Use Your Power for Purpose At Pfizer, we believe that every role contributes to our mission of improving patients' lives. Whether you are involved in the design and development of manufacturing processes or supporting the upkeep of critical systems, engineering is crucial to ensuring customers and patients receive the medicines they need. By collaborating with our forward-thinking engineering team, you will help accelerate the delivery of medicines to the world. What You Will Achieve In this role, you will: • Support the operation, maintenance, reliability, and lifecycle management of site electrical utility, power distribution, and emergency power systems, including substations, transformers, switchgear, uninterruptible power supply (UPS) systems, and emergency generators. • Support electrical capital and infrastructure projects through design reviews, field investigations, construction support, commissioning, and project closeout activities. • Provide engineering support for the development of scopes of work, project execution plans, and engineering studies for equipment installation or modification. • Provide field engineering support during maintenance, troubleshooting, commissioning, outages, and capital project execution activities. • Maintain and update electrical one-line diagrams, equipment databases, panel schedules, power monitoring systems, maintenance plans, and other engineering documentation. • Ensure engineering and maintenance activities are performed in accordance with Current Good Manufacturing Practices (cGMP), applicable standard operating procedures (SOPs), quality requirements, electrical safety standards, and regulatory requirements. • Assist with electrical engineering studies, including load flow, short-circuit, voltage drop, protective device coordination, and arc-flash analyses. • Support electrical asset condition assessments, preventive maintenance optimization, equipment criticality reviews, and obsolescence planning activities. • Participate in Root Cause Failure Analysis investigations and update equipment reliability plans in collaboration with Production and Quality team leads. • Promote workplace safety by following site safety procedures and performing proactive safety assessments. • Actively participate in site and corporate initiatives. Here Is What You Need (Minimum Requirements) • Applicant must have a bachelor's degree with at least 2 years of experience; OR a master's degree with 0+ years of experience; OR an associate's degree with 6 years of experience; OR a high school diploma (or equivalent) and 8 years of relevant experience • Knowledge of or experience with medium-voltage electrical distribution systems, including design, operation, maintenance, or project support. • Working knowledge of applicable electrical codes and safety standards, including NFPA 70, NFPA 70E, and relevant OSHA electrical safety requirements. • Experience with Root Cause Failure Analysis, Equipment Criticality Ranking, preventive and predictive maintenance optimization, and/or Failure Modes and Effects Analysis. • Working knowledge and understanding of Current Good Manufacturing Practices (cGMP) and applicable GxP requirements. • Ability to read and interpret electrical one-line diagrams, equipment drawings, technical specifications, and manufacturer documentation. • Excellent oral and written communication skills. • Working knowledge of Microsoft Office applications. • Ability to analyze technical issues, communicate recommendations clearly, collaborate across functional teams, and seek guidance when appropriate. Bonus Points If You Have (Preferred Requirements) • Experience in the pharmaceutical sector. • Proficiency in technical writing and document review. • Knowledge of industrial utility systems, electrical reliability practices, power monitoring technologies, or electrical asset management principles. • A proactive approach to promoting workplace safety. • Experience using common artificial intelligence tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem-solving and enhance productivity; curiosity about how these tools can improve outcomes; and an understanding of responsible AI practices, including risk management and ethical use. Additional Information • Relocation support may be available. • Work location assignment: On Premise. The annual base salary for this position ranges from $82,700.00 to $137,900.00. In addition, this position is eligible for participation in Pfizer’s Global Performance Plan with a bonus target of 10.0% of the base salary. We offer comprehensive and generous benefits and programs to help our colleagues lead healthy lives and to support each of life’s moments. Benefits offered include a 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage. Learn more at Pfizer Candidate Site – U.S. Benefits | (uscandidates.mypfizerbenefits.com). Pfizer compensation structures and benefit packages are aligned based on the location of hire. The United States salary range provided does not apply to Tampa, FL or any location outside of the United States. Relocation assistance may be available based on business needs and/or eligibility. Candidates must be authorized to be employed in the U.S. by any employer. U.S. work visa sponsorship (such as TN, O-1, H-1B, etc.) is not available for this role now or in the future. Sunshine Act Pfizer reports payments and other transfers of value to health care providers as required by federal and state transparency laws and implementing regulations. These laws and regulations require Pfizer to provide government agencies with information such as a health care provider’s name, address and the type of payments or other value received, generally for public disclosure. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act. Therefore, if you are a licensed physician who incurs recruiting expenses as a result of interviewing with Pfizer that we pay or reimburse, your name, address and the amount of payments made currently will be reported to the government. If you have questions regarding this matter, please do not hesitate to contact your Talent Acquisition representative. EEO & Employment Eligibility Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status. Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA. Pfizer is an E-Verify employer. This position requires permanent work authorization in the United States. Pfizer endeavors to make www.pfizer.com/careers accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process and/or interviewing, please email [email protected]. This is to be used solely for accommodation requests with respect to the accessibility of our website, online application process and/or interviewing. Requests for any other reason will not be returned. To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers. Engineering A career at Pfizer offers opportunity, ownership and impact. All over the world, Pfizer colleagues work together to positively impact health for everyone, everywhere. Our colleagues have the opportunity to grow and develop a career that offers both individual and company success; be part of an ownership culture that values diversity and where all colleagues are energized and engaged; and the ability to impact the health and lives of millions of people. Pfizer, a global leader in the bio pharmaceutical industry, is continuously seeking top talent who are inspired by our purpose to innovate to bring therapies to patients that significantly improve their lives.

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22 Oct, 2026

Pfizer

Senior Associate Scientist

Senior level

$68.6k–114.3k/yr

USA - MO - St Louis 875 Chesterfield, United States of America

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