Sr Research Associate, Biology

Biopharma Careers; Foster City (CA); On-site; USD 95,000 - 123,000; Full time

Job summary

Gilead Sciences Inc. is seeking a Senior Research Associate to join the Protein Sciences team within Protein Therapeutics. The role focuses on recombinant antibody purification, bioconjugation and protein analytics with data interpretation and cross‑functional collaboration across preclinical programs.

The ideal candidate has a BS with 2+ years of experience or an MS in a related field, plus hands‑on experience with AKTA Avant/Pure, SEC‑HPLC/UHPLC, SDS‑PAGE/CE‑SDS and Endosafe.

Qualifications

• Bachelor's Degree with 2+ years of experience in protein purification and characterization.
• Master's Degree accepted in related field.
• Experience with recombinant proteins and monoclonal antibodies is preferred.

Responsibilities

• Perform protein purification and characterization for quality and document in ELN and informatics systems.
• Prepare technical reports and check in protein samples into the sample bank.
• Communicate results and purification status to collaborators clearly.
• Actively participate in group meetings, present results and propose next steps.
• Stay updated on cutting-edge techniques to improve quality and efficiency.

Skills

Protein purification

Bioconjugation

Protein analytics

Data interpretation

Cross-functional collaboration

Education

Bachelor's Degree

Master's Degree

Tools

AKTA Avant/Pure

SEC-HPLC

UHPLC

SDS-PAGE

CE-SDS

Endosafe

Job description

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference.

Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact.

We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together.

Job Description

Protein Therapeutics in Gilead Research has an exciting opportunity for a Senior Research Associate to join the Protein Sciences team. The successful candidate will be a highly motivated scientist with hands‑on knowledge in recombinant antibody purification, bioconjugation and protein analytics. The candidate will demonstrate the ability to produce and interpret experimental data with scientific rigor and independence. With guidance from the manager, the individual will work effectively with cross‑functional project teams to generate and validate therapeutic proteins and tool molecules, including monoclonal and bispecific antibodies, immunocytokines, ADCs and other complex biologics. The ideal candidate is hard‑working, team‑oriented, professional, diligent, and motivated to expand his/her technical and scientific skills.

Key Responsibilities:

• Perform protein purification and characterization for quality and document work in electronic lab notebook and various informatics systems to support the preclinical development of biopharmaceutical programs across multiple therapeutic areas.
• Prepare technical reports, summaries, and check in protein samples into the sample bank.
• Use good oral and written communication skills to relay scientific data and update collaborators of purification status and challenges.
• Actively participate in group meetings, present results, interpret data, draw conclusions and propose next steps for the presented work.
• Maintain awareness of cutting‑edge technical developments and scientific knowledge and apply these where possible to improve work quality and efficiency.

Basic Qualifcations:

• Bachelor's Degree and 2 Years’ Experience
• OR Masters' Degree

Preferred Qualifications:

• At least 2 years of direct experience in purifying and characterizing a variety of recombinant proteins, particularly monoclonal antibodies and complex biologics (e.g., bi/multi‑specific antibodies)
• Hands‑on experience in purification techniques including affinity, ion exchange, size exclusion, hydrophobic interaction chromatography using AKTA Avant/Pure
• Proficiency with various analytical protein characterization techniques such as SEC‑HPLC or UHPLC, SDS‑PAGE or CE‑SDS, Endosafe
• Proficiency with performing and analyzing data for ADC QC assays
• Familiarity with bioconjugation methods
• Ability to perform method development and write protocols
• Strong work ethic and detailed record‑keeping are required
• Ability to multi‑task and work in a fast‑paced team environment
• Familiarity with other protein characterization technologies (DLS, SEC‑MALS, LC/MS, IEX/HIC‑HPLC)
• Operating experience with various automation instruments e.g., autosamplers, automated liquid handling systems
• Training and experience in automation system programing or scripting
• BS in Biology, Biochemistry, Chemistry or related field with at least 2+ years of relevant experience (3+ years preferred) or MS with above listed characteristics and techniques for the position

The salary range for this position is: $94,945.00 - $122,870.00. Gilead considers a variety of factors when determining base compensation, including experience, qualifications, and geographic location. These considerations mean actual compensation will vary. This position may also be eligible for a discretionary annual bonus, discretionary stock‑based long‑term incentives (eligibility may vary based on role), paid time off, and a benefits package. Benefits include company‑sponsored medical, dental, vision, and life insurance plans*.

For additional benefits information, visit: https://www.gilead.com/careers/compensation-benefits-and-wellbeing

* Eligible employees may participate in benefit plans, subject to the terms and conditions of the applicable plans.

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In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Era Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants who require accommodation in the job application process may contact [e-mail] for assistance.

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