Sr Security Engineer - DDOS and Bot Defense

Reposted 14 Days Ago
Be an Early Applicant
Seattle, WA, USA
In-Office
202K-224K Annually
Senior level
Logistics • Transportation • 3PL: Third Party Logistics
We reimagine the way the world moves for the better.
The Role
Designs and scales network security systems, real-time algorithms, and automated defenses against bot attacks and DDoS threats. Processes network telemetry using streaming and machine learning technologies, automates cloud and edge security controls with Terraform, improves monitoring and resilience, responds to incidents, conducts technical reviews, develops runbooks, and mentors engineers.
Summary Generated by Built In
About the Role

The security organization at Uber is dedicated to enabling safe and secure innovation while protecting the communities we serve both online and in the physical world. Our teams are responsible for protecting both people and their data across intersections of the digital and physical world. The primary objective for the Uber Engineering Security team is to enable the technical ambitions of the company while maintaining the highest standards of security and privacy for our customers and partners. As cybersecurity threats evolve, so do we.


We are seeking a Senior Security Engineer to join our Network Security team, with a primary focus on Bot Defense and DDoS Mitigation. In this role, you will help design, build, and optimize scalable network security systems, algorithms, and automated defense mechanisms to protect our global services against automated threats, volumetric attacks, and malicious bot activity. You will work closely with cross-functional teams to enforce policies, improve real-time threat detection, and maintain system resilience at scale.

What the Candidate Will Do
  • Design, implement, and scale distributed backend systems and real-time algorithms to detect, prevent, and mitigate automated bot attacks and volumetric DDoS threats targeting edge and network infrastructure.
  • Leverage real-time streaming frameworks and machine learning capabilities to process network telemetry, identify traffic anomalies, and mitigate threats.
  • Automate and enforce network access controls, segmentation policies, and edge security configurations using Terraform.
  • Improve security visibility, logging, and metrics within container-based and cloud-native environments.
  • Monitor network traffic and security dashboards to respond to ongoing security incidents, partner with internal engineering teams on threat resolution, and embed security best practices across services.
  • Drive technical quality through rigorous code and design reviews, establish operational runbooks, and mentor junior engineers within the team.
Basic Qualifications
  • Bachelor’s Degree or equivalent in Computer Science, Engineering, Mathematics, or a related field.
  • 5+ years of professional full-time experience in software engineering, cybersecurity, or network security engineering.
  • Proficiency in at least one production programming language: Go, Java.
  • Deep understanding of network protocols and concepts, including TCP/IP, DNS, HTTP/S, firewalls, proxies, VPNs, and network segmentation.
  • Experience with cloud technologies (e.g., AWS, GCP, OCI) and containerization (e.g., Docker, Kubernetes).

Preferred Qualifications
  • Direct experience in network security, cybersecurity, bot detection, or DDoS mitigation at scale.
  • Hands-on experience incorporating AI/ML models into production systems and working with real-time streaming frameworks (e.g., Apache Flink, Kafka).
  • Experience with Secure Access Service Edge (SASE) platforms (e.g., Zscaler).
  • Relevant security certifications (e.g., CISSP, CCNP) are a plus.
Responsibilities

For Seattle, WA-based roles: The base salary range for this role is USD $202,000 per year - USD $224,000 per year.

You will be eligible to participate in Uber's bonus program, and may be offered an equity award & other types of comp. All full-time employees are eligible to participate in a 401(k) plan. You will also be eligible for various benefits.

About Us

Ready to Ride?

This isn't the kind of place where you follow a playbook — it's where you help write one. If you're driven by impact, energized by challenge, and ready to shape how the world moves — we'd love to hear from you.

You may be eligible for bonuses, equity, and other compensation, as well as a range of benefits. Explore our benefits.

Offices remain key to collaboration and Uber's culture. Unless approved for full remote work, employees must spend at least 50% of their time in-office. Some roles, like those at greenlight hubs, require full-time in-office presence. Ask your Recruiter for details about this role's requirements.

Uber is proud to be an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know by completing this form.

Skills Required

  • Bachelor's degree or equivalent in Computer Science, Engineering, Mathematics, or a related field
  • 5+ years of professional full-time experience in software engineering, cybersecurity, or network security engineering
  • Proficiency in at least one production programming language, including Go or Java
  • Deep understanding of TCP/IP, DNS, HTTP/S, firewalls, proxies, VPNs, and network segmentation
  • Experience with cloud technologies such as AWS, GCP, or OCI
  • Experience with containerization technologies such as Docker or Kubernetes
  • Direct experience in network security, cybersecurity, bot detection, or DDoS mitigation at scale
  • Experience incorporating AI/ML models into production systems
  • Experience with real-time streaming frameworks such as Apache Flink or Kafka
  • Experience with Secure Access Service Edge platforms such as Zscaler
  • Relevant security certifications such as CISSP or CCNP

Uber Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Uber and has not been reviewed or approved by Uber.

  • Parental & Family Support — Policies provide a minimum of fully paid parental leave for all parents and financial support for fertility, adoption, and surrogacy, with added credits to ease the transition. Programs extend to family medical leave and parenting support resources, indicating depth beyond baseline offerings.
  • Healthcare Strength — Healthcare coverage is described as comprehensive across many countries, with medical, dental, vision, life, disability, and mental health benefits, plus allowances where direct plans are not available. Wellness programs and reimbursements further reinforce access to care.
  • Wellbeing & Lifestyle Benefits — Monthly ride and meal credits, free office meals/snacks, fitness stipends, onsite gyms, and wellbeing reimbursements create meaningful everyday value. Home‑office stipends, travel medical coverage, and counseling support round out lifestyle-oriented perks.

Uber Insights

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The Company
HQ: San Francisco, CA
21,000 Employees
Year Founded: 2009

What We Do

We are Uber. The go-getters. The kind of people who are relentless about our mission to help people go anywhere and get anything. Movement is what we do. It’s our lifeblood. It runs through our veins. It’s what gets us out of bed each morning. It pushes us to constantly reimagine how we can move better. For you. For all the places you want to go. For all the things you want to get. For all the ways you want to earn. Across the entire world. In real-time. At the incredible speed of now.

Why Work With Us

We welcome people from all backgrounds who seek the opportunity to help build a future where everyone and everything can move independently. If you have the curiosity, passion, and collaborative spirit, work with us, and let’s move the world forward, together.

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