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Principal Engineer, Agentic Engineering

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Kount
Part Time position
Listed on 2026-02-15
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Overview

Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you.

Equifax is seeking a visionary Principal Engineer to lead the charge in revolutionizing our product embarking on a transformation journey. You will be the single-threaded owner responsible for transforming our software development lifecycle (SDLC) by orchestrating and extending the capabilities of Git Hub Copilot. The ultimate goal is to create a highly leveraged engineering organization where Copilot acts as a true autonomous agent, handling complex tasks from code generation and testing to incident response and documentation, all while operating within a well-defined, observable, and secure framework you own.

This role requires being in the office 3 days/week on Tues - Thurs.

This position does not offer immigration sponsorship (current or future) including F-1 STEM OPT extension support.

What You’ll Do
  • Define the strategic roadmap for the platform with Git Hub Copilot, treating it as a first-class internal product. Architect the complete system for Copilot's invocation, context retrieval, and action execution using custom tools.

  • Design and manage the Model Context Protocol (MCP) toolset, enabling Copilot's interaction with third-party services like Service Now, Atlassian, Data Dog, and GCP for context and action.

  • Engineer the strategy for providing scalable context to Git Hub Copilot, shaping its persona and behavior by translating internal engineering standards into a centralized, version-controlled repository of custom instructions and integrating vendor-provided connectors for various contexts.

  • Design, test, and refine complex prompts and contextual data frameworks to ensure our coding agents perform with maximum accuracy, efficiency, and reliability.

  • Define and monitor key performance indicators (KPIs) for the agentic system's effectiveness and implement a robust observability stack to track Copilot's interactions for continuous optimization.

  • Establish the platform's security posture by implementing safeguards for custom tools and APIs exposed to Copilot, and design a "human-in-the-loop" framework for critical actions

  • Define and enforce granular, code-driven permissions (RBAC) for the custom Git Hub Actions and APIs that Copilot can invoke, ensuring the principle of least privilege.

  • Demonstrate a deep understanding of cloud native, distributed micro service based architectures

  • Deliver solutions for complex business problems through software standard SDLC

  • Build strong relationships with both internal and external stakeholders including product, business and sales partners

  • Demonstrate excellent communication skills with the ability to both simplify complex problems and also dive deeper if needed

  • Build and manage strong technical teams that deliver complex software solutions that scale

  • Provide deep troubleshooting skills with the ability to lead and solve production and customer issues under pressure

  • Leverage strong experience in full stack software development and public cloud like GCP and AWS

  • Mentor, coach and develop junior and other engineers

  • Lead with a data/metrics driven mindset with extreme focus towards optimizing and creating efficient solutions

  • Ensure compliance with EFX secure software development guidelines and best practices and responsible for meeting and maintaining QE, Dev Sec, and Fin Ops KPIs

  • Define, maintain and report SLA, SLO, SLIs meeting EFX engineering standards in partnership with the product, engineering and architecture teams

  • Collaborate with architects, SRE leads and other technical leadership on strategic technical direction, guidelines, and best practices

  • Drive up-to-date technical documentation including support, end user documentation and run books

  • Responsible for implementation architecture decision making associated with Product features/stories, refactoring work, and EOSL decisions

  • Create and deliver technical presentations to internal and external technical and non-technical stakeholders communicating with clarity and precision, and present complex…

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