Application Security / Web Security Consultnat

Job Title: Senior Cybersecurity Consultant - Application Security / Web Security

Location: Houston, TX (Onsite)

Contract

Key Responsibilities:

• Lead security assessments and vulnerability management across the full portfolio of ~90 .NET-based web applications (customer-facing and internal)
• Design and implement Web Application Firewall (WAF) policies and DDoS mitigation for customer-facing platforms
• Perform application security reviews of .NET/full-stack codebases; embed SAST/DAST tooling into CI/CD pipelines
• Drive secure Software Development Lifecycle (SDLC) and DevSecOps practices in partnership with .NET engineering teams
• Monitor, detect, and respond to cyber threats targeting public-facing infrastructure
• Conduct penetration testing and coordinate remediation across both customer-facing and internal applications, prioritized by risk
• Ensure compliance with NERC CIP and other utility-sector regulatory requirements, including access management and incident response obligations
• Evaluate and harden cloud infrastructure security (AWS/Azure) supporting the application portfolio
• Apply Zero Trust principles across internal and customer-facing environments
• Partner with IT, application, and infrastructure teams to embed security best practices
• Prepare security reports and risk assessments for leadership

Required Skills & Experience:

• 8+ years of experience in cybersecurity, with a strong focus on application and web security
• Hands-on application security experience with .NET/full-stack environments (secure coding review, SAST/DAST integration)
• Strong hands-on experience with WAF, DDoS mitigation, and vulnerability management tools
• Solid understanding of secure SDLC and DevSecOps practices
• Experience with cloud security (AWS and/or Azure)
• Working knowledge of NERC CIP or other energy/utility sector compliance frameworks
• Scripting ability (Python, PowerShell, or Bash) for automation of security tasks
• Relevant certifications preferred: CISSP, CEH, OSCP, or equivalent
• Strong communication skills to work with both technical teams and leadership

Preferred Qualifications:

• Prior experience in the energy/utility sector, particularly with OT/IT convergence awareness
• Experience securing high-traffic, customer-facing digital platforms alongside internal business applications
• Familiarity with SIEM tools and incident response processes
• Zero Trust architecture implementation experience