Technical Accounting Manager, Sec Reporting, Garden Grove

Technical Accounting Manager, Sec Reporting
Garden Grove, CA
Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation.
Harbinger's best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids.
Harbinger: Familiar Form, Revolutionary Foundation.
We are seeking a Technical Accounting Manager, SEC Reporting to help lead our public company readiness and build the foundation for external reporting, technical accounting, and financial transparency.
This role will work closely with executive leadership, external auditors, and legal counsel to ensure Harbinger meets the highest standards of financial reporting and compliance.
What You'll Do
Lead Public Company Readiness
Support the company's preparation for a potential IPO and public company reporting requirements
Assist in drafting Form S-1, including financial statements, MD&A, and disclosures
Build scalable SEC reporting processes, calendars, and controls
Partner with legal, investor relations, and external advisors during IPO preparation
Own External Financial Reporting
Prepare and review SEC filings, including:
Form 10-K
Form 10-Q
8-K
Earnings releases and investor materials
Ensure financial statements comply with U.S. GAAP and SEC disclosure requirements
Coordinate the preparation of footnotes, technical accounting memos, and disclosure checklists
Partner with Auditors & Advisors
Serve as a primary contact for external auditors and technical accounting advisors
Support quarterly reviews and annual audits
Assist with complex accounting areas and disclosure matters
Technical Accounting & Policy Development
Research and document technical accounting issues
Draft accounting memos related to new or complex transactions
Assist in implementing accounting standards and SEC reporting policies
Strengthen Internal Controls
Support development of SOX-ready processes and documentation
Assist with establishing internal controls over financial reporting
Collaborate with accounting and finance teams to improve reporting workflows
What We're Looking For
Required Qualifications
58+ years of experience in accounting or financial reporting
Big Four public accounting experience strongly preferred
Experience with SEC reporting and public company filings
Strong knowledge of U.S. GAAP and SEC disclosure requirements
Experience preparing or reviewing 10-K and 10-Q filings
Highly Preferred
Experience supporting or participating in an IPO process
Experience with S-1 preparation
Experience working with high-growth companies or public company readiness
Experience with financial reporting systems
What Makes You Successful in This Role
Detail-oriented with a strong commitment to accuracy and transparency
Comfortable working in a fast-moving, startup environment
Ability to translate complex accounting topics into clear disclosures
Strong cross-functional communication with legal, finance, and executive leadership
Ownership mentality and ability to build processes from scratch
Key Benefits & Perks: Comprehensive Health, Dental & Vision (HDV) 100% employee covered Early-stage Stock Options Robust Retirement Savings (401k, HSA, FSA) Generous Paid Time Off (PTO) & Parental Leave Annual Vacation Bonus Wellness & Fertility Benefits Cell Phone Stipend Complimentary Meals & Stocked Kitchens
California Pay Range
$140,000 - $180,000 USD