Web Application Firewall (WAF) Support Specialist

Web Application Firewall (WAF) Support Specialist

Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the small business team where you can build, innovate, and secure your career.

Role Description :

The Web Application Firewall (WAF) Support Specialist is responsible for managing and evolving application-layer security controls using F5 Application Security Manager (ASM) to support DoD cybersecurity initiatives. The role supports F5 WAF policy tuning, site-specific request handling, and enforcement of application security controls across globally dispersed defense networks. This specialist will directly contribute to incident response efforts and coordinate with Cloud, Gateway, and Site Teams to ensure high-performing and effective web protection strategies.

Responsibilities :

• Primary responsibility will be issuing Firewall Acceptances - based on various customer requests
• Web Application Firewall Policy Development
• Develop, tune, and maintain WAF policies using F5 ASM Coordinate deployments and policy changes with cloud architects and local site engineers
• Support proactive tuning of policies based on learning mode analysis and stakeholder feedback
• Site Coordination & Access Management
• Fulfill block / unblock requests; provide technical justification for negative determinations
• Collaborate with subscriber sites to validate false positives and refine rule sets
• Support secure onboarding of new applications into protected environments
• Threat Support & Surge Response
• Participate in incident response surges and assist threat hunting efforts
• Align policy updates with adversary TTPs and emerging vulnerability trends
• Provide input to detection engineering and mitigation teams

Qualifications :

Clearance Level : Secret (upgrade to TS required)

Education : Bachelor's degree and min 6 years of overall technical experience or 10 years of overall technical experience without a degree

Certifications : DoD 8570 IAT Level II

Experience :

Preferred Qualifications :

Benefits at Sentar :

Our unique ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

Build, Innovate, Secure Your Career at Sentar.