Vistra Corp Jobs

Principal Architect, BU

Vistra Corp

Principal Architect, BU

Posted Yesterday

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Irving, TX, USA

Hybrid

Expert/Leader

Energy

The Role

Leads enterprise application and solution architecture, cloud strategy, technology governance, reference architectures, automation platforms, and digital labor initiatives. Partners with business leaders to define technology roadmaps, improve operating efficiency, manage costs, and drive standards adoption. The role requires designing AWS cloud-native data and market-data architectures, supporting energy trading systems, making build-versus-buy decisions, and providing hands-on technical leadership across Java, Python, Groovy, SQL, and modern integration technologies while mentoring engineering teams.

Summary Generated by Built In

If you have what it takes to become part of the Vistra family and would like to start a promising career with a global leader, take a look at the exciting employment opportunities that are currently available and apply online.

Job Summary

The Principal Application Architect will be responsible for managing Application and Solution Architecture Services, the Cloud Strategy, planning and execution. Also responsible for gaining cost efficiencies across the IT landscape and then take those lessons and apply to Business. Drive adoption of Automation processes and tools Enterprise wide.

Job Description

Key Accountabilities

•Oversee the architecture and platforms for all applications and information architecture.

•Engage business unit leaders to define technology solutions and roadmaps in their domain

•Define the Guiding Principles, Standards and Roadmap for all applications

•Design and solution infrastructure, and cloud architecture to meet business requirements while complying to technology standards

•Define and communicate the Enterprise Architecture and Tech Governance Practice including: Principles, Models, Standards, Best Practices, and the roles and responsibilities of the architecture community

•Drive a culture of accountability, communication, clarity, and collaboration with specific focus on business value, return on investment, and cost management.

•Recommend, implement, manage, and maintain the technology platforms that enable Digital Labor

•Create and maintain a reference architecture that enforces standards, guidelines, and leading practices

•Lead, support, and guide counselees within the Digital Labor Center of Excellence and increase competency of Automation Engineers

Education, Experience, & Skill Requirements

•8+ years minimum; 12+ years preferred

•5+ years experience managing/supervising teams

•Working knowledge of technology best practices, methodologies and processes (e.g., ISO 9000, ITIL, Cloud, Agile, Scrum, DevOps, TOGAF).

•Working knowledge of relevant project and program management concepts and techniques.

•Experience gained through college degree programs and/or certifications is applicable to above skills

Key Metrics

•Project/program benefits realization and business customer satisfaction with delivered change.

•Team member engagement across technology department

Tools adoption and usage, where appropriate

•Ensuring that the IT organization is effectively meeting the goals and objectives of the corporation.

•Providing a consistent and efficient operating model adhering to the established fiscal controls and meeting or exceeding the defined key performance indicators.

•Identifying areas for improvement that will result in reduced operating or capital expense.

•Identifying areas for automation that will result in increased operational efficiency and decreased operational cost.

Energy & Utilities Domain — US Power Trading/Commercial experience (ERCOT/PJM/MISO/SPP). Day-ahead/real-time bidding, forward curves, CRRs, ETRM, commercial optimization. Plant-side systems (PI, GADS, CEMS, Maximo) a plus.

Cloud-Native Data Lake & Market Data Architecture — Delivered unified data lakes ingesting commodity feeds (ICE/CME), ISO pricing/LMPs, forward curves (ZEMA/Morningstar/Platts), historians, and ETRM. ISO data extraction across major RTOs. Enterprise integration (MuleSoft, Active MQ, Rabbit MQ) with event-driven/batch/CDC patterns. AWS pipelines (Glue, Step Functions, Lambda, MWAA, Kinesis) and consumption layers (Athena, Redshift, Lake Formation). Sound build-vs-buy judgment.

AWS Architecture & Strategy — Enterprise architecture for event-driven pipelines (Lambda, Step Functions, Event Bridge, Kinesis, MSK), AI/ML (Bedrock, SageMaker), multi-database (RDS, Aurora, DynamoDB, Redshift, Fabric). Delivers reference implementations, ADRs, and governance — not just diagrams.

Polyglot Technical Leadership & Execution — Leads by building: Java/Spring Boot, Python, Groovy, complex multi-engine SQL, modern web frameworks. Technical decision-maker across concurrent workstreams — unblocks teams tactically (code reviews, design sessions) while driving strategy (roadmaps, platform evolution). Working architect who mentors, stays code-current, and owns decisions and consequences.

#LI-Hybrid

#LI-ND1

Job Family

Information Technology

Company

Vistra Corporate Services Company

Locations

Irving, Texas

Texas

We are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication. If this describes you, then apply today!

If you currently work for Vistra or its subsidiaries, please apply via the internal career site.

It is the policy of the Company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, sexual orientation, gender identity, pregnancy, national origin, age, disability, genetic information, military service, protected veteran status, or any other consideration protected by federal, state or local laws.

If you are an individual with a disability and need assistance submitting an application or would like to request an accommodation, please email us at [email protected] to make a request.

Skills Required

8+ years of relevant experience
12+ years of relevant experience preferred
5+ years of experience managing or supervising teams
Working knowledge of technology best practices, methodologies, and processes, including ISO 9000, ITIL, Cloud, Agile, Scrum, DevOps, and TOGAF
Working knowledge of project and program management concepts and techniques
College degree programs and/or certifications applicable to the required skills
US power trading or commercial experience involving ERCOT, PJM, MISO, or SPP
Experience with day-ahead or real-time bidding, forward curves, CRRs, ETRM, and commercial optimization
Experience delivering cloud-native data lakes and market-data architectures
Experience with commodity feeds, ISO pricing, forward curves, historians, ETRM, and ISO data extraction
Experience with enterprise integration and event-driven, batch, or CDC patterns
AWS enterprise architecture and cloud strategy experience
Experience delivering reference implementations, architecture decision records, and technology governance
Hands-on experience with Java, Spring Boot, Python, Groovy, complex SQL, and modern web frameworks
Experience leading concurrent technical workstreams, conducting code reviews, and mentoring engineers

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The Company

HQ: Causeway Bay

1,186 Employees

What We Do

Vistra is a premier, integrated, Fortune 300 energy company based in Irving, Texas, providing essential resources for customers, commerce, and communities. Vistra combines an innovative, customer-centric approach to retail with safe, reliable, diverse, and efficient power generation. The company brings its products and services to market in 20 states and the District of Columbia, including six of the seven competitive power markets in the U.S. and markets in Canada and Japan, as well.