Sr Network Engineer

| Chicago

Sr. Network Engineer

The responsibility of this position is for designing, implementing and supporting the data communication infrastructure used to support Grainger’s business objectives. This position will ensure maximum availability, reliability, and performance of related infrastructure, systems and network-related applications.

An Engineer is required to possess knowledge of Wide Area Network (WAN) and Local Area Network (LAN) concepts and related hardware and software. Responsibilities include, but are not limited to, working with technologies such as DWDM, DMVPN, routers, layer 2-7 switches, load balancers, application optimization, DNS, network management platforms, network protocols like IPv4 and IPv6, wireless networking technologies and security, and the ability to track and trace problems using network packet captures.

They must be familiar with WAN technologies such as MPLS, T1, DS3, DWDM and Ethernet, and should exhibit a strong understanding of LAN concepts such as trunking, spanning tree, QoS, Multicast, layer 2 and layer 3 switching, virtual port channels, virtual switching, and BGP, EIGRP and OSPF routing protocols. 

Advanced Engineering includes network capacity planning, network performance and measurement skills, ability to resolve complex problems, strong network management knowledge, diagnostics and debugging, an understanding of distributed systems management techniques, and an understanding of change management and problem management concepts. Must be able to design, document, implement, and support stated data network technologies. Working knowledge of server OS’s such as VMWare, Windows, and UNIX skills are a plus.

 

Preferred Education & Experience:

  • Must be proficient with Cisco IOS and NX-OS configuration and troubleshooting
  • Proficient F5 load balancing experience
  • Infoblox DNS experience
  • Usage and experience with NetScout for network monitoring and troubleshooting
  • Background in protocols/codes to include TCP/IP, EIGRP, BGP, OSPF, MPLS, RTP, RTCP, VRRP, ANSI, ETSI, H.323, SIP, G.711 and G.729
  • Strong oral and written communication skills, with the ability to communicate to various levels of management
  • Ability to work on cross-functional teams
  • Ability to adapt technologies to meet changing business processes, and environments
  • Strategically identify and meet business needs through use of cost effective technology in a timely manner
  • Excellent organizational skills
  • Can perform advanced troubleshooting skills and resolve complex network problems
  • Ability to learn quickly and adapt
  • Ability to explain and escalate unresolved problems or questions
  • Strong interpersonal skills
  • Bachelor’s Degree or equivalent work experience
  • 7x24 hour availabity by mobile phone

“Grainger is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, gender identity, sexual orientation, disability, or protected veteran status.”

 

 

 

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Technology we use

  • Engineering
    • GolangLanguages
    • JavaLanguages
    • JavascriptLanguages
    • PythonLanguages
    • SqlLanguages
    • jQueryLibraries
    • jQuery UILibraries
    • ReactLibraries
    • AngularJSFrameworks
    • Backbone.jsFrameworks
    • HadoopFrameworks
    • Node.jsFrameworks
    • SpringFrameworks
    • CassandraDatabases
    • MongoDBDatabases
    • MySQLDatabases
    • Neo4jDatabases
    • OracleDatabases
    • PostgreSQLDatabases
    • RedisDatabases
    • SAP HANADatabases
    • TeradataDatabases

Location

The Ogilvie Train Station has its perks with metra in building and 5 blocks to the L. You can get to the French Market without stepping outside.
500 W Madison, Chicago, IL 60045

What are Grainger Perks + Benefits

Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Pet Insurance
Onsite Gym
Onsite gyms available in various facilities including corporate HQ and some field offices.
Retirement & Stock Options Benefits
401(K)
The company contributes 3% to a 401(k) Plan each pay period as part of an annual Profit Sharing contribution up to a 12% total target if goals are met. Eligibility requirements apply.
Employee Stock Purchase Plan
Performance Bonus
Child Care & Parental Leave Benefits
Generous Parental Leave
Flexible Work Schedule
Remote Work Program
Family Medical Leave
Adoption Assistance
Grainger supports team members and their families who are in the process of adopting by reimbursing up to $6,000 per adoption for eligible expenses.
Vacation & Time Off Benefits
Generous PTO
Paid Holidays
Perks & Discounts
Casual Dress
Commuter Benefits
Company Outings
Stocked Kitchen
Beverages and coffee on demand in our downtown locations.
Professional Development Benefits
Job Training & Conferences
Tuition Reimbursement
Diversity Program
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