Senior Software Engineer, Platform Security

Fastly operates an edge cloud platform that helps customers create digital experiences by processing, serving, and securing applications close to end users. The Senior Software Engineer, Platform Security will lead initiatives for internal authentication, identity, and access control systems, including architecture, scalable trust solutions, resilience, and security. The role also involves cross-functional collaboration and promoting engineering excellence.

Responsibilities:

• Work alongside peers to define the long-term vision for trust and identity infrastructure and translate it into tangible execution plans aligned with business goals
• Design and implement scalable internal trust solutions such as secrets management, PKI, and authentication services
• Own Complex Challenges: Tackle ambiguous, technically demanding initiatives with multiple stakeholders and organization-wide impactCross-Functional: Partner deeply with Product, Security, Compliance, and other Engineering teamsImpact Management: Proactively identify potential situations that could negatively affect the business or customers and develop strategies to mitigate these risks before they escalate
• Promote Engineering Excellence: Establish and evangelize technical standards, code quality, reliability, and operational maturity

Requirements:

• 5+ years of experience in a technical capacity as an individual contributor
• Team player in areas such as Privileged Access Management, workload identity management, LDAP, secrets management, or trust systems
• Strong systems engineering background with deep experience in Linux, networking, and distributed systems
• Demonstrated expertise in modern programming languages (e.g., Go, Python, Rust) and infrastructure tooling (e.g., Terraform, Vault, Consul, Chef)
• Excellent written and verbal communication skills, with the ability to clearly articulate complex technical concepts for varying audiences and produce clear and comprehensive documentation
• A collaborative mindset with experience working across cross-functional teams, fostering a culture of respect, knowledge sharing and innovation influencing technical decisions at the org level
• Implementing zero-trust architectures or identity-aware access proxies
• Designing scalable secrets lifecycle management workflows
• Working with PKI and certificate automation at scale
• Contributing to open source identity or security tooling
• Experience in cutting edge technologies (e.g. SPIFE/SPIRE, modern PAM tooling)