Founded: 1996
Employees: 1001-5000
Information TechComputer & Network Security

Software Engineer III

Neustar, Inc. is a leading global information services provider driving the connected world forward with trusted, holistic identity resolution. More information is available at

Job Requisition:

R-1627 Software Engineer III (Open)

Primary Location:


Job Description:

Neustar Security Solutions

Neustar Security Solutions defend against network threats, inform you of potential network vulnerabilities, accelerate online asset performance, and monitor client website performance through multiple services and offerings. Neustar will offer the largest, most distributed DDoS mitigation network in the world with over 10 Tbps of capacity, and our industry leading SiteProtect DDoS defense service ensures full coverage in an attack. Our UltraDNS service manages 10% of all internet traffic, routes over 1 trillion queries a month and provides industry leading uptime with 100% availability. Our nearly 20 years of unparalleled expertise ensures that our customers are protected and optimized during normal business practices and when unsolicited events occur. Our services ensure customers network connectivity are protected and optimized whether in crisis or just business as usual. We are trusted by many of the world’s largest brands to keep their mission critical systems up and running.

More information is available at

Job Description:

As a Senior Security Software Engineer you will analyze problems, gather requirements, design, and develop products to support the management and visualization of the production network.  Your work will support Neustar’s SiteProtect service offering. You will develop tools/APIs to integrate with the platform, providing self-service DDoS Mitigation and Web Application Firewall (WAF) provisioning and management for our customers.  You may also be responsible for engineering other aspects of our Security Services offerings.  You will collaborate with other engineers and stakeholders to define system requirements and/or necessary modifications.


  • Full stack design and development of DDoS mitigation, WAF solutions and other Security Solutions, integrating our customer portal with the platform back-end.
  • Collaborate with Product and Architecture Design teams to create the best experience for our customers and technical product managers.
  • Update job knowledge by participating in educational opportunities; read professional publications; maintain personal networks; participate in professional organizations.
  • Collaborate with other engineers and architects to identify requirements and solutions.
  • Write tests and do everything in your power to ensure code is shipped frequently and without issue.
  • Provide advanced technical expertise, support, oversight and accountability for service application performance and/or incidents.
  • Closely partner with Information Security and other compliance personnel to ensure security compliance with certifications such as PCI.
  • Develop and maintain related DDoS mitigation and WAF documentation.

Skills & Qualifications:

  • 10+ years-experience in software engineering.
  • 3+ years developing automation tools, RESTful web services, or APIs.
  • Experience working with modern programming languages, specifically Python and Golang.
  • Experience with external Cloud providers (AWS, Google Cloud, Rackspace, etc.).
  • Experience designing and writing cross-browser web applications using JavaScript / JQuery / Bootstrap/React/Vue.js/Angular.
  • Must be comfortable with working across the full application stack, including configuration and troubleshooting in Linux / UNIX, Apache / Nginx and MySQL / PostgreSQL.
  • Understands systems dependencies and interrelation to the business.
  • Able to analyze complex cross-platform, multi-service issues.
  • Able to define process improvements.
  • Must be willing to work in an extremely fast-paced work environment.
  • Must be fluent in Agile methodology and its operational practices
  • Bachelor¹s degree in Computer Science or equivalent experience.

Highly Desired:

  • 5+ years-experience with WAF / application security.
  • 3+ years in Network automation and BGP and TCP/IP protocols.
  • Preferred certifications: Security+, CISSP, CEH, CCSP, SANS.
  • Experience working with WAF technologies such as Citrix WAF and NGINX w/ModSecurity.
  • Experience with various network and security technologies (Arista, Citrix, Juniper, etc.).
  • Experience with Docker and Ansible, or equivalent container development and automation technologies.
  • Experience with one or more of: Elasticsearch, MongoDB, or Redis.

Engineering Culture at Neustar:

  • Follow best practices.
  • Use the best tool for the job.
  • Write quality code.
  • Own and contribute to the product for the benefit of the customer.
  • Be humble and respect the idea of others.
  • If you do something by hand 3 times, script it.

Neustar does not accept unsolicited resumes from external firms or agencies.  Neustar will not be responsible for placement fees associated with unsolicited resumes.

Diversity, inclusion and teamwork are second nature to Neustar; and these values permeate our entire business structure. Neustar is committed to creating an environment where a wide spectrum of opinions and beliefs are actively sought, listened to and respected. Further, our talented workforce draws from the many geographic areas and markets in which Neustar operates worldwide, which represents a distinct competitive advantage. The rich and varied personal and professional backgrounds of our employees make Neustar a dynamic and rewarding company at which to build a career. We invite you to join us.

EOE of Minorities/Females/Vets/Disability
Neustar, Inc. considers all applicants for employment without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, or status as a Vietnam-era or special disabled veteran in accordance with federal law and other state and local requirements. Neustar, Inc., complies with applicable state and local laws prohibiting discrimination in employment and provides reasonable accommodation to qualified individuals with disabilities in accordance with the American with Disabilities Act (ADA) and applicable state and local laws.

Map / List