JobsBackendSenior Cloud Security Engineer - InfoSec
Mercury

Mercury

ยท

Backend

Senior Cloud Security Engineer - InfoSec

RemoteSeniorPosted Aug 17, 2026
AWSTerraformPythonKubernetesDocker+7 more

About this role

Design cloud security systems, guardrails, and automation that protect billions in customer assets while enabling engineering velocity at a fintech company. Build invisible infrastructure supports across AWS with zero trust, least privilege, and resilience principles.

Must have

5+ years experience in cloud security, networking, or information security

Familiarity with security frameworks and privacy regulations such as NIST CSF, FFIEC, SOX, SOC2, GLBA, ISO27018, PCI-DSS

Understanding of accepted security practices, troubleshooting issues, and attack vectors

Experience with infrastructure as code tooling

AWS certifications are encouraged

Strong desire to learn and grow with proven track record

Technologies

PythonAWSGitDockerRESTLinuxTerraformJSONCloudFormationIaCKubernetesCI/CD

Responsibilities

Build and define cloud security posture and enable cyber resilience

Support zero trust initiatives across the organization

Work with infrastructure and engineering teams to improve cloud reliability and security

Automate cloud security controls to minimize threats, vulnerabilities, and risk

Shape AWS cloud architecture around resilience, least privilege, and maintainability

Address remote access challenges in a remote-first environment

Collaborate with teams across Mercury to solve security, privacy, and compliance challenges

Benefits

EquityPaid parental leaveHealth insuranceDental insuranceVision insuranceCompetitive salary and stock option planFlexible PTORemote work

Recruitment process

1

Fintech company providing banking services through Choice Financial Group and Column N.A.

2

Total rewards package includes base salary, equity, and benefits

3

Compensation ranges updated regularly using industry survey data

4

Equal Employment Opportunity employer committed to diversity and belonging

5

Reasonable accommodations available throughout recruitment process