Duo Security
Our mission is simple: democratize security by making it easy and effective for everyone to use.
Austin, TX

Senior Machine Learning Engineer - Infrastructure Focus at Duo Security

| Austin
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Duo Security, now a part of Cisco, is the leading provider of Trusted Access security and multi-factor authentication delivered through the cloud.

Duo’s mission is to make security simple for everyone. We were born from a hacker ethos and a desire to make the Internet a secure place. We believe in empowering people to follow their passions inside and outside of the office and enable every employee to bring their whole self to work.

Our team is our secret weapon. We run the spectrum from artists to analysts, low-key to high energy, and bring together a diversity of skill sets, experiences, and perspectives to solve what we consider to be the world's most pressing geopolitical challenge — transforming the security industry as we know it. Together we build solutions that are easy, effective, trustworthy, and enduring. And that’s why we are the most loved and trusted company in security.

Are you passionate about machine learning and solving hard security problems to help organizations of all sizes? Do you want to work closely with a pragmatic and diverse group of data scientists and security researchers in Duo’s industry-leading security department? Do you have great ideas about what an ideal modern machine learning infrastructure should look like? If yes, then you might be a good fit for this role.

On Duo’s data science team, we use machine learning and statistics to bring new product capabilities and analytical insights to our customers. Our largest project involves proactively detecting anomalous behavior within our customers’ accounts. We sit inside of Duo Labs, an advanced research group that uses deep industry knowledge and innovation to protect customers and the public at large. Spanning security researchers, engineers and data scientists, Labs prototypes new features and products, builds internal tools, and extracts insights from data.

What you'll do...
  • Assume ownership of current and future machine learning infrastructure. You’ll be the first engineer in this role at Duo and will have an opportunity to make a large impact.
  • Partner with data engineers and data scientists to build paved paths for machine learning, and deliver machine learning product features to the hands of millions of users at thousands of Duo customers.
  • Evaluate, recommend, build, or drive adoption of tools and processes for a wide range of research and production use cases. Areas of work could include, for example, systems for research data access, for experiment tracking, or for scheduling and monitoring model training jobs in production.
  • Develop tools and processes to enable reliable and performant access to data for research and product development, while ensuring security and privacy properties.
  • Make improvements to our production machine learning pipeline.
  • Enhance our experiment tracking tool and research infrastructure in general.
  • Elicit and prioritize the infrastructure needs of the data science team.
You should have...
  • Significant experience engineering software systems.
  • Developed server-side web applications, REST APIs, and/or microservices
  • A solid understanding of machine learning, in order to better understand and anticipate the team’s needs.
  • Programming skills in Python, or in languages like Go or Ruby.
  • A penchant for working collaboratively within and across teams.
  • The ability to clearly communicate your ideas.
  • A commitment to quality and an eye for details.
  • The agility to work in the rapid, unpredictable environment of a high-growth tech organization.
Even better if you have...
  • Scala and Apache Spark experience.
  • Worked with data pipelines or distributed message queues.
  • Familiarity with Python 3 and Twisted.
  • Experience running deployments at-scale in AWS or similar IaaS services.
  • A passion for security and privacy.
  • Partnered with data science teams in an engineering capacity in the past.
3 Reasons why you should apply…
  • You love to solve complex problems revolving around data.
  • A company culture of kindness, transparency, and learning. Employees love Duo.
  • Ability to positively impact millions of users. Customers love Duo.
This job may not be for you if…
  • You stress under ambiguity and lack of precedent. We’re building something new and that often means clearing our own path.
  • You’re more interested in developing ML models than the infrastructure that makes them possible. If so, keep an eye out for data science roles on our team.
  • Scalable data infrastructure is your thing, but machine learning not so much. You might be a great fit for our data engineering team.

Duo is committed to cultivating and preserving a culture of inclusion and connectedness. We are able to grow and learn better together with a diverse team of employees. The collective sum of the individual differences, life experiences, knowledge, innovation, self-expression, and talent that our employees invest in their work represents not only part of our culture, but our reputation and Duo’s achievement as well. In recruiting for our team, we welcome the unique contributions that all potential candidates can bring in terms of their education, opinions, culture, ethnicity, race, gender identity and expression, nationality, age, languages spoken, veteran’s status, religion, disability, sexual orientation and beliefs.

And if this role is exciting you, we encourage you to apply even if you don’t meet all 100% of the description or qualifications. Finally and most importantly, we are a proud Equal Opportunity Employer

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Where we are

Duo's Austin office is located in the heart of downtown.

Technology we use

  • Engineering
  • Product
  • Sales & Marketing
    • .NETLanguages
    • C#Languages
    • C++Languages
    • GolangLanguages
    • JavascriptLanguages
    • PythonLanguages
    • RLanguages
    • SqlLanguages
    • SwiftLanguages
    • D3JSLibraries
    • FluxLibraries
    • ReactLibraries
    • ReduxLibraries
    • AngularJSFrameworks
    • CaffeFrameworks
    • Ember.jsFrameworks
    • ExpressFrameworks
    • Node.jsFrameworks
    • CassandraDatabases
    • Microsoft SQL ServerDatabases
    • MySQLDatabases
    • PostgreSQLDatabases
    • RedisDatabases
    • IllustratorDesign
    • InVisionDesign
    • PhotoshopDesign
    • SketchDesign
    • Adobe Creative SuiteDesign
    • MarvelDesign
    • Aha!Management
    • ConfluenceManagement
    • JIRAManagement
    • Microsoft ProjectManagement
    • TrelloManagement
    • WrikeManagement
    • SalesforceCRM
    • MarketoLead Gen

What are Duo Security Perks + Benefits

Volunteer in local community
Partners with Nonprofits
Friends outside of work
Eat lunch together
Team owned deliverables
Team based strategic planning
Group brainstorming sessions
Open office floor plan
Dedicated Diversity/Inclusion Staff
Highly diverse management team
Unconscious bias training
Someone's primary function is managing the company’s diversity and inclusion initiatives
Diversity Employee Resource Groups
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Wellness Programs
Retirement & Stock Options Benefits
401(K) Matching
Employee Stock Purchase Plan
Performance Bonus
Match charitable contributions
Child Care & Parental Leave Benefits
Generous Parental Leave
Flexible Work Schedule
Family Medical Leave
Adoption Assistance
Company sponsored family events
Vacation & Time Off Benefits
Generous PTO
Paid Volunteer Time
Paid Holidays
Perks & Discounts
Casual Dress
Company Outings
Stocked Kitchen
Professional Development Benefits
Job Training & Conferences
Tuition Reimbursement
Diversity Program
Lunch and learns
Cross functional training encouraged
Promote from within
Mentorship program
Continuing Education stipend
Time allotted for learning
Online course subscriptions available

An Insider's view of Duo Security

How does your team reward individual success?

It can be as quick as some karma in Slack. We do team appreciations at the start of team meetings and Cisco has connected recognition which allows individuals to recognize the great work someone has done along with a monetary award, from $25 on up! We also celebrate life with team members, for example throwing a virtual baby shower!


Senior Engineering Manager

What's the biggest problem your team is solving?

Our cross-functional team of data scientists, software engineers, and designers, as well as product and security experts is building an intuitive adaptive authentication system. We’re moving past basic rule-based approaches to create a dynamic experience that people will love for keeping them secure while staying unobtrusive.


Head of Data Science and Engineering

What are some things you learned at the company?

Early on, I thought that success in the security industry was attributed solely to people's ideas or intellect. Since then, I've learned that the most important thing to have in any industry is empathy. Without empathy, you can't build a product that people will love or a place that people will want to work. Empathy is a foundation for success.


Senior Data Scientist

What is your vision for the company?

My overall vision is to provide mechanisms for the business to build simple, safe and secure products that our customers and partners intrinsically trust. It is my belief that when we empower our teams and stakeholders to creatively work together instead of falling on process and procedure for the sake of it, our creativity opens to new heights.


Head of Product Security

What makes someone successful on your team?

Success for us is taking the road less traveled to achieve better results, meaning we look for teammates who bring perspectives from all walks of life and who are not afraid to use their voice. We believe this combination results in good outcomes because we end up paving our path to success with a diversity of thought.


Internal Communications Manager

Jobs at Duo Security

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