Network Operations Engineer

Logicalis Asia Pacific; Singapore; On-site; SGD 78,120 - 122,760; Full time

Job summary

Logicalis Asia Pacific is a technology integrator hiring a senior network engineer to manage incidents and drive resolutions across Cisco, Fortinet, and Palo Alto environments. You will upgrade IOS/NXOS, patch systems, and coordinate with vendors to reduce downtime.

You will mentor junior staff, draft RCA reports, and contribute to change plans and SOPs. Strong ITIL knowledge and 7+ years in large-scale networks are required.

Qualifications

• CCNP or ACCP certification with 7+ years of network/security experience.
• Experience with multi-vendor enterprise networking including Cisco, Fortinet, Palo Alto, Checkpoint.
• Strong knowledge of ITIL incident/change/problem management and RCA reporting.
• Proven ability to lead incidents with vendors and customers to timely resolution.
• Hands-on experience with network analysis tools and scripting (Python).

Responsibilities

• Lead and drive critical incidents with team and vendors to shorten resolution time or provide a workaround.
• Perform IOS upgrades and patches to maintain a secure, updated environment.
• Handle complex network and security production issues, isolating faulty paths.
• Collaborate with vendors, partners, and customers to deliver permanent resolutions within SLAs.
• Mentor L1/2 engineers and guide customers on effective recovery.
• Create and maintain SOPs for patching and troubleshooting activities.
• Document changes and update network diagrams and technical documentation.
• Follow ITIL processes and create detailed change plans for network activities.
• Utilize ServiceNow for ticketing, reporting, and knowledge base creation.
• Execute RMAs for faulty devices in production where feasible.

Skills

CCNP/ACCP

Network security

Incident management

Troubleshooting

Vendor coordination

Python scripting

Tools

Cisco IOS

NXOS

Fortinet

Palo Alto

Aruba ClearPass

Job description

About Us

Logicalis Asia Pacific is an AI‑driven technology integrator with expertise across cloud, connectivity, collaboration, cybersecurity, and managed services. Operating in 30 territories and serving 10,000+ clients worldwide, we deliver lifecycle services that provide real‑time visibility and intelligence across our clients' digital ecosystems.

Responsibilities

• Understand the process and practices related to Support Templates and Standard Operating Procedures.
• Take lead and drive critical incidents with team and vendors to reduce resolution time or provide a workaround.
• Perform IOS upgrades and patches to maintain a bug/vulnerable‑free environment.
• Handle complex network and security production issues, identifying and isolating faulty paths to minimize customer impact.
• Collaborate with principal vendors, partners, and customers to deliver permanent resolution within specified timelines.
• Conduct vulnerability assessments, recognize affected products according to principal advisories, and implement prompt solutions or workarounds.
• Work in a 24/7 operations center and standby role for after‑office hours support on a monthly rotational basis.
• Follow and meet customer SLA for all incidents and requests, responsible for service delivery.
• Escalate Enterprise Networking matters from level 1/2 helpdesk engineers, perform level 2/3 troubleshooting and hardware field replacement works for customers.
• Maintain and update technical documentation for configuration changes via helpdesks and managed services customers.
• Close support tickets and provide timely updates to helpdesk personnel and customers for cases allocated to you.
• Utilize ServiceNow ticketing tools & reporting, creating knowledge base articles for complex network issues.
• Create SOP (standard operating procedure) documents for network patching/troubleshooting activities.
• Show good written/documentation and verbal communication skills, modify and update customer network diagrams and documents as needed.
• Apply comprehensive knowledge of ITIL processes within the support center, creating detailed change plans for network activities.
• Work in a team within a complex and fast‑paced environment.
• Demonstrate excellent problem‑solving skills, focusing on salient facts to resolve an issue.
• Mentor L1/2 team members on technical issues.

Qualifications

• Preferred professional certification such as CCNP or ACCP, or equivalent, with a minimum of 7+ years experience in network, wireless, and security technologies.
• Additional advantage of one more professional certification such as Checkpoint, Fortinet, Palo Alto, or F5.
• Familiarity with ITIL principles, specifically in Incident, Change, Problem, and Service Management.
• Proficient in drafting incident reports and root cause analysis (RCA) reports for network outages.
• Experience collaborating with vendors and customers during outage situations and guiding junior team members and customers on effective recovery.
• Hands‑on experience in Operations/BAU for fixing user/infra issues in production and Sharp L2 and L3 troubleshooting skills.
• Network Operations experience supporting diverse sectors, including mid‑range to large company network designs, with a minimum of 5 years of experience in large‑scale network support.
• Essential expertise in multi‑product and technology knowledge, including Cisco, Fortinet, HPE, Palo Alto, F5, and Checkpoint.
• Comprehensive understanding of network operating systems: Cisco IOS, AirOS & NXOS, Aruba ClearPass, FortiOS, etc.
• Proficiency in analyzing network packet data to identify the underlying cause of network‑related issues, using tools such as Wireshark.
• Capable of executing software patching for Cisco routers/switches/NXOS/wireless/ISE, Fortinet Firewall, Manager & Analyzer, Aruba ClearPass in a production environment with minimal or no downtime when feasible.
• Hands‑on experience on Enterprise Networking operations, including VSS, VPC, Cisco ACI, Stacking, Multicast, MPLS, SDWAN, DNAC, DMVPN, IOS‑WLC and Airos‑WLC, OFDMA, WIFI‑6E, MERAKI, etc.
• In‑depth understanding of communication protocols (mainly TCP/IP), routing protocols (e.g., BGP, OSPF), VPN Tunnel (GRE & IPSec), HSRP/VRRP, QoS, IP Flow Top Talkers, NAT, PAT, Port Channel, VXLAN, Policy Routing.
• Ability to perform RMAs for faulty devices in production.
• Working experience on multiple customer environments with multi‑vendor products.
• Highly skilled in packet analysis, network analysis tools, troubleshooting, and analytical fault diagnosis.
• Minimum knowledge in scripting/programming with Python, Perl, etc.

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At Logicalis, we are committed to creating a diverse and inclusive workplace where everyone can thrive.