Sr. Network Security Engineer Level 3

Description
Must sit near Salisbury, NC or downtown Chicago. If to be hired full time, the engineer will have to go onsite 3 days a week. Contractors can sit remote but they want people close enough to come in.
TEKsystems is seeking a skilled and proactive Network Security Engineer to join our customers Network Security team. This role is responsible for designing, implementing, and maintaining secure network infrastructure with a strong focus on Palo Alto firewalls, Zscaler cloud security, and Aruba Clear Pass for network access control. The ideal candidate will have a deep understanding of network security principles and hands-on experience with enterprise-grade security tools.

This organization is going through several major initiatives including Data Center Migrations, Upgrades, refreshes all related to these technologies. They are also embarking on their journey with Zero Trust and this person will have the chance to help impact.

Key Responsibilities:

Design, deploy, and manage Palo Alto Networks firewalls, including policy creation, threat prevention, and traffic analysis.
Administer and optimize Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments.
Configure and maintain Aruba Clear Pass for network access control, authentication, and endpoint compliance.
Monitor network traffic and security alerts to identify and respond to threats in real-time.
Collaborate with IT and security teams to enforce security policies and ensure compliance with industry standards.
Conduct regular vulnerability assessments and recommend mitigation strategies.
Maintain documentation for network security architecture, configurations, and procedures.
Participate in incident response and root cause analysis for network-related security events.

Required Qualifications:

Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent experience).
5+ years of experience in network security engineering roles.
Hands-on experience with:
Palo Alto Networks firewalls and Panorama
Zscaler cloud security solutions (ZIA/ZPA)
Aruba Clear Pass Policy Manager and Guest Access
Strong understanding of TCP/IP, routing, switching, VPNs, and network protocols.
Familiarity with security frameworks such as NIST, ISO 27001, or CIS Controls.
Excellent troubleshooting and analytical skills.

Preferred Qualifications:

Relevant certifications such as:
PCNSE (Palo Alto Networks Certified Network Security Engineer)
Zscaler Certified Professional
Aruba Certified Clear Pass Professional (ACCP)

Experience with SIEM tools, IDS/IPS, and endpoint protection platforms.
Knowledge of scripting or automation (Python, Power Shell, etc.) is a plus.
Skills
Security, Firewall, Paloalto, Network security, Network engineering, Zscaler
Experience Level
Expert Level
Job Type & Location
This is a Contract position based out of Salisbury, NC.
Pay and Benefits
The pay range for this position is $55.00 - $75.00/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 Salisbury,NC.
Final date to receive applications
This position is anticipated to close on Aug 7, 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.

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