Treasury Service Associate Jobs in Oxnard, CA (NOW HIRING)

At Amgen, if you feel like you’re part of something bigger, it’s because you are. Our shared mission—to serve patients living with serious illnesses—drives all that we do.

Since 1980, we’ve helped pioneer the world of biotech in our fight against the world’s toughest diseases. With our focus on four therapeutic areas –Oncology, Inflammation, General Medicine, and Rare Disease– we reach millions of patients each year. Amgen is advancing a broad and deep pipeline of medicines to treat cancer, heart disease, inflammatory conditions, rare diseases, and obesity and obesity-related conditions. As a member of the Amgen team, you’ll help make a lasting impact on the lives of patients as we research, manufacture, and deliver innovative medicines to help people live longer, fuller happier lives.

Our award‑winning culture is collaborative, innovative, and science based. If you have a passion for challenges and the opportunities that lay within them, you’ll thrive as part of the Amgen team. Join us and transform the lives of patients while transforming your career.

Senior Manager Tax Reporting

What you will do

Let’s do this. Let’s change the world. Amgen's Tax Reporting group is part of a world‑class tax department that provides global tax planning, transfer pricing, tax reporting, and tax audit defense for the Company. The Tax Reporting team is a critical function providing advice on tax accounting, tax rate forecasting, and the financial statement tax provision process. The group works closely with Finance, Accounting, Treasury, Tax Planning, Regional Tax, Transfer Pricing, and Tax Audit teams to prepare Amgen's financial statement tax provision and support U.S. federal, state, and U.S. International tax compliance.

The Senior Manager, Tax Reporting will report to the Tax Associate Director and will focus on two core areas: ASC 740 and U.S. International tax provision and compliance. This role will serve as a technical resource for ASC 740 matters, lead assigned components of the quarterly and annuals income tax provision, and help ensure material tax matters are identified, documented, and reflected accurately in financial reporting deliverables. The role will also review and analyze U.S. International tax provision and compliance matters, including topics such as GILTI, FDII, BEAT, foreign tax credits, Subpart F, Section 986(c), earnings and profits, and related international reporting requirements. This role will also support Domestic tax matters and special projects as needed.

The ideal candidate will have strong tax accounting knowledge, practical experience with U.S. International tax compliance and provision processes, keen analytical skills, and the ability to communicate technical tax concepts clearly to tax and non‑tax stakeholders. Experience with OneSource Tax Provision is preferred, and experience with OneSource Income Tax or similar compliance technology is helpful.

Key Responsibilities

• Lead assigned components of the quarterly and annual income tax provision process, including preparation and review of selected provision calculations, journal entries, account analyses, disclosures, and supporting workpapers.
• Serve as a technical reference point for ASC 740 questions, helping the team research, document, and apply tax accounting guidance to recurring and non‑routine matters.
• Assist with the identification and analysis of material provision items, including uncertain tax positions, valuation allowance considerations, tax law changes, acquisitions and divestitures, audit developments, transfer pricing matters, and tax planning initiatives.
• Collaborate with the Associate Director of Tax and relevant tax stakeholders to identify, analyze, and appropriately reflect material tax matters within assigned area.
• Coordinate and support assigned aspects of the international tax provision process, including review and analysis of foreign affiliate tax packages, local provision inputs, deferred tax matters, return‑to‑provision adjustments, and related documentation.
• Review and analyze U.S. international tax compliance calculations and reporting, including GILTI, FDII, foreign tax credits, Subpart F, BEAT, Section 986(c), earnings and profits & PTEP.
• Lead quarterly GILTI deferred tax accounting and reconciliations.
• Collaborate with Regional Tax, Transfer Pricing, Tax Planning, Tax Audit, Finance, Accounting, Treasury, Legal, and external service providers to understand business transactions and data flows that impact Amgen's provision and tax returns.
• Prepare and review memoranda or other documentation supporting conclusions for technical tax accounting, U.S. International tax, and non‑routine matters.
• Help maintain SOX‑compliant processes and audit‑ready workpapers for assigned provision and international tax areas.
• Identify and implement process improvements, automation opportunities, and control enhancements within assigned provision and international tax workstreams.
• Provide technical guidance, review comments, training, and day‑to‑day support to tax professionals on ASC 740 and U.S. International tax matters.
• Complete special projects and support other Tax Reporting initiatives as needed.

What we expect of you

We are all different, yet we all use our unique contributions to serve patients. The dynamic professional we seek is a project leader with these qualifications.

Basic Qualifications:

• Doctorate degree and 2 years of analytics experience in Tax Reporting

OR

• Master’s degree and 4 years of analytics experience in Tax Reporting

OR

• Bachelor’s degree and 6 years of analytics experience in Tax Reporting

OR

• Associate’s degree and 10 years of analytics experience in Tax Reporting

OR

• High school diploma / GED and 12 years of analytics experience in Tax Reporting

Preferred Qualifications

• Bachelor's degree or higher
• CPA, MST, JD, LLM, or other relevant advanced tax or accounting credential.
• 8+ years of tax experience with a strong emphasis on ASC 740 and tax reporting for a large multinational publicly traded company.
• Public accounting experience preferred
• Practical experience with both provision and compliance for international tax, including GILTI, FDII, foreign tax credits, Subpart F, Section 986(c), earnings and profits, BEAT, PTEP and Forms 5471, 8858, 8865, 8990, 8991, 8992, 8993.
• Strong U.S. GAAP background.
• Experience reviewing or preparing international tax calculations, return‑to‑provision analyses, deferred tax balances, and audit‑ready supporting documentation.
• Experience with OneSource Tax Provision; experience with OneSource Income Tax, SAP, Alteryx, or other tax technology tools is a plus.
• Strong research and documentation skills, including the ability to explain technical tax conclusions clearly and concisely.
• Ability to work in a cross‑functional team environment and communicate effectively across multiple levels of management.
• Strong project management skills with the ability to manage deadlines, competing priorities, and multiple stakeholders during provision and compliance cycles.
• Proactive ownership, collaborative problem‑solving approach, sound judgment, positive attitude, strong work ethic and the ability to operate effectively during time‑sensitive reporting cycles
• Experience in the pharmaceutical, biotechnology, life sciences, or high‑tech industry is helpful.

Key Capabilities

• Technical depth in ASC 740 with the judgment to identify when matters require elevation to the Associate Director or other tax leadership.
• Working knowledge of U.S. International tax rules and related compliance mechanics, with enough experience to review calculations, ask effective questions, and connect provision impacts to return positions.
• Translate complex tax concepts into clear implications for Tax Reporting and cross‑functional stakeholders, with appropriate escalation to tax leadership.
• Strong ownership mindset for assigned workstreams, including timely issue identification, clear escalation, and practical recommendations.
• Commitment to continuous improvement, automation, controls, and sustainable tax reporting processes.

As we work to develop treatments that take care of others, we also work to care for your professional and personal growth and well‑being. From our competitive benefits to our collaborative culture, we’ll support your journey every step of the way.

The expected annual salary range for this role in the U.S. (excluding Puerto Rico) is posted. Actual salary will vary based on several factors including but not limited to, relevant skills, experience, and qualifications.

In addition to the base salary, Amgen offers a Total Rewards Plan, based on eligibility, comprising of health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include:

• A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts
• A discretionary annual bonus program, or for field sales representatives, a sales‑based incentive plan
• Stock-based long‑term incentives
• Award‑winning time‑off plans
• Flexible work models where possible. Refer to the Work Location Type in the job posting to see if this applies.

In any materials you submit, you may redact or remove age‑identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Amgen does not have an application deadline for this position; we will continue accepting applications until we receive a sufficient number or select a candidate for the position.

Amgen anticipates accepting applications until 1 week before the posting; however, we may continue accepting applications beyond this date if we do not receive a sufficient number of candidates.

Sponsorship for this role is not guaranteed.

As an organization dedicated to improving the quality of life for people around the world, Amgen fosters an inclusive environment of diverse, ethical, committed and highly accomplished people who respect each other and live the Amgen values to continue advancing science to serve patients. Together, we compete in the fight against serious disease.

Amgen is an Equal Opportunity employer and will consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or any other basis protected by applicable law.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.