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Web Application Firewall Waf Engineer Jobs in Reston, VA

Entarian

TIC Systems Engineer

Arlington, VA · On-site

Design, deploy, and manage Cloudflare services, including Web Application Firewall (WAF), DDoS ... engineering and technology solutions. Founded on a legacy of excellence dating back to 1993 ...

Entarian

TIC Systems Engineer

Arlington, VA · On-site

Design, deploy, and manage Cloudflare services, including Web Application Firewall (WAF), DDoS ... engineering and technology solutions. Founded on a legacy of excellence dating back to 1993 ...

Entarian

TIC Systems Engineer

Arlington, VA · On-site

Design, deploy, and manage Cloudflare services, including Web Application Firewall (WAF), DDoS ... engineering and technology solutions. Founded on a legacy of excellence dating back to 1993 ...

Entarian

TIC Systems Engineer

Arlington, VA · On-site

Design, deploy, and manage Cloudflare services, including Web Application Firewall (WAF), DDoS ... engineering and technology solutions. Founded on a legacy of excellence dating back to 1993 ...

Jobtailor

Senior Software Engineer

Bethesda, MD · On-site

$110 - $140/hr

Manage F5 load balancing and Web Application Firewall environments. * Lead DevOps automation and ... Experience administering F5 Silverline WAF and BIG‑IP. * 5+ years supporting FISMA security and ...

New

ECS Tech Inc

Cloud Security Engineer

Washington, DC · On-site

$120K - $130K/yr

Everforth ECS is seeking a Cloud Security Engineer to work in our Washington, DC office / remote ... and web application firewall (WAF) management * Experience with cloud IAM frameworks, role-based ...

ECS

Cloud Security Engineer

Washington, DC · On-site

$120K - $130K/yr

Everforth ECS is seeking a Cloud Security Engineer to work in our Washington, DC office / remote ... and web application firewall (WAF) management * Experience with cloud IAM frameworks, role-based ...

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All JobsWeb Application Firewall Waf Engineer JobsWeb Application Firewall Waf Engineer Jobs in Reston, VA

Web Application Firewall Waf Engineer information

See Reston, VA salary details

$31

$69

$100

How much do web application firewall waf engineer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for web application firewall waf engineer in Reston, VA is $69.08, according to ZipRecruiter salary data. Most workers in this role earn between $58.75 and $78.51 per hour, depending on experience, location, and employer.

What are some common challenges faced by Web Application Firewall (WAF) engineers, and how can they be addressed?

WAF Engineers often encounter challenges such as tuning firewall rules to minimize false positives while ensuring robust security, keeping up with rapidly evolving web application threats, and balancing security needs with application performance. Successfully addressing these issues requires continuous monitoring, regular updates to security policies, and close collaboration with development and DevOps teams to understand application changes. Adopting automation tools and participating in ongoing security training can also help WAF Engineers stay effective and proactive against new vulnerabilities.

What is a Web Application Firewall (WAF) engineer?

A Web Application Firewall (WAF) Engineer is a cybersecurity professional responsible for configuring, managing, and maintaining web application firewalls to protect web applications from threats such as SQL injection, cross-site scripting (XSS), and other common web exploits. They work to ensure that web applications are secure by designing WAF policies, monitoring traffic, and responding to security incidents. WAF Engineers also collaborate with development and operations teams to identify vulnerabilities and implement effective protection strategies. Their role is critical in safeguarding sensitive data and maintaining the integrity and availability of web-based services.

What are the key skills and qualifications needed to thrive as a Web Application Firewall (WAF) engineer?

To thrive as a Web Application Firewall (WAF) Engineer, you need a solid understanding of web security concepts, HTTP/HTTPS protocols, and experience with firewall configuration, often supported by a degree in computer science or a related field. Familiarity with WAF platforms (such as AWS WAF, F5, or Imperva), scripting languages, and certifications like CEH or CISSP are typically required. Attention to detail, strong problem-solving skills, and effective communication help you proactively identify threats and work closely with development and security teams. These skills are crucial to protect web applications against evolving cyber threats and ensure organizational security.
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Web Application Firewall Waf Engineer jobs near you
Infographic showing various Web Application Firewall Waf Engineer job openings in Reston, VA as of August 2026, with employment types broken down into 76% Full Time, 18% Part Time, and 6% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $143,690 per year, or $69.1 per hour.

TIC Systems Engineer

Entarian

Arlington, VA • On-site

Full-time

Re-posted 12 days ago

Job description

Overview/ Job Responsibilities
We are seeking an experienced Trusted Internet Connections (TIC) System Engineer to design, implement, and maintain secure network perimeter defenses for our customer's network infrastructure. This role requires experience supporting TIC 3.0 and Zero Trust principles and focuses on protecting network boundaries against unauthorized access, data exfiltration, and external threats through effective configuration, monitoring, and management of boundary security systems and protocols.
Key Responsibilities:
  • Design, deploy, and manage boundary protection solutions including firewalls, web proxies, intrusion prevention systems (IPS), network access control (NAC), and VPN gateways.
  • Support the implementation and enforcement of Trusted Internet Connections (TIC) 3.0 security capabilities.
  • Design, deploy, and manage Cloudflare services, including Web Application Firewall (WAF), DDoS Protection, CDN, and DNS.
  • Design, configure, and maintain Palo Alto firewalls and configure and optimize Panorama for centralized firewall management and policy deployment.
  • Ensure secure connectivity and segmentation between internal networks, external partners, and cloud environments.
  • Maintain boundary protection documentation including diagrams and system configurations.
  • Ensure secure and efficient operation of systems that support boundary protection, threat detection, and telemetry collection.
  • Ensure the smooth operation of F5 load balancing solutions to support the enterprise network, multi-cloud, and mobility solutions.
  • Configure, and manage F5 load balancing solutions, including Local Traffic Manager (LTM) and Global Traffic Manager (GTM), to support enterprise network, multi-cloud, and mobility solutions.
  • Develop load balancing policies, monitor traffic flows, and fine-tune load balancing algorithms to improve application performance and availability.
  • Migrate existing stakeholder connections to new TIC 3.0 compliant environments.
  • Troubleshoot and resolve issues related to load balancing, including analyzing traffic patterns, identifying bottlenecks, and working with vendors to resolve complex issues.
  • Work with IT and business stakeholders to understand application requirements and develop load balancing solutions that meet those requirements.
  • Develop and implement balancing security policies and procedures to prevent unauthorized access to the network and ensure compliance with regulatory requirements.
  • Design, plan, and establish cloud networks using various cloud providers like AWS, Azure, and Google Cloud.
  • Design network architectures considering high availability, fault tolerance, and scalability.
  • Configure Virtual Private Cloud (VPC), subnets, transit gateways, VPN connections, and other cloud network components.
  • Analyze cloud network traffic patterns and optimize for performance.
  • Collaborate with other teams to ensure applications are using network resources efficiently.
  • Implement Content Delivery Networks (CDNs), load balancers, and other strategies to optimize user access.
  • Install, maintain, and evaluate network systems and communications and troubleshoots the most complex network issues.
  • Conduct various researches and analysis regarding new technology, network traffic, potential security risk, etc.
  • Lead the network architecture design and optimization. Must have extensive knowledge of Internet, computer, routers, switches, firewall, etc.
  • Work on advanced, complex technical projects or business issues requiring state of the art technical or industry knowledge.
  • May provide a leadership role for the work group through knowledge in the area of specialization.

Minimum Qualifications
  • Bachelor's degree in computer science, Information Technology, or related field or equivelant experience.
  • Minimum of 5 years of experience in designing, deploying, and managing F5 load balancing solutions in a large-scale IT environment.
  • Direct experience implementing and supporting Trusted Internet Connections (TIC) 3.0 and Zero Trust Architecture.
  • Technical expertise in F5 load balancing technologies, including LTM, GTM, and BIG-IQ.
  • Knowledge of F5 security technologies, including Advanced Web Application Firewall (ASM) and Access Policy Manager (APM).
  • Proficient in network technologies, including routing protocols, switching, firewalls, and VPN technologies.
  • Experience in designing and implementing load balancing solutions for multi-cloud and mobile environments.
  • Good understanding of major cloud computing platforms such as AWS, Azure, and Google Cloud.
  • Strong analytical and problem-solving skills, self-motivated, and proactive.
  • Excellent verbal and written communication skills, with the ability to interact effectively with technical and non-technical stakeholders.
  • Must be clearable for a US Government Clearance

*Must be eligible to obtain a Department of Homeland Security EOD clearance ( Requirements 1. US Citizenship, 2. Favorable Background Investigation)
Desired Qualifications
Clearance Preference:
  • DHS EOD - 1st priority
  • Any DHS badge + DoD Top Secret or Secret - 2nd choice
  • DoD Secret or Top Secret + willingness to get EOD clearance - 3rd choice (it can take 45 days to obtain EOD clearance - work can only begin once the clearance is fully adjudicated)

About Us
Formed through the strategic union of Sev1Tech and ERT, Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993, Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions, Entarian delivers secure, mission-aligned digital solutions that drive national resilience and operational effectiveness. We don't just support modernization; we define it.
Join the Mission and Start your Career Journey: Apply Directly via our Careers Portal Connect, Referrals & Inquiries? Email the team: careers@entarian.com
Entarian is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

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