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Network Security Engineer, Senior

Job in Downers Grove, DuPage County, Illinois, 60516, USA
Listing for: Sentinel Technologies Inc.
Full Time position
Listed on 2026-08-13
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 100000 - 150000 USD Yearly USD 100000.00 150000.00 YEAR
Job Description & How to Apply Below

Responsibilities

Sentinel Technologies is searching for a passionate and experienced Senior Network Security Engineer who thrives in a fast-paced, solutions-driven environment. As a Senior Network Security Engineer you will design, implement, and configure secure network solutions for mid-to-enterprise-level clients using cutting-edge technologies. Your commitment to customer satisfaction and highly available and secure solutions will position you for success. Sentinel a growing MSP recognized by industry leaders across the country.

Sentinel excels with the ability to support our teams professionally across our organization to be successful and at the forefront of technologies. This is a full-time position that can work remote when not needed at client locations reporting to our corporate headquarters in Downers Grove, Illinois.

What You’ll Do:

  • Design, implement, and support secure network solutions for a variety of client environments.
  • Work hands-on with Cisco routers and switches to optimize and secure network infrastructure.
  • Deploy and manage Cisco, Palo Alto, and Fortinet firewall solutions.
  • Architect and implement large-scale network security solutions (3+ years of experience required).
  • Configure and maintain Cisco Security products such as ISE, FDT, FMC, AMP, and Umbrella.
  • Perform migrations and upgrades across various network and security platforms.
  • Implement wireless networks using Cisco Wireless LAN controllers in both centralized and converged access deployments.
  • Work with Cisco ACI and SD-WAN (experience in these areas is a plus).
  • Provide exceptional customer support and act as a trusted advisor to clients.
Qualifications
  • 8+ years of experience working with Cisco, Palo Alto, and/or Fortinet solutions
  • Hands-on experience with Cisco routers and switches is required
  • 5+ years of experience designing and implementing large scale network security solutions
  • CCNP Certification or equivalent manufacture certification or higher is preferred
  • Experience with Cisco Security products such as FDT, FMC, AMP, Umbrella
  • Experience in performing migrations and upgrades on various platforms is a plus
  • Familiar implementing wireless networks with Cisco wireless LAN controllers using both traditional centralized deployments as well as converged access is a plus
  • Cisco ACI and SD WAN experience is a plus
  • 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: $100,000 - $150,000

What you get:

We offer an energetic work environment with many corporate culture amenities, competitive salary, and rich benefit plan including:

  • Medical
  • Dental
  • Vision
  • 401K
  • 529
  • Life Insurance
  • Income Protection Short and Long-Term Disability
  • Medical and Child/Elder Care
  • Flexible Spending Account Plans
  • Family Planning Benefits
  • Financial Education
  • Identity Theft Protection and Assistance
  • Legal Services
  • Employee Assistance Program
  • Two weeks’ vacation
  • additional paid time-off for Personal and Sick
  • certification and hands-on training
  • and employee discount for product services and entertainment.
Overview

MOTIVATED…..make IT happen!

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;
P…

Position Requirements
10+ Years work experience
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