Integral Molecular is a research-driven biotechnology company creating innovative technologies and therapeutic antibodies for under-exploited membrane protein targets, including GPCRs, ion channels, transporters, and viral envelopes.

20+ years experience optimizing membrane proteins

Work with Top 20 pharmaceutical companies

500+ customers and partners

Are you passionate about science and interested in joining a world-class research team?

Do you want to be a part of a close-knit, small company that takes an active interest in your learning and development?

We are looking for smart, curious, and passionate individuals to join our team and contribute to our shared success.

What you can expect:

  • Serious work in a casual atmosphere
  • Collaborative, dynamic learning environment
  • New ideas and constant innovation
  • Leadership opportunities to enable your career
  • Scientifically and culturally diverse teams

How To Apply To Integral Molecular

Apply to any position using the links below the job descriptions. Integral Molecular is an Equal Opportunity Employer.

Current Career Openings


We seek an entry level Research Technician to perform vital laboratory tasks to support the continued success of our research teams. The candidate will be part of a lab management team that works in a unified and collaborative manner to ensure the efficient operation of the laboratory.

This is a full-time job with a 40-hour work week schedule. The hours for this position will be on a Monday thru Friday schedule from 7AM – 3PM. Overtime work, including late evenings and weekends, will be limited but may be necessary on occasion.


  • Coordinate multiple tasks with team members to provide needed supplies 
  • Prepare reagents including buffers, chemicals solutions, complex reaction mixtures and media according to established methods and standard operating procedures (SOP) 
  • Maintain glassware by picking-up, cleaning, washing, autoclaving, and distributing 
  • Perform tasks using aseptic techniques, including working within a biological safety cabinet 
  • Participate in the general maintenance of all equipment related to the preparation of assay materials and assist in the monitoring and reporting of equipment conditions 
  • Assist with inventory management of supplies and solvents by placing orders and verifying receipt of items 
  • Enhance laboratory organization by taking ownership of new requests 


  • 6 months – 2 years hands-on laboratory experience 
  • Associate or Bachelor’s degree in Biology, Chemistry, medical technology or related field 
  • Highly motivated individual capable of working independently and as part of a team 
  • Demonstrated organizational skills with the ability to handle multiple tasks 

Apply Here

Are you looking for a new role running experiments at the bench alongside fantastic colleagues? Integral Molecular is a close-knit, medium-sized company composed of smart, curious scientists who take an active interest in promoting the learning and development of our team. Based in Philadelphia, we are focused on developing and applying innovative technologies that advance vaccines and antibody therapeutics targeting difficult proteins. 

We are searching for a Research Associate I to join our dedicated group of scientists on the development and commercialization of biomedical technologies. We need someone who can effectively manage the challenges of performing high throughput assays, be self-reliant when executing tasks and contribute as a collaborative, supportive team member. A desirable candidate will have the skills to culture mammalian and/or bacterial cells, perform DNA mini-preps, and complete bacterial transformations and cell transfections. Familiarity with flow cytometry and liquid handling robots are a plus! 

As an early career scientist, this position offers you: 

  • Technical and scientific development leading to professional advancement or graduate school 
  • Opportunity to use automated liquid handling robots to implement high-throughput assays 
  • Development of report writing and presentation skills 
  • Collaboration and mentorship from senior scientists 

What you will do at Integral Molecular: 

  • Perform assigned tasks in the lab, including but not limited to DNA isolation, use of automated liquid handling machines, aseptic mammalian cell culture transfections/transformations and flow cytometry
  • Troubleshoot experimental issues 
  • Follow SOPs to complete experiments and assays, including good record keeping 
  • Analyze data and write customer reports
  • Independently plan a daily schedule, which may include balancing multiple projects simultaneously 
  • Present data at team and company-wide meetings  

The ideal candidate will have

  • Bachelor’s degree in biology, bioengineering, or a related field 
  • 1–2 years of laboratory experience (internships and student jobs are applicable) 
  • Attention to detail 
  • Ability to work in a team-based environment with a collaborative and proactive attitude 
  • Motivated to excel in an environment dedicated to meeting customer deadlines 

This is an onsite, lab-based role therefore, we exclusively consider applicants who reside within reasonable driving distance of the company headquarters in Philadelphia, PA.

Apply Here

Administrative and Operations

Are you excited about coordinating and executing marketing campaigns? Are you motivated by collaborative work to align tactics with product strategy and vision? You will be the end-to-end orchestrator of campaign activities that drive product demand and lead generation.   

You will bring teams together across the company to understand the product vision, develop and execute marketing tactics based on the product strategy, and use analytics to measure success and refine marketing approaches. We envision this as a mid-level role with the opportunity for personal and professional growth.  

If you are eager to make a difference and be part of an organization that values your enterprising spirit, we welcome you to join our marketing team. Integral Molecular is a stable 20-year-old company with the innovation and energy of a startup. We are proud to be a company that values its people, with an inclusive culture where employees feel valued and belong.  

What you will gain from working at Integral Molecular 

  • Make an impact. Your skills are valued here and will enable world-changing products, services, and technologies in biomedical research to impact human health (no experience in the industry needed). 
  • Define your career pathway. Whether you’re seeking growth, a stable work-life balance, or flexibility, our culture supports you first. Because when you succeed, your team succeeds, and the company succeeds. 
  • Work and thrive in a friendly, fun, and supportive environment in the heart of Philadelphia’s biotech ecosystem with a flexible, hybrid schedule.  

What you will do at Integral Molecular 

  • Stakeholder engagement, collaboration, and coordination: Work closely with key stakeholders (Product Managers, commercial strategy team, sales and marketing professionals, company leadership) to ensure their perspectives are integrated into all aspects of a comprehensive marketing plan.  
  • Project management: Manage and prioritize workflows involving overlapping timelines and various stakeholders for multiple product lines. Oversee the marketing budget, annual goals, marketing calendar, and analytics reporting. 
  • Lead with data: Define metrics to assess campaign success from a project’s outset.  Create measurement strategies that are iterative, data-driven, and enable refinement of campaign tactics based on real-time insights. Use tools like Google Analytics, HubSpot, and SEMRush to capture and leverage data to enhance campaign performance. 
  • Stay up to date on industry trends and opportunities, and promote best practices across the company.  

The ideal candidate will have:  

  • Hands-on experience within a company’s in-house marketing team.  
  • Bachelor’s or Master’s degree with an understanding of how to implement multi-channel marketing campaigns  
  • The ability to act as a bridge between the marketing team and key company stakeholders while nurturing team growth and development.  
  • Experience collaborating with stakeholders, managing projects, and organizing teams  
  • Experience marketing B2B or technology-based products is a plus but not required  
  • Familiarity with science or scientific communications is a plus but not required. 
  • Location flexibility: Residents in the following states—PA, DE, NJ, NY—are welcome, with potential for hybrid work.  
If you find this position appealing, please submit a resume, portfolio, and cover letter that outlines your interest in our company, experience, and salary expectations.

Apply Here

Do you want to support biotech sales but prefer a non-sales role? Do you love organization, efficiency, and have strong communications skills?  We are looking for a Sales Operations Associate to take on responsibility for the day-to-day internal operations of our Sales team. You will handle customer-related and internal administrative needs, collaborate with the Legal team to ensure  timely review and signing of customer agreements and pursue long-term projects to optimize sales operations within the company.  

If you are eager to make a difference and be part of an organization that values your enterprising spirit, we welcome you to join our sales operations team. Integral Molecular is a stable 20-year-old company with the innovation and energy of a startup. We are proud to be a company that values its people, with an inclusive culture where employees feel valued and belong.   

What you will gain from working at Integral Molecular: 

  • Make an impact. Provide vital support to the Sales team and all teams directly connected to it (Legal, Marketing, Finance) 
  • Grow your career. Gain and grow skills within the Sales and Legal teams, learn about other areas of the business through Sales and Marketing initiatives, and take ownership of distinct parts of the Sales Operations processes 
  • Work on a fun, dynamic, and supportive team within a company that prioritizes inclusion, equity and your personal growth   

What you will do at Integral Molecular:    

  • Serve as the point person for Salesforce, our current CRM, within the company, taking care of product updates, submitting tech support requests, and addressing individual account needs 
  • Continue to integrate Salesforce into all sales activities for the Sales and Finance teams, including improving user experience and ensuring data quality 
  • Prepare and submit customer documents as needed 
  • Coordinate customer agreement review in collaboration with the Legal team 
  • Create and maintain best practice documents and protocols for Sales practices  
  • Schedule and facilitate weekly Sales Operations meeting 
  • Assist with clerical and administrative needs of Marketing, Finance, IP and Administrative teams as needed 

The successful candidate will have: 


  • 2+ years work experience, preferably in administrative/clerical role 
  • Salesforce experience strongly preferred 
  • Strong organizational and prioritization skills 
  • Strong written and verbal communication skills, including asking questions when task assignments or goals are unclear 
  • Demonstrated ability to execute long-term tasks independently 


  • Bachelor’s degree or associate’s degree preferred 

Apply Here

Are you fueled by creating detailed spreadsheets and translating financial data accurately into Quickbooks Do you want to channel that expertise into making an impact in healthcare in the Philadelphia biotech industry? INTEGRAL MOLECULAR, Inc., is a mid-size Philadelphia-based biotech company specializing in the discovery and characterization of therapeutic antibodies. We are looking for a new member to join our Finance team! Reporting to the Controller, you will play a central role in managing our accounts payable and accounts receivable, while taking on other tasks such as tracking aging accounts and supporting grant funding and financial audits

This is a fulltime position based on-site at our office in the University City area of Philadelphia. 

What you will gain from working at Integral Molecular: 

  • Make an impact: Use your skills to support innovative scientific research at a growing biotech company that impacts human health 
  • Define your career path: Grow your business accounting skills by helping to develop sustainable systems for a growing company and gaining comprehensive experience in all financial operations of a mid-sized business.  
  • Work and thrive within a work culture that supports you first, because when you succeed, your team succeeds, and the company succeeds. 

What you will do at Integral Molecular:    

Accounts Payable

  • Review invoices to ensure proper documentation prior to payment. 
  • Enter invoice and general ledger data accurately. 
  • Allocate and submit invoices for approval. 
  • Reconcile monthly statements with vendors. 
  • Process and upload employee reimbursements. 
  • Track and allocate credit card purchases and receipts using Ramp. 
  • Perform credit card reconciliations

Enhance Customer File Management – Accounts Receivable

  • Maintaining and updating customer records, including new setups and mailing information across systems. 
  • Generating and submitting invoices for approval, following company protocols. 
  • Verifying and recording customer payments and related transactions in accounts receivable. 
  • Generating reports on customer account statuses upon request. 
  • Investigating customer discrepancies and overdue amounts. 
  • Crafting correspondence for standard past-due accounts and collections 

The ideal candidate will have: 

  • Associate’s or Bachelor’s degree in accounting or business preferred or equivalent work experience 
  • Minimum of 1-2 years of relevant work experience (including internships and part-time work)   
  • Knowledge and understanding of accounting principals (GAAP) and Quickbooks 
  • Strong command of Office 365 applications, particularly Excel 
  • Exceptional attention to detail coupled with effective interpersonal communication skills   
  • Ability to work independently with excellent time-management skills  
  • Knowledge of Salesforce would be a bonus, but not required 

Apply Here


Integral Molecular offers part-time and temporary positions to scientists looking to transition from the bench to business. Our commercial internships are open to scientists with an interest and initial experience in learning the commercial side of science. You will work with our marketing, sales, business development, and product management teams. Projects can include market research, researching new product potential, and strategic planning. Commercial internship positions are flexible in nature, both in time and location. The positions are generally not paid but have the potential to turn into consulting or full-time positions at Integral Molecular.


  • Learn about biotechnology and opportunities in science outside of research
  • Work with collegial, innovative, and intellectually stimulating team members in the development of new commercial products

Scientists with a demonstrated interest in business, strategy, and commercialization are encouraged to apply

  • Graduate students and post-docs are welcome (advisor approval may be required)
  • A degree or enrollment in a biological degree program at the MS/PhD level is required
  • Internships require a minimum of 5-10 hours/week of effort
  • Internship projects typically encompass 2-3 months of work
  • Successful candidates will be entrepreneurial and self-starting
  • Excellent organization and communication skills are required
  • Demonstrated interest or experience in business is desired, but prior business experience is not required
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Rachel Fong, Project Leader
“Friendly culture and sense of community”

Working at Integral Molecular has provided me valuable learning and leadership opportunities in an innovative, supportive, and fun environment. I have been able to grow from an entry-level position to a management position while still being challenged with new and interesting projects. My colleagues make it easy to show up at work with a smile every day!
– Rachel Fong, Project Leader

Ready to Apply? We'd Love to Hear From You!

Please submit your resume and cover letter to careers@integralmolecular.com with the Job ID# in the subject heading. Integral Molecular is an Equal Opportunity Employer.