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Web Application Firewall Waf Engineer Jobs in Reston, VA

Leidos

Systems Engineer Expert

Chantilly, VA · On-site

$131K - $237K/yr

This position is for a Systems Engineer supporting two Cloud-based applications, and their ... Solid understanding of Web Application Firewall (WAF) configuration and management * Experience ...

RIVIDIUM

Web Developer Security Engineer

Washington, DC · On-site

$145K - $175K/yr

The successful candidate will serve as a senior technical contributor responsible for web application and api security engineering, threat modeling, vulnerability remediation, owasp top 10, waf/fim ...

krg technology inc

Network Security

Herndon, VA · On-site

$107K - $147K/yr

Web Application Firewall such as Barracuda. Good hands on experience in configuring firewall policies, VPN access, Intrusion Prevention system (IPS), Intrusion detection system (IDS), Web application ...

Rividium

Web Developer Security Engineer

Washington, DC · On-site

$145 - $175/hr

The successful candidate will serve as a senior technical contributor responsible for web application and api security engineering, threat modeling, vulnerability remediation, owasp top 10, waf/fim ...

Infojini Inc

Application Security

Bethesda, MD

$63 - $84/hr

... application developers for applying Security Software Development Life Cycle Collaborate with ... web application security issues, such as those outlined in OWASP Top 10 Strong knowledge of ...

Warnerbros

Sr. WAF Security Engineer

Silver Spring, MD · On-site

$118K - $162K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Develop and fine-tune custom firewall rules, bot mitigation controls, and DDoS mitigation security ... Research and stay current on the latest attack vectors, vulnerabilities, and exploits affecting web ...

Ardent

Web Developer Security Engineer

Washington, DC · On-site +1

  • Medical

  • PTO

... Security Engineer to support the security of mission-critical web applications, APIs, and ... Experience deploying, configuring, and maintaining Web Application Firewalls (WAFs). * Experience ...

Spry Methods

Application Security Engineer

Washington, DC · On-site

$155K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Application Security Engineer protects mission-critical web applications, application ... web application firewalls (WAFs), file integrity monitoring, and security testing tools. * Ability ...

DMI

Web Application Developer

Washington, DC · On-site

  • Medical

  • Life

  • Retirement

A web Application developer who can assist with the development of front-end web applications that support the business processes in cloud environments (Azure) and the MS Power Platform Suite. Duties ...

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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 15, 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.

What are popular job titles related to Web Application Firewall Waf Engineer jobs in Reston, VA?

For Web Application Firewall Waf Engineer jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Web Application Firewall Waf Engineer jobs in Reston, VA look for?

The top searched job categories for Web Application Firewall Waf Engineer jobs in Reston, VA are:

What cities near Reston, VA are hiring for Web Application Firewall Waf Engineer jobs?

Cities near Reston, VA with the most Web Application Firewall Waf Engineer job openings:

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.

Systems Engineer Expert

Leidos

Chantilly, VA • On-site

$131K - $237K/yr

Full-time

Re-posted 5 days ago

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

79th of 492 rated business services

Job description

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Enterprise PKI System as well as IdAM IICAM, Authentication, Authorization, Attributes and Digital Policy Management. This position is for a Systems Engineer supporting two Cloud-based applications, and their associated cloud infrastructures located on a secure network. The Systems Engineer will work with a large team of developers, software engineers, cybersecurity engineers, database administrators, and system architects.
The systems engineer will be required to carry a duty phone on a rotational basis (once they have one year of experience on the team) and may need to come in to address system issues that arise. Core business hours are typically from 9 AM - 3 PM, five days a week.
*** Applicants for this position are expected to have significant hands-on systems engineering experience with specifically in creating, prioritizing, analyzing, documenting, validating, and managing project requirements. ***
Primary Responsibilities
  • Ensure designs are compatible with target architecture and consistent requirements allocated to segments
  • Integrate systems and services for firewall and network components
  • Working with the team's security engineer to address and mitigate security findings stemming from system security scans
  • Linux OS configuration, patching, and maintenance
  • Identify and suggest risk mitigation techniques
  • Integrate systems and services

Required Qualifications:
  • Active TS/SCI with Polygraph
  • Bachelor of Science (BS) degree and 12+ years of demonstrable experience. Additional experience in lieu of degree
  • Strong, hands-on experience with Linux (CLI)
  • Experience with scripting and programming languages like BASH and Python
  • Experience in working on teams utilizing Agile workflows and processes
  • Hands on experience with scripting

Desired Qualifications:
  • Experience working with CloudFormation / Puppet / Groovy, or other configuration and automation tools
  • Network engineering troubleshooting between Cloud environments and non-Cloud environments
  • Experience working with Infrastructure as Code (IaC) solutions such as Ansible / Terraform, or other configuration and automation tools
  • Solid understanding of Web Application Firewall (WAF) configuration and management
  • Experience with networking (e.g., ports, routing tables, subnets, VPNs, firewalls, routers, etc.) to include design, integration and troubleshooting issues
  • Experience in working in a cloud-based environment (AWS)
  • Experience with the installation, configuration of AIDE and other configuration management alerting capabilities
  • Experience with maintaining COTS products (e.g., Oracle Enterprise Manager (OEM), Nexus, Jenkins)

FIP
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
August 11, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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