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Sr. Network Engineer

Posted 21 days ago

12 Month Contract
Onsite 2 days per week in Rosemont, IL.

Position Summary: The Network Engineer will share responsibility for the planning, design, build, and 24x7support of global IP LAN/WAN IP infrastructures including routing, switching, wireless, network security and load balancing supporting 170+ global locations and 3 major contact centers. The candidate will develop, document, and implement best practices and standards. The candidate will provide technical leadership and work on multiple projects or issues of high complexity that require in-depth knowledge of multiple technical areas.
People or Process Management Responsibility: shared latitude in determining objectives and approaches in critical assignments.

Required Skills and Experience:
• High School diploma (or equivalent) required and at least 8 years of experience in network planning, designing, building, and supporting mission critical LAN, WAN, network security, and Wireless network infrastructures.
• 5-7 years of hands-on experience in the following technical areas:
• Routing protocols such as OSPF, BGP, IGRP, EIGRP, PBR
• Layer 2 network concepts including spanning tree, VPC, VXLan and VLAN design (example: Cisco Nexus/Catalyst switches).
• Wireless (WiFi) 802.11 a/b/g/n technologies
• Network security/VPN/SSL technologies, such as Cisco, Palo Alto.
• Cisco Nexus platforms – 2k, 5K, 7K and 9K
• F5 Load Balancing – LTM and GTM
• 3-5 years of experience with medium to large enterprise organizations with multiple remote locations
• 3-5 years of experience working with all application owners and other IT stakeholders to build and support the most efficient and stable networking capabilities
• 2-4 years of experience with 24 X 7 support leadership in conjunction with a managed service provider maintaining accountability and measurement of uptime and performance
• Excellent verbal and written communication skills
• Technical leadership and coaching of network technical staff.
• Proficient in Microsoft Office and Visio
• This position must pass a post-offer background and drug test.

Preferred Skills and Experience:
• Bachelor’s degree
• Certifications: CCNP, CCVP, or CCIE, Palo Alto, F5
• Trill/Fabric Path technologies
• Cisco ACI and VXLan and IWAN networking
• Solid knowledge of voice protocols such as SIP, H323, MGCP, SCCP.
• Current knowledge/understanding of SRST, MPLS, DMVPN, IPSec, and WAN. 

Responsibilities may include, but not limited to:
Support and Maintenance:
• Ensure timely resolution of all tickets
• Participate in the current incident, problem, and change control processes
• Enable and drive continuous improvement through the IT Service Center & Managed Service partners
• Develop and oversee the adherence to maintenance and performance standards of data, wireless, voice or video network hardware, and systems
• Troubleshoot highly complex data video network and hardware problems
• Perform capacity planning through the ongoing monitoring, alerting, and reporting of resource utilization levels and errors in the environment using a variety of tools and processes
• Implement and maintain network security best practices by assessing current threats, vulnerabilities, risks and associated technical countermeasures
• Maintain inventories for support and maintenance per location by working with our selected vendor
• Build, maintain, and audit all LAN, WAN, and WLAN network related documentation as it relates to configuration, processes, service records, asset inventories, topologies, administration manuals, job instructions, support contacts, etc.
• Execute work through others

Strategy & Planning:
• Plan, design, and optimize high-level LAN, WAN, and WLAN solutions
• Develops strategies and direction for network solutions using current and emerging technologies.
• Develop strategies to create a highly scalable an resilient network environment
Perform network infrastructure readiness assessments
• Perform analysis & trending of utilization and growth providing a proactive design based on the demands of the business
• Translate business requirements into network and telephony process designs
• Plans and recommends network hardware, systems management software, and architecture.
• Approve and modify design and architecture to ensure compliance
• Analyze technical needs, requirements, and state of the network’s infrastructure design, integration, and operations
• Develops implementation plans for all LAN, WAN and external network connections - including organizing vendors and users, network drawings and schedules.
• Provide knowledge transfer and detailed design/operational documentation to clients
• Participate in the development of the enterprise unified communications strategy
• Other projects or duties as assigned.

It is a job requirement that workers on this site be fully vaccinated against COVID-19, subject to reasonable accommodations for individuals with medical conditions or religious beliefs that prevent vaccination.

Candidates will be responsible for following the client's COVID-19 protocols. Please refer to your MATRIX representative for specifics.

About Us

At MATRIX, we expertly match talented professionals with job opportunities to elevate careers. Since 1983, we have placed thousands of professionals at innovative clients across every industry ranging from small startups to Fortune 50 companies. It’s why we’re consistently in the top 25 of all U.S. IT staffing firms and why our consultants rate us well above the industry average, earning us ClearlyRated's Best of Staffing awards year after year. People come to us for a job, and stay with us because of our top-notch consultant care.

MATRIX is and Equal Employment Opportunity employer including disability and veteran and provides reasonable accommodations for all qualified individuals.  Supporting medical or religious documentation will be required where applicable. If you are a qualified individual you may request a reasonable accommodation under the American Disability Act (ADA). If you are a person with a disability needing assistance applying, or at any point in the hiring process, please email us at To ensure a quick response to your request, please use the words “Accommodation request” as the subject line of your email.

For hourly W2 contract roles MATRIX offers a highly competitive benefit package including Medical, Dental, Vision, Life, Disability, HSA, and 401(k) with pre and post-tax options.  Please see for more information.

For direct hire placement with our clients, benefits would be offered in accordance with that particular client’s offerings. This may include PTO, Medical, Dental, Vision, 401K and other pre and post-tax options.