Security Engineer – Business Continuity & Risk

This is a fully remote position, open to applicants in California.

📋 Description

• Take charge of and implement Square Financial Services’ third-party risk management and business continuity program.

• Establish technical strategies for uncertain, cross-team challenges within an early-stage program.

• Develop and manage pipelines and integrations that aggregate, normalize, and connect risk, control, and asset signals.

• Convert standards and compliance requirements into policy-as-code.

• Create agentic AI workflows that integrate LLM reasoning with deterministic and auditable decision-making layers.

• Streamline evidence collection and ongoing control monitoring through automation.

• Collaborate with Security, Procurement, Resilience, and Engineering teams to transform manual processes into productized solutions.

• Engage in technical design discussions and assess platform security and reliability.

⛳️ Requirements

• Experience in third-party risk management and business continuity.

• Over 4 years of experience in building production software in backend, platform, data, or software engineering.

• Multi-year responsibility for a production system, which includes on-call duties, SLOs, and post-launch maintenance.

• Proficient in at least one programming language: Python, Kotlin, Java, or Go.

• Practical experience with LLMs, including prompting, tool utilization, agents, or LLM-driven features.

• Familiarity with REST APIs, webhooks, authentication flows, and event-driven architectures.

• Experience in extracting, normalizing, and integrating data from various imperfect sources.

• Proven ability to define technical direction for ambiguous issues across team boundaries.

• Knowledge of security or compliance frameworks such as PCI DSS, SOX, SOC 2, ISO 27001, or NIST is a plus.

• Experience with production-scale LLM or agentic systems is an added advantage.

🏝️ Benefits

• Remote work.

• Medical insurance.

• Flexible time off.

• Retirement savings plans.

• Modern family planning.

• Reasonable accommodations throughout the recruitment process.