LAN ACI Engineer

Technical/Functional Skills

• Strong knowledge in switching technologies: Tenant, VRFs, Bridge Domains, EPGs, VXLAN, STP, trunking, EtherChannel, HSRP, VRRP, LACP, PaGP, BGP, OSPF, MP‑BGP
• Experience with switching platforms: Cisco Nexus 9K, 7K, 5K, 2K; VPC, FEX, VDC; Cisco VSS; Cisco Catalyst 6800, 6500, 4500, 3800, 3500, 2900 (stacking)
• Deep understanding of IP addressing and Variable Length Subnet Mask (VLSM)
• Designing and implementing Cisco ACI, Software‑Defined Access (SDA), DNAC, data‑center networking and cloud solutions
• Monitoring and alerting tools: Cisco APIC/ACI, Nexus Dashboard, Cisco DNAC, Cisco ISE, PagerDuty, Nagios, ThousandEyes
• CCNP (Routing & Switching) or higher certification
• Expertise in LAN switching: STP, trunking, EtherChannel, high‑availability (HSRP, VRRP)
• Proficient with ACI, APIC, VXLAN, fabric path, SDA, DNAC, ISE, VLAN, VTP
• Load‑balancing concepts: LACP, PaGP
• Hands‑on experience with Cisco Nexus 9K/7K/5K/2K and Catalyst 9K/3K/4K series
• Design, deployment, and troubleshooting of VSS, VDC, VPC, OTV, fabric path, FCoE, multi‑tenancy in data centers
• DHCP and DNS knowledge; troubleshooting with Infoblox
• Installation, configuration, and support of large‑scale production networks (routers, switches, console servers)
• Network maintenance, repair, and upgrade planning with minimal production impact
• Strong Layer 2/Layer 3 skills: BGP, IPv4, IPv6, change management
• Troubleshooting routing protocols (BGP, EIGRP, static, OSPF) and coordination with ISPs
• Experience with CoS, QoS, WRED and related quality‑of‑service parameters
• Working knowledge of MPLS, Metro Ethernet, and hub‑and‑spoke concepts

Roles & Responsibilities

• Provide operations support for enterprise LAN, security, data‑center, and campus network platforms across North America
• Install, configure, and support network equipment (switches & routers) using APIC and DNAC tools
• Configure and operate Cisco ACI spine‑leaf switches, APIC/APIC‑EM controllers, and Nexus switches
• Resolve connectivity issues between applications, EPGs, and external networks
• Diagnose routing, contract, and endpoint learning problems
• Maintain external connections (L3Out, firewalls, load balancers) and apply micro‑segmentation and policy rules
• Add or update ACI objects such as tenants, VRFs, bridge domains, EPGs, and contracts
• Orchestrate and automate network operations using Cisco ACI/APIC, SDA, DNAC, and ISE integration
• Procure network equipment and manage subcontractors for installations
• Configure routing and switching to maximize efficiency and security
• Supervise site installs, maintenance, upgrades, and software enhancements
• Plan and execute APIC and switch firmware upgrades
• Act as escalation point for complex operational issues
• Monitor network performance continuously and troubleshoot faults
• Investigate and resolve incidents, problems, and change requests per established procedures
• Lead service‑improvement activities and meet target dates
• Explore and support automation opportunities
• Collaborate with customers, infrastructure teams, and vendors (e.g., Cisco)
• Report network status to key stakeholders

Qualifications

• Bachelor of Computer Science

Pay

Base Salary Range: $80,000 – $110,000 per annum.

Benefits

• Discretionary annual incentive
• Comprehensive medical coverage: health, dental, vision, disability, pet insurance
• Family support: maternal and parental leaves
• Insurance options: auto, home, identity‑theft protection
• Convenience and professional growth: commuter benefits, certification and training reimbursement
• Time off: vacation, sick leave, holidays
• Legal and financial assistance: legal aid, 401(k) plan, performance bonus, college fund, student‑loan refinancing