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
- ...Senior Network Security Engineer Key Responsibilities Translate high-level business... ..., integrating identity, application, and network-based policy enforcement... ...Design and implementation of Web Application and API Protection (WAAP) solutions. Strong...ApplicationSeniorWebRemote work
$105.4k - $207.8k
...Summary Zscaler Network Security Engineer / Senior Consultant, Strategy... ..., advanced threat protection, data loss... ...branch, cloud, and application connector architectures... ...environments, including Amazon Web Services (AWS),... ...via log streaming, API connectors, or syslog...ApplicationSeniorWebWork experience placementLocal area- ...optimize performance Conduct security checks, recovery... ...an experienced Senior SailPoint Developer to... ...directories, databases, applications, web services, ticketing platforms... ...Reimplemented through APIs, connectors,... ...conditions; status as a protected veteran or spouse/family...ApplicationSeniorWebPermanent employmentFull timeTemporary workRelocation
- ...most modern and secure freight transaction network. That’s why we’re... ...businesses running? As a Senior Network Security Engineer, you'll play a... ...business applications. Along the way, you... ...play a key role in protecting the organization'... ...integrations using APIs and scripting to...ApplicationSeniorFull timeRemote work
$118.7k - $218.6k
...Cyber Data Protection and PKI Specialist - Senior ConsultantOur... ...proactively manage to secure success.... ...Information Security, Engineering, Computer... ..., Kubernetes, API gateways, web/app servers,... ...DataFamiliarity with networks, firewalls,... ...for the applicable geographic differential...ApplicationSeniorWebWork experience placementLocal areaVisa sponsorship$90k
...Description Job Description Senior JAVA, API Developer Can be located... ..., reliability, and security of the APIs. You will have the... ...8+ years of RESTful or SOAP web services. ~5+ years of Angular... ...methodologies for developing applications. Compensation:...ApplicationSeniorWebImmediate startVisa sponsorship- ...We're seeking skilled a Senior Software Engineer to design and develop the core API services and backend... ...tuning for high-traffic applications Create serverless functions... ...Implement security best practices including... ...GraphQL services, and web services at scale Database...ApplicationSeniorWebContract workRemote work
$95.86k - $208.27k
...is currently seeking a Senior Specialist, MAST Application Penetration Tester to join... ...testing against API's (REST/SOAP), Web Applications, Mobile applications... ...for Registered Ethical Security Testers (CREST),... ...citizenship status, disability, protected veteran status, or any...ApplicationSeniorWebH1bLocal area$105.4k - $207.8k
...Summary Cisco Network Security Engineer/ Senior Consultant, Strategy... ...(IPS), malware protection, URL filtering, Domain... ...environments, including Amazon Web Services (AWS),... ...cloud capabilities, application security, and... ...programming interfaces (REST APIs), Ansible, Terraform...ApplicationSeniorWork experience placementLocal areaVisa sponsorship- ...Description Job Description Senior Network Security Engineer Location: Dallas, TX (... ...VPNs, and advanced threat protection platforms Technical... ..., Ansible, and vendor APIs • Drive adoption of automation... ...across infrastructure and application layers Required...ApplicationSenior
$131k - $169k
...'s Best Small Workplaces™ List. Senior Security Engineer Our Engineering Standards at Karbon... ...Engineers who are confident in network & security fundamentals, driven to... ...risk and vulnerability assessments of web applications and APIs and third party suppliers and...ApplicationSeniorWebWork at officeWork from homeFlexible hoursDay shift- ...maintainability.Optimize application performance for... ...logic).3. API Design &... ...Enforce rigorous security standards using... ...backend software engineering.Java Mastery:... ...practices and web vulnerabilities... ...opportunities and firmwide networks to benefits,... ...characteristic protected by applicable...ApplicationSeniorWeb
$70.8k - $156.7k
Java API Tech Lead Position Description... ...performance, end-to-end web applications. The ideal candidate... ...teams through complex engineering challenges across both... ...practices in coding, CI/CD, security, and performance... ...or any other legally protected status or...ApplicationWebPermanent employmentLocal area- ...seeking an exceptional Senior Backend Engineer to join our... ...Semperis's enterprise security and identity... ...our customers to protect Microsoft Entra Id... ...Microsoft 365 applications.Be responsible for... ...programming model and API.Experience... ...Windows / Linux / Web SecurityKnowledge...ApplicationSeniorWebWork at officeLocal areaRemote work3 days per week
- ...proactively manage to secure success.We are... ...assess the security of web applications, APIs, and related systems.... ...intelligence. Helps manage and protect dynamic attack... ...Information Systems, Engineering, or a related technical... ...-level employees to senior leaders, we believe there...ApplicationSeniorWebWork at officeLocal areaRelocationNight shift
- ...Global Software Firm seeks a Sr Network Security Engineer. We're looking for an... ...security, including compliance, application level security, and end-point protections. The engineer will be tasked... ...needed, as well as knowledge in APIs. Candidates should also have a...ApplicationSeniorPermanent employmentRemote work
$107.12k - $160.68k
...Category: Technology, Applications... ...Developer:The Senior Backend Developer... ...and millions of web requests every... ...highly scalable, secure, and resilient... ...backend services and APIs using modern programming... ....Performance Engineering: Optimize... ...disability, status as a protected veteran, or any...ApplicationSeniorWebFull time- API Developer Position Description... ...clients. As a senior API developer, you... ...reliability, and security of the APIs. You will... ...of RESTful or SOAP web services • 5+ years... ...for developing application Together, as owners... ...any other legally protected status or...ApplicationWebPermanent employmentWork at officeLocal area
$140.6k - $173.1k
...a Staff software engineer with strong front... ...intuitive, performant web applications that integrate... ...with other senior engineers.Lead comprehensive... ..., availability, security, and reliability... ...or GraphQL APIs.Solid understanding... ..., and data protection.Excellent collaboration...ApplicationWebFull timeRemote workFlexible hours$91.7k - $163.7k
...maintain scalable enterprise applications using C#, ASP.NET Core/.NET Core, Web APIs, and SQL... ...availability, scalability, security, and performanceDevelop... ...Owners, Architects, QA Engineers, and DevOps teams to deliver... ...age, national origin, protected veteran status, disability...ApplicationSeniorWebMinimum wageFull timeWork experience placementLocal areaRemote work$156.16k - $234.24k
...Category: Technology, Applications Development,... ...Investment Solution Senior Lead Analyst is a... ...information. Impacts engineering through... ...such as mobile and web & emerging technologies... .../ cloud, RESTful API’s, API Gateway, Data... ...disability, status as a protected veteran, or any...ApplicationSeniorWebFull time$126k - $248k
...minutes.We're seeking a Senior Software Engineer to join our Developer... ...on a variety of APIs and customer-facing UIs... ...scalable, high availability web applicationHas... ...their most important applications, we’re powering the next... ...status, genetics, protected veteran status, sexual...ApplicationSeniorWebLocal areaRemote workWorldwideFlexible hours$95.55k - $195.25k
...As a Deloitte Tax Full Stack Engineer, Senior you’ll design, develop, and deploy cutting-edge web applications and features that solve key business... ....NET Core, ASP.NET Core Web API, SQL, NoSQL, Entity Framework... ...origin, age, disability or protected veteran status, or any other...ApplicationSeniorWebWork at officeLocal areaVisa sponsorshipShift work2 days per week3 days per week$125.76k - $188.64k
...Technology, Applications Development,... ...and versatile Senior ATM &... ...Systems Software Engineer to join our... ...developing, and securing critical ATM... ...components.API &... ...software and network issues within... ...responsive web-based administrative... ...status as a protected veteran, or...ApplicationSeniorWebFull time$171.6k - $338.3k
...proactively manage their security posture.... ...’s Cyber Engineering is a new team that... ...problems through application of methods and... ...consuming REST APIs and... ...practices.Knowledge of web security, GitOps... ...level employees to senior leaders, we... ...disability or protected veteran status,...ApplicationSeniorWebLocal area$170.6k - $261.3k
...productivity of ML engineers, and drive the... ...Position Overview: As a Senior AI/ML Full-Stack... ...user-facing web applications and internal tools... ...services and APIs that power frontend... ...Ensure systems are secure, reliable, and... ...as a veteran or protected veteran, or any other...ApplicationSeniorWebFull timeLocal areaWork from homeFlexible hours$93.9k - $147.5k
...seeking a Software Engineer to join our Data... ...modern, scalable web applications using... ...front-end rendering, APIs, and database interactions.Apply security best practices in... ...authorization, and data protection.Partner with DevOps... ...for Experienced (Senior-Level) Candidates...ApplicationSeniorWebFull timeInternship$89.6k - $198.4k
Senior Software Architect - Java Position... ...platform, and Web based application systems; oversees... ...with Java 11, 17, API Development with... ...architectures, DevOps engineering, container based... ...other legally protected status or... ...of US government security clearance held. Dependent...ApplicationSeniorWebWork at officeLocal area$86.25k - $158.13k
...success. As a Quality Engineer Specialist Sr within PNC... ...flows spanning UI, APIs, fraud checks, and downstream... ...‑facing, enterprise web applications• Test automation... ...long-term disability protection; 401(k) with PNC match... ...registered role, the Secure and Fair Enforcement for...ApplicationSeniorWebFull timeTemporary workPart timeWork experience placementWork at office- ...globally uses our network, scale, connectivity... ...systems and applications using modern .NET... ...transition to AI-first engineering practices by actively... ...both UI-based and API-driven lender... ...direction on ASP.NET Core Web API designs,... ...or any other basis protected by federal, state...ApplicationSeniorWebFull timeWork experience placementLocal areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Network Security Engineer - WAAP (Web Application & API Protection). Be the first to apply!
- security engineering manager Dallas, TX
- application security engineer Dallas, TX
- sr information security engineer Dallas, TX
- sr security engineer Dallas, TX
- entry level security engineer Dallas, TX
- senior application security engineer Dallas, TX
- principal security engineer Dallas, TX
- physical security engineer Dallas, TX
- security engineer Dallas, TX
- aws cloud security engineer Dallas, TX


