Job Description
Company Overview
ImmunityBio, Inc. (NASDAQ: IBRX) is a commercial-stage biotechnology company developing cell and immunotherapy products that are designed to help strengthen each patient’s natural immune system, potentially enabling it to outsmart the disease and eliminate cancerous or infected cells. We envision a day when we no longer fear cancer, but can conquer it, thanks to the biological wonder that is the human immune system. Our scientists are working to develop novel therapies that harness that inherent power by amplifying both branches of the immune system, attacking cancerous or infected cells today while building immunological memory for tomorrow. The goal: to reprogram the patient’s immune system and treat the host rather than just the disease.
Why ImmunityBio?
ImmunityBio is developing cutting-edge technology with the goal to transform the lives of patients with cancer and develop next-generation therapies and vaccines that complement, harness and amplify the immune system to defeat cancers and infectious diseases.
Opportunity to join a publicly traded biopharmaceutical company with headquarters in Southern California.
Work with a collaborative team with the ability to work across different areas of the company.
Ability to join a growing company with professional development opportunities.
Position Summary
The Executive Assistant & Office Manager will assist the General Counsel, Chief Financial Officer and Senior Vice President, Human Resources with seamless coordination of executive priorities and the efficient operation of the office that are critical to sustaining strategic momentum. The role is designed to deliver high‑level support to C‑suite leaders while simultaneously overseeing the day‑to‑day administrative, financial, and facilities functions that keep the organization productive and compliant. The Executive Assistant & Office Manager anchors communication flow, safeguards confidential information, and ensures that the physical workspace aligns with work expectations and corporate culture.
Essential Functions
Manage complex executive calendars, schedule meetings across time zones, resolve conflicts, prepare detailed agendas, capture minutes, and track action items
Serve as the primary gatekeeper for executive communications and calls, drafting professional correspondence, and representing senior leaders with internal and external stakeholders
Coordinate travel logistics, including itinerary planning, booking arrangements, and expense reporting for executives.
Oversee office operations such as maintaining physical and digital filing systems, procuring supplies, managing vendor relationships, and handling facility logistics—including space planning, work infrastructure, and building‑access protocols.
Manage financial responsibilities, including preparing departmental budgets, processing invoices, monitoring accounts payable and receivable, and performing routine accounting reconciliations resources.
Guide and coach the Executive Assistant team on administrative operations essential to supporting the leadership team and coordination of coverage as needed. Conduct onboarding and training of newly hired Executive Assistants.
Address employee inquiries in accordance with corporate policies resources.
Organize company‑wide events, off‑site meetings, and special‑project research while ensuring compliance with internal policies and relevant external regulations.
Process and maintain tracking for any appropriate individual certification or licensure requirements such a JD, CPA, etc.
Assist with filing annual reports and federal and state securities filings, including other required post‑closing state applications and filings.
Create and maintain and adhere to Standard Operating Procedures (SOPs) for all processes.
Maintain organizational charts and entity lists.
Performs ad-hoc and cross-functional duties and/or projects as assigned to support business needs and provide developmental opportunities.
Education & Experience
High School diploma required, Bachelor’s degree in business administration or related field preferred
8+ years’ professional experience as an Executive Assistant required
Experience supporting C- suite officers and, working with confidential or sensitive information required
Experience in the medical or pharmaceutical industry is strongly preferred.
Knowledge, Skills, & Abilities
Expert level skills and abilities using Excel, Power Point and Outlook.
Able to demonstrate considerable judgement and initiative to resolve problems and manage calendars
Ability to maintain proprietary, trade secret and confidential information
Strong organizational and planning skills
Budgeting and basic finance knowledge
Exceptional organizational and communication (verbal & written) skills
Positive attitude
Ability to juggle multiple tasks at any one time and stay one step ahead
Demonstrated capabilities and willingness to learn the use of internal tools & processes for communications, scheduling, and travel
Proactive, resourceful, efficient, energetic, and a genuine desire to work well with people
A desire to learn within a dynamic environment.
Strong attention to detail and ability to maintain confidentiality
Ability to effectively prioritize and multi-task under limited direction, and ability to shift priorities quickly while working under tight timelines
Superior oral and written communication skills
Working Environment / Physical Environment
This position works on site in El Segundo, CA
Regular work schedule is Monday – Friday, within standard business hours. Flexibility is available with manager approval.
This is primarily a position that works at a computer most of the time
This position is eligible for a discretionary bonus and equity award. The hourly base pay range for this position is below. The specific rate will depend on the successful candidate’s qualifications, prior experience as well as geographic location.
$62.00 (entry-level qualifications) to $67.50 (highly experienced) per hour
The application window is anticipated to close on 60 days from when it is posted or sooner if the position is filled or closed.
ImmunityBio employees are as valuable as the people we serve. We have built a resource of robust benefit offerings to best support the total wellbeing of our team members and their families. Our competitive total rewards benefits package, for eligible employees, include: Medical, Dental and Vision Plan Options • Health and Financial Wellness Programs • Employer Assistance Program (EAP) • Company Paid and Voluntary Life/AD&D, Short-Term and Long-Term Disability • Healthcare and Dependent Care Flexible Spending Accounts • 401(k) Retirement Plan with Company Match • 529 Education Savings Program • Voluntary Legal Services, Identity Theft Protection, Pet Insurance and Employee Discounts, Rewards and Perks • Paid Time Off (PTO) includes: 11 Holidays • Exempt Employees are eligible for Unlimited PTO • Non-Exempt Employees are eligible for 10 Vacation Days, 56 Hours of Health Pay, 2 Personal Days and 1 Cultural Day • We are committed to providing you with the tools and resources you need to optimize your Health and Wellness.
At ImmunityBio, we are an equal opportunity employer dedicated to diversity in the workplace. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, ****** orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law.
ImmunityBio, Inc. (NASDAQ: IBRX) is a commercial-stage biotechnology company developing cell and immunotherapy products that are designed to help strengthen each patient’s natural immune system, potentially enabling it to outsmart the disease and eliminate cancerous or infected cells. We envision a day when we no longer fear cancer, but can conquer it, thanks to the biological wonder that is the human immune system. Our scientists are working to develop novel therapies that harness that inherent power by amplifying both branches of the immune system, attacking cancerous or infected cells today while building immunological memory for tomorrow. The goal: to reprogram the patient’s immune system and treat the host rather than just the disease.
Why ImmunityBio?
ImmunityBio is developing cutting-edge technology with the goal to transform the lives of patients with cancer and develop next-generation therapies and vaccines that complement, harness and amplify the immune system to defeat cancers and infectious diseases.
Opportunity to join a publicly traded biopharmaceutical company with headquarters in Southern California.
Work with a collaborative team with the ability to work across different areas of the company.
Ability to join a growing company with professional development opportunities.
Position Summary
The Executive Assistant & Office Manager will assist the General Counsel, Chief Financial Officer and Senior Vice President, Human Resources with seamless coordination of executive priorities and the efficient operation of the office that are critical to sustaining strategic momentum. The role is designed to deliver high‑level support to C‑suite leaders while simultaneously overseeing the day‑to‑day administrative, financial, and facilities functions that keep the organization productive and compliant. The Executive Assistant & Office Manager anchors communication flow, safeguards confidential information, and ensures that the physical workspace aligns with work expectations and corporate culture.
Essential Functions
Manage complex executive calendars, schedule meetings across time zones, resolve conflicts, prepare detailed agendas, capture minutes, and track action items
Serve as the primary gatekeeper for executive communications and calls, drafting professional correspondence, and representing senior leaders with internal and external stakeholders
Coordinate travel logistics, including itinerary planning, booking arrangements, and expense reporting for executives.
Oversee office operations such as maintaining physical and digital filing systems, procuring supplies, managing vendor relationships, and handling facility logistics—including space planning, work infrastructure, and building‑access protocols.
Manage financial responsibilities, including preparing departmental budgets, processing invoices, monitoring accounts payable and receivable, and performing routine accounting reconciliations resources.
Guide and coach the Executive Assistant team on administrative operations essential to supporting the leadership team and coordination of coverage as needed. Conduct onboarding and training of newly hired Executive Assistants.
Address employee inquiries in accordance with corporate policies resources.
Organize company‑wide events, off‑site meetings, and special‑project research while ensuring compliance with internal policies and relevant external regulations.
Process and maintain tracking for any appropriate individual certification or licensure requirements such a JD, CPA, etc.
Assist with filing annual reports and federal and state securities filings, including other required post‑closing state applications and filings.
Create and maintain and adhere to Standard Operating Procedures (SOPs) for all processes.
Maintain organizational charts and entity lists.
Performs ad-hoc and cross-functional duties and/or projects as assigned to support business needs and provide developmental opportunities.
Education & Experience
High School diploma required, Bachelor’s degree in business administration or related field preferred
8+ years’ professional experience as an Executive Assistant required
Experience supporting C- suite officers and, working with confidential or sensitive information required
Experience in the medical or pharmaceutical industry is strongly preferred.
Knowledge, Skills, & Abilities
Expert level skills and abilities using Excel, Power Point and Outlook.
Able to demonstrate considerable judgement and initiative to resolve problems and manage calendars
Ability to maintain proprietary, trade secret and confidential information
Strong organizational and planning skills
Budgeting and basic finance knowledge
Exceptional organizational and communication (verbal & written) skills
Positive attitude
Ability to juggle multiple tasks at any one time and stay one step ahead
Demonstrated capabilities and willingness to learn the use of internal tools & processes for communications, scheduling, and travel
Proactive, resourceful, efficient, energetic, and a genuine desire to work well with people
A desire to learn within a dynamic environment.
Strong attention to detail and ability to maintain confidentiality
Ability to effectively prioritize and multi-task under limited direction, and ability to shift priorities quickly while working under tight timelines
Superior oral and written communication skills
Working Environment / Physical Environment
This position works on site in El Segundo, CA
Regular work schedule is Monday – Friday, within standard business hours. Flexibility is available with manager approval.
This is primarily a position that works at a computer most of the time
This position is eligible for a discretionary bonus and equity award. The hourly base pay range for this position is below. The specific rate will depend on the successful candidate’s qualifications, prior experience as well as geographic location.
$62.00 (entry-level qualifications) to $67.50 (highly experienced) per hour
The application window is anticipated to close on 60 days from when it is posted or sooner if the position is filled or closed.
ImmunityBio employees are as valuable as the people we serve. We have built a resource of robust benefit offerings to best support the total wellbeing of our team members and their families. Our competitive total rewards benefits package, for eligible employees, include: Medical, Dental and Vision Plan Options • Health and Financial Wellness Programs • Employer Assistance Program (EAP) • Company Paid and Voluntary Life/AD&D, Short-Term and Long-Term Disability • Healthcare and Dependent Care Flexible Spending Accounts • 401(k) Retirement Plan with Company Match • 529 Education Savings Program • Voluntary Legal Services, Identity Theft Protection, Pet Insurance and Employee Discounts, Rewards and Perks • Paid Time Off (PTO) includes: 11 Holidays • Exempt Employees are eligible for Unlimited PTO • Non-Exempt Employees are eligible for 10 Vacation Days, 56 Hours of Health Pay, 2 Personal Days and 1 Cultural Day • We are committed to providing you with the tools and resources you need to optimize your Health and Wellness.
At ImmunityBio, we are an equal opportunity employer dedicated to diversity in the workplace. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, ****** orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law.
💡 Quick Summary
Seeking a career-building opportunity? The Executive Assistant & Office Manager position is now open for candidates interested in the Admin Executive sector. This role in El Segundo offers a professional environment and growth potential.
Requirement Snapshot: Candidates should possess basic communication skills, a proactive attitude, and the ability to work in a team. Experience in Admin Executive is a plus.
