Lead Platform Security Engineer
Job Details

Company Description

We believe everyone should be able to participate and thrive in the economy. So were building tools that make commerce easier and more accessible to all. We started with a little white credit card reader but havent stopped there. Our new reader helps our sellers accept chip cards and NFC payments, and our Cash app lets people pay each other back instantly. Were empowering the independent electrician to send invoices, setting up the favorite food truck with a delivery option, helping the ice cream shop pay its employees, and giving the burgeoning coffee chain capital for a second, third, and fourth location. Lets shorten the distance between having an idea and making a living from it. And make it easier for customers to shop and pay at their favorite businesses. Were here to help sellers of all sizes start, run, and grow their businessand helping them grow their business is good business for everyone.

Job Description

The Square Security team works to ensure the security of every transaction from dip to receipt and beyond. We strive to provide a secure environment that allows Square to build world-class products for both customers and employees. Our ultimate goal is to ensure that every single experience with Square is simple, secure, and safe.

The Platform Security team is responsible for the security of all of Squares corporate and production infrastructure. The members of this team are deeply involved in all facets of our infrastructure design, operation, and monitoring; ready to respond to any sign of compromise. The Lead Platform Security Analyst is specifically responsible for helping shape our intrusion detection, incident response, and threat intelligence capabilities as well as identification, investigation, and direction of response to suspicious behavior within our infrastructure. The position requires extensive experience identifying and developing defenses against real-world threats and responding to incidents.


You will:

  • Lead investigations of attacks and leverage tactical and technical capabilities to eradicate threats.

  • Actively monitor, analyze and correlate activity, evaluate security incidents, perform research and provide in-depth incident analysis.

  • Instrument and monitor clients, servers and networks to detect malicious behavior.

  • Design and implement Squares threat intelligence platform to perform intelligence gathering and in-depth analysis of threats.

  • Improve and automate internal capabilities for investigating and responding to security events.

You have:

  • 5+ years of related experience

  • Demonstrated relevant experience as a key member of a threat intel, incident response, malware analysis, or similar role.

  • Strong knowledge of network and Linux/macOS forensic collection and analysis

  • Ability to work independently and lead projects and initiatives.

  • Ability to translate threat intelligence reports and indicators of compromise into actionable detection mechanisms.

  • Scripting experience (i.e. Ruby, Python, shell scripting).

Additional Information

At Square, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

Company Reviews
As a female engineer I definitely feel like there is a strong community of women engineers who are a close support circle. You are definitely aware th... more
- squarefairygodb
This is a company that seeks to do the right thing by its customers and by its employees. More than half of our executive leadership is made up of wom... more
- Sassafras
Awesome place for learning and growing a career. Great culture of teaching and mentoring others.
- anon2025

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