Why Join Us?

Be a hero for our rare disease patients

At Ultragenyx, we fundamentally believe that taking real impactful action to care for the needs of patients and our people is always the right thing to do. To achieve this goal, our vision is to lead the future of rare disease medicine. For us, this means going where other biopharma companies won’t go – challenging the status quo and creating a new model that advances our field so more patients and caregivers can benefit from life-changing treatments. We do this by following the science, applying a novel rapid development approach, making innovative medicines at fair and reasonable prices, and creating a collaborative ecosystem to reach patients in ways that are most meaningful for them.

Our commitment and care for patients extends to our people, so culture is an essential cornerstone for Ultragenyx. We remain continuously focused on creating a supportive and inclusive environment of profound learning and growth – so employees can thrive in all areas of their lives, in and outside of work. Ultimately, we want to be an organization where we would be proud for our family, friends and children to work.

If you want to have a meaningful impact, do the best work of your career, and grow a lot, both professionally and personally, come join our team. Position Summary:

ultra focused – Work together to fearlessly uncover new possibilities

The Office Administrator will organize and coordinate office administration and procedures, in order to ensure organizational effectiveness, efficiency and safety. You will be responsible for developing intra-office communication protocols, streamlining administrative procedures and inventory and vendor control.

The Office Administrator also will provide high quality administrative and clerical assistance to senior management. This will include meetings, making travel arrangements, expenses report and organizing daily calendars.

To be successful in this role, - the candidate should be an energetic professional who does not mind wearing multiple hats. Experienced in handling a wide range of administrative and executive support related tasks and able to work independently with little or no supervision. The candidate will be well organized, adaptable and enjoy the administrative challenges of supporting an office of diverse people.

Work Model:

Flex: This role will typically require onsite work 3 days each week depending on business needs. In many locations, the business will set certain days each week that Flex employees are required to be onsite.

Responsibilities:

Office Management (40%)

Organize office operations and procedures

Manage relationships with vendors, service providers and landlord, ensuring that all items are invoiced and paid on time

Point person for maintenance, mailing, shipping, supplies, equipment, bills and errands





Ensure office efficiency is maintained by carrying out planning and execution of equipment procurement, layouts and office systems

Manage relations with corporate facilities department

Partner with HR, Legal and Finance to develop and implement office policies by setting up procedures and standards to guide the operation of the office

Partner with HR and IT for administrative processes for new hirings

Design and implement filing systems and ensure filing systems are maintained and current

Coordinate with IT department on all office equipment & systems

Ensure security, integrity and confidentiality of data

Monitor and maintain office supplies inventory

Review and approve office supply acquisitions

Maintain a safe and secure working environment

Provide general support to visitors

Support and manage legal agreement/contract management system and generate POs

Executive administrative to senior management (40%)

Manage Senior Management’s schedules, calendars and appointments and expenses reports

Coordinate meetings with internal and external participants, addressing all necessary details for efficient and successful outcomes

Make all travel arrangements domestic and international – proactively troubleshoot and address travel conflicts when needed (including after office business hours)

Events support (20%)

Participate actively in the planning and execution of company events

Support the team in researching and securing venues, planning and managing our events' calendar, negotiating quotes and agreements with vendors, assisting with event organization, monitoring timeframes and budgets, networking, and delivering on event brief objectives.

Requirements :

Bachelor’s degree

Fluent in English, native Spanish

Proven office management and executive assistant experience

Knowledge of office management responsibilities, systems and procedures

Excellent time management skills and ability to multi-task and prioritize work

Attention to detail and problem-solving skills

Excellent written and verbal communication skills in Spanish and English

Strong organizational and planning skills

Proficient in MS Office: World, Outlook, Excel, PowerPoint; Oracle/SAP and knowledge of office / finance software packages

Ability to multitask and prioritize daily workload

Ability to work independently, anticipate next steps, and exercise discretion and confidentiality

Experience in coordinating and booking domestic and international travel and working with travel agencies

Experience in coordinating internal and external meetings and events





Effectively communicates with respect and professionalism

Ability to work closely and collaboratively with other members of the department and interact with various internal and external stakeholders

Recognized by former peers, colleagues, managers and direct reports for attributes like: Drive, Excellence, Resilience, Teamwork, Innovation and Compassion

Experience in a Pharmaceutical or bio-tech company preferred

5 years of successful experience as a Sr. Administrative Assistant or Legal Assistant or Finance Assistant or Events Coordinator, providing support to Managers and Directors

#LI-CT1 #LI-hybrid

Full Time employees across the globe enjoy a range of benefits, including, but not limited to:

· Generous vacation time and public holidays observed by the company
· Volunteer days
· Long term incentive and Employee stock purchase plans or equivalent offerings
· Employee wellbeing benefits
· Fitness reimbursement
· Tuition sponsoring
· Professional development plans

* Benefits vary by region and country
Ultragenyx Pharmaceutical is an equal opportunity employer and prohibits unlawful discrimination based on race, color, religion, gender, sexual orientation, gender identity/expression, national origin/ancestry, age, disability, marital and veteran status, and any other status or classification protected by applicable federal, state, and/or local laws. Reasonable accommodation will be provided for all protected statuses or classifications protected by applicable law, including individuals with disabilities, disabled veterans, for pregnancy, childbirth, and related medical conditions, and based on sincerely held religious beliefs. Applicants can request an accommodation prior to accepting a job offer. If you require reasonable accommodation in completing this application, or in any part of the recruitment process, you may contact Talent Acquisition by emailing us at .

See our CCPA Employee and Applicant Privacy Notice.
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It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Note to External Recruiters : All candidate activity and open positions are managed strictly through our Human Resources Department. Our Human Resources Department kindly requests that recruiters not contact employees/hiring managers directly in an attempt to solicit business and present candidates. Please note that failure to comply with this request will be a factor in determining a professional relationship with our organization. Submission of unsolicited resumes prior to an agreement set in place between the Human Resources Department and the recruiting agency will not create any implied obligation. Inquiries on developing a recruiting relationship with us, may be directed to: .

📌 Contractor - Office Administrator (Tláhuac)
🏢 Ultragenyx Pharmaceutical
📍 Tláhuac