Sr. Network Engineer

CCC Intelligent Solutions•Chicago, IL

5d•$106,277 - $170,000

About The Position

The Senior Network Engineer designs, implements, maintains, and troubleshoots the organization’s network infrastructure, with an emphasis on hybrid connectivity and cloud network engineering. The role helps ensure network services are secure, reliable, scalable, and aligned with on-premises and cloud environments. It partners with CloudOps on cloud networking design, changes, and incident resolution, while respecting CloudOps ownership of cloud services. The ideal candidate has substantial hands-on network engineering experience, strong troubleshooting skills, and the ability to work independently on complex issues. They can identify underlying causes, assess problems from multiple perspectives, and communicate technical findings clearly to technical and nontechnical audiences. The role participates in an on-call or after-hours support rotation.

Requirements

8+ years of professional network engineering experience in a medium-sized or enterprise environment.
Hands-on cloud network engineering experience, including virtual networks, routing, network security controls, VPNs or private connectivity, and dependencies between on-premises infrastructure and cloud services.
Strong knowledge of TCP/IP, routing and switching, VLANs, subnetting, DHCP, DNS, and IPv4.
Hands-on experience with enterprise firewalls, VPN technologies, wireless networking, network monitoring, and troubleshooting tools.
Experience with routing protocols and network design concepts appropriate for a business-critical environment.
Familiarity with DNS management, cloud connectivity, identity services, Entra ID, and authentication concepts.
Experience using Terraform for infrastructure as code, including defining and maintaining network resources, reviewing plans, managing state, and applying changes through version control and appropriate review.
Ability to use automation and AI-assisted tools appropriately to improve documentation, monitoring, analysis, configuration, and repetitive operational tasks while validating results through sound engineering judgment.
Experience with change management, incident response, documentation, and infrastructure lifecycle planning.
Strong critical-thinking and problem-solving skills.
Calm and systematic approach to troubleshooting under pressure.
Ability to distinguish between symptoms, contributing factors, and root causes.
Comfort working independently while knowing when to involve other teams.
Clear written and verbal communication skills.
Willingness to document work and share knowledge with teammates.
Ability to understand how networking decisions affect cloud, identity, security, systems, and application services.
Practical mindset focused on reliability, security, supportability, and business impact.
Interest in improving processes through automation without losing appropriate review and control.

Nice To Haves

Certifications such as CCNA, CCNP, or comparable vendor and cloud certifications.

Responsibilities

Design, configure, maintain, and troubleshoot enterprise network infrastructure, including switching, routing, wireless, firewalls, VPNs, and related services.
Monitor network performance, availability, capacity, and security, and proactively address potential issues.
Investigate complex incidents and outages, document findings, and participate in root-cause analysis and post-incident follow-up.
Plan and execute network upgrades, migrations, refreshes, and hybrid or cloud connectivity projects with minimal business disruption; use Terraform and other automation tools where appropriate to deliver repeatable, reviewed changes.
Develop and maintain accurate network diagrams, configuration documentation, standards, and operational procedures.
Partner with CloudOps to troubleshoot DNS, cloud connectivity, cloud account dependencies, Entra ID authentication, and identity-related issues across on-premises and cloud environments, while respecting CloudOps ownership of those services.
Collaborate with security, systems, application, service desk, and other technology teams to resolve issues and support business initiatives.
Review proposed changes for technical risk, operational impact, security considerations, and long-term maintainability.
Participate in an on-call or after-hours support rotation.