Senior Network Engineer

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Essential Job Functions

The Senior Network Engineer builds and maintains the network infrastructure that supports the day-to-day business operations of the Tollway. This position is also responsible for providing end-user technical support and assistance. This position will work primarily at HQ and occasionally at field sites on the Tollway that contain network hardware and software.

Principal Accountabilities

• Troubleshoot and correct complex network problems, outages, and security threats.
• Manage, monitor, and maintain network equipment and security infrastructure.
• Upgrade network hardware and software components as required.
• Design, implement, configure, and secure new and emerging technologies.
• Respond to the needs and questions of users for general technical support, access, resources, and security.
• Monitor computer programs that control user access to the ISTHA network.
• Perform complex technical analysis of software, hardware, and network systems firewalls, access networks, LAN/WAN communications, and wireless communications, and various transmission systems to determine vulnerabilities and develop mitigation plans to address them.
• Document root cause for network issues.
• Coordinate installation of security operating system software and hardware, test, maintain, document, and modify configurations.
• Work with the development and systems integration group to ensure all proprietary and third-party applications are properly integrated within the ISTHA network and security structure.
• Document all steps taken to modify systems and all procedures required to implement changes to the network and security hardware and software, following all related Change Control policies and procedures.
• Follow Tollway defined processes including SLA requirements, ticket updates, and acknowledging network alarms.
• Create and maintain network infrastructure documentation and diagrams.
• Conduct feasibility studies for strategic and tactical plans, design of networks, and evaluation of network security services/technology for current and future network development.
• Validate attacks against the network, assess overall impact, and act to eliminate identified threats and prevent future incidents.
• Other duties as assigned.

This position will challenge the following skill sets:

• Hands-on installation, configuration, and maintenance of network routers, L2/L3 switches, and security equipment.
• Copper and fiber optic structured cabling systems.
• Advanced Network Engineering and troubleshooting.
• Switching technologies such as VLANs, Trunking, VTP, and STP.
• Significant knowledge of routing protocols such as OSPF, EIGRP, BGP & VRF.
• Knowledge of Internet connectivity, VPN, IPSEC, port forwarding.
• Skills in WAN technology like DWDM, MPLS, Metro Ethernet, and PPP.
• Enterprise level wireless networking and VOIP.

Qualifications

Education (Required):

• Bachelors degree in a technical field and 6 years network technical experience or 10 years network technical experience in a large Enterprise environment (>25 sites and >2000 users).

Skills and Experience (Required):

• Must have a high energy level, be motivated, and possess strong technical, verbal, and written skills.
• In addition to strong technical skills, the applicant must be self-motivated and be able to operate efficiently with minimal direction.
• Must be able to lift 50 pounds.
• Must be able to pass a background check.
• Must have a valid driver's license.
• Must carry Tollway issued cell phone for on-call support and for response to calls/incidents before or after shift hours/weekends/holidays.

The Senior Network Engineer must have substantial experience with at least some of the following equipment:

• Cisco NCS 2006 Optical Transport (DWDM) or comparable.
• Cisco ONS 15454 SONET Multiservice Provisioning Platform or comparable.
• Cisco Catalyst 9xxx series switches or comparable.
• Cisco Nexus 77xx or 93xxx series switches or comparable.
• Cisco 2000 thru 7200 series routers or comparable.
• Cisco ASA 55xx, FTD 2xxx or 3xxx firewalls or comparable.
• Meraki Wireless AP's or comparable.

The Illinois Tollway is committed to creating a diverse environment and is proud to be an equal employment opportunity employer. All qualified applicants will receive consideration for employment.