Security Engineer – Business Continuity & Risk

Block

. Own and operationalize Square Financial Services’ third-party risk management and business continuity program .

Posted 11/4/2026full-timeRemote • California • United StatesMid-LevelSenior💰 $153,000 - $270,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in third-party risk management and business continuity, with a strong background in building production software and defining technical approaches for complex, cross-team challenges. Proficient in automating processes and integrating compliance requirements into operational frameworks.

Highest-signal resume keywords

Third-Party Risk ManagementBusiness Continuity ExperienceProduction Software DevelopmentPython ProficiencyLLM Integration Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Third-Party Risk ManagementBusiness ContinuityProduction Software DevelopmentPythonKotlinJavaGoREST APIsData NormalizationTechnical Direction

Tools & Technologies

LLMsEvent-Driven ArchitecturesWebhooksAuthentication Flows

Industry Keywords

PCI DSSSOXSOC 2ISO 27001NIST

Tech Stack

Tools & technologies

JavaKotlinPythonGo

About the role

Key responsibilities & impact

Own and operationalize Square Financial Services’ third-party risk management and business continuity program
Define technical approaches for ambiguous, cross-team problem spaces in an early-stage program
Build and operate pipelines and integrations aggregating, normalizing, and joining risk, control, and asset signals
Translate standards and compliance requirements into policy-as-code
Design agentic AI workflows combining LLM reasoning with deterministic, auditable decision layers
Automate evidence collection and continuous control monitoring
Partner with Security, Procurement, Resilience, and Engineering teams to productize manual processes
Contribute to technical design discussions and evaluate platform security and reliability

Requirements

What you’ll need

Third-party risk management and business continuity experience
4+ years building production software in backend, platform, data, or software engineering
Multi-year ownership of a production system, including on-call, SLOs, and post-launch maintenance
Proficiency with at least one of Python, Kotlin, Java, or Go
Hands-on experience building with LLMs, including prompting, tool use, agents, or LLM-backed features
Experience with REST APIs, webhooks, authentication flows, and event-driven architectures
Experience pulling, normalizing, and joining data from multiple imperfect sources
Experience defining technical direction for ambiguous problems across team boundaries
Working knowledge of security or compliance frameworks such as PCI DSS, SOX, SOC 2, ISO 27001, or NIST is nice to have
Production-scale LLM or agentic systems experience is nice to have

Benefits

Comp & perks

Remote work
Medical insurance
Flexible time off
Retirement savings plans
Modern family planning
Reasonable accommodations throughout the recruitment process