Senior Platform Engineer

$101.5k - $169.1k

Cox Automotive

Cox Automotive's Engineering & Technology organization is building a centralized Enterprise AI Integration Platform - the governed infrastructure layer that allows every team in the organization to connect AI agents (Claude, Copilot Studio, Claude Code) to enterprise data sources in a secure, observable, and self-service way. This Senior Platform Engineer will own the technical implementation of that platform: the central AI gateway server, the on-demand connector provisioning engine, the identity-driven session layer, and the observability stack that gives the organization full visibility into every AI tool call made against production data.
This is one of a small number of roles at Cox Automotive working at the intersection of enterprise infrastructure engineering and Model Context Protocol (MCP) - the protocol rapidly becoming the standard interface between AI agents and enterprise systems. The work is novel, the surface area is broad, and the organizational impact is significant.
What You'll Do:
Design, implement, and optimize the central AI Gateway MCP server - the single governed endpoint through which all AI client connections route, built on FastAPI + uvicorn for high-concurrency enterprise workloads
Build and maintain the Redis ElastiCache session layer that binds Microsoft Entra identity to role-resolved MCP tool sets, including token lifecycle management, sliding TTL extension, per-user quota enforcement, and distributed rate limiting
Implement the on-demand connector provisioning engine - a system that provisions compute containers with enterprise client drivers, establishes VPC-internal network paths, and retrieves credentials from AWS Secrets Manager automatically when a user's AI agent declares intent to access a data source
Build enterprise system connectors as MCP tool sets: Oracle DB, SharePoint Graph API, Rally, ServiceNow, and a vendor connector approval pipeline with ECR container image scanning and an Aurora-backed connector registry
Implement comprehensive automated testing: unit, integration, load testing (1,000+ concurrent users), and chaos testing for connector fault tolerance
Build and maintain the full observability stack: structured logging, Prometheus metrics, Kinesis Firehose OpenSearch indexing, and Grafana dashboards for per-user, per-tool, per-session audit trails
Design and implement CI/CD pipelines for all platform components via GitHub Actions, with automated container image builds, ECS task definition updates, and blue/green deployments
Own security controls: Entra OIDC token validation, PII masking on all tool responses, WAF rule management, Secrets Manager integration with autorotation, and OWASP-aligned secure API design
Maintain and extend the existing Snowflake MCP codebase that forms the foundation of the platform, including session management, RBAC, PII masking, configuration management, and secrets integration modules
Develop troubleshooting and diagnostic tools for production support
Create documentation, runbooks, and operational playbooks for platform support and maintenance
Who You Are:
Minimum Requirements:
Bachelor's degree in a related discipline and 4 years' experience in a related field. The right candidate could also have a different combination, such as a master's degree and 2 years' experience; a Ph.D. and up to 1 year of experience; or 16 years' experience in a related field
Python development (4+ years) with advanced async/await patterns, FastAPI, multiprocessing, and production performance optimization
Model Context Protocol (MCP) - hands-on implementation experience with MCP servers, tool definitions, and client integration patterns; ability to read and extend the protocol specification independently
AWS platform depth: ECS Fargate task lifecycle management, ElastiCache Redis (TLS, clustering, eviction policies), Secrets Manager, Route 53, ALB (sticky sessions, TLS termination), ECR, Aurora Postgres, SSM Parameter Store, CloudWatch, Kinesis Firehose
Microsoft Entra ID / Azure AD integration: OIDC federation, group membership extraction via Graph API or JWT claims, RBAC pattern implementation
Database integration and optimization: Oracle, PostgreSQL, Snowflake, SQL Server - including connection pooling, query optimization, and schema introspection
Distributed systems patterns: circuit breakers, retry with exponential backoff, bulkhead isolation, Redis-backed distributed state, graceful degradation
Container platform: Docker multi-stage builds, ECS task definitions, non-root container security, health endpoint implementation
REST API security: JWT validation, rate limiting, input validation, PII detection and masking
Observability: structured JSON logging, Prometheus client instrumentation, distributed tracing concepts, CloudWatch Logs Insights
Version control and CI/CD (Git, GitHub Actions, automated testing pipelines)
Availability for rotational on-call duties outside of standard business hours may be required
Preferred Experience
High-concurrency MCP server development with proven experience supporting enterprise-scale concurrent sessions
Snowflake advanced optimization: warehouse sizing, query profiling, result caching, role-based access patterns
Infrastructure-as-code with Terraform for AWS resource provisioning
On-demand infrastructure provisioning: ephemeral container lifecycle, VPC-internal networking, dynamic credential injection
Redis advanced patterns: sliding window rate limiting, distributed quota enforcement, pub/sub for session events
Enterprise compliance: audit logging design, data governance patterns, OWASP Top 10 remediation
Experience working with AI/LLM platforms, agentic frameworks, or AI developer tooling
Familiarity with the MCP ecosystem: Anthropic Claude integration, MCP client patterns in Claude.ai, Claude Code, or Copilot Studio
Security best practices including OWASP guidelines and secure coding practices
DevOps experience including infrastructure automation and deployment strategies
USD 101,500.00 - 169,100.00 per year
Compensation:
Compensation includes a base salary in the range of $101,500.00 - $169,100.00. The base salary may vary within the anticipated base pay range based on factors such as the ultimate location of the position and the selected candidate's knowledge, skills, and abilities. Position may be eligible for additional compensation that may include an incentive program.
Benefits:
The Company offers eligible employees the flexibility to take as much vacation with pay as they deem consistent with their duties, the company's needs, and its obligations; seven paid holidays throughout the calendar year; and up to 160 hours of paid wellness annually for their own wellness or that of family members. Employees are also eligible for additional paid time off in the form of bereavement leave, time off to vote, jury duty leave, volunteer time off, military leave, and parental leave.
EOE, including disability/vets

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Vacancy posted 10 hours ago

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