Firewall Administrator - Dauphin County, PA/Hybrid

Company: STI
Location: Dauphin
Posted on: April 2, 2026

Job Description:

Firewall Administrator Dauphin County, PA/Hybrid 9 Months Contractor must live in PA Hybrid2 days in the office, 3 days telework per week, may be adjusted according to the manager's direction and operational needs This role will be responsible for designing and optimizing secure, scalable, and resilient network solutions across enterprise environments. The ideal candidate will possess a strong technical foundation, vendor-specific knowledge, and the ability to collaborate across cross-functional teams to drive strategic initiatives. Key Responsibilities: Design and architect secure network infrastructures aligned with business and security requirements. Evaluate and implement firewall technologies, intrusion detection/prevention systems, and secure communication protocols. Conduct risk assessments, vulnerability analyses, and threat modeling to inform architectural decisions. Collaborate with engineering, operations, and security teams to ensure seamless integration of network and security solutions. Lead incident response architecture and contribute to post-incident reviews and improvements. Provide technical leadership and guidance on vendor-specific technologies and best practices. Document architecture designs, standards, and procedures for internal and external stakeholders. Required Technical Skills: Strong understanding of network fundamentals (TCP/IP, subnetting). Expertise in firewall technologies (stateful inspection, next-gen firewalls, Layer 7 filtering). Proficiency in security protocols (IPSec, SSL/TLS). Experience with network monitoring tools (Wireshark, network analyzers). Hands-on knowledge of IDS/IPS systems. Proficiency with command line interfaces and scripting. Familiarity with log analysis and SIEM tools. Security Knowledge: Solid grasp of cybersecurity principles and frameworks. Understanding of threat intelligence, attack vectors, and mitigation strategies. Experience in risk assessment and vulnerability management. Knowledge of incident response procedures and lifecycle. Vendor-Specific Expertise: Palo Alto Networks Check Point VMware NSX-T Zscaler

Keywords: STI, Lower Merion , Firewall Administrator - Dauphin County, PA/Hybrid, IT / Software / Systems , Dauphin, Pennsylvania