Hybrid Firewall Administrator at Global Data Consultants

GDC IT Solutions is currently seeking a Firewall Administrator for a hybrid contract opportunity with the Commonwealth of Pennsylvania. This position requires candidates to reside in Pennsylvania and work on-site in Harrisburg two days per week, with three days of remote work allowed. The schedule may be adjusted based on operational needs and managerial direction.

Position Overview

As a Firewall Administrator, you will be responsible for designing, implementing, and optimizing secure, scalable network architectures across enterprise environments. This position plays a critical role in aligning network infrastructure with business objectives and security requirements. The ideal candidate will have in-depth knowledge of network security technologies, vendor-specific platforms, and the ability to collaborate across engineering, operations, and cybersecurity teams to deliver resilient and high-performing network solutions.

• Design and architect secure network infrastructures that align with organizational goals and security standards.

• Evaluate, deploy, and manage firewall technologies, intrusion detection/prevention systems (IDS/IPS), and secure communication protocols.

• Conduct network risk assessments, vulnerability analyses, and threat modeling to inform architectural decisions.

• Collaborate with engineering, operations, and security teams to integrate network and security components effectively.

• Lead incident response architecture planning and support post-incident reviews for continuous improvement.

• Provide expert-level guidance on firewall technologies, network protocols, and industry best practices.

• Develop and maintain technical documentation, including architecture diagrams, standards, and operational procedures.

• At least 5 years of experience with network fundamentals including TCP/IP and subnetting.

• 5+ years of experience with firewall technologies and architectures (e.g., stateful inspection, next-generation firewalls, Layer 7 filtering).

• Strong proficiency in security protocols such as IPSec and SSL/TLS.

• Hands-on experience with network monitoring and analysis tools including Wireshark and other network analyzers.

• Proven experience working with IDS/IPS systems.

• Proficient with command line interfaces and scripting.

• Familiarity with log analysis and SIEM tools.

• Must reside in the state of Pennsylvania.

Preferred Experience

• Strong understanding of cybersecurity principles and compliance frameworks.

• Experience with threat intelligence, attack surface reduction, and mitigation strategies.

• Background in risk assessment and vulnerability management processes.

• Experience contributing to incident response planning and execution.

• Deep expertise with the following vendor technologies:

  • Palo Alto Networks

  • Check Point

  • VMware NSX-T

  • Zscaler

What We Do:

Working for GDC means you will be at the forefront of the technological world. We are a full-service staffing and Information Technology service company striving to make a difference in our communities by finding, developing, and deploying solutions.

Why Work for GDC?

• Cutting Edge Technology and Innovation

• Career Growth Opportunities

• Employee-Centric Environment

• Comprehensive Benefits Package

• Holiday and Vacation

Equal Opportunity Workplace:

GDC is an equal opportunity employer and welcomes applicants from all diverse backgrounds to apply. Our goal as an organization is to empower our teams to achieve their personal best and foster their professional growth regardless of race, ancestry, religion, sex, gender, national origin, sexual orientation, age, citizenship, marital status, physical ability or disability, or veteran status.

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and complete the required employment eligibility verification forms upon hire.

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