Web Developer Security Engineer

Applied Intellect LLC • Chantilly, VA

5d • $120,000 - $135,000

About The Position

Applied Intellect is seeking a Web Developer Security Engineer to support federal contracts by playing a pivotal role in protecting mission-critical web applications, APIs, and sensitive data. The objectives are to embed robust security principles throughout the software development lifecycle (SDLC) to build security as a proactive, foundational pillar.

Requirements

• Extensive hands-on experience in secure software development, DevSecOps automation, and vulnerability remediation.
• Proficiency in logs analysis, file integrity monitoring (FIM), and managing web application firewalls (WAF) to defend against emerging threats.
• Minimum of 3 years of experience in Web Application Security, Application Security Engineering (AppSec) or secure software development life cycle (SSDLC).
• Proven developing with modern web technologies and frameworks not limited to .NET (C# MVC, WCF), HTML5, CSS3, JavaScript, REST APIs, and SQL.
• Ability to leverage AI-assisted development tools (e.g., GitHub Copilot, OpenAI API/Codex) and scripting languages (Python, JavaScript/Node.js, Java, React.js, TypeScript) to automate security monitoring and compliance audits.
• Strong understanding of Open Worldwide Application Security Project (OWASP) Top 10, secure coding standards, and proactive mitigation of common web vulnerabilities.
• Experience deploying, tuning, and maintaining Web Application Firewalls (WAFs) solutions tailored to custom-developed applications and traffic patterns.
• Strong track record in configuring and managing File Integrity Monitoring (FIM) solutions for web content directories, to detect and alert on unauthorized change.
• Familiar with security testing tools such as Wireshark, SIEM, IDS/IPS, NDR, or EDR.
• Evaluates, recommends, and implements security controls for mobile device solutions and mobile-web interface.
• Ability to perform complex risk assessments, analyze cyber threats, and provide remediation guidance for core systems and their dependencies.
• Proven ability to implement DevSecOps principles, seamlessly integrating security controls throughout the CI/CD pipeline.
• Experience developing security metrics, managing compliance reporting, and auditing systems against established security baselines.
• Collaborate effectively across multidisciplinary teams, and work independently as well as in a team.
• Experience providing Tier II support for security operations and recommending continue security enhancements for existing infrastructure.
• Bachelor’s degree (or higher) in computer science, Cybersecurity, Information Systems, Engineering, or a related field.
• Certified Secure Software Lifecyle Professional (CSSLP) OR GIAC Certified Web Application Defender (GWEB) OR EC-Council Certified Application Security Engineer (CASE).
• OffSec Web Expert (OSWE) OR Offensive Security Certified Professional (OSCP).
• Security+ OR GSEC.
• Certifications maintained for a minimum of 5 years.

Nice To Haves

• Clearance: Public Trust Tier 2 or higher preferred
• In-depth experience at Federal cybersecurity frameworks (NIST SP 800‑53, FISMA, FedRAMP) authorization process.
• Proven background in threat modeling, risk assessment, and designing resilient security architecture.
• Advanced experience implementing secure DevOps/DevSecOps practices, specifically focus on CI/CD pipeline and automating security gates.
• Knowledge of cloud security AWS and container security (Docker, Kubernetes).

Responsibilities

• Identify, analyze, and neutralize critical vulnerabilities, logic flaws, insecure dependencies, and misconfigurations.
• Drive the end-to-end vulnerability lifecycle - integrating proactive threat modeling and advanced security assessments, ensuring remediation integrity through rigorous technical validation.
• Support integration of security controls into application architectures, APIs, and supporting services, advising on secure design patterns; data protection mechanisms; and secure communication protocols to ensure applications are secure by design and resilient to evolving threats.
• Obtain, review, and analyze web server and application logs to detect anomalies and indicators of compromise.
• Implement automation scripts for threat intelligence integration to optimize alert accuracy and actively support the end-to-end response to web application security events.
• Maintain documentation of findings, remediation steps, and security controls.
• Ensure all web applications and cloud infrastructures comply with Federal cybersecurity frameworks, including NIST SP 800‑53, FISMA, and FedRAMP (as applicable).
• Participate in audits, risk assessments, and security authorization processes.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior