Chief of Staff to the CAO

United States·New YorkFull-timelead

OtherOf Staff

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Overview

US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls.

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OtherOf Staff

US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls.

We're getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price point. 24/7 customer support with real people, empowered to help. We get real-time feedback from Reddit, surveys, and customer support informing product roadmaps and everything we do. It's working. We're The Wirecutter's favorite cellular carrier, and Consumer Reports has named us the top-rated mobile carrier two years in a row.*

And we're building innovative systems that scale. A network agnostic tech stack. Agile, cross-functional teams built on trust and mutual respect. A finance organization that runs on AI. This work isn't for everyone. If you work fast, flexibly, and collaboratively, without compromising standards, we want to hear from you.

As Chief of Staff to the Chief Accounting Officer (CAO), you will be the CAO's strategic and operational right hand across a $300M+ revenue, 700-person company operating in the US, Canada, the Netherlands and Pakistan. The CAO's organization spans finance, accounting, HR, legal, compliance and operations. You will own two things outright:

What We Offer

~1 min read

Full map of every budget, budget owner and current spend across the company.

Risk register v1 built, rated and reviewed with the CAO.

Compliance and audit calendar built with every deadline and owner for the next 12 months.

Insurance program reviewed, renewal dates and gaps identified.

✓Full map of every budget, budget owner and current spend across the company.

✓Risk register v1 built, rated and reviewed with the CAO.

✓Compliance and audit calendar built with every deadline and owner for the next 12 months.

✓Insurance program reviewed, renewal dates and gaps identified.

One annual budget cycle run end to end, company-wide, with documented assumptions for every department.

Monthly budget-vs-actual delivered within 10 business days of month end, every month.

Zero missed compliance or filing deadlines.

At least one major recurring process (reporting, monitoring or follow-up) fully automated.

5 to 8 years of experience in finance, consulting, investment banking, private equity, or a rigorous strategy or operations role at a high-growth company.

Degree from a top-tier university. MBA welcome but not required.

Has personally owned a budget and a budget-vs-actual cycle, and can walk through the reasoning behind the numbers.

Has personally run at least one of: an audit, a compliance program, an insurance renewal, or a risk assessment.

Exposure to multi-entity or multi-country operations is a strong plus. Telecom, fintech or other regulated industry experience is a plus, not a requirement.

No CPA or CA required. We are hiring for sharpness, energy and ownership, not credentials.

Financially fluent. Comfortable with budgeting, variance analysis and financial modeling. Strong Excel. SQL and BI tools a plus.

AI-native. Uses AI tools daily and can build, not just use, automated workflows. Our finance team runs on Claude, Hex and internal agents. This is a hard requirement.

Roadmapping. Can take an open-ended goal and turn it into a structured plan with milestones, owners and dependencies.

Proactive communicator. Reaches out first, follows up without being prompted, comfortable with people at every level and with external partners.

Meticulous. Verifies numbers against source. Documents reasoning. Does not assume. Asks the question rather than guessing.

Adaptable. Thrives on shifting priorities and ambiguity.

Sharp and energetic. Fast learner, high output, brings momentum to everything they touch.

Entrepreneurial. Takes ownership and creates value rather than waiting for direction.

Collaborative. Brings people together across departments to get things done.

High integrity. Trustworthy and discreet, given regular exposure to sensitive financial, legal and HR information.

Sage Intacct, Brex, Stripe, Hex, Justworks, Notion, Slack, Google Workspace, Claude and internal AI agents.

Impact. Work hand-in-hand with the CAO to shape the financial backbone of a rapidly scaling Super Carrier.

Exposure. Deep visibility into finance, accounting, risk, legal, HR and operations company-wide. This role is a launchpad into senior operating or finance leadership.

Growth. Competitive compensation and benefits, plus significant opportunities for professional development.

Culture. A forward-thinking, mission-driven environment that values bold ideas and fosters innovation.