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Freelance Network Firewall Engineer Jobs (NOW HIRING)

CACI International, Inc.

Network Firewall Engineer

Sterling, VA · On-site

$120K - $265K/yr

  • Medical

  • Retirement

  • PTO

Network Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up ...

Secunetics, Inc

Network Firewall Engineer

Reston, VA · On-site

... Engineering, or a related field * Minimum of 2 years of network and security experience * Solid experience in Next-Generation Firewall capabilities such as URL Filtering, IPSec Tunnels, Firewall ...

Secunetics

Network Firewall Engineer

Washington, DC · On-site

... Engineering, or a related field * Minimum of 2 years of network and security experience * Solid experience in Next-Generation Firewall capabilities such as URL Filtering, IPSec Tunnels, Firewall ...

Secunetics, Inc

Network Firewall Engineer

Reston, VA · On-site

... Engineering, or a related field * Minimum of 2 years of network and security experience * Solid experience in Next-Generation Firewall capabilities such as URL Filtering, IPSec Tunnels, Firewall ...

SW Complete

Firewall Network Engineer

Annapolis, MD · On-site

Synergy is looking for Firewall Network Engineer to join our team. Job duties are as follows: * Act as a subject matter expert for the customer's next generation firewall solution. * Maintain ...

Ascension Federal Services Inc.

Firewall Engineer

Tampa, FL · Hybrid

$45 - $60.50/hr

The Firewall Engineer will be responsible for designing, implementing, and maintaining firewall ... The ideal candidate will have a strong understanding of network security principles and experience ...

DFND Security

Firewall Engineer

Chenango Forks, NY · On-site

$45.75 - $61.25/hr

The engineer will replace existing Cisco ASA and Palo Alto Networks firewalls with Fortinet FortiGate appliances, ensuring secure, reliable, and compliant network operations within critical ...

DFND Security

Firewall Engineer

Cincinnatus, NY · On-site

$47.50 - $63.50/hr

The engineer will replace existing Cisco ASA and Palo Alto Networks firewalls with Fortinet FortiGate appliances, ensuring secure, reliable, and compliant network operations within critical ...

CACI International, Inc.

Network Firewall Lead

Sterling, VA · On-site

$120K - $265K/yr

  • Medical

  • Retirement

  • PTO

Network Firewall Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to ...

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Freelance Network Firewall Engineer information

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How much do freelance network firewall engineer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for freelance network firewall engineer in the United States is $55.61, according to ZipRecruiter salary data. Most workers in this role earn between $45.67 and $66.11 per hour, depending on experience, location, and employer.

What is the difference between Freelance Network Firewall Engineer vs Network Security Analyst?

AspectFreelance Network Firewall EngineerNetwork Security Analyst
CertificationsCCNA, CISSP, CompTIA Security+CISSP, CISA, CompTIA Security+
Work EnvironmentIndependent, project-based, remote or on-siteFull-time, in-house or remote, corporate setting
Employer & IndustryClients across various industries, consulting firmsOrganizations' security teams, corporations

While both roles focus on network security, a Freelance Network Firewall Engineer specializes in designing, implementing, and managing firewalls for clients on a project basis. In contrast, a Network Security Analyst typically works within an organization to monitor, analyze, and respond to security threats regularly. The freelance role offers flexibility and diverse projects, whereas the analyst role provides ongoing security management within a company.

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Freelance Network Firewall Engineer jobs near you
Infographic showing various Freelance Network Firewall Engineer job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 75% In-person, and 25% Hybrid job distribution, with an average salary of $115,678 per year, or $55.6 per hour.

Network Firewall Engineer

CACI International Inc

Sterling, VA • On-site

Full-time

Re-posted 9 days ago

Job description

Job Summary:
CACI International Inc is seeking a skilled and detail-oriented Network Firewall Engineer to support the implementation, configuration, and maintenance of their firewall infrastructure. The role involves working closely with the network security team to ensure effective operation and security of network perimeter defenses.
Responsibilities:
• Assist in the implementation and configuration of firewall systems across various platforms
• Perform day-to-day firewall administration tasks, including rule updates, policy modifications, and access control list (ACL) management
• Monitor firewall logs and alerts, responding to, and escalating security incidents as appropriate
• Conduct regular firewall health checks and performance tuning
• Assist in troubleshooting network connectivity and security issues related to firewalls
• Help maintain firewall documentation, including configuration changes and standard operating procedures
• Participate in firewall upgrade projects and new deployments
• Assist in conducting periodic firewall rule reviews and clean-up efforts
• Support the implementation of next-generation firewall features such as IPS and application control
• Collaborate with other IT teams members to ensure proper integration of firewall systems with other network components
• Stay current with emerging security threats and firewall technologies
• Participate in on-call rotation for critical firewall and network security incidents
Qualifications:
Required:
• Bachelor's degree in a Technical field or equivalent work experience
• 10+ years of related work experience
• TS/SCI with Poly
• Exceptional organizational skills and attention to detail
• Expert-level knowledge of major firewall platforms (e.g., Palo Alto, Cisco ASA, Forcepoint)
• Strong understanding of networking protocols, OSI model, and common network architectures
• Experience with network security and software-defined networking (SDN) concepts
• Hands-on experience with network security concepts, such as VPNs, NAT, IDS/IPS, and DMZ configurations.
• Strong understanding of network protocols (TCP/IP, DNS, HTTP, etc.), network routing protocols (OSPF, EIGRP, BGP), and network architectures.
• Excellent troubleshooting, problem-solving, and analytical skills
• Strong communication skills, both written and verbal
Preferred:
• Industry certifications such as CISSP, CISM, CCNP Security, Palo Alto PCNSE, or equivalent are highly desired.
• Proficiency in scripting languages (e.g., Python, Bash) for automation and management tasks
Company:
At CACI International Inc (NYSE: CACI), our 27,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security. Founded in 1962, the company is headquartered in Arlington, USA, with a team of 10001+ employees. The company is currently Late Stage.

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