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Executive Administrative Assistant

CSL
Waltham, MA Full Time
POSTED ON 5/30/2026
AVAILABLE BEFORE 6/28/2026
Under the direction of senior leadership, the Executive Assistant provides comprehensive administrative and organizational support to assigned leadership within Research & Development. This role includes managing complex calendars, coordinating meetings and events, and handling domestic and international travel arrangements. The Executive Assistant ensures meeting readiness, manages individual expense reporting, and supports special projects as needed. The position requires interaction with a diverse group of internal stakeholders across all levels and locations, as well as external partners and visitors, while maintaining professionalism and confidentiality at all times.

Main Responsibilities And Accountabilities

Administrative Support

  • Provide diversified administrative support to assigned senior leaders and their teams, including word processing, filing, mailings, and document management.
  • Organize and maintain confidential and time-sensitive materials and files.

Calendar & Meeting Management

  • Manage calendars and schedule appointments for assigned executives and leadership team members.
  • Ensure meeting materials are prepared and assist in tracking priorities and deliverables.

Event & Project Coordination

  • Plan and manage special projects and events for assigned leaders, including global meetings and project-related sessions.
    • Arrange facilities, catering, invitations, and travel for internal and external participants.
    • Monitor and control event budgets.
    • Prepare visual presentations and meeting materials as needed.
Travel & Expense Coordination

  • Coordinate domestic and international travel arrangements and compile itineraries.
  • Prepare documents for travel-related meetings and process expense reports accurately and promptly.
  • Reconcile corporate credit card accounts for assigned leaders

Budget & Compliance

  • Monitor standard expenditures to ensure activities remain within established budgets.
  • Manage implementation of legal contracts and agreements, ensuring proper signatures and maintaining organized files.

Onboarding & Collaboration

  • Support onboarding of new hires of assigned leaders and collaborate with other administrative professionals to ensure a consistent experience.
  • Serve as a liaison with internal and external stakeholders globally, representing the department professionally and maintaining confidentiality

Other Duties

  • Perform other related duties as assigned.
  • Interact with external stakeholders.

Job Qualifications and Experience Requirements: Provide hiring requirements for the specified position, including educational, experiential, and competency requirements necessary for the position.

  • Education: High School Diploma or equivalent vocational or technical training. Bachelor’s degree or Technical College degree a plus.
  • Experience: 3-5 years' administrative support experience preferably in within pharmaceutical industry

Competencies

  • Technical Proficiency: Advanced skills in Microsoft Office Suite, Adobe Acrobat, and enterprise systems such as Ariba, SAP, and Concur; ability to quickly learn and adapt to new technologies.
  • Trusted Partner: Demonstrated ability to maintain confidentiality and exercise discretion in all aspects of work.
  • Flexibility: Willingness to adjust working hours to accommodate multiple time zones when necessary.
  • Learning Agility: Proven ability to learn quickly and adapt to changing priorities and processes.
  • Emotional Intelligence: Strong interpersonal skills with the ability to navigate complex relationships and maintain professionalism.
  • Executive Support Expertise: Skilled in providing efficient, high-quality assistance to senior leaders.
  • Professionalism & Urgency: Maintains a polished demeanor and responds promptly to time-sensitive requests; demonstrates strong ethical standards.
  • Self-Directed & Accountable: Proactive, dependable, and responsible for delivering results independently.
  • Communication Excellence: Exceptional verbal and written communication skills with the ability to convey information clearly and succinctly.
  • Deadline-Driven: Strong ability to anticipate challenges and proactively manage priorities for senior executives.
  • Problem-Solving & Organization: Demonstrated strength in critical thinking, time management, and organizational skills.
  • Multitasking Ability: Skilled at balancing and prioritizing multiple high-impact tasks simultaneously.
  • Tact & Diplomacy: Exercises sound judgment and professionalism when interacting with all levels of management and external stakeholders.

The expected base salary range for this position at hiring is $117,000 - $138,000. Please note this salary range reflects the minimum and maximum base pay that CSL expects to pay for this position at the listed location as of the time of this posting. Individual base salary for a successful candidate is determined by qualifications, skill level, experience, competencies, and other relevant factors. In addition to base salary, total compensation for this role may also include incentive compensation and equity.

About CSL Behring

CSL Behring is a global biotherapeutics leader driven by our promise to save lives. Focused on serving patients’ needs by using the latest technologies, we discover, develop and deliver innovative therapies for people living with conditions in the immunology, hematology, cardiovascular and metabolic, respiratory, and transplant therapeutic areas. We use three strategic scientific platforms of plasma fractionation, recombinant protein technology, and cell and gene therapy to support continued innovation and continually refine ways in which products can address unmet medical needs and help patients lead full lives.

CSL Behring operates one of the world’s largest plasma collection networks, CSL Plasma. Our parent company, CSL, headquartered in Melbourne, Australia, employs 32,000 people, and delivers its lifesaving therapies to people in more than 100 countries.

To learn more about CSL, CSL Behring, CSL Seqirus and CSL Vifor visit https://www.csl.com/ and CSL Plasma at https://www.cslplasma.com/.

Our Benefits

For more information on CSL benefits visit How CSL Supports Your Well-being | CSL.

You Belong at CSL

At CSL, Inclusion and Belonging is at the core of our mission and who we are. It fuels our innovation day in and day out. By celebrating our differences and creating a culture of curiosity and empathy, we are able to better understand and connect with our patients and donors, foster strong relationships with our stakeholders, and sustain a diverse workforce that will move our company and industry into the future.

To learn more about inclusion and belonging visit https://www.csl.com/careers/inclusion-and-belonging

Equal Opportunity Employer

CSL is an Equal Opportunity Employer. If you are an individual with a disability and need a reasonable accommodation for any part of the application process, please visit https://www.csl.com/accessibility-statement.

Salary : $117,000 - $138,000

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