermediate understanding of Multicast (PIM-SM) – Able to explain the functional components of PIM-SM. Able to troubleshoot MSDP issues and devise a plan to restore the multicast flow.
• VRF-based troubleshooting for IP routing and Multicast.
• ACL, AAA, 802.1x, Radius and TACACS+.
• NTP, Syslog, local logging
• SNMPv2 & SNMPv3 – SNMP polling vs trap.

Mastery of New Technology

• Mastery of Cisco Firepower (FMC, FTD, and FDM) for Day 2 function
• Able to perform image software of Cisco FMC, FTD, and FDM (all in standalone and HA configuration). Backup and restore config. Understand and able to deploy basic firewall rules.
• Understand and able to execute license transfer for Firepower and other Cisco equipment (Understand Traditional License vs Smart Licensing – air-gapped environment (SLR, PLR))
• High-level understanding of Cisco ISE for 802.1x and AAA
• Able to infer based on technical assessment if the issue is related to network devices or Cisco ISE.
• Able to articulate the function of 802.1x and AAA in an operational or failure state. What are the workarounds if ISE’s services have misbehaved or failed

Location: Jurong East

Working Hours: Mondays to Fridays @ 9:00 am – 6:00 pm