About this role 

As a Senior Plant Engineer II, you will provide technical engineering support for critical plant utilities and facility systems across manufacturing areas, laboratories, warehouses, and supporting buildings. You will troubleshoot complex equipment issues, lead engineering and commissioning activities, and partner with Utilities, Manufacturing, Process Engineering, Maintenance, and other cross-functional teams to improve equipment reliability and operational performance. This role also manages small engineering projects and provides technical direction to contractors with limited oversight. 

What you'll do 

• Provide technical support and troubleshooting for plant utility and facility systems, including clean utilities, water, compressed air, steam, gases, HVAC air-handling systems, waste systems, cooling-tower water, and process glycol. 

• Troubleshoot equipment systems and associated building management system automation. 

• Lead or support the design, specification, installation, commissioning, and qualification of new equipment. 

• Develop user requirements specifications and write and execute commissioning and qualification protocols. 

• Support capital and operational-expenditure projects, including project scoping, equipment modifications, design reviews, change controls, construction support, commissioning, and validation. 

• Investigate equipment failures and implement improvements that help prevent recurrence. 

• Onboard new equipment into the computerized maintenance management system in accordance with site procedures. 

• Manage small engineering projects, schedules, risks, stakeholders, and deliverables with limited direction. 

• Direct contractors and represent Plant Engineering in discussions with internal teams and external partners. 

• Develop or update procedures supporting Engineering and Facilities equipment and systems. 

• Manage compliance activities, including change controls, deviation investigations, and corrective and preventive actions. 

• Participate in cross-functional initiatives focused on equipment reliability, process improvement, and operational performance. 

Who you are 

You are a collaborative and solutions-oriented engineer who can apply technical expertise to solve moderately complex facility and utility challenges. You are comfortable managing competing priorities, exercising sound judgment, and partnering across functions to deliver compliant, reliable, and practical engineering solutions. 

Required skills 

• Bachelor's degree in Engineering from an accredited college or university. 

• At minimum, 6 years of relevant engineering experience. 

• Experience supporting manufacturing facilities, plant utilities, or facility equipment systems. 

• Experience troubleshooting equipment and utility systems 

• Experience supporting equipment-related capital or operational-expenditure projects. 

• Experience with equipment commissioning, qualification, or validation activities. 

• Ability to develop technical specifications and assess equipment requirements. 

• Demonstrated ability to investigate equipment failures and recommend appropriate corrective actions. 

• Ability to collaborate effectively with internal teams, contractors, and external stakeholders. 

• Proficiency with Microsoft Word, Excel, PowerPoint, SharePoint, Project, and AutoCAD. 

Preferred skills 

• Experience supporting clean utilities, HVAC, steam, waste, cooling-water, or glycol systems in a regulated manufacturing environment. 

• Experience developing user requirements specifications and commissioning or qualification protocols. 

• Experience managing engineering projects involving stakeholder coordination, risk management, scheduling, and regulatory requirements. 

• Familiarity with computerized maintenance management systems. 

• Experience managing change controls, deviation investigations, and corrective and preventive actions. 

• Demonstrated ability to lead cross-functional engineering and continuous-improvement initiatives. 

Additional Information

Base salary offered is determined through an analytical approach utilizing a combination of factors including, but not limited to, relevant skills & experience, job location, and internal equity.

Regular employees are eligible to receive both short term and long-term incentives, including cash bonus and equity incentive opportunities, designed to reward recent achievements and recognize your future potential based on individual, business unit and company performance. 

In addition to compensation, Biogen offers a full and highly competitive range of benefits designed to support our employees’ and their families physical, financial, emotional, and social well-being; including, but not limited to:

• Medical, Dental, Vision, & Life insurances
• Fitness & Wellness programs including a fitness reimbursement 
• Short- and Long-Term Disability insurance
• A minimum of 15 days of paid vacation and an additional end-of-year shutdown time off (Dec 26-Dec 31)
• Up to 12 company paid holidays + 3 paid days off for Personal Significance 
• 80 hours of sick time per calendar year
• Paid Maternity and Parental Leave benefit 
• 401(k) program participation with company matched contributions
• Employee stock purchase plan 
• Tuition reimbursement of up to $10,000 per calendar year 
• Employee Resource Groups participation

Why Biogen?

We are a global team with a commitment to excellence, and a pioneering spirit. As a mid-sized biotechnology company, we provide the stability and resources of a well-established business while fostering an environment where individual contributions make a significant impact. Our team encompasses some of the most talented and passionate achievers who have unparalleled opportunities for learning, growth, and expanding their skills. Above all, we work together to deliver life-changing medicines, with every role playing a vital part in our mission. Caring Deeply. Achieving Excellence. Changing Lives.

At Biogen, we are committed to building on our culture of inclusion and belonging that reflects the communities where we operate and the patients we serve. We know that diverse backgrounds, cultures, and perspectives make us a stronger and more innovative company, and we are focused on building teams where every employee feels empowered and inspired. Read on to learn more about our Biogen.

All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, sexual orientation, marital status, race, color, national origin, ancestry, ethnicity, religion, age, veteran status, disability, genetic information or any other basis protected by federal, state or local law. Biogen is an E-Verify Employer in the United States.