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
Education, Experience, & Skill Requirements
Key Metrics
Tools adoption and usage, where appropriate
- 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 TechnologyCompany
Vistra Corporate Services CompanyLocations
Irving, TexasTexasIt 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 relevant experience
- 12+ years preferred
- 5+ years managing/supervising teams
- Working knowledge of ISO 9000, ITIL, Cloud, Agile, Scrum, DevOps, TOGAF
- Working knowledge of project and program management concepts and techniques
- US Power Trading / Commercial experience (ERCOT, PJM, MISO, SPP) including day‑ahead/real‑time bidding, forward curves, CRRs, ETRM
- Cloud-native data lake and market data architecture experience ingesting commodity feeds and ISO pricing/LMPs
- Enterprise integration experience (MuleSoft, ActiveMQ, RabbitMQ) with event-driven, batch and CDC patterns
- AWS pipeline and consumption layer experience (Glue, Step Functions, Lambda, MWAA, Kinesis, Athena, Redshift, Lake Formation)
- AWS architecture for event-driven pipelines and AI/ML (EventBridge, MSK, Bedrock, SageMaker); multi-database (RDS, Aurora, DynamoDB, Redshift, Fabric)
- Hands-on development experience with Java/Spring Boot, Python, Groovy, complex SQL, and modern web frameworks
- Technical leadership: design decision-making, code reviews, mentoring, and owning architectural decisions
- Familiarity with plant-side systems (PI, GADS, CEMS, Maximo) a plus
- Experience through college degree programs and/or certifications applicable to above skills
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.







