Expert Network Engineer

About Us

About Us (Ensono)

Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 3500+ associates globally and is headquartered in greater Chicago.

We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe. And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place. With cross-platform certifications and decades of experience, our technology experts have become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning.

Role Summary

We are seeking a highly experienced Network Expert with 15+ years of expertise in designing, implementing, troubleshooting, and supporting complex enterprise and data center network environments. The ideal candidate will possess deep technical knowledge across routing, switching, network security, load balancing, SD-WAN, and modern data center technologies while serving as a trusted Subject Matter Expert (SME) for critical business and client environments.

This role is primarily focused on network operations (60%), including management of complex incidents, escalations, problem management, root cause analysis, performance optimization, and ensuring network stability across enterprise environments. The remaining 40% of the role involves network design, deployment, architecture review, and implementation of strategic infrastructure initiatives, including data center, cloud, and network transformation projects.

Candidate must demonstrate excellent verbal and written communication skills, with the ability to effectively interact with customers, senior stakeholders, vendors, and cross-functional teams. The successful candidate will be expected to lead technical discussions, present solutions and recommendations, provide operational updates, and build strong customer relationships while ensuring high levels of service delivery and customer satisfaction.

Network Operations & Support

• Provide L3/L4 support for enterprise, data center, and cloud network environments.
• Act as the primary escalation point for critical incidents, major outages, and performance issues.
• Lead troubleshooting of routing, switching, firewalls, load balancers, SD-WAN, and wireless technologies.
• Perform Root Cause Analysis (RCA) and drive preventive actions to improve service stability.

Network Design & Deployment

• Design, implement, and support enterprise, WAN, and data center network solutions.
• Lead network deployments, migrations, upgrades, and infrastructure transformation projects.
• Develop and review network architecture, implementation plans, and technical designs.
• Support modern data center technologies including Cisco ACI, NSX, EVPN-VXLAN, Nexus, and ASR platforms.
• Conduct risk assessments, change plannin