Senior Principal Architect, AI

Sphera Holdings, Inc.

Job Overview

Location

US Remote

Job Type

Full-time

Full Job Description

📋 Description

• Sphera is a leading global provider of enterprise software and services that enables companies to manage and optimize their environmental, health, safety and sustainability.
• Our mission is to create a safer, more sustainable and productive world.
• Sphera is a portfolio company of Blackstone, a U.S.-based alternative asset investment company that focuses on private equity, technology and innovation, and more.
• Blackstone businesses succeed through strong partnerships, a personalized approach and a commitment to exceptional performance with uncompromising integrity.
• Sphera and Blackstone are leaders in the Environmental, Social and Governance (ESG) space.
• We are guided by our core values of Customer Centricity, Accountability, Bias to Action, Innovation, and Collaboration.
• These values help us recruit the right talent to join our rapidly expanding team around the globe.
• It is important to us that each and every Spherion is not only eager to challenge themselves and knows how to get work done but is an awesome addition to our company culture.
• Sphera is seeking a Sr. Principal Architect, Artificial Intelligence to serve as the technical backbone of the AI Center of Excellence (COE).
• This is a hands-on practitioner role — equal parts architect, process owner, and governance lead — responsible for how AI is designed, delivered, governed, and scaled across the organization.
• Key Responsibilities:
• Own and operate the AIDLC — Sphera's agentic software delivery framework that applies across all engineering, not just AI projects.
• Steward the full AIDLC toolkit — including the MCP server infrastructure, governance/spec/code repo structure, Claude Desktop and Claude Code configurations, role-based permission model, skills library, and structured artifact standards.
• Establish and enforce the defined delivery roles across squads — ensuring each role operates within its scope and that agentic execution is properly supervised and validated at every stage.
• Drive adoption of the AIDLC operating model across engineering teams — onboarding squads, enforcing framework discipline, and intervening where teams drift toward ad-hoc approaches or accumulate governance gaps.
• Continuously improve the framework — capturing lessons from live delivery cycles, promoting reusable patterns into the governance layer, and evolving the toolkit as new tooling, model capabilities, and organizational learnings emerge.
• Leverage 3rd party standards and frameworks to help fill gaps in AIDLC governance framework and capabilities.
• Serve as the senior technical practitioner within the AI COE — personally designing, building, and guiding AI solutions from concept through production across the portfolio.
• Design end-to-end AI solution architecture across the SpheraCloud Platform and product portfolio — including LLM integration patterns, agentic workflows, RAG pipelines, semantic search, and data services on Azure AI Foundry and Databricks Mosaic AI.
• Personally build proof-of-concept implementations — writing code, configuring AI pipelines, and validating model outputs across use cases including AI agents, data mapping, materials search, and predictive analytics.
• Embed directly within AI COE delivery squads, providing architecture guidance, code reviews, and hands-on support across active projects.
• Evaluate and benchmark emerging AI tools, models, and frameworks through structured experimentation, producing clear technical recommendations from hands-on testing.
• Define and apply AI solution evaluation frameworks — covering prompt quality, model accuracy, latency, cost, and production reliability — and monitor deployed features for drift and degradation.
• Qualifications & Experience:
• Bachelor’s degree in computer science, Data Science, Engineering, or equivalent practical experience building production AI systems.
• 8+ years in software or platform engineering or solutions architecture, with a clear shift toward AI/ML implementation in recent roles.
• 3+ years of hands-on experience designing and delivering production AI solutions — LLM applications, RAG systems, agentic workflows, or multi-model orchestration pipelines.
• Deep practical knowledge of LLMs, prompt engineering, RAG, vector stores, and orchestration frameworks such as LangChain, LangGraph, or Semantic Kernel.
• Fluent in Python; comfortable across the full AI stack including Azure AI Foundry, Azure Data Lake, APIM, and Databricks Mosaic AI.
• Experience owning an AI delivery lifecycle or methodology — including standards definition, team onboarding, and process governance across concurrent projects.
• Familiarity with agentic AI tooling including Claude Code and Claude Desktop with MCP servers, and structured artifact-driven delivery models.
• Experience developing corporate AI governance frameworks — acceptable use policies, model approval processes, usage management, and audit readiness.
• Working knowledge of GDPR, CCPA, and EU AI Act; experience partnering with Legal and InfoSec to operationalize AI compliance obligations.
• Strong communicator — able to translate architectural and governance decisions clearly across engineering teams, product owners, and executive leadership.
• Key Attributes:
• Comfortable designing an LLM integration pattern, reviewing artifacts with a squad, and drafting an AI acceptable use policy, all in the same day.
• Governance-minded without being bureaucratic — builds standards and guardrails that make teams faster, not slower.
• Deep practitioner who earns credibility through the quality of their work — whether an architectural decision record, a prompt evaluation harness, or a hands-on prototype.
• Process champion who takes the AIDLC seriously as a methodology — actively holds teams to the framework and intervenes early before drift or technical debt accumulates.
• Collaborative across functions — works fluidly with engineering, product, InfoSec, Legal, and senior leadership, translating between technical depth and business consequence depending on the audience.
• Curious and opinionated — tracks model releases, framework evolution, and regulatory developments, and brings that knowledge back in concrete, actionable recommendations.
• Demonstrates alignment with Sphera's mission to help organizations create a safer, more sustainable, and productive world — and understands that responsible, governed AI is the foundation of that, not a constraint on it.

🎯 Requirements

• Bachelor’s degree in computer science, Data Science, Engineering, or equivalent practical experience building production AI systems.
• 8+ years in software or platform engineering or solutions architecture, with a clear shift toward AI/ML implementation in recent roles.
• 3+ years of hands-on experience designing and delivering production AI solutions — LLM applications, RAG systems, agentic workflows, or multi-model orchestration pipelines.
• Deep practical knowledge of LLMs, prompt engineering, RAG, vector stores, and orchestration frameworks such as LangChain, LangGraph, or Semantic Kernel.

🏖️ Benefits

• Medical, Dental, and Vision Insurance
• Health Savings Account
• Flexible Spending Account
• 401(k) Retirement Plan with Company Match
• Life and Disability Insurance
• Critical Illness Insurance
• Accident Insurance
• Hospital Indemnity Insurance
• Paid Time Off and Holidays
• Flexible Working Schedule

Skills & Technologies

Python

Azure

Senior

Remote

Degree Required

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Sphera Holdings, Inc.

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About Sphera Holdings, Inc.

Sphera provides environmental, social and governance (ESG) software, data and consulting services to industrial and investment clients worldwide. The company’s cloud platform unifies operational risk, product stewardship, environmental health and safety, and sustainability performance management, enabling organizations to collect, analyze and report on emissions, chemicals, hazards, and regulatory requirements. Sphera serves manufacturing, energy, chemicals, consumer goods, and private-equity sectors, offering content libraries, predictive analytics, and professional services that support compliance, decarbonization, and supply-chain transparency initiatives.

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