L3 Network Engineer

Level 3 Network Engineer

Key Responsibilities:

Incident Management:

1. Provide advanced technical support for complex network issues escalated from GSC teams
2. Troubleshoot & resolve intricate network problems related to GNS managed network products/services
3. When engaged, lead/handle P1/P2/P3C network incidents, ensuring timely resolution
4. Lead root cause investigations for critical/managed incidents & implement preventive measures to mitigate future occurrences
5. Provide prompt detailed incident summaries with recommendations for resolutions & next actions
6. Collaborate with cross-functional teams, such as SMEs, Engineering & vendors, to resolve complex network issues
7. Participate in on-call rotations to provide 24/7 support for network-related emergencies

Change Management:

1. Evaluate network change requests submitted by change initiators to understand & assess the scope, impact, potential risks & disruptions to services dependencies
2. Make informed decisions about whether to approve, reject or defer the proposed network changes & ensure that the changes comply with regulatory requirements, GNS network and security standards & appropriate controls & safeguards are in place to mitigate risks
3. Plan FLSEs and yearly activities such as Akamai route off/on for all regional sites as per schedule

Problem Management:

1. Investigate & analyze network related problems reported through the problem management process that includes identifying the root causes, implementing corrective actions & ensure that the problem has been resolved
2. Work closely with cross-functional teams to diagnose & address network related issues that may have broader and implications across the various IT functions
3. Document the details of problem investigations, findings, actions taken & resolution steps accurately
4. Participate in Problem management calls to communicate effectively with stakeholders to provide updates on problem resolution progress & explain technical details in non-technical terms & manage expectations regarding resolution timeframes

Network Documentation:

1. Develop and maintain network documentations, including OGLs, KOPs, NetWiki, Confluence & etc.
2. Review post-mortem reported submitted by GSC and SOMs and ensure that the information is accurate & comprehensive

Network Design:

1. Review current network design standards/best practices with the respective stakeholders to ensure a stable, sustainable, and secure network infrastructure
2. Perform network gap analysis on network devices, and infrastructure to pro-actively detect and resolve network and performance issues related. This includes network performance, analyzing logs, and responding to alerts and incidents
3. Subject Matter Expert (SME) role for suite of network technologies such as routing/switching, ISEs, firewalls, proxies, LB, ULL, Wireless & etc.

Continuous Learning:

1. Stay up to date with emerging network technologies, industry best practices, and advancements in network tools. Continuously enhance technical skills through self-learning, training and certifications
2. Mentor & Train Tier 1 and 2 support engineers on advanced networking concepts, troubleshooting techniques and best practices

Skill Requirements:

1. Degree in Computer Science, Information Technology, Engineering, or equivalent
2. Minimum 10 years of network operational experience, preferably in financial institutions or equivalent
3. CCIE or other expert level technical certifications equivalent or highly desirable
4. In-depth and hands-on experience in several enterprise networking principles, routing/switching protocols & technologies (e.g., TCP/IP, DNS, DHCP, GTM, LTM VPN, MP-BGP, OSPF, Cisco ACI, Arista, Web proxy, FortiGate, Checkpoint HSRP, Multicast, Spanning tree, VRF, Wireless, L2/L3 E-VPN, F5 and DWDM)
5. Experience with network tools and technologies (e.g., SNMP, NetFlow, packet capture analysis)
6. ITIL®v4 Foundation certification would be an advantage
7. Ability to work in a fast-paced operational environment
8. Strong written and verbal communication
9. Strong interpersonal skills
10. Excellent Team Player