Principal Identity Platform Engineer — SaaS Security Leader

Francisco Partners; Belfast City District; On-site; GBP 120,000 - 180,000; Full time

Job summary

Black Duck Software, Inc. is seeking a Principal Software Engineer to lead identity, authentication, authorization, and access management platforms at scale.

You will drive architecture, design, and secure evolution of critical services supporting customers and internal teams. You will mentor engineers, set engineering standards, and influence cross‑functional direction while delivering reliable, high‑performing SaaS solutions.

Qualifications

• Bachelor's degree in CS, Engineering, or equivalent practical experience.
• 10+ years of software engineering experience with architecture and technical leadership.
• Extensive IAM/CIAM design, implementation, and operation experience.
• Hands-on experience with IAM platforms such as Auth0, Okta, Azure AD, or Ping Identity.
• Solid understanding of OAuth 2.0, OIDC, SAML, MFA, federation, and token-based security.

Responsibilities

• Lead the architecture, design, and evolution of enterprise-scale identity and access management solutions.
• Serve as technical authority for authentication, authorization, federation, and identity lifecycle management.
• Design and implement secure, scalable systems supporting multiple products and teams.
• Provide engineering guidance across cross-functional initiatives.
• Drive engineering excellence through reviews, mentoring, and best practices.
• Partner with engineering, product, security, and operations to deliver secure, reliable services.
• Lead investigations, evaluate emerging tech, and align solutions with business goals.
• Improve platform observability, performance, and operational efficiency.
• Influence long-term technology strategy and roadmap.
• Mentor engineers and technical leaders.
• Promote AI-assisted development tools and modern software engineering practices.
• Advance AI maturity by applying responsible AI to improve productivity and quality.

Skills

Architectural leadership

Security engineering

Cross-team collaboration

Mentoring

Education

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience

Tools

Auth0

Okta

Microsoft Entra ID (Azure AD)

Ping Identity

OAuth 2.0

OIDC

SAML

MFA

Job description

Black Duck Software, Inc. is seeking a Principal Software Engineer to lead identity, authentication, authorization, and access management platforms at scale.

You will drive architecture, design, and secure evolution of critical services supporting customers and internal teams. You will mentor engineers, set engineering standards, and influence cross‑functional direction while delivering reliable, high‑performing SaaS solutions.