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Alight Solutions

AI Platform Engineer

Alight Solutions

. Build agent patterns, retrieval systems, and guardrails for AI assistants serving Alight participants .

Posted 9/25/2026full-timeRemote • Illinois • United StatesMid-LevelSenior💰 $120,000 - $220,000 per yearWebsite

Tech Stack

Tools & technologies
AWSCloudPython

About the role

Key responsibilities & impact
  • Build agent patterns, retrieval systems, and guardrails for AI assistants serving Alight participants
  • Develop an MCP server providing a skills registry to AI coding agents in the IDE
  • Create reusable LangGraph agent patterns for multi-agent orchestration, memory, tool-use safety, and guardrails
  • Build an agent evaluation platform using DeepEval and Ragas with CI/CD quality gates
  • Develop document ingestion and retrieval pipelines covering chunking, embedding, vector search, reranking, and citations
  • Automate CI/CD and deployment of AI agents on AWS using ECS, Fargate, and Agent Core
  • Build AI-enabled devcontainers with integrated tooling, validation, and testing
  • Instrument production workloads with OpenTelemetry and create dashboards for LLM cost and token tracking
  • Convert governance controls into pipeline checks and automatically collect evidence
  • Implement semantic caching, rate limiting, and graceful degradation for agent workloads
  • Create reference implementations, SDK and CLI tooling, documentation, and reusable infrastructure for other engineers

Requirements

What you’ll need
  • Python proficiency (3.10+); primary team language
  • Working knowledge of AWS core services, including IAM, ECS/Fargate, and networking
  • Comfort in cloud-native environments
  • Version control with Git/GitHub
  • Code review, testing, documentation, and clean-code practices
  • Security awareness regarding secrets, permissions, sensitive data, and data protection
  • Expertise in at least one of: AI agent development; data and retrieval engineering; quality and evaluation; platform and infrastructure; observability and operations; developer experience
  • Applicants must have work authorization in the employing country that does not now or in the future require visa sponsorship
  • Successful completion of a background check, as applicable to the position

Benefits

Comp & perks
  • Health, dental, and vision coverages starting Day One
  • Wellbeing programs
  • Retirement plans with contribution matching
  • Generous time off
  • Parental leave
  • Continuing education and training
  • Career growth opportunities
  • Flexible working arrangements wherever possible
  • Competitive total rewards package
  • Potential bonus and/or incentive eligibility depending on role and level
  • Reasonable accommodations for persons with disabilities