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Senior Network Security Engineer - WAAP (Web Application & API Protection)

Centillion Infotech LLC

Senior Network Security Engineer WAAP (Web Application & API Protection)

Key Responsibilities

  • Translate business and application security requirements into enterprise-grade WAAP and network security architectures .
  • Develop and support solutions aligned with HPE's application security and defense-in-depth strategy .
  • Lead architecture, design, and deployment of Web Application and API Protection (WAAP) solutions across global environments.
  • Develop and drive multi-year roadmap for application-layer security , including WAF, API security, bot protection, and DDoS mitigation.

WAAP Responsibilities (Primary Focus)

  • Architect, implement, and manage WAAP platforms , including:
    • Web Application Firewall (WAF)
    • API Security (discovery, protection, runtime analysis)
    • Bot Management
    • DDoS Protection (L3 L7)
  • Design and deploy WAAP solutions using platforms such as:
    • Thales Imperva
    • Cloud-native WAFs (Azure, AWS WAF) or equivalent
  • Develop and maintain custom WAF rules, security policies, and signatures to protect critical applications.
  • Perform false positive tuning, policy optimization, and rule lifecycle management .
  • Enable API discovery, schema enforcement, and protection against OWASP API Top 10 threats .
  • Integrate WAAP with:
    • SIEM/SOAR platforms
    • Identity providers
    • Threat intelligence feeds
  • Collaborate with application teams to:
    • Onboard applications into WAAP platforms
    • Perform security assessments and risk reviews
    • Ensure minimal performance impact while enforcing strong security controls
  • Implement protection against OWASP Top 10 vulnerabilities (SQLi, XSS, RCE, etc.).
  • Lead WAAP incident response and root cause analysis for application-layer attacks.
  • Define and track application security metrics and KPIs (attack trends, mitigation effectiveness).
  • Ensure compliance with security frameworks (CIS, NIST, Zero Trust, data protection standards).

Core Network Security Responsibilities

  • Architect and maintain secure network infrastructure across data center, campus, and cloud environments.
  • Conduct security design reviews ensuring compliance with enterprise security standards.
  • Provide risk reporting, control effectiveness, and security posture visibility .
  • Support internal and external security audits .
  • Manage and optimize Security Information and Event Management (SIEM) systems.
  • Develop and maintain network security policies and procedures.
  • Collaborate with cybersecurity, infrastructure, and application teams globally.

Technical Qualifications

  • 10+ years of experience in network security architecture, engineering, and operations .

WAAP & Application Security Expertise (Mandatory)

  • Strong experience with WAAP platforms (Akamai preferred; Cloud WAF or equivalent accepted).
  • Deep understanding of:
    • OWASP Top 10 (Web & API)
    • Application-layer threats and mitigation techniques
  • Hands-on experience in:
    • WAF policy creation and tuning
    • API security controls (schema validation, authentication enforcement)
    • Bot mitigation strategies
    • DDoS protection architecture (L3 L7)
  • Experience in:
    • Traffic analysis ( TLS inspection)
    • Behavioral-based threat detection
  • Strong understanding of:
    • Secure application architectures (monolith, microservices, APIs)
    • DevSecOps integration and CI/CD security controls (nice to have)

Network Security & Infrastructure

  • Strong hands-on experience in:
    • Firewalls (Fortinet, Palo Alto, Juniper)
    • IDS/IPS, VPN, SIEM
  • Expertise in:
    • Firewall policy design, NAT, routing, inspection, and threat prevention
  • Experience in designing secure:
    • Hybrid (on-prem + cloud + internet-facing) environments
  • Experience in:
    • Proxy architectures (forward/reverse)
    • Secure internet gateways

Networking & Protocol Expertise

  • Strong knowledge of:
    • TCP/IP, DNS, TLS/SSL
    • Routing protocols (BGP, OSPF, MPLS)
  • Experience with:
    • QoS, NetFlow, ACLs, NAT, IP traffic management
    • Network monitoring and analysis tools

Cloud & Integration

  • Experience securing applications in:
    • AWS, Azure, GCP
  • Familiarity with:
    • Cloud-native WAF and API security tools
  • Integration experience with:
    • SIEM, EDR/XDR, IAM platforms

Data Center & Enterprise Networking

  • Experience managing enterprise environments with:
    • Aruba, Arista, Juniper switches
    • Firewalls, load balancers, WAN optimization tools
  • Understanding of:
    • High availability and performance optimization for application traffic

Operations & Lifecycle Management

  • Lead onboarding and lifecycle management of applications into WAAP platforms.
  • Perform security tuning, upgrades, and optimization activities.
  • Support incident response and threat mitigation at application layer.
  • Work within ITIL frameworks (incident, problem, change management).

Education & Certifications

  • Bachelor's Degree in Computer Science, IT, or related field (or equivalent experience).
  • 10+ years of experience in enterprise network security and application security.
  • Preferred certifications:
    • CCNP / CCIE / JNCIE
    • Security certifications (CISSP, CISM)
    • Vendor certifications (Akamai, AWS Security, Azure Security)

Key Differentiators (What This JD Targets)

  • Positions WAAP as a primary security control layer , not an add-on
  • Strong alignment with:
    • Application security + Network security convergence
    • Defense-in-depth strategy
  • Emphasizes:
    • API security (modern requirement)
    • Bot/DDoS protection (critical for internet-facing apps)
  • Keeps strong foundation in:
    • Firewalls, SIEM, network architecture
Vacancy posted 1 day ago
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