<div>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 Vimeo, Pinterest, The New York Times, and GitHub. Were building a more trustworthy Internet. Come join us.</div>Posting Open Date: Aug. 28, 2025 Anticipated Posting Close Date*: Sept. 20, 2025 *Job posting may close early due to the volume of applicants. Staff Software Engineer - Network Functions and Architecture We are looking for a talented Staff level Engineer to help design and build the next generation of Fastly’s network telemetry and traffic engineering systems. You will be responsible for designing and building distributed systems to collect network data at large scale via passive and active measurements, process data efficiently and cost-effectively, and use the results to make real-time network configuration decisions for load balancing, traffic engineering and failover purposes.  What Youll Do: <ul> <li>Lead full lifecycle projects from design and development through roll out and maintenance to build systems that make automated network configuration decisions for load balancing, traffic engineering and failover purposes, </li> <li>Design and build systems to collect, normalize, enrich, transport, and process data from heterogeneous sources across a rapidly scaling network</li> <li>Study and apply concepts from control theory, optimization and statistics to tackle traffic engineering problems</li> <li>Design and build pipelines for generating, testing and deploying changes to distributed systems that control Fastlys edge network</li> <li>Design and build software systems to run on network equipment for controlling their dataplane configuration</li> <li>Technical leadership of full lifecycle projects, driving project progress and collaborating with project stakeholders - Coordinate and communicate with the team members and across other technical and cross functional teams</li> <li>Write code that is performant, maintainable, clear, and concise and contribute to code reviews, improving the codebase and other team processes</li> <li>Mentor and support other engineers, fostering a culture of knowledge sharing, innovation, and collaboration within the team</li> <li>Participate in on-call rotation as needed</li> </ul> What Were Looking For:  <ul> <li>Significant professional experience building high-reliability distributed systems. Most Staff Engineers at Fastly have more than 7 years of related experience.</li> <li>Solid understanding of the Go programming language</li> <li>Consistent track record of designing and implementing large-scale and mission-critical distributed software systems</li> <li>Understanding of the challenges involved in building, operating, and maintaining scalable and reliable data processing systems</li> <li>Experience mentoring, guiding, and coaching team members</li> <li>Ability to learn new skills and share what you’ve learned with the broader team</li> </ul> We’ll be super impressed if you have experience in any of these:  <ul> <li>Real-world experience in the protocols and practices that make up the fabric of the global internet, including IP, BGP, Anycast, and DNS</li> <li>Understanding of control theory, optimization, probability or statistics as well as experience applying them to novel problems</li> <li>Experience working with geographically dispersed teams: previous remote work preferred</li> <li>Experience in network telemetry including instrumenting infrastructure and collecting, processing, storing and analyzing data</li> <li>Experience writing production-level code using the Rust programming language</li> </ul>   Work Hours: This position will require you to be available during core business hours and occasional nights and weekends as necessary to support the on-call rotation. Work Location(s) &amp; Travel Requirements: This position is open to the following office locations: <ul> <li>San Francisco, CA</li> <li>New York, NY</li> <li>Denver, CO</li> </ul> Fastly currently embraces a largely hybrid model for most roles which allows employees flexibility to split their time between the office and home. We may consider exceptionally qualified candidates who are remote in the US. This position may require travel as required by your role or requested by your manager. SF / LA Fair Chance Ordinance Statement Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Salary:  The estimated salary range for this position is $195,720 to $234,864 Starting salary may vary based on permissible, non-discriminatory factors such as experience, skills, qualifications, and location. This role may be eligible to participate in Fastly’s equity and discretionary bonus programs. Benefits:  We care about you. Fastly works hard to create a positive environment for our employees, and we think your life outside of work is important too. We support our teams with great benefits that start on the first day of your employment with Fastly. Curious about our offerings?  We offer a comprehensive benefits package including medical, dental, and vision insurance. Family planning, mental health support along with Employee Assistance Program, Insurance (Life, Disability, and Accident), a Flexible Vacation policy and up to 18 days of accrued paid sick leave are there to help support our employees. We also offer 401(k) (including company match) and an Employee Stock Purchase Program. For 2025, we offer 11 paid local holidays, 11 paid company wellness days. <div>Why Fastly? <ul> <li> We have a huge impact. Fastly is a small company with a big reach. Not only do<a href="https://www.fastly.com/customers" target="_blank"> our customers</a> have a tremendous user base, but we also support a growing number of<a href="https://www.fastly.com/open-source/" target="_blank"> open source projects and initiatives</a>. Outside of code, employees are encouraged to share causes close to their heart with others so we can help lend a supportive hand. </li> <li> We love distributed teams. Fastly’s home-base is in San Francisco, but we have multiple offices and employees sprinkled around the globe. As a new hire, you will be able to attend our IN-PERSON new hire orientation in our San Francisco office! It is an exciting week-long experience that we offer to new employees to build connections with colleagues across Fastly, participate in hands-on learning opportunities, and immerse yourself in our culture firsthand.  </li> <li> We value diversity. Growing and maintaining our inclusive and diverse team matters to us. We are committed to being a company where our employees feel comfortable bringing their authentic selves to work and have the ability to be successful -- every day. </li> <li> We are passionate. Fastly is chock full of passionate people and we’re not ‘one size fits all’. Fastly employs authors, pilots, skiers, parents (of humans and animals), makeup geeks, coffee connoisseurs, and more. We love employees for who they are and what they are passionate about. </li> </ul> We’re always 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. 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 <a href="mailto:candidateaccommodations@fastly.com">candidateaccommodations@fastly.com</a> or 501-287-4901.  Fastly collects and processes personal data submitted by job applicants in accordance with our<a href="https://www.fastly.com/privacy" target="_blank"> Privacy Policy</a>. Please see our<a href="https://www.fastly.com/privacy-job-applicants" target="_blank"> privacy notice for job applicants</a>.</div>