Full-Time

Filling & Assembly Specialist 1

Cell Signaling Technology

Cell Signaling Technology

1,001-5,000 employees

Antibody development and validated research tools

Compensation Overview

$23.50 - $28/hr

Peabody, MA, USA

In Person

On-site in Beverly, MA; no remote option stated.

Associate's

Category
Biology & Biotech (1)
Required Skills
Inventory Management
Assembly

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Requirements
  • High school diploma or GED equivalent
  • Minimum of one year of work experience
  • Strong computer skills, including experience with Google
  • Excellent communication skills
  • Strong team player
  • Ability to follow detailed directions
  • Strong organizational skills
Responsibilities
  • Precision Manufacturing & Quality Control
  • Execute the precision aliquoting and filling of antibody products using advanced liquid handling techniques, maintaining strict adherence to Standard Operating Procedures (SOPs) to guarantee product quality and integrity
  • Set up, change over, and operate labeling, pumping, and automated packaging equipment to maintain high production throughput
  • Inspect and assemble final product components using both manual and automated systems for order fulfillment, ensuring all output meets defined quality specifications. Packaging, Labeling, & Compliance
  • Perform vial labeling and package preparation, strictly following Quality Control (QC) guidelines to ensure all labeling and packaging meets regulatory and compliance requirements
  • Maintain consistent compliance with all regulatory requirements, Good Manufacturing Practices (GMP), and internal SOPs throughout all phases of production. Maintain conformance with all relevant Quality Management System (QMS) policies Inventory & Operational Support
  • Manage and maintain accurate inventory records by performing timely and accurate data entry and updates within the system
  • Implement and maintain organized inventory systems for packaging supplies, ensuring adequate stock levels and timely replenishment to prevent production delays
  • Commit to continuous skill development to effectively handle new product portfolios and technologies
  • Perform other duties as assigned
  • Cross-functional tasks and special projects as needed
Desired Qualifications
  • Associate degree preferred
  • Previous discrete manufacturing experience is a plus (e.g. filling, labeling, assembly, etc.)
  • Previous experience with tracking and replenishing inventory preferred
  • Previous experience utilizing an electronic inventory system or enterprise resource planning tool ideal
  • Willingness to learn and apply new techniques and processes in the spirit of continuous improvement and enhanced efficiency/effectiveness
Cell Signaling Technology

Cell Signaling Technology

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Cell Signaling Technology (CST) provides antibodies and related research products for scientists, especially in cancer research. Its main offering is antibodies that are thoroughly validated for multiple experimental applications, ensuring reliability across experiments. CST’s antibodies are produced by Ph.D.-level scientists who also deliver technical guidance and support to researchers to help achieve dependable results. The company differentiates itself through its strong emphasis on validation, quality control, and hands-on scientific support from its own researchers, operating with a family-owned, research-institute mindset rather than purely as a generic supplier. CST’s goal is to help researchers obtain accurate, reproducible data by supplying validated antibodies and expert methods guidance for use in the lab.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Danvers, Massachusetts

Founded

1999

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Simplify Jobs

Simplify's Take

What believers are saying

  • Quantum-Si and CST partnered June 2026 to validate PTM analysis on Proteus.
  • CST and MJFF are developing Parkinson's antibodies, expanding disease-targeted reagent demand.
  • Nordic Biosite began exclusive Nordic distribution for CST G4S Linker antibodies in August 2026.

What critics are saying

  • CST sells research-use-only reagents; a single validation miss destroys trust fast.
  • Spatial-biology rivals compress CST's mid-plex advantage as panels standardize.
  • If citation leadership fades, CST's antibody brand moat collapses and pricing power erodes.

What makes Cell Signaling Technology unique

  • CST remains scientist-owned and runs a 600-plus employee antibody platform from Danvers.
  • CiteAb named CST 2026 Phospho Antibody Supplier of the Year.
  • CST pairs validated antibodies with SignalStar multiplex IHC and PTM analysis partnerships.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Company Match

Tuition Reimbursement

Unlimited Paid Time Off

Parental Leave

Employee Assistance Program

Professional Development Budget

Growth & Insights and Company News

Headcount

6 month growth

27%

1 year growth

27%

2 year growth

27%
Nordic Biosite
Aug 19th, 2026
Nordic Biosite is the exclusive Nordic distributor for CST's G4S Linker Rabbit Monoclonal antibodies.

Nordic Biosite is the exclusive Nordic distributor for CST's G4S Linker Rabbit Monoclonal antibodies. news August 19 2026 Nordic Biosite is excited to announce its exclusive distribution partnership across Sweden, Denmark, Norway, and Finland for Cell Signaling Technology's (CST) premier line of Pre-GMP-grade G4S Linker antibodies. Chimeric Antigen Receptor (CAR) cell therapy is moving at a rapid pace, but researchers often struggle with reliable tracking reagents during early-phase development. This exclusive partnership changes that by bringing CST's premier translational tools directly to the Nordic region. Nordic Biosite is fully authorized to distribute the following early-access, Pre-GMP-grade products: * G4S Linker (E7O2V) Rabbit Monoclonal Antibody (PE Conjugate) * G4S Linker (E7O2V) Rabbit Monoclonal Antibody (Biotin Conjugate) By keeping these high-demand reagents in local stock, Nordic Biosite eliminates long international shipping delays, ensuring your lab has immediate access to the exact tools you need to advance your cell therapy research. News & articles. News August 13 2026 News July 31 2026 News June 30 2026 News August 19 2026 News August 18 2026 News August 13 2026 News July 31 2026 News June 30 2026 News August 19 2026 News August 18 2026

BioSpace
Mar 26th, 2025
Leveragen Partners with Cell Signaling Technology to Advance Reagent Antibody Innovation with Proprietary Nanobody Technology

Leveragen partners with Cell Signaling Technology to advance reagent antibody innovation with proprietary nanobody Technology.

Cell Signaling Technology
Feb 12th, 2025
Does It Really Work? How InTraSeq(TM) Integrates Transcriptomic, Proteomic, & Intracellular Interaction Data

Cell Signaling Technology, Inc. is thrilled to announce the winners of the 5th annual Rising Black Scientists Awards!

Cell Signaling Technology
Oct 24th, 2023
Cell Signaling Technology and The Michael J. Fox Foundation Partner to Develop High-Quality Antibody Tools for Parkinson's Disease Research

Cell Signaling Technology (CST), a life science discovery technology company and leading provider of antibodies, kits, and services, announced their partnership with The Michael J. Fox Foundation for Parkinson's Research (MJFF) today to identify and develop high-quality monoclonal antibodies for promising Parkinson's disease (PD) targets.

Compsmag
Sep 20th, 2023
Green Chemistry Education: Cell Signaling Technology and Beyond Benign Join Forces for a Sustainable Future!

According to a recent announcement, Cell Signaling Technology (CST), a prominent life sciences discovery technology company, has partnered with Beyond Benign, a global green chemistry education nonprofit.