Network Security Engineer

Position: Senior Network Security Engineer (2 Openings)

Overview

Our client is seeking 2 Senior Network Security Engineers to join their Network Security Engineering team. This team is responsible for securing and enhancing enterprise network environments across both on-prem and cloud platforms.
This is an engineering-focused role with hands-on responsibility, supporting core network security technologies including firewalls, NAC, micro-segmentation, and DDoS mitigation. The ideal candidate will have a strong network engineering foundation with exposure to security principles, and the ability to support both operational and project-based work.

Top Skills

• Network Security Engineering
• Firewall Management (Fortinet preferred)
• Cisco / Arista Networking
• Azure Cloud Security

Key Responsibilities

• Design, implement, and support enterprise network security solutions
• Manage and optimize:
  • Firewalls and firewall policies
  • Network Access Control (NAC)
  • Micro-segmentation solutions
  • DDoS mitigation tools
  • DNS security posture
• Support network security platforms including Cisco, Arista, Fortinet, and Aruba ClearPass
• Assist with cloud security initiatives in Azure (Google Cloud Platform exposure is a plus)
• Partner with cyber operations and infrastructure teams to maintain secure environments
• Support incident response, troubleshooting, and network traffic analysis
• Contribute to automation efforts using Python, Ansible, or Terraform
• Participate in on-call rotation and occasional after-hours support

Qualifications

• Experience with enterprise firewall technologies (Fortinet strongly preferred)
• Strong networking background (routing, switching, protocols)
• Exposure to micro-segmentation and network security controls
• Experience with Azure cloud environments
• Familiarity with automation tools (Python, Ansible, Terraform) is a plus
• Experience working with or alongside cybersecurity teams

Nice to Have

• DDoS mitigation experience
• DNS security experience
• DevOps or infrastructure automation exposure

Experience Level

• Mid to Senior Level (Hands-on engineering experience required)

Job Type & Location
This is a Contract to Hire position based out of Pittsburgh, PA.
Pay and Benefits
The pay range for this position is $40.00 - $45.00/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 Pittsburgh,PA.
Application Deadline
This position is anticipated to close on Jun 18, 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.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.