CISCO ACI Network Engineer

Core BTS, Inc.; Milwaukee (WI); On-site; USD 110,000 - 170,000; Full time

Job summary

Core BTS, Inc. is seeking a skilled Cisco ACI Engineer for a contract engagement in Milwaukee, WI.

The role focuses on design, deployment, and optimization of Cisco ACI environments, ensuring alignment with enterprise infrastructure and security requirements. The ideal candidate has extensive data center networking experience, hands-on Nexus switching (9000/7000 series), APIC management, and expertise in VXLAN, VRF, EPGs, and related policies.

Qualifications

• 7 years of enterprise network engineering experience with Cisco ACI.
• Deep expertise in Nexus switching (Nexus 9000/7000/5000/2000).
• Hands-on experience with ACI Fabric Deployment, APIC, and policy-based networking.
• Strong routing protocols knowledge: BGP, OSPF, EIGRP, VXLAN, EVPN.
• Data center networking, SDN, and network automation.
• Excellent communication and collaboration skills.

Responsibilities

• Configure and maintain Cisco ACI fabric in an enterprise environment.
• Configure Nexus 9000 switches in ACI and NX-OS modes.
• Manage APIC configurations, policies, and troubleshooting.
• Implement VXLAN, VRF, EPGs, contracts, L3Out, and multi-site ACI architectures.
• Troubleshoot network performance issues, coordinating with cross-functional teams.
• Document network designs, SOPs, and best practices.

Skills

Cisco ACI

Nexus switching

APIC management

VXLAN/EVPN

SDN

Automation

Communication

Tools

Nexus 9000 series

Nexus NX-OS

APIC

Job description

Through NRI Resource Management Services (RMS), we offer custom talent solutions to help our clients meet their evolving technology and business needs. We help effectively match the right technology professional to their organization, recruiting for contract, contract-to-hire, and direct roles. Our client in Milwaukee, WI has an immediate need for a Microsoft 365 Engineer. Please note that this is a contract opportunity with our client and NOT with NRI.

Job Summary:

Our client needs a skilled Cisco ACI Engineer with extensive enterprise networking experience and a strong background in Nexus switching. This role will focus on the support, and optimization of Cisco ACI environments, ensuring seamless integration with enterprise infrastructure. The ideal candidate will have deep expertise in data center networking, software-defined networking (SDN), and automation, along with hands-on experience configuring and troubleshooting Cisco Nexus switches.

Key Responsibilities:

• Configure and maintain Cisco ACI fabric in an enterprise environment.
• Configure and optimize Nexus 9000 series switches in ACI and NX-OS modes.
• Manage Application Policy Infrastructure Controller (APIC) configurations, policies, and troubleshooting.
• Implement VXLAN, VRF, EPGs, contracts, L3Out, and multi-pod/multi-site ACI architectures.
• Troubleshoot network performance issues, ensuring minimal downtime and optimal operations.
• Collaborate with cross-functional teams including cloud, security, and server teams to align ACI with business needs.
• Perform software upgrades, patches, and lifecycle management for ACI and Nexus environments.
• Document network designs, best practices, and standard operating procedures (SOPs).

Required Skills & Experience:

• 7 years of enterprise network engineering experience, with a strong focus on Cisco ACI.
• Expertise in Cisco Nexus switching, including Nexus 9000, 7000, 5000, and 2000 series.
• Hands-on experience with ACI Fabric Deployment, APIC management, and policy-based networking.
• Proficiency in routing & switching protocols (BGP, OSPF, EIGRP, VXLAN, EVPN).
• Experience in data center networking, SDN, and network automation.
• Excellent communication skills with the ability to work independently and in a team.

Preferred Qualifications:

• Cisco certifications (CCNP, CCIE, or ACI-related certifications).
• Experience in highly available, mission-critical enterprise environments.