Senior Principal, Platform Engineering

About the role

Johnson & Johnson is seeking a visionary Senior Principal Platform Engineer to be located in either Titusville, NJ or Horsham, PA. This position may require up to 10% travel within the New Jersey/Pennsylvania area and occasionally across North America.

Responsibilities

• Define and evolve the technical architecture for the AINF Workbench platform.
• Establish the engineering strategy for shared service integration, full stack requirements to support adoption at scale including establishing gateway services, and runtime capabilities.
• Lead development of reusable agent frameworks, skills definition, and agent integration strategies.
• Create a shared catalog of AI services, tools, agents, and business capabilities that can be reused across the Workbench ecosystem.
• Partner closely with AI Core teams to implement governed agent execution, observability, security controls, discoverability, and platform operations.
• Ensure Workbench capabilities consume and contribute to the broader J&J enterprise technology ecosystem through interoperable APIs, shared services, and standardized platform contracts.
• Define engineering quality metrics that measure platform reuse, service adoption, reliability, release velocity, developer productivity, and AI solution effectiveness.
• Build an engineering organization capable of supporting the long-term AINF roadmap, including future releases supporting AI channels, AI production, autonomous execution capabilities, and expanded enterprise adoption.

Requirements

• 10+ years of software engineering experience delivering enterprise-scale digital products, platforms, and distributed systems.
• 7+ years serving as a lead architect, principal engineer, or engineering lead responsible for platform architecture and technical strategy.
• 2+ years developing and using AI agents and orchestration platforms.
• Demonstrated experience leading large-scale platform modernization initiatives and establishing enterprise engineering standards.
• Proven track record building reusable platforms, frameworks, SDKs, and developer ecosystems rather than standalone applications.
• Experience operating within highly regulated or complex enterprise environments.
• Deep hands-on expertise developing modern cloud-native applications using: TypeScript, NodeJS, NestJS, React, NextJS, GraphQL, REST APIs, Server-Side Rendering (SSR), Static Site Generation (SSG), Client-Side Rendering (CSR).
• Intimate understanding of cloud native AWS services including: API Gateway, Lambda, EKS, EC2, SNS, SQS, EventBridge, DynamoDB, RDS, S3, CloudFront, CloudWatch, IAM, Secrets Manager.
• Demonstrated experience designing and implementing enterprise AI ecosystems including: Large Language Model (LLM) integrations, Agent-based systems, Multi-agent architectures, Agent orchestration, Retrieval-Augmented Generation (RAG), Tool-calling frameworks, Skills-based architectures, Context engineering, AI observability, AI governance, Agent-to-Agent (A2A) workflows, Model Context Protocol (MCP) integrations.
• Hands-on expertise with: Git, Jenkins, Terraform, Kubernetes, Docker, Infrastructure-as-Code.
• Platform observability.

Qualifications

• Candidate must possess deep working knowledge of the XENA platform including: XENA engineering principles and standards, engineering accelerators, AI-enabled SDLC capabilities, coding workflows, PR workflows, Enterprise architecture standards, JPM deployment framework and pipeline standards, Enterprise CI/CD governance, Approved engineering tooling and delivery patterns, AI-enabled SDLC acceleration capabilities.

Skills

• Continuous Integration and Continuous Deployment (CI/CD) Pipeline.
• Full Stack Development.
• Human-Computer Interaction (HCI).
• Innovation.
• Mentorship.
• Presentation Design.
• Requirements Analysis.
• Researching.
• Software Acquisitions.
• Software Development Management.
• Software Quality Assurance (SQA).
• Tactical Planning.
• Technical Credibility.
• Technical Troubleshooting.
• Technical Writing.
• Technologically Savvy.

Benefits

• Medical, dental, vision, life insurance, short- and long-term disability, business accident insurance, and group legal insurance.
• Consolidated retirement plan (pension) and savings plan (401(k)).
• Vacation – 120 hours per calendar year.
• Sick time – 40 hours per calendar year; for employees who reside in the State of Washington – 56 hours per calendar year.
• Holiday pay, including Floating Holidays – 13 days per calendar year.
• Work, Personal and Family Time – up to 40 hours per calendar year.
• Parental Leave – 480 hours within one year of the birth/adoption/foster care of a child.
• Condolence Leave – 30 days for an immediate family member: 5 days for an extended family member.
• Caregiver Leave – 10 days.
• Volunteer Leave – 4 days.
• Military Spouse Time-Off – 80 hours.