Network Engineer, Senior

Job ID
Contract W-2 FTE


Job Description Banner Option

The Senior Network Engineer is responsible for the design, deployment, and maintenance of a complex enterprise network for one of our major customers. Reporting to the Director of Infrastructure & Security the role will lead architecture design and identify tasks needed to maintain performance, availability, integrity, and security of the network. You must have a deep understanding of networking concepts and technologies, as well as the ability to troubleshoot problems and implement security measures. This is a contract to hire or direct hire opportunity reporting onsite in Chicago, IL with the ability to work remote 1-2 days a week. This role may require going to other locations on occasion.


  • Bachelor's degree in computer science, information technology, or a related field.
  • 5+ years of experience in Cisco networking.
  • Must have experience deploying and administering: ASA w/FirePOWER – NGFW, Umbrella, and ISE.
  • CCNP (Enterprise, Security, & Data Center) certification or equivalent.
  • Networking fundamentals: A deep understanding of networking concepts, such as TCP/IP, routing protocols, and switching technologies.
  • Cisco networking technologies: In-depth knowledge of Cisco networking hardware and software, including routers, switches, firewalls, vpn, and wireless access points.
  • Network security: The ability to design and implement secure networks, using firewalls, intrusion detection systems, intrusion prevention systems, and other security measures, such as Umbrella, Identity Services Engine, Cloud Analytics, & Secure Client.
  • Troubleshooting: The ability to quickly and effectively troubleshoot network problems.
  • Problem solving: The ability to identify and solve complex networking problems, including WAN capacity planning and optimization.
  • The candidate must have a car, as this position requires travel between location and the transportation of equipment.
  • A valid driver’s license and proof of vehicle insurance will be required.
  • Legally authorized to work in the US without sponsorship.
  • Must demonstrate a “can-do” attitude.


We focus on candidates that display our “ACE” factor – Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.


Compensation range: 50-60/hr



What you get:

We offer weekly competitive pay, medical, dental, vision, 401K and more.


MOTIVATED…..make IT happen!

Work-Life FlexibilityTechnologyCompensation & Benefits

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012!


About Us:      

Sentinel delivers solutions that can efficiently address a range of IT needs – from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982, Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of today’s global technology leaders including Cisco, Dell, VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ), Chicago, and Springfield, IL; Phoenix, AZ.; Detroit, Lansing, and Grand Rapids, MI; Milwaukee, WI; Denver, CO; and Fort Lauderdale, FL. 


If you are MOTIVATED… you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and values a team-oriented culture with rewards based on impact!


If you share our passion about what technology can do and want to be part of a top workplace environment – we’d like to have you join our team.  Learn more at


As part of Sentinel's employment process, candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.


Sentinel is proud to be an equal opportunity/affirmative action employer committed to a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, genetics, disability, pregnancy, veteran status or any other basis protected by law.


If you are an individual with a disability and need assistance in applying for a position, please contact



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