Senior Software Engineer, Platform Security

The posting, as Fastly wrote it

Fastly helps people stay better connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers’ applications as close to their end-users as possible — at the edge of the Internet. The platform is designed to take advantage of the modern internet, to be programmable, and to support agile software development. Fastly’s customers include many of the world’s most prominent companies, including GitHub, Yelp, Paramount, and JetBlue.

We're building a more trustworthy Internet. Come join us.

Posting Open Date: 10/06/2026

Anticipated Posting Close Date*: 01/30/2027

*Job posting may close early due to the volume of applicants.

Senior Software Engineer, Platform Security

Fastly is seeking a Senior Engineer to represent our Platform Security team, with a specialized focus on Trust and Identity infrastructure. This is a high-impact individual contributor role for a technically exceptional engineer with deep experience in secure platform services at incredible scale.

You will drive the execution of initiatives foundational to Fastly’s internal authentication, identity, and access control systems. This position is ideal for someone who thrives on solving complex problems, guiding architecture, and is passionate about resilience —while keeping systems secure and scalable.

You will help shape Fastly’s internal trust architecture for years to come.

What You'll Do

• 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

What We're Looking For

• 5+ years of experience in a technical capacity as an individual contributorTeam 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)
• Passionate about demos, feedback-driven work
• Excellent written and verbal communication skills, with the ability to clearly articulate complex t

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looking for humble, sharp, and creative folks to join the Fastly team. If you think you might be a fit please apply! A fully completed application and resume or CV are required when applying.

All job applications must be submitted through our official careers site at www.fastly.com/about/careers . We will never request sensitive information, such as your Social Security number, bank account or credit card information during the application process. All official communication will come from an @ fastly.com or @ recruiting.fastly.com email address.

Fastly is committed to ensuring equal employment opportunity and to providing employees with a safe and welcoming work environment free of discrimination and harassment. Our employment decisions are based on business needs, job requirements and individual qualifications. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, family or parental status, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Consistent with the Americans with Disabilities Act (ADA) and federal or state disability laws, Fastly will provide reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact your Recruiter, or the Fastly Employee Relations team at candidateaccommodations@fastly.com or 501-287-4901.

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