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Job Details

Web Application Firewall Security Engineer


Applications Engineer


Saint Louis, Missouri, United States


Job Description:

Looking for an opportunity to make an impact?

Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. 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. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

Leidos Defense Group is looking for a Web Application Firewall Security Engineer to work on the United States Transportation Command (USTRANSCOM) Cyberspaces Operations Forces’ (COF) program located at Scott Air Force Base, Illinois. The COF mission is to provide Department of Defense Information Network (DODIN) Operations, defensive cyber operations-internal defensive measures, and overall cyberspace operations in support of USTRANSCOM network systems and missions. The candidate will work closely with network service providers to install, configure, and service network-enabled devices and associated software. Other related infrastructure support activities are focused on system design sustainment support for the Government-furnished cybersecurity defense tool suites. This includes monitoring, installation, modification, testing and servicing of network devices as coordinated with service providers along with coordinating scheduled outages with service providers and customers.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Group provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!

Responsibilities Include:

  • Provide design recommendations to the Government related to change requests for cybersecurity defense configurations related to web application firewall (WAF).

  • Perform analysis on user and program related issues associated with cybersecurity defense infrastructure tools and provide recommendations to the Government for resolution specific to firewall, proxy services, and web application firewall capabilities.

  • Modify cybersecurity defense infrastructure at the direction of the Government to include firewall rule modifications, proxy server exceptions, WAF rules

  • Perform quarterly reviews of implemented cybersecurity defense filtering rules, exceptions, and log availability and content; then provide recommendations to the Government for enhancements

  • Implement approved DoD whitelist/Boundary Cloud Access Point (BCAP) exceptions for government cybersecurity defense tools to include registration and validation of entries in the whitelist for connections required to support government cybersecurity defense too suite operations.

  • Maintain WAF compliance with government requirements

  • Develop and maintain WAF rule sets to ensure secure USTRANSCOM Command and Control communications and minimize impact to host applications

  • Provide compliance data as needed to Government in response to orders and directives along with develop and update POA&Ms

  • Ensure Business Continuity Management (BCM) plans are in place, executable, and followed for cybersecurity defense operations

  • Request ASIs

Basic Qualifications:

  • BS degree with 7+ years of prior relevant experience, a Masters with 5+ years, or 8+ years of experience in lieu of degree

  • Active Secret clearance

  • DoD 8570 Compliant to include IAT-III, CSSP-IR and CSSP-IS certifications; Waivers will be considered for candidates missing the Operating System certification required to be 8570 compliant. The waiver will give candidates 3-6 months to obtain the needed certification.

Preferred Qualifications:

  • N/A

Clearance Required:

  • Requires an active Secret security clearance


External Referral Eligible

Pay Range:Pay Range $65,000.00 - $100,000.00 - $135,000.00

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.