Network Support Engineer

Network Support Engineer

Role Summary

The Network Support Engineer is responsible for implementing change requests, typically during evening maintenance windows, troubleshooting customer connectivity incidents, and participating in a rotating on-call schedule to meet SLA requirements.

Key Responsibilities

• Implement scheduled change requests and maintenance activities during defined change windows (typically beginning around 7:00 PM), following established change control procedures and rollback plans.

• Triage, diagnose, and resolve customer-impacting connectivity incidents across campus, data center, and WAN environments.

• Perform hands-on configuration, upgrades, and troubleshooting of:

• Cisco Nexus switches

• Cisco ASA firewalls

• Cisco ACI

• F5 BIG-IP LTM devices

• Analyze routing and forwarding issues involving:

• BGP

• OSPF

• VRFs

• VXLAN/EVPN (where applicable)

• HSRP/VRRP

• Related networking protocols

• Troubleshoot firewall policies, NAT configurations, access control lists (ACLs), and SSL/TLS offloading issues on Cisco ASA and F5 platforms.

• Utilize packet captures, log analysis, and monitoring tools (e.g., Wireshark, tcpdump) to identify root causes and resolve issues efficiently.

• Participate in an on-call rotation, responding to alerts and incident escalations, performing after-hours remediation, conducting post-incident reviews, and maintaining incident documentation.

• Maintain accurate network documentation, diagrams, and operational procedures.

• Required Experience & Skills

• Hands-on experience with Cisco Nexus (NX-OS) platform.

• Strong experience with Cisco ASA firewalls, including policy management, NAT, and VPN troubleshooting.

• Expertise in Cisco ACI, including:

• APIC administration

• Tenants

• Contracts

• Endpoint Groups (EPGs)

• Forwarding and connectivity troubleshooting

• Experience with F5 BIG-IP LTM, including:

• Virtual Servers

• Pools

• iRules

• SSL Profiles

• Strong routing and switching knowledge, including:

• BGP

• OSPF

• VLANs

• STP

• VRFs

• HSRP/VRRP

• Proficiency in troubleshooting using packet captures, device logs, and CLI diagnostic tools.

• Excellent customer-facing communication skills with the ability to explain technical issues to non-technical stakeholders.

• Strong documentation skills and attention to detail.

• Preferred Qualifications

• Industry certifications such as:

• CCNA

• CCNP

• F5 Certifications

• Work Schedule

• Willingness to work evening maintenance windows (typically beginning at 7:00 PM).

• Participation in a rotating on-call support schedule to ensure SLA compliance and operational continuity.

• Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

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