Senior Software Engineer

Who you are

• 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 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)

What the job involves

• 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
• 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

The application process

• Posting Open Date: 10/06/2026
• Anticipated Posting Close Date*: 01/30/2027
• Job posting may close early due to the volume of applicants
• If you think you might be a fit please apply! A fully completed application and resume or CV are required when applying

Benefits

• Parental support and beyond: We support our families by offering generous time off for parental leave. And beyond that, we work hard to build a culture that allows for all employees to have the life outside work that they desire year round.
• Health and wellness: Your well-being matters here. Our health plans offer a variety of options, including full medical, dental, and vision coverage, short- and long-term disability insurance, mental health resources, and more.
• Invest in your future: We offer 401(k)/retirement plans, employee stock purchasing plans (ESPP), and reimbursements for learning and development programs — so we can support your ongoing growth and success.
• Keep learning and growing: Helping people go further means nurturing their talent. Through annual reimbursements for employee learning activities, regular hangouts and advice from our Senior Staff, talks from industry leaders, and cultural events — we offer tons of opportunities for people to learn. And we’re always looking to grow as a company, too: we collect employee engagement and experience data annually and leverage our Employee Experience Champion Network to understand employee feedback, so we can keep improving.