Security Governance Partner - Machine Learning/Data Science, Cash App

  • Full-time

Company Description

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 47 million monthly active customers. We want to redefine the world’s relationship with money to make it more relatable, instantly available, and universally accessible.

Today, Cash App has thousands of employees working globally across office and remote locations, with a culture geared toward innovation, collaboration and impact. We’ve been a distributed team since day one, and many of our roles can be done remotely from the countries where Cash App operates. No matter the location, we tailor our experience to ensure our employees are creative, productive, and happy.

Check out our locations, benefits, and more at

Job Description

Cash Security is a security-enabling engineering organization focused on scaling security as a discipline through innovation. As a security team, Security Governance develops, implements and promotes frameworks and standards aimed at securing our customer’s data, giving privacy and security considerations a voice across the organization, and simplifying Cash’s security-related regulatory and compliance obligations.

Governance Partners act as a bridge between the Cash App functional area they support and Leadership across security, engineering, and compliance teams to drive security enablement. The Security Governance Partner for Cash App Machine Learning and Data Science (ML/DS) works directly with the teams that build Cash App’s machine learning pipelines and infrastructure and the Cash data scientists to identify and communicate constraints and to evaluate potential solutions, while partnering closely with MLDS Security Engineering to communicate requirements and shape the security posture of the MLDS organization.

You will:

  • Act as a security domain expert in partnership with Compliance, Legal, and Engineering
  • Collaborate deeply across roles and functions, with Security Engineering, Machine Learning Engineering and Modeling, and Data Science/Business Intelligence
  • Identify, prioritize and balance security efforts with other objectives
  • Help Cash automate governance and compliance functions and develop reusable tools for common tasks using scripting languages like Python or data tools like Prefect
  • Participate in technical design discussions, evaluate security properties of systems and services, drive risk decisions, and influence technical architecture
  • Understand challenges and roadblocks to achieving the desired security posture, and push requirements to Security Engineering to drive long-term change
  • Develop, implement and promote security standards and frameworks
  • Interpret and communicate security and compliance constraints to key stakeholders
  • Monitor applicable changes to security and privacy related laws, regulations, and industry standards, with an eye towards Generative AI and other forward-looking technologies


You have:

  • 3+ years of experience leading projects or programs in a security environment
  • 5+ years working in a security-focused role in a technology-heavy industry
  • Proficiency with at least one programming language (e.g. Python, Kotlin, Java)
  • Conceptual understanding of machine learning and data science tools and processes
  • Solid technical background with cloud computing architectures and security patterns
  • Ability to drive alignment and change in a matrixed-environment with minimal supervision
  • Boundless curiosity, persistence and a grounded approach to getting things done
  • Process orientation and an efficiency mindset to keep the organization unblocked and accountable to security
  • Working knowledge of one or more relevant compliance regulations such as SEC/FINRA, CCPA, CPRA, GDPR, PCI DSS, SOX

Tech stack we use and teach:

  • Java and Kotlin 
  • Python
  • AWS, GCP, and Kubernetes
  • SQL, Snowflake
  • Apache Spark
  • DynamoDB, Kafka, Apache Beam and Google DataFlow
  • Tableau, Airflow, Looker, Mode, Prefect
  • Tecton
  • Jupyter notebooks 

Additional Information

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

Zone A: USD $148,700 - USD $223,100
Zone B: USD $141,300 - USD $211,900
Zone C: USD $133,800 - USD $200,800
Zone D: USD $126,400 - USD $189,600

To find a location’s zone designation, please refer to this resource. If a location of interest is not listed, please speak with a recruiter for additional information. 

Full-time employee benefits include the following:

  • Healthcare coverage (Medical, Vision and Dental insurance)
  • Health Savings Account and Flexible Spending Account
  • Retirement Plans including company match 
  • Employee Stock Purchase Program
  • Wellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowance 
  • Paid parental and caregiving leave
  • Paid time off (including 12 paid holidays)
  • Paid sick leave (1 hour per 26 hours worked (max 80 hours per calendar year to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees) 
  • Learning and Development resources
  • Paid Life insurance, AD&D, and disability benefits 

These benefits are further detailed in Block's policies. This role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies, and may be eligible for a sign-on bonus. Sales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policies. Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation or benefit plans.

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page.

Additionally, we consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.


We’ve noticed a rise in recruiting impersonations across the industry, where individuals are sending fake job offer emails. Contact from any of our recruiters or employees will always come from an email address ending with,,, or,

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

While there is no specific deadline to apply for this role, on average, U.S. open roles are posted for 70 days before being filled by a successful candidate.

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