Senior Firewall Engineer

Location: Fully Remote (supporting Eastern Standard Time Zone)

Contract: 6 Months (Temp-to-Direct Hire)

Schedule: 9/80 schedule | Minimal travel required

Compensation: $73.96/hour + optional benefits

Position Overview

Our Defense client is seeking a Senior Firewall Engineer to join its Cybersecurity Engineering Team. This role is responsible for designing, implementing, and managing advanced network security solutions across a complex global enterprise environment.

You will collaborate with cross-functional teams, support enterprise security operations, and play a key role in strengthening and continuously improving the organization’s cybersecurity posture.

Key Responsibilities

• Design, implement, manage, and maintain enterprise network security systems, including firewalls and web proxy platforms
• Develop and maintain technical documentation (installation guides, configuration guides, network diagrams, user documentation)
• Research, prototype, evaluate, and deploy emerging security technologies
• Provide backup support for additional enterprise security tools and platforms
• Partner with the 24/7 Global Security Operations Center (GSOC) to support operational needs
• Respond to user requests and security incidents via phone, email, or incident management systems
• Analyze network traffic patterns and security requirements for risk assessments and capacity planning
• Develop technical recommendations to address evolving threats and future scalability

Required Skills & Qualifications

Networking & Security Expertise

• Strong understanding of DNS, TCP/IP, and common transport protocols
• Solid foundation in network architecture and core security principles
• Proven experience developing, implementing, and managing firewall policies

Firewall & Network Technologies

Hands-on experience with enterprise firewall platforms, including:

• Palo Alto Networks
• Cisco ASA
• Check Point
• Juniper SRX

Configuration & Deployment

Experience configuring and deploying firewalls, including:

• Network configuration (VLANs, subnets)
• Routing configuration (static routing, OSPF)
• Security rules and access control policies

Preferred Qualifications

Industry-recognized certifications such as:

• CompTIA Security+
• CompTIA Network+
• Palo Alto Networks certifications
• Cisco security certifications

Experience Requirements

• High School Diploma: 14+ years of relevant experience
• Associate Degree: 10+ years of relevant experience
• Bachelor’s Degree: 8+ years of relevant experience
• Master’s Degree: 6+ years of relevant experience

Equivalent combinations of education and experience will be considered.

Education Requirements

High School Diploma or higher required.

EOE (including Disability/Veterans)