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Senior Accountant

  • San Mateo, CA
  • Accounting & Finance
  • Full-Time
Come join the battle against bad bots!!

We are hiring a Senior Accountant who will be a key member of the Finance team and will be hands-on in supporting the company’s month-end and day to day accounting operations. The Senior Accountant will be responsible for close activities, reconciling general ledger accounts, and participating in special projects within the Accounting team. This role will report to the Senior Accounting Manager.

What you will do:

  • Perform US month-end and year-end close through close collaboration with the Accounting Manager
  • Manage the posting of journal entries and reconciliation of General Ledger accounts
  • Balance sheet account reconciliations, accruals, and overall maintenance of operational accounts
  • Thoroughly understand financial statements, GAAP, and our reporting process
  • Deliver timely and accurate financial results to our FP&A team
  • Collaborate with management to complete special projects, ad-hoc requests, and other assigned tasks
  • Assist with our annual audit process

What you bring to this position:

  • Bachelor’s Degree in Accounting or Finance
  • 3+ years of full-cycle accounting experience
  • You have a thorough understanding of US GAAP
  • Strong proficiency with Microsoft Office, specifically Excel
  • You’ve held a role in the E-Commerce and/or manufacturing industry; preferred
  • You have strong analytical skills and great attention to detail
  • You pride yourself on having great time management skills
  • You are highly adaptable and comfortable wearing multiple hats

Your past colleagues would describe you as:

  • Accountable with strong analytical skills and attention to detail
  • The ability to be resourceful, curious, and collaborative
  • Excellent organizational and time management abilities
  • Tech-savvy and a quick learner
  • The ability to thrive in a dynamic start-up environment


  • CPA license
  • Experience working in a start-up, high-tech, high growth company
  • Big 4 experience SAAS industry experience
  • Familiarity with Netsuite

Why should you join PerimeterX team...

  • A platform to learn about Cyber Security while working with industry-leading technology
  • A chance to work with some of the most well-known brands in e-commerce, travel, hospitality, retail, and enterprise SaaS
  • Catered lunch and dinners every day
  • Plenty of yummy snacks and drinks
  • Lots of coffee (or Red Bull) to keep you going all day
  • In/Out of Office happy hours
  • Quarterly out of the office events
  • Automatic cell phone allowance
  • Spacious and freshly remodeled office in San Mateo
  • Standup desks
  • Fresh PerimeterX SWAG
PerimeterX is the leading provider of application security solutions that keep your web business safe in the complex digital world. Delivered as a service, the company’s Bot Defender, Code Defender, and Page Defender solutions detect risks to your web applications and proactively manage them, freeing you to focus on growth and innovation. Bringing together an elite engineering team, security research to continually update its solutions with current intelligence, and best-in-class customer enablement and support, the world’s largest and most reputable websites and mobile applications count on PerimeterX to safeguard their consumers’ digital experience. PerimeterX has offices in San Mateo, California, Miami, Florida and Tel Aviv, Israel. You can also find us on the web at www.perimeterx.com.