Position 1: LAN ACI Engineer
Must Have Technical/Functional Skills:
Strong knowledge in Switching technologies – Tenant, VRFs, BDs, EPGs, VXLAN, STP, Trunking, Ether channel, HSRP, VRRP, LACP, PaGP, BGP, OSPF, MP-BGP
Switching Models Nexus 9K, 7K, 5K, 2K, VPC, FEX, VDC, Cisco VSS, VPC, Cisco Catalyst 6800, 6500, 4500, 3800, 3500 2900 with stacking.
Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).
Extensive experience on designing and implementing Cisco ACI, SDA (Software-Defined Access), DNAC with Data Center Networking Technologies and Cloud Solutions.
Strong experience with Monitoring and Alerting Tools: Cisco APIC/ACI, Nexus Dashboard, Cisco DNAC, Cisco ISE, PagerDuty, Nagios & Thousand Eyes.
- CCNP Certified (Routing & Switching) & Higher
- Strong knowledge on Cisco Data Center with ACI environment (Single/Multi Pod)
- Expert Knowledge of LAN switching technologies: STP, Trunking, Ether channel and good understanding of high availability fundamentals (HSRP and VRRP)
- Good understanding of Local Area Network (LAN) switching technologies including ACI, APIC, VXLAN, fabric path, SDA, DNAC, ISE, Spanning Tree, Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP) concepts.
- Good hands-on experience on the load balancing concepts like - LACP, PaGP
- Strong hands-on work experience with Cisco Nexus 9K, 7K, 5K, 2K devices, Cisco Catalyst 9K, 3K & 4K series.
- Experience in designing, deploying, and troubleshooting VSS, VDC, VPC, OTV, Fabric path, FCoE and multi-tenancy in the datacenter.
- Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).
- Good understanding of DHCP, DNS - Hands-on experience & troubleshooting knowledge on Infoblox.
- Troubleshooting network link/device hardware/configuration issues, isolating the problem, fixing the problem
- Install, configure, and support large-scale production and corporate network infrastructure including routers, switches, console servers and equipment.
- Schedule and perform network maintenance, repair, and upgrade tasks as needed while limiting the impact on the production network.
- Very strong Layer 2 & 3 Networking skills solid BGP, IPV4, IPv6, Change management.
- Troubleshooting the routing protocols like BGP, EIGRP, Static and OSPF and work with the ISPs and internal teams to resolve the issues.
- Experience working on CoS, QoS, WRED and related quality of service parameters.
- Working knowledge on MPLS, Metro Ethernet and Hub & Spoke concepts
Roles & Responsibilities:
- Provide operations support for Enterprise LAN, Security, Data Center, and Campus Network platforms across North America locations.
- Installing, configuring, and supporting network equipment including Switches & Routers using APIC & DNAC tool.
- Configuration and Operational support experience with Cisco ACI - Spine-leaf switches, APIC and APIC-EM controller, Nexus switches.
- Resolve connectivity problems between applications, EPGs, and external networks.
- Diagnose routing, contracts, and endpoint learning issues.
- Maintain external connections (L3Out, firewalls, load balancers) and Apply micro segmentation and policy rules.
- Add or update ACI objects (tenants, VRFs, bridge domains, EPGs, contracts).
- Deep understanding of network orchestration and automation using Cisco ACI/APIC, SDA & DNAC with ISE integration.
- Procuring network equipment and managing subcontractors involved with network installation.
- Configuring routing and switching to maximize network efficiency and security.
- Supervise and or performing site installs, maintenance, upgrades or software enhancements to support the network infrastructure needs.
- Plan and execute APIC and switch firmware upgrades.
- Function as a point of escalation for operational entities regarding regular or complex issues.
- Maximizing network performance through ongoing monitoring and troubleshooting
- Investigating faults in the network
- Resolve incidents/problems/Changes according to established procedures.
- Work on Service improvement activities and completing it within the target dates.
- Explore & Support automation where possible.
- Work closely with customer, Infrastructure teams and vendors such as Cisco.
- Reporting network status to key stakeholders
Position 2: Network LAN SDA Engineer
Must Have Technical/Functional Skills
1. 8 to 10 years of professional experience.
2. High-level teaming and communication skills to influence and persuade others.
3. Strong written and verbal communication skills with the ability to create and present concepts and recommendations to management.
4. Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).
5. Extensive experience on designing and implementing Cisco SDA (Software-Defined Access), Catalyst Center with Data Center Networking Technologies and Cloud Solutions.
6. Strong experience with Monitoring and Alerting Tools: Cisco DNAC/Catalyst Center, Cisco ISE, PagerDuty, Nagios, Data Dog, Thousand Eyes, CloudWatch, Grafana, Zabbix & Site24x7
Deep understanding of Local Area Network (LAN) switching technologies including SDA, DNAC, ISE, VXLAN, ACI, fabric path, Spanning Tree (STP), Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP) concepts.
Cisco SDA Certified or higher certification
Proficient with scripting technologies, including but not limited to Python, Ansible, Perl, and Terraform.
Roles & Responsibilities
1. Must have excellent communication and troubleshooting skills.
2. Support a Cisco centric LAN, WAN and WLAN environment. This includes Switches routers, firewalls, security, wireless & ISE.
3. Plan, configure, and implement Cisco SDA fabric solutions using Cisco Catalyst Center (formerly DNA Center).
4. Manage fabric roles including control plane, border, and edge node configurations.
5. Perform fabric monitoring, assurance, and policy management.
6. Provide operational technical support for Cisco Catalyst 9300, 9500, 9600 series, and Cisco IE industrial switches.
7. Handle network integration and troubleshooting within OT environments.
8. Perform hardware installations including stacking, power redundancy, and module replacements.
9. Measurement, optimization, and tuning of network performance and ensuring that systems will run reliably and are highly available.
10. Deep understanding of network orchestration and automation using Cisco SDA & DNAC with ISE integration, Phyton & Ansible.
11. Perform critical technical troubleshooting for LAN and fabric-related incidents.
12. Lead software upgrades, patching, and maintenance activities across switching infrastructure.
13. Conduct root-cause analysis and implement preventive measures to improve network reliability.
14. Strong knowledge and practical experience with OSPF, BGP, ISI-IS protocols.
15. Prepare and maintain detailed technical documentation, network diagrams, and SO Ps.
16. Collaborate with cross-functional teams including security, OT operations, and project engineering.
17. Support change, problem management activities and participate in on-call rotation for critical events.
18. Function as a point of escalation for operational entities regarding regular or complex issues.
19. Monitor system for trouble areas and proactively resolve and document root cause.
20. Work closely with customer, Infrastructure teams and vendors such as Cisco.
Experience working Agile methodologies or working as part of an Agile team.
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