Principal Security Engineer (Product & Business Enablement)

mariner-careers; United States; Remote; USD 170,000 - 250,000; Full time

Job summary

mariner-careers is seeking a senior security architecture partner to guide business, product, data, and tech teams in designing practical safeguards across SaaS platforms, APIs, data flows, integrations, and AI-enabled workflows.

You will shape secure designs early in development, translate security needs into tradeoffs, and mentor teams while maintaining delivery momentum. The role emphasizes collaboration and practical risk-based decisions.

Qualifications

• Bachelor's degree in a relevant discipline or equivalent practical experience.
• 10+ years across security architecture, cloud or SaaS security, solutions architecture, software engineering, or SRE/DevOps, including at least five years in a dedicated security role.
• Demonstrated experience securing distributed systems that use SaaS, APIs, integrations, identity services, and third parties.
• Ability to quickly understand unfamiliar architectures, assess material risks, and recommend actionable controls.
• Experience partnering with business, product, and engineering stakeholders and explaining security tradeoffs in context.
• Strong systems thinking, communication, facilitation, and technical judgment.

Responsibilities

• Review end-to-end system designs to identify trust boundaries, sensitive data movement, and likely failure modes.
• Facilitate architecture and threat reviews, recording decisions and remaining risks.
• Create and maintain reusable secure design patterns for SaaS, APIs, integrations, credentials, authorization, data movement, and AI workflows.
• Join product and technology planning early, translating security needs into workable designs and tradeoffs.
• Advise on vendor assessments and SaaS selection, and collaborate with platform, identity, and infrastructure teams on automated controls and observability.
• Support AI product security, enterprise data initiatives, technology onboarding, and security education through office hours and training.

Skills

Security architecture

Cloud security

SaaS security

Solutions architecture

Software engineering

SRE/DevOps

Stakeholder communication

Technical judgment

Education

Bachelor's degree

Job description

Role overview

Act as a senior security architecture partner to business, product, data, and technology teams. The role focuses on shaping practical safeguards early in solution design across SaaS platforms, applications, APIs, data flows, integrations, and AI-enabled workflows, helping teams make informed decisions while maintaining delivery momentum.

Responsibilities

• Review end-to-end system designs to identify trust boundaries, sensitive data movement, and likely failure modes.
• Facilitate architecture and threat reviews, recording decisions and remaining risks.
• Create and maintain reusable secure design patterns for SaaS, APIs, integrations, credentials, authorization, data movement, and AI workflows.
• Join product and technology planning early, translating security needs into workable designs and tradeoffs.
• Advise on vendor assessments and SaaS selection, and collaborate with platform, identity, and infrastructure teams on automated controls and observability.
• Support AI product security, enterprise data initiatives, technology onboarding, and security education through office hours and training.

Requirements

• Bachelor's degree in a relevant discipline or equivalent practical experience.
• 10+ years across security architecture, cloud or SaaS security, solutions architecture, software engineering, or SRE/DevOps, including at least five years in a dedicated security role.
• Demonstrated experience securing distributed systems that use SaaS, APIs, integrations, identity services, and third parties.
• Ability to quickly understand unfamiliar architectures, assess material risks, and recommend actionable controls.
• Experience partnering with business, product, and engineering stakeholders and explaining security tradeoffs in context.
• Strong systems thinking, communication, facilitation, and technical judgment.

Nice to have

• Hands-on engineering or architecture experience; familiarity with data classification, DLP, encryption, or governance; work in regulated sectors, financial services, or M&A integrations; and security certifications such as CISSP, CCSP, or CSSLP.

Benefits and work setup

Remote-first environment with travel below 10%. The role is a senior individual contributor position with broad technical influence and mentorship responsibilities.