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Network Security Engineer

Job in Chicago, Cook County, Illinois, 60290, USA
Listing for: TEKsystems c/o Allegis Group
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 90 - 95 USD Hourly USD 90.00 95.00 HOUR
Job Description & How to Apply Below

Description

Project Overview / Contractor’s Role:
The Principal Network Security Engineer plays a pivotal role in safeguarding the organization’s infrastructure by architecting, deploying, and managing advanced network security platforms. This is a high-impact position within a newly formed team dedicated to mission-critical initiatives, where reliability, resilience, and exceeding expectations are standard. We’re seeking a strategic thought leader and self-driven engineer with a deep security-first mindset and a strong sense of product ownership‑someone who can lead the transformation and continuous evolution of our network security ecosystem in alignment with our business and cybersecurity objectives.

Responsibilities
  • Solution Architecture & Design – Partner with cross‑functional stakeholders to architect and deliver secure, scalable solutions tailored to evolving business and security requirements.
  • Deployment & Configuration – Lead global deployment and configuration of NAC appliances and Identity Services platforms across data centers, ensuring consistency, reliability, and compliance.
  • Device Discovery & Profiling – Implement advanced profiling techniques to identify and classify all network‑connected devices, enforcing access only for authorized and trusted endpoints.
  • Policy Creation & Enforcement – Define and enforce granular access control policies based on device posture, driving network segmentation and strengthening the organization’s security posture.
  • Threat Detection & Response – Monitor for anomalous device behavior and orchestrate automated responses to mitigate potential threats in real time.
  • Compliance Management – Leverage platform capabilities to ensure continuous compliance with internal standards and external regulatory requirements through robust reporting and audit trails.
  • Security Ecosystem Integration – Seamlessly integrate NAC and Identity platforms with next‑gen firewalls, SIEMs, endpoint protection, and other security tools to create a unified defense strategy.
  • Customer Support & Enablement – Provide expert‑level support to internal teams, manage escalations, and deliver training to promote platform adoption and operational readiness.
  • Automation & Orchestration – Utilize modern development tools and Git Ops practices to automate deployment, configuration, and lifecycle management of security platforms.
  • Standards & Documentation – Establish architectural patterns, define operational standards, and maintain comprehensive documentation using Confluence and draw.io to ensure transparency and repeatability.
Skills
  • NAC
  • Forescout
  • Network security
  • Authentication
  • Public key infrastructure
  • Scripting
  • IAC
  • Log analysis
  • DNS
  • DHCP
  • Active directory
Top Skills Details
  • NAC
  • Forescout
  • Network security
  • Authentication
  • Public key infrastructure
  • Scripting
  • IAC
  • Log analysis
  • DNS
  • DHCP
Additional

Skills & Qualifications
  • Previous experience at a financial organization is a plus.
  • Certifications:
  • FSCA – Forescout Certified Administrator
  • FSAA – Forescout Advanced Administrator
  • FSCE – Forescout Certified Engineer
Experience Level

Expert Level

Job Type & Location

Contract position based out of Chicago, IL.

Pay and Benefits

The pay range for this position is $90.00 – $95.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms.

If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision;
Critical Illness, Accident, and Hospital; 401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available;
Life Insurance (Voluntary Life & AD&D for the employee and dependents);
Short and long‑term disability;
Health Spending Account (HSA);
Transportation benefits;
Employee Assistance Program;
Time Off/Leave (PTO, Vacation or Sick Leave).

Workplace Type

Hybrid position in Chicago, IL.

Final date to receive applications

This position is anticipated to close on Mar 9, 2026.

About TEKsystems

We’re partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong,…

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