Senior Platform Engineer — AI Agentic Platform

Lincoln Financial Group; Radnor (Delaware County); Hybrid; USD 130,000 - 190,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Lincoln Financial Group is seeking a Sr. Associate, Agentic Platform Engineer to build and scale a shared cloud platform for AI agents and agentic applications on AWS.

You will focus on runtime, tooling, and guardrails for secure, scalable agentic systems, including model access, tool integration, and DevSecOps practices. The role requires 5+ years in platform engineering and expertise in AWS services for AI workloads, LangChain/LangGraph, and strong Python skills.

Qualifications

• 5+ years of experience in platform engineering, cloud infrastructure, DevOps, or SRE, with hands-on work building or operating AI/LLM-based applications.

Responsibilities

• Build and maintain shared platform services that support agent runtimes, LLM gateways, model routing, prompt/context management, and tool integration.
• Standardize agentic delivery patterns including tool/function calling, MCP-style tool servers, retrieval pipelines, memory and state management, and multi-agent orchestration.
• Implement guardrails for agent safety: input/output filtering, prompt injection defenses, human-in-the-loop approval paths, sandboxed execution, and least-privilege agent identities.
• Improve developer productivity through CI/CD, environment templates, agent scaffolding, SDKs, and platform automation.
• Build observability and evaluation for agentic systems: tracing, token and cost telemetry, latency, quality/eval harnesses, and regression testing of prompts and agent behavior.
• Manage cost-aware model consumption, rate limits, caching, and secure secrets/access patterns across environments.
• Partner with architecture, security, risk, and engineering leaders to apply AI controls, interoperability standards, and governance guardrails.
• Document platform standards and help delivery teams adopt agentic patterns consistently.

Skills

AWS

Python

CI/CD

GitLab

Observability

Platform standards

Containerization

API infrastructure

Tools

LangChain

LangGraph

MCP

Vector databases

RAG architectures

Job description

Lincoln Financial Group is seeking a Sr. Associate, Agentic Platform Engineer to build and scale a shared cloud platform for AI agents and agentic applications on AWS.

You will focus on runtime, tooling, and guardrails for secure, scalable agentic systems, including model access, tool integration, and DevSecOps practices. The role requires 5+ years in platform engineering and expertise in AWS services for AI workloads, LangChain/LangGraph, and strong Python skills.