The Senior Software Engineer designs, develops, modernizes, and supports business-critical applications for Colonial Pipeline. This role combines hands-on software engineering with ownership of production systems, including application development, modernization, operational support, and continuous improvement.

• Design, develop, and maintain scalable applications using C# and .NET.
• Develop web APIs, backend services, and system integrations.
• Modernize legacy applications using current technologies and development practices.
• Troubleshoot production issues and participate in on-call support, incident response, and root cause analysis.
• Perform code reviews and support CI/CD and modern SDLC practices.
• Partner with business stakeholders, product owners, QA, and engineers to deliver effective solutions.
• Mentor junior engineers and promote engineering best practices.

• Bachelor’s degree in Computer and Information Science or a related field preferred will consider a combination of experience and education.
• 7+ years of professional software development experience with enterprise applications.
• 4+ years of C#/.NET development experience.
• 4+ years of experience with web APIs, relational databases, system integration, and production application support.
• Experience troubleshooting complex production issues and providing operational or on-call support.
• Experience leveraging AI-assisted development tools to improve software delivery, testing, troubleshooting, documentation, and productivity.

• Microsoft Azure cloud services.
• Legacy application modernization.
• Azure DevOps/GitHub and CI/CD practices.
• SQL Server and Oracle.
• Experience with mission-critical applications or industrial environments.
• Knowledge of pipeline business processes.

• Getting to work for a company that helps to meet our country’s energy needs and keeps us moving!
• Team members who care about each other while accomplishing remarkable things.
• Highly competitive benefits. Check out Colonial’s Total Rewards.

Are you up to the challenge? What are you waiting for? Apply today!

Colonial Pipeline is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, religion, sex, national origin, age, disability, sexual orientation, veteran status or any other reason prohibited by federal, state or local law.

Statement to all Third-Party Agencies and Similar Organizations:

Colonial Pipeline accepts resumes only from agencies with which we formally engage their services. Please do not forward resumes to our applicant tracking system, Colonial Pipeline employees, hiring managers, or send to any Colonial Pipeline facility. Colonial Pipeline is not responsible for any fees or charges associated with unsolicited resumes.