Jobs in the United States

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Added 1 min ago
C
Security Engineer
Confido
New York, NY
- $190,000 to $240,000 USD / year
Confido is the AI operating system that runs cash application, deductions, trade and planning in one place for CPG brands. That means Finance, Sales, and Ops finally work on the same number.
Added 1 min ago
HH
Senior Firmware Engineer
Hinge Health
San Francisco, CA
- $156,000 to $214,500 USD / year
As a senior engineer, you’ll own a substantial firmware scope end to end, make technical decisions across prototyping, design, testing, and production, and work closely with electrical,…
Added 2 mins ago
Regional Product Line Manager, Industrial Hose
Gates Corporation
Denver, CO
Gates is a leading manufacturer of application-specific fluid power and power transmission solutions. We push the boundaries of material science to engineer solutions that continually…
Added 2 mins ago
Lead Software Engineer
IDEX Health & Science LLC
West Henrietta, NY
IDEX Life Science Optics is seeking an experienced Lead Software Engineer to lead the development and evolution of software systems that support engineering, commercial, manufacturing,…
Added 3 mins ago
Advanced Application Engineer
Beckhoff Automation Llc
United States
Beckhoff Automation is seeking an ambitious and skilled Application Development Engineer to support the development and delivery of cutting-edge automation solutions for our customers. As a…
Added 3 mins ago
SCADA Engineer
Puget Sound Energy
Redmond, WA
PSE's IT Infrastructure team is looking for qualified candidates to fill an open SCADA Engineer position!
Added 3 mins ago
Senior SCADA Engineer
Puget Sound Energy
Redmond, WA
PSE's IT Infrastructure team is looking for qualified candidates to fill an open Senior SCADA Engineer position!
Added 3 mins ago
Factory Automation Staff Engineer
Thermo Fisher Scientific
Carlsbad, CA
Personally design and build automation prototypes for labeling, pick-and-place, assembly, vision inspection, liquid handling, and material handling. Develop mechanisms, fixtures, component…
Added 3 mins ago
Digital Automation Staff Engineer
Thermo Fisher Scientific
Carlsbad, CA
We are seeking a hands-on Digital Automation Staff Engineer to join the Life Sciences Group (LSG) Advanced Engineering team and help build an operations-led automation acceleration…
Added 3 mins ago
Global Blackbelt, Senior Cloud Security Specialist
Darktrace Netherlands BV
United States
Proven experience as a Security Strategist,Security Strategist, Solutions Architect, Sales Engineer, Technical Account Manager, or similar customer-facing technical role. Experience on the…
Added 5 mins ago
Senior Solutions Engineer
BitSight Technologies
Boston, MA
…package, including but not but limited to medical, dental, and vision insurance; paid parental leave; flexible time off; a 401(k) plan with employee and company contribution opportunities;…
Added 7 mins ago
Field Engineer
DPR Construction
Greenwood Village, CO · Greenwood Village
…legally authorized to work in the United States at the time of application and must not require current or future sponsorship for employment visa…
Added 7 mins ago
Project Engineer
DPR Construction
Greenwood Village, CO · Greenwood Village
…legally authorized to work in the United States at the time of application and must not require current or future sponsorship for employment visa…
Added 7 mins ago
Automation and Controls Engineer
STL Stellar Energy
United States
As a member of the technical staff, the Automation and Controls Engineer is responsible for the design and implementation of control systems for automated TIAC (Turbine Inlet Air Cooling)…
Added 8 mins ago
Software Engineer, Experienced Associate
PricewaterhouseCoopers Advisory Services LLC
United States
As a Software Engineer, Experienced Associate you will contribute to the design, build, modernization, and scaling of custom applications across the software development lifecycle within…
Added 8 mins ago
AL
BAS/BMS Controls Engineer - Automated Logic
Automated Logic Contracting Sv
Orlando, FL
- $64,500 to $129,500 USD / year
As a BAS/BMS Controls Engineer, you will be crucial to ALC's business through the designing of advanced building automation systems created specifically for each individual customer. We are…
Added 9 mins ago
Design Engineer
Peoria, IL
Caterpillar’s EMD division is hiring for Design Engineer in Peoria, IL!
Added 10 mins ago
Senior Systems Engineer (5831) (Boulder, CO) (Secret)
SMX
Boulder, CO
SMX has an immediate opportunity for a Senior Systems Engineer who is excited to apply their talents to our customer's challenging project and one who will thrive in a collaborative…
Added 11 mins ago
AI Engineer I
Repligen Corp
Waltham, MA
As an AI Engineer, you will unlock and accelerate AI by designing the reusable components, starter kits, and opinionated developer first patterns for the Platform. This person will be a key…
Added 11 mins ago
SI
Hardware Engineer
Samtec, Inc
San Diego, CA
- $160,000 to $220,000 USD / year
Samtec is seeking a Senior Hardware Engineer with expertise in high-speed optoelectronic platforms to join our Vista, CA team. If you enjoy solving complex technical challenges and seeing…
Added 11 mins ago
Engineer I - Energy Consulting
VeregyLLC
Costa Mesa, CA
Do you want to be part of a TEAM who delivers Eco-Friendly Environments that Transform Lives? Then you are in the right place…start the application process today!
Added 12 mins ago
BC
Order Engineering Coordinator
B-O-F Corporation
Aurora, IL
- $55,000 to $68,000 USD / year
Background with configure-to-order or engineer-to-order products.
Added 12 mins ago
Advanced Systems Engineer
Aerospace
Phoenix, AZ
As an Advanced Systems Engineer in our team, you will be building the next generation Avionics platforms systems requirements and functional deliveries. The product you will be working on…
Added 12 mins ago
Project Engineer III, Midstream Facilities
Williams WPC-I, LLC.
United States
As a Project Engineer III, you’ll work independently on projects and technical assignments that directly impact our operations. Your extensive knowledge of processes and ability to…
Added 12 mins ago
Cobb- Real Time Feed Conversion
Cobb-Vantress, Inc.
Spavinaw, OK
…Noting any adjustments made to the machines. Consulting FCR engineer regarding problems with machines or birds. Troubleshooting and completing necessary repairs if possible.…

Repligen Corp

AI Engineer I

Waltham, MA, United States

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Job details

Experience: 3+ years of experience with AI technologies, particularly GenAI, LLM, Agentic AI, or MLOps, and delivering enterprise-scale, production-grade solutions
Posting language: English
Posted: Nov 9, 2026

Original job description

Job Summary

Make a global impact - join Repligen.

We’re united by a mission to inspire advances in bioprocessing as a preferred partner in the production of biologic drugs that improve human health worldwide. No matter your role or background, at Repligen, you will play a key part in shaping some of the most innovative and life-changing therapies in the world. We foster a culture of purpose, collaboration, and shared success - where every voice matters and every contribution drives progress. Join us! Role Overview We are seeking a unique individual with a passion for AI technology who can help to drive forward enterprise-wide scale AI adoption. Repligen is in a transformational period where we are accelerating our capabilities, technologies, and data to augment our scientific mission.

As an AI Engineer, you will unlock and accelerate AI by designing the reusable components, starter kits, and opinionated developer first patterns for the Platform. This person will be a key contributing member of the Data Platform, driving forward the deployment and management of Repligen’s enterprise platform for data & AI. This is a critical role for a highly skilled AI engineer who is passionate about building innovative solutions. This role operates at the platform level, shaping how teams build AI on the platform by turning best practices into predictable and repeatable patterns embedding governance into code, and reducing time to value for new use cases. You will be at the heart of our AI initiatives, ensuring that we maintain engineering excellence while delivering impactful products.Key Responsibilities

Build and orchestrate multi-agent AI systems using state-of-the-art platforms, enabling agents to collaborate on task planning, data retrieval, and execution across complex business workflows.
Implement and continuously refine prompt engineering strategies, including prompt chaining, evaluation, and guardrails to improve accuracy and reliability
Build and maintain RAG (Retrieval-Augmented Generation) pipelines, including Data ingestion and indexing, Embedding generation, Retrieval optimization & Response grounding and validation
Development of scalable backend services using Python frameworks for data processing
Design and manage embedding pipelines and vector search infrastructure using tools such as Pinecone, FAISS, Weaviate, Databricks or Snowflake
Integrate LLM capabilities from platforms like OpenAI, Anthropic, and Microsoft into enterprise applications
Build and maintain scalable APIs and microservices to expose AI capabilities across systems and applications
Collaborate with data engineering and platform teams to ensure reliable data pipelines and access to high-quality data sources
Deploy, monitor, and optimize AI solutions in cloud environments (Azure, AWS, GCP), ensuring performance, scalability, and cost efficiency
Implement evaluation frameworks and monitoring for LLM outputs, including quality metrics, drift detection, and feedback loops
Troubleshoot and resolve issues in distributed AI systems, ensuring high availability and reliability
Partner with business stakeholders to translate requirements into AI-driven solutions and automation opportunities
Document architecture, design decisions, and best practices to support scalability and team adoption

Required Qualifications

Bachelor’s degree in computer science, Statistics, Data Science, Information Systems or related field
3+ years of experience with AI technologies, particularly GenAI, LLM, Agentic AI, or MLOps, and delivering enterprise-scale, production-grade solutions
Hands-on experience in building agentic AI systems, including multi-agent workflows, orchestration, and tool integration using frameworks such as AutoGen or CrewAI and failure handling
Experience deploying and scaling AI solutions on platforms including Azure AI Foundry, Copilot Studio, or Google Vertex AI
Hands-on experience in machine learning and deep learning frameworks such as TensorFlow, PyTorch, and scikit-learn.
Expertise in Generative AI and LLM application development using OpenAI and Anthropic APIs, including:
Advanced prompt engineering and optimization techniques
Design and implementation of Retrieval-Augmented Generation (RAG) architectures
Embeddings, semantic search, and contextual retrieval strategies
Experience with vector databases such as Pinecone, FAISS, Weaviate or AI data cloud platform such as Databricks or Snowflake
Strong background in API development, microservices architecture, and distributed systems, enabling scalable AI solution deployment
Experience with knowledge graphs, graph databases, or hybrid retrieval systems to enhance contextual reasoning and data relationships
Proficiency in Python programming
Experience deploying using CI/CD, infrastructure as code (Terraform), monitoring, debugging & managing AI/ML solutions in cloud environments AWS, Azure & GCP

Our mission is to inspire advances in bioprocessing as a trusted partner in the production of biologic drugs that improve human health worldwide. Focused on cost and process efficiencies, we deliver innovative technologies and solutions that help set new standards in bioprocessing. The estimated salary range for this role, based in the United States of America is $130,000-$160,000. Compensation decisions are dependent on several factors including, but not limited to an individual's qualifications, location, internal equity, and alignment with market data. Additionally, employees are eligible to participate in one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package. We offer a wide range of benefits such as paid time off, health/dental/vision, retirement benefits and flexible spending accounts. All compensation and benefits information will be confirmed in writing at the time of offer.

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More about this job

Skills

Manage schedule of tasks
Python
Process data
Databricks
Snowflake
Data engineering
Microsoft Azure
AWS
Google Cloud
Troubleshoot
Computer science
Statistics
Machine learning
Deep learning
TensorFlow
PyTorch
Scikit-learn
API development
Microservices Architecture
Solution deployment
CI/CD
Infrastructure as code
IBM Terraform
Debugging
ML
Compensation and benefits

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