Uber

Sr Security Engineer - DDOS and Bot Defense

Uber$202K — $224K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's Degree or equivalent in Computer Science or related field.
  • 5+ years in software engineering, cybersecurity, or network security engineering.
  • Proficient in at least one production programming language, preferably Go or Java.
  • Deep understanding of network protocols like TCP/IP, DNS, and HTTP/S.
  • Experience with cloud technologies such as AWS or GCP and containerization with Docker or Kubernetes.

Responsibilities

  • Design and implement distributed systems for bot detection and DDoS mitigation.
  • Use real-time streaming frameworks to identify and address network traffic anomalies.
  • Automate network access controls and edge security configurations with Terraform.
  • Enhance security visibility and logging in cloud-native settings.
  • Monitor network traffic and collaborate with engineering teams on threat resolution.
  • Conduct rigorous code reviews and mentor junior engineers within the team.

Benefits

  • Participation in Uber's bonus program and potential equity awards.
  • 401(k) plan eligibility for all full-time employees.
  • Access to various employee benefits.
Full Job Description
Job Description

About the Role

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 Uber

Uber Entertainment, Inc. is a privately held video game development company headquartered in beautiful downtown Kirkland, WA. Uber is currently developing Planetary Annihilation, a next generation real time strategy game of epic proportions.

Uber Careers

There has never been a better time to join our global team of Uber professionals—pioneers in the world of transportation and technology. Work you’ll do Join Uber’s industry-leading team to help drive forward the future of mobility and logistics for some of the world’s most dynamic cities and populations. Transform the way the world moves with the brightest minds at Uber, where innovation meets functionality to create solutions for everyday challenges. Lead from a unique position in the marketplace, at the intersection of technology, operational excellence, and user-centric design. Work with a global team of business and technology advisors to help clients and cities navigate their paths towards more efficient and sustainable urban transport solutions. Collaborate with a diverse group of Uber experts worldwide – a team dedicated to rethinking and improving the way the world moves. Introducing the Uber Innovation Hub We are building a market-leading team to pioneer advancements in transportation and logistics, ensuring Uber remains at the forefront of mobility solutions. Do innovative work Join a group of exceptional professionals where your skills in technology, leadership, and creativity can flourish. At Uber, innovation isn’t just a buzzword—it's the core of everything we do. Deliver targeted solutions through a depth and breadth of expertise and innovation that’s second to none, enhancing how cities, companies, and communities connect. Be part of a great team Engage with a wide-ranging technology stack and harness the unparalleled capabilities, global scale, and collective problem-solving skills of our diverse team. Future-proof your career Advance your career with Uber’s commitment to professional growth, offering extensive training, development, and certification support. Go as far as your ambition takes you with limitless job opportunities in a company that’s reshaping the world’s approach to transportation. Explore Uber’s approach to predictive maintenance ensures our fleet remains ready and efficient, reducing downtime and improving service reliability. Our end-to-end mobility solutions are transforming the way cities think about transportation, making Uber a key player in the future of urban mobility. The Uber Leadership and Innovation Alliance Our combined service capabilities, global scale, and joint solution development help overcome challenges and lead transformation in the transportation industry. Clients and cities around the globe look to Uber for new strategies and solutions to drive growth and innovation in the digital era. Stay connected Join Our Team Search open positions that match your skills and interest. We look for passionate, curious, creative, and solution-driven team players ready to redefine the world of mobility. SEARCH UBER JOBS Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who drive at Uber. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Explore the exciting and rewarding career opportunities that await at Uber.
Learn more about Uber
Size
29,300 employees
Market Cap
$48.6 billion
Industry
Net Income
-$6.7 billion
Founded
2009
5 Year Trend
+35.3%
Revenue
$11.1 billion
NASDAQ

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