Staff Accountant

Company Overview

TENEX is an AI-native, automation-first, built-for-scale Managed Detection and Response (MDR) provider. We are a force multiplier for defenders, helping organizations enhance their cybersecurity posture through advanced threat detection, rapid response, and continuous protection. Our team is composed of industry experts with deep experience in cybersecurity, automation, and AI-driven solutions. Backed by leading investors, we are rapidly growing and seeking top talent to join our mission of revolutionizing the AI-Native MDR landscape.

We’re a fast growing startup backed by industry experts and top tier investors led by Crosspoint Capital Partners and also backed by Shield Capital, DTCP (formerly Deutsche Telekom Capital Partners), Deepwork Capital, and the Florida Opportunity Fund. Seed round led by Andreessen Horowitz (a16z). As an early employee, you’ll play a meaningful role in defining and building our culture. Get in on the ground floor. We’re a small but well-funded team that just raised a substantial round – joining now comes with limited risk and unlimited upside.

Culture is one of the most important things at TENEX.AI. Explore our culture deck at culture.tenex.ai to see how we embody it, prioritizing the irreplaceable collaboration and community of in-person work.

About the Role

We are looking for an Accountant to support the day-to-day accounting function at TENEX as we scale. Reporting to the Director of Finance / Operations, you will be a hands-on contributor across month-end close, the general ledger, and accounts payable and receivable — helping ensure the integrity of our books and the timeliness of our close.

This is a high-impact role for someone with two or more years of accounting experience who takes pride in accurate, on-time books and wants to help build scalable processes from an early stage. You will partner across the business with sales operations, procurement, and external vendors and customers, and you’ll have room to grow your scope as the accounting team expands.

Core Responsibilities

Financial Close & General Ledger

• Prepare journal entries, accruals, prepaid amortization, and depreciation as part of the monthly and quarterly close.

• Reconcile general ledger accounts — including cash, prepaids, accruals, and AP/AR subledgers — and research reconciling items.

• Maintain the accuracy and completeness of the GL, supporting a timely close against established timelines and checklists.

• Help maintain the chart of accounts to support scalable, audit-ready reporting.

Accounts Payable, Accounts Receivable & Cash

• Manage the order-to-cash cycle: customer invoicing, billings, cash application, and collections and aging follow-up.

• Review employee expense reports and corporate card activity for policy compliance and proper coding.

• Own the full accounts payable cycle: vendor onboarding, bill and invoice processing, approval workflows, payment runs, and 1099 support, leveraging a highly automated system to process.

• Respond to vendor and customer inquiries professionally, researching and resolving discrepancies promptly.

Compliance, Audit & Process

• Support preparation for the annual financial statement audit by compiling schedules and supporting documentation..

• Ensure that work complies with US GAAP and applicable federal and state tax requirements.

• Identify and implement opportunities to streamline and automate AP/AR and close processes, including AI-enabled workflows.

Experience

• Bachelor’s degree in Accounting, Finance, or a related field.

• 2+ years of progressive accounting experience; SaaS, technology, or high-growth environments preferred.

• Solid understanding of US GAAP

• Hands-on experience with cloud-based accounting platforms and ERPs (e.g., QuickBooks, Rillet, NetSuite, or equivalent).

• Advanced proficiency in Excel or Google Sheets; comfortable working with large data sets and building reusable reporting.

• Salesforce experience is a plus, particularly for deal-processing workflows.

• Detail-oriented self-starter with strong organization and the ability to meet recurring deadlines.

• Clear, confident communicator able to translate accounting concepts for non-finance stakeholders.

• Naturally curious, highly collaborative, and comfortable operating in a fast-changing environment.

Why Join Us?

• Opportunity to work alongside a talented, mission-driven team at the forefront of AI-driven cybersecurity

• Direct access to leadership with meaningful ownership over your work from day one

• First dedicated accounting hire — build the function and the team from the ground up

• Competitive salary and benefits package

• A culture of growth and development, with room to expand your scope as the company scales