Network Security Engineer

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. Tasks & Responsibilities: As the product owner for Network Access Control (NAC) and Identity Services platforms, the Principal Network Security Engineer will lead the strategic direction, architecture, and operational excellence of these technologies. This role demands a proactive security mindset and a deep sense of ownership to ensure the platforms are resilient, scalable, and aligned with enterprise security goals. 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 GitOps 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: The following certifications are strongly preferred FSCA - Forescout Certified Administrator FSAA - Forescout Advanced Administrator FSCE - Forescout Certified Engineer

Experience Level

Expert Level
Job Type & Location
This is a 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
This is a hybrid position in Chicago,IL.
Application Deadline
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, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.