Senior Network Engineer

Luxoft; Phoenix (AZ); On-site; USD 120,000 - 170,000; Full time

Job summary

Luxoft is seeking a Senior Network Engineer to lead the deployment and optimization of data center networking architectures, including Cisco ACI, Juniper, Arista, and F5 load balancers. The role requires hands-on experience with cloud connectivity across AWS, Azure, and GCP, and collaboration with cross-functional teams to ensure compliant, scalable design and operations.

You will validate that data center and cloud network solutions align with standards, runbooks, and security practices while

Qualifications

• Strong expertise in Cisco ACI (policy model, spine-leaf architecture, multi-pod/multi-site concepts).
• Proficient in L2/L3 networking protocols (BGP, OSPF, VXLAN, EVPN).
• Experience with AWS, Azure, or GCP networking constructs and hybrid-cloud connectivity.
• Strong analytical and troubleshooting skills for complex network issues.
• Excellent documentation and communication skills.

Responsibilities

• Lead deployment, configuration, and optimization of Cisco ACI fabric components.
• Design and implement hybrid connectivity solutions (AWS, Azure, GCP).
• Oversee ACI fabric maintenance, upgrades, and health checks.
• Conduct deep-dive diagnostics, packet captures, and traffic analysis.
• Create runbooks, implementation guides, and SOPs.
• Collaborate on high-level design decisions and validation; contribute to HLD/LLD documentation.

Skills

Cisco ACI

L2/L3 networking

Cloud networking

Troubleshooting

Documentation

Education

CCNP Data Center

CCNP Enterprise

AWS Advanced Networking Specialty

Azure Network Engineer Associate

Google Cloud Professional Cloud Network Engineer

Tools

PowerShell

Python

Terraform

Ansible

Wireshark

PowerShell

Python

Ansible

Terraform

Job description

Project description

The Senior Network Engineer is responsible for leading the implementation and optimization of Cisco Application Centric Infrastructure (ACI), Juniper and Arista Datacenter Switching and routing, F5 Load Balancer and hybrid cloud (AWS, GCP and Azure) networking environments. This role provides technical leadership, advanced troubleshooting support, and contributes to high‑level network design activities. The ideal candidate will have deep hands‑on experience in data center networking, cloud connectivity, automation, and cross‑team collaboration. Validate that Data Center and cloud network solutions are implemented and operated in accordance with the Client's standards, guidelines, run books and compliance requirements, be they operated internally or by external partners. Responsible for the architecture requirements gathering, business cases, design, documentation, knowledge transfer, compliance, and updates of technical infrastructure and standards for components and solutions.

Responsibilities

• Lead deployment, configuration, and optimization of Cisco ACI fabric components. Experience in Juniper and Arista datacenter switching and routing Experience In Load Balancing / Application Delivery (F5 LTM/GTM/Enterprise Manager/vCMP, Viprion) Strong Skills and Hands on Cloud Networking concepts in Azure (VNET, NSG, ASG, UDR, Express Route, VNET Gateway, Etc.) and other Cloud providers such as GCP, AWS Design and configure ACI constructs including VRFs, Bridge Domains, EPGs, contracts, and associated policies. Implement segmentation and micro‑segmentation strategies in ACI environments. Oversee ACI fabric maintenance, upgrades, and operational health checks. Partner with architects on high-level design decisions and solution validation. Design and implement hybrid connectivity solutions (AWS, Azure, GCP). Configure Direct Connect, ExpressRoute, VPN gateways, and cloud routing architectures. Integrate ACI with cloud-native networking services to support hybrid workload traffic flows. Ensure best practices for cloud network security, routing, and performance optimization. Perform deep-dive diagnostics, packet captures, and traffic-flow analysis. Lead incident root cause analysis and preventive remediation activities. Contribute to High-Level Design (HLD) and Low-Level Design (LLD) documentation. Create operational runbooks, implementation guides, and standard operating procedures. Ensure adherence to compliance requirements, network governance standards, and change management processes. work US time zone

SKILLS

Must have

• Strong expertise in Cisco ACI (policy model, spine-leaf architecture, multi-pod/multi-site concepts). Solid understanding of L2/L3 networking (BGP, OSPF, VXLAN, EVPN). Strong Experience with AWS, Azure, or GCP networking constructs and hybrid-cloud connectivity. Strong analytical and troubleshooting skills for complex network issues. Excellent documentation and communication skills.

Nice to have

CCNP Data Center or CCNP Enterprise. Cloud networking certifications: AWS Advanced Networking Specialty, Azure Network Engineer Associate, Google Cloud Professional Cloud Network Engineer. Network monitoring and alerting and Dashboarding(Solarwinds Orion, Netflow, Grafana, Net Brain, Etc) Strong scripting and Automation skills, i.e., PowerShell, Python, Ansible and Terraform Experienced in troubleshooting TCP/IP packet capture and analysis using Wire shark and Network Monitor