Manager, Network Services

At Tenneco, we don’t follow industry standards; we set them, and we don’t settle for being best-in-class because we hustle to be better than best-in-class. Whether it’s our Core Values – radical candor, simplify, organizational velocity, tenacious execution and win – or our Get Stuff Done (GSD) mindset, we’re determined to become the most trusted partner and best manufacturer and distributor to the transportation industry.

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Here, you’ll work alongside a team of relentless problem-solvers who are committed to making a tangible impact. If you’re ready to break boundaries, deliver results, and enjoy the ride along the way, you’ll thrive here.

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DRiV is the aftermarket business group of Tenneco - DRiV website

Manager, Network Services

JOB DESCRIPTION

REPORTS TO: Director, Infrastructure - Platform & Core Services

LEVEL: Manager

LOCATION: Skokie , Illinois, United States

EMPLOYMENT TYPE: Full-time, DRiV role

Position summary

The Manager, Network Services is the technical service owner and operational leader for DRiV’s enterprise network, data-center fabric, network security operations, DNS/DHCP, remote connectivity, and voice services. Based in Chicago to provide leadership presence for the primary U.S. data-center environment, the role governs a managed service provider and remains close to the network environment. The Manager is expected to provide hands-on troubleshooting and command during major incidents, outages, and complex changes when needed.

Role scope

- Leading managed service providers supporting network, datacenter, security infrastructure, load balancers, and voice operations

- Stable delivery of global enterprise LAN/WAN and site connectivity

- Managing DNS, DHCP, and NTP services

- Managing wireless access points, controllers, and related infrastructure

- Ownership of firewalls, web proxies, VPN, and related infrastructure with policy governance and approvals owned by Cyber Defense

- Ownership of enterprise voice, SIP, and contact-center services

- Physical presence and support at Chicago and secondary datacenters when required

Key responsibilities

Technical service ownership

- Own availability, performance, capacity, and supportability for LAN, WAN, DNS, DHCP, VPN, data-center fabric, network security platforms, and voice.

- Lead major network incidents and participate hands-on in packet-level analysis, configuration review, failover, recovery actions, and service validation.

- Manage incidents, problems, changes, requests, monitoring, maintenance windows, carrier escalations, and engineering backlog.

- Maintain accurate diagrams, inventories, configurations, standards, procedures, and recovery documentation.

Architecture and lifecycle

- Maintain roadmaps and standards for campus, branch, WAN, data-center fabric, load balancing, remote access, and voice.

- Lead complex network designs and partner with Cyber Defense and provider specialists on segmentation, resilience, security, and exceptions.

- Plan refreshes, upgrades, carrier changes, capacity growth, site transitions, and retirement of unsupported equipment.

- Ensure new sites, applications, cloud services, and data-center changes have scalable, secure, and supportable designs.

Data-center operations

- Provide on-site leadership for the Chicago data-center network and coordinate work requiring physical presence.

- Ensure VXLAN fabric operations, provisioning, resilience, capacity, documentation, and changes meet business requirements.

- Coordinate with platform, facilities, site support, carriers, and providers for maintenance and incidents.

- Establish and test recovery and failover procedures for critical network services.

Network security partnership

- Manage technical execution for firewall, VPN, proxy, load-balancer, and network-security changes under Cyber Defense governance.

- Require approved requests, business justification, testing, rollback plans, and post-change validation.

- Partner with Cyber Defense on segmentation, exposure reduction, vulnerability remediation, logging, configuration, and incident response.

Provider, carrier, and financial management

- Set measurable technical and service expectations for the managed service provider and lead corrective actions.

- Manage carrier performance, contracts, maintenance, licensing, and technical escalations.

- Validate circuit inventory and invoice accuracy with IT Financial Operations.

- Develop forecasts and business cases for bandwidth, resilience, refresh, modernization, and site connectivity.

Required qualifications and experience

- 8+ years of progressive enterprise network experience, including 3+ years leading technical teams or service providers

- Deep hands-on knowledge of LAN/WAN, routing, switching, DNS, DHCP, VPN, firewalls, load balancing, and monitoring, with the ability to troubleshoot directly during outages

- Experience with data-center networks and VXLAN or comparable overlay technologies

- Experience managing carriers, circuits, providers, incidents, changes, capacity, and lifecycle programs

- Working knowledge of segmentation, secure configuration, logging, and controlled firewall-change processes

- Ability to provide leadership presence for a critical data-center environment and support after-hours incidents and changes

- Bachelor’s degree in information technology, computer science, engineering, or equivalent experience

Preferred qualifications and experience

- Cisco enterprise and data-center networking, F5, Zscaler, enterprise firewalls, SIP, and contact-center experience

- CCNP/CCIE, ITIL, cloud-networking, or network-security certification

- Global manufacturing, SD-WAN, data-center modernization, segmentation, or separation-program experience

Key working relationships

- Infrastructure and cybersecurity leadership

- Applications, Shared Infrastructure Services, Site Support, Finance, Procurement, and business stakeholders

- Managed service provider leadership, technical leads, engineers, carriers, and technology vendors

Travel and working requirements

Periodic travel may be required. The role participates in planned after-hours changes and critical incident response when necessary.

Equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities