Senior- Principal Solution Engineer - C#/.NET

Job Posting End Date

09-10-2025

Please note the job posting will close on the day before the posting end date.

Job Summary

Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications. Support and/or install software applications. Participate in the testing process through test review and analysis, test witnessing and certification of software. Works within a Waterfall or Agile methodology/framework-based team. Collaborates heavily with Project Management, Business Analyst and Infrastructure Job Families.

Job Description What You'll Do:

- Support Commercial Operations by facilitating Day Ahead and Real-Time Market Operations, including in-house solutions.

- Troubleshoot issues across the Commercial Operations application portfolio.

- Implement measures for security vulnerabilities, including password vault technology and server upgrades.

- Identify challenges and propose effective solutions while aligning with client goals.

- Generate infrastructure support documentation and provide training and mentoring to team members.

- Maintain a high level of knowledge about the company's software/hardware products and develop advanced solutions for customer issues.

What We're Looking For:

Solution Engineer Senior (SG7): Education:

Bachelor's degree in computer science, engineering, or related technical field is required.

Experience:

5 years of relevant work experience is required.

An equivalent combination of education and related experience may be considered.

Solution Engineer Principal (SG8): Education:

Bachelor's degree in computer science, engineering, or related technical field is required.

Experience:

7 years relevant work experience is required.

An equivalent combination of education and related experience may be considered.

Nice-to-have: Skills/Experience:

- .NET Framework / .NET Core: Knowledge of differences; cross-platform development.

- Programming Languages:

- C#: Proficient in OOP, LINQ, async/await, delegates/events.

- Java: Proficient in Java SE, OOP, data structures; familiar with Java EE, Hibernate, JPA, Spring (DI, AOP).

- Web Development:

- ASP.NET MVC: MVC design pattern knowledge.

- ASP.NET Web API: RESTful service development.

- Frontend Technologies: Strong in HTML/CSS/JavaScript; familiar with Bootstrap, jQuery, React.

- Data Access:

- Entity Framework: ORM and LINQ queries.

- ADO.NET: Database operations.

- Web Services: Experience with SOAP, RESTful services; familiar with WCF.

- Security: Understanding of JWT, OAuth, and data protection.

- Testing and Debugging: Proficient in unit testing (NUnit, MSTest), mocking, and Visual Studio debugging.

- Deployment & CI/CD: Deploying .NET apps (IIS, Azure); CI/CD practices (Azure DevOps, GitHub Actions).

- Containerization & Microservices: Familiarity with Docker; basic microservices design.

- Performance Optimization: Knowledge of caching strategies and profiling.

- Source Code Management: Proficient in Git; skills in branching and merging.

- Database Skills:

- SQL: Proficient in syntax and performance tuning.

- Oracle: Knowledge of PL/SQL and architecture.

- SQL Server: Experience with SSMS and ETL (SSIS).

- Containerization: Understanding of Docker, Kubernetes; CI/CD with Helm in OpenShift.

Licenses/Certifications:

Microsoft .NET Certifications

What you’ll get: Solution Engineer Senior (SG7): $85,081 - $106,354 Solution Engineer Principal (SG8): $96,110 - $124,941

In addition to a competitive compensation, AEP offers a unique comprehensive benefits package that aims to support and enhance the overall well-being of our employees.

Where Putting the Customer First Powers Everything We Do

At AEP, we’re more than just an energy company — we’re a team of dedicated professionals committed to delivering safe, reliable, and innovative energy solutions. Guided by our mission to put the customer first, we strive to exceed expectations by listening, responding, and continuously improving the way we serve our communities. If you're passionate about making a meaningful impact and being part of a forward-thinking organization, this is the company for you!

#AEPCareers

Compensation Data Compensation Grade:

SP20-007

Compensation Range:

$85,081.00-106,352.50 USD

The Physical Demand Level for this job is: S – Sedentary Work: Exerting up to 10 pounds of force occasionally (Occasionally: activity or condition exists up to 1/3 of the time) and/or a negligible amount of force frequently. (Frequently: activity or condition exists from 1/3 to 2/3 of the time) to lift, carry, push, pull or otherwise move objects, including the human body. Sedentary work involves sitting most of the time but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally, and all other sedentary criteria are met.

Hear about it first!

Get job alerts by email. Log in to your Candidate Home Account today! If you don't have an account, you can create one.

It is hereby reaffirmed that it is the policy of American Electric Power (AEP) to provide Equal Employment Opportunity in all respects of the employer-employee relationship including recruiting, hiring, upgrading and promotion, conditions and privileges of employment, company sponsored training programs, educational assistance, social and recreational programs, compensation, benefits, transfers, discipline, layoffs and termination of employment to all employees and applicants without discrimination because of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, veteran or military status, disability, genetic information, or any other basis prohibited by applicable law. When required by law, we might record certain information or applicants for employment may be invited to voluntarily disclose protected characteristics.