Senior Software Engineer

Colonial Pipeline Company; Alpharetta (GA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Annual incentive bonuses

Insurance coverage

Retirement plans

Total Rewards

Job summary

Colonial Pipeline Company in Alpharetta seeks a Senior Software Engineer to design, develop, modernize, and support enterprise applications critical to operations. You will own production systems, add features, and drive cloud modernization using Azure, App Services, and Entra ID.

You will implement scalable front-ends with Angular/Blazor, create RESTful APIs, and ensure reliability with CI/CD. Expect on-call duties and collaboration with cross-functional teams to deliver high-impact solutions.

Qualifications

• Bachelor’s degree in Computer and Information Science.
• 7–9 years in professional software development for enterprise apps.
• 4–6 years in Angular or modern front-end development and C#/.NET.
• 7–9 years developing REST APIs and supporting production systems.
• Experience with AI-assisted development tools.
• Experience with on-call production support.
• Ability to lift 20 pounds.

Responsibilities

• Design, develop, and maintain scalable applications using Angular, .NET, and C#.
• Build Angular- and Blazor-based UI components for enterprise apps.
• Develop and consume RESTful APIs and backend services.
• Design using Microsoft Azure services and cloud-native patterns.
• Modernize legacy applications with cloud-native approaches.
• Write clean, testable code following best practices.
• Troubleshoot production issues with ownership and follow-through.
• Collaborate with analysts, product owners, QA, and engineers to deliver solutions.
• Support CI/CD pipelines and modern SDLC practices.
• Provide on-call production support and incident response.
• Mentor junior engineers and share knowledge.

Skills

Angular

Blazor

C#/.NET

REST APIs

Azure

GitHub CI/CD

Entra ID

SQL Server

Oracle

DevOps

Education

Bachelor’s degree in Computer and Information Science

Job description

Colonial has provided a wide range of opportunities for job candidates who are highly qualified, skilled, motivated and team players. Employees find exciting opportunities to grow and develop their careers at a stable company which offers a generous compensation and benefits package that includes annual incentive bonuses, retirement plans, insurance coverage and a host of other features that support a happy, active, productive and rewarding life. Come to Colonial, a great place to work, where people matter most, and where safety 24/7 is paramount.Ready to work for Colonial Pipeline Company?Are you intrigued by the thought of being part of revolutionizing the energy industry and a new era in the pipeline industry? Do you want to be a part of a company that is obsessed with excellence in everything we do? A company growing and expanding our business that is full of opportunity? If so, we are seeking smart, safety focused, and energetic professionals to join our team to help us to the next level of excellence!What is it that we do at Colonial Pipeline Company?Colonial Pipeline is the largest refined products pipeline in the United States, transporting more than 100 million gallons or 2.5 million barrels per day. Colonial transports various grades of gasoline, diesel fuel, home heating oil, jet fuel, and fuels for the U.S. military through a pipeline system. Colonial transports approximately 45 percent of all fuel consumed on the East Coast, providing refined products to more than 50 million Americans.About the Senior Software Engineer PositionThe Senior Software Engineer designs, develops, modernizes, and supports enterprise applications that are critical to Colonial Pipeline business operations. This position combines hands-on software engineering with long-term ownership of production systems, including new feature development, cloud modernization, operational support, and continuous improvement. You will help shape future-state architecture while ensuring the reliability, performance, and supportability of business-critical applications.What You Get to Do· Design, develop, and maintain scalable applications using Angular, .NET, and C#.· Build and enhance Angular- and Blazor-based user interface components for enterprise applications.· Develop and consume RESTful APIs and backend services.· Design and implement solutions using Microsoft Azure services, including App Services, Microsoft Entra ID, and cloud-native architecture patterns.· Help modernize legacy applications using cloud-native and other modern architecture patterns.· Write clean, maintainable, and testable code that follows software engineering best practices.· Troubleshoot and resolve production issues with strong ownership and follow-through.· Perform code reviews and contribute to overall engineering quality.· Collaborate with business analysts, product owners, quality assurance professionals, and other engineers to deliver effective solutions.· Support CI/CD pipelines and modern software development lifecycle practices.· Provide production support, including participation in on-call rotations, incident response, root cause analysis, and preventive improvements.· Mentor junior engineers and provide technical leadership through design reviews, knowledge sharing, and engineering best practices.What You Bring to the Table· Bachelor’s degree in Computer and Information Science.· 7–9 years of professional software development experience designing, developing, deploying, and supporting enterprise software applications.· 4–6 years of demonstrated expertise in Angular or modern front-end development and C#/.NET development.· 7–9 years of experience developing REST APIs, integrating front-end and back-end components, working with relational databases, and supporting business-critical production systems.· Experience using AI-assisted development tools to improve software delivery, code quality, troubleshooting, testing, documentation, and engineering productivity.· Experience troubleshooting complex production issues and participating in operational support or on-call activities.· Ability to lift 20 pounds from floor to waist.Skills That Set You Apart· Experience with Microsoft Azure cloud services.· Experience in industrial settings or with mission-critical applications.· Understanding of pipeline business processes.· Experience modernizing legacy applications.· Experience with GitHub and CI/CD practices.· Experience with authentication and authorization technologies, including Microsoft Entra ID.· Experience supporting enterprise transactional or logistics-related systems.· Experience with SQL Server and Oracle database platforms.· Strength in full-stack development, API development, DevOps, database querying and management, scripting, graphical user interface development, and cloud data management.· Effective communication, teamwork, prioritization, documentation, requirements management, customer collaboration, independence, and self-management.Advantages of Working at Colonial Pipeline Company· 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.