Senior Manager, Accounting

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: 11/10/26

Anticipated Posting Close Date*: 1/1/26

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

Senior Manager, Accounting 

Fastly’s Accounting team is looking for an impact-driven Senior Manager, Accounting with a strong public company background to help shape how we close, consolidate, and scale our Controllership organization. Reporting to the Assistant Corporate Controller, you will lead and mentor a high-performing team responsible for orchestrating the consolidated US GAAP month-end close and overseeing critical operational accounting areas—including operating expenses, sales commissions, cash and investments, and network infrastructure assets.

This is a high-impact role for an experienced accounting leader who pairs deep technical and operational acumen with the ability to translate complex financial data into actionable business insights. The ideal candidate leads with strong operational instincts and brings a proven track record in close orchestration, team mentorship, workflow automation, and cross-functional partnership across a global organization.

What You'll Do:

• Leadership & Team Development: Lead, mentor, and develop a team of accounting professionals, setting clear operational priorities, balancing close workloads, and fostering professional growth.

• Close Management: Direct the end-to-end monthly and quarterly close cadence for Fastly’s primary consolidated US GAAP reporting—governing the close calendar, checklists, recurring allocations, journal entry workflows in compliance with SOX and internal accounting policies.

• Network Infrastructure & Fixed Assets Governance: Provide strategic oversight for global network hardware and capital assets—to govern capitalization thresholds, multi-location CIP-to-in-service timing, and ASC 360 impairment/disposal evaluations alongside our Global Network Infrastructure and FP&A leaders. 

• Operating Expenses & FP&A Alignment: Direct end-to-end OpEx accounting workflows—partnering closely with FP&A and business leaders to evaluate spend trends, validate complex vendor accruals, anticipate variance drivers, and deliver complete, accurate monthly reporting.

• Commissions Accounting: Supervise the accounting, policy application, and monthly amortization models for deferred contract acquisition costs in close coordination with the Commissions team and FP&A.

• Cash, Investments & Treasury Accounting: Direct timely and accurate domestic and global operating cash reconciliations and corporate investment portfolio accounting (ASC 320 / ASC 820), verify