Senior Accountant

Boeing•El Segundo, CA

4d•Onsite

About The Position

Senior Accountant Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen. Job Summary: As Senior Accountant , you will be responsible for overseeing key accounting functions, ensuring accurate financial reporting, and supporting strategic decision‑making. The ideal candidate brings strong technical expertise, excellent analytical skills, and the ability to work both independently and collaboratively in a fast‑paced environment. This position will work closely with Supply Chain, Contracts, Payroll, Program Finance, Accounts Payable, Financial Planning & Analysis, Cost Policy and Boeing Accounting Business Units (ABUs) while reporting directly to the Director of Business Operations who reports to the Chief Financial Officer. This position is fully onsite at our office in El Segundo, California. This position’s internal job title is Accountant. Our team is currently hiring for Level 4.

Requirements

Bachelor’s degree or higher in accounting
Minimum of 7 years’ experience with Finance and Accounting Systems and Processes
Intermediate Skills using Microsoft Excel
Strong analytical, organizational and communication skills
Applicants MUST be U.S. citizens and eligible for a security clearance.
Additionally, applicants must be willing to apply for and maintain a security clearance.

Nice To Haves

Deltek Costpoint or similar ERP system experience
Experience in aerospace and defense or other government contractors desired
Ability to prioritize and to manage time effectively
CPA License

Responsibilities

Maintain and oversee the general ledger, ensuring accuracy and adherence to GAAP, CAS, FAR, DFAR
Support month‑end, Quarter-end, and year‑end close processes to ensure timely and accurate reporting
Prepare and review monthly/quarterly/annual journal entries
Perform complex account reconciliations and resolve discrepancies
Conduct accounting research for unusual or complex transactions
Support the capital assets / fixed assets revamp initiative and take ownership of the new capital asset processes and procedures.
Collaborate with property management to locate existing assets and minimize potential write-offs
Provide support for ad-hoc requests and broaden company initiatives as needed
Assist with and stabilize the remaining payroll responsibilities, including troubleshooting ETS data issues
Review account activity and balances proactively and on a regular basis to prevent last‑minute corrections
Analyze financial data to identify trends, variances, and opportunities for improvement
Prepare capital assets / fixed assets, monthly, quarterly and yearly schedules for corporate reporting
Prepare monthly rent accruals and incoming sublease rent invoice
Maintain Contract Liabilities schedule and prepare monthly journal entries to liquidate the balance by revenue earned on the program
Analyze and reconcile Unbilled and Contract Liability ending balance by program
Research transactions and create reports to present to management for correction of cost reclassification, transfer, and other special projects
Cross train with other team members to provide support during vacations
Support internal and external audits and Incurred Cost Submission to DCAA
Process improvements to automate manual processes and facilitate quicker analysis