Sr Principal Software Engineer - Microsoft Dynamics 365 (ERP) - 90404545 - Onsite

Date:  Jan 17, 2026
Location: 

Washington, DC, US, 20001

Company:  Amtrak

Your success is a train ride away!

As we move America’s workforce toward the future, Amtrak connects businesses and communities across the country. We employ more than 20,000 diverse, energetic professionals in a variety of career fields throughout the United States. The safety of our passengers, our employees, the public and our operating environment is our priority, and the success of our railroad is due to our employees.

 

Are you ready to join our team?

Our values of ‘Do the Right Thing, Excel Together and Put Customers First’ are at the heart of what matters most to us, and our Core Capabilities, ‘Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security’ are what every employee needs to know and do to be most impactful at Amtrak. By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering diverse ideas, backgrounds, and perspectives, together we will honor our past and make Amtrak a company of the future.

 

Job Summary

Role is located in Washington, DC, Philadelphia PA or Wilmington DE- Onsite 4-5 days per week. 
 
Lead the analysis, design, development, and implementation of complex enterprise software solutions with a primary focus on Microsoft Dynamics 365 Finance & Operations (ERP). Provide senior‑level technical leadership across architecture, integration, and development initiatives, ensuring scalable, secure, and high‑quality system designs. Collaborate closely with project managers, architects, business analysts, and cross‑functional engineering teams to translate business requirements into robust technical solutions. Drive architectural direction, guide development teams throughout the full project lifecycle, and serve as a key technical authority for Dynamics 365 ERP, related extensions, and enterprise‑level integrations.

Essential Functions

  • Provide technical leadership as a Senior Developer and Technical Architect for Microsoft Dynamics 365 Finance & Operations (Commerce/Retail, Supply Chain, Inventory, Finance, Administration).
  • Lead the development, integration, and lifecycle management of Payment Connectors for D365 POS, ensuring seamless operation in both Online and Store & Forward modes.
  • Architect and develop extensions for D365 HQ, CSU, and POS, ensuring high-quality, scalable, and maintainable solutions.
  • Lead software development, ensuring clear requirements, documented methodology, and unit testing to deliver code as designed; design sustainable architecture.Evaluate operational feasibility through analysis, problem definition, requirements, and solution development; lead technical direction and decisions.
  • Collaborate with enterprise architects and infrastructure teams to integrate applications and hardware, ensuring designs and implementations meet security and QA standards.Maintain updated documentation for architectures, designs, and system descriptions; ensure development teams adhere to standards for methodologies, integration, tools, and testing.
  • Prepare and install solutions by designing system specifications and standards, follow Information Security standards, and provide technical guidance, reports, and presentations for senior management.
 

Minimum Qualifications

  • Bachelor’s Degree or equivalent combination of education, training and/or relevant experience. 
  • Plus 9 years of relevant work experience.

Preferred Qualifications

  • Bachelor’s Degree or equivalent combination of education, training and/or relevant experience. 
  • Plus 11 years of relevant work experience.

Knowledge, Skills, and Abilities

  • Deep expertise in Microsoft Dynamics 365 Finance & Operations Commerce (formerly Retail), Supply Chain, Inventory, Finance, and Administration as a Technical Architect and Senior Developer.
  • Strong experience developing and managing Payment Connectors for D365 POS with full support for Online and Store & Forward modes.
  • Strong development experience coding extensions for D365 HQ, CSU, and POS.
  • Advanced knowledge and hands-on experience with .NET, SQL Server, X++, C#, Java, Azure, and AWS technologies (such as S3, Lambda, Glue, etc.).Knowledge of MuleSoft, Azure Data Lake, Enterprise Data Warehouse technologies, Crystal Reports, Business Objects, and Microsoft Power BI preferred.
  • Excellent documentation and communication skills, including articulating complex architectures effectively.
  • Highly proficient in algorithms, data structures, design patterns, and programming languages.
  • Extensive experience with Agile methodologies, ability to work under deadlines, and understanding of business operations and systems requirements processes.
 

Environmental Conditions/Physical Demands

The salary/hourly range is $149,400.00 – $193,644.00. Pay is based on several factors including but not limited to education, work experience, certifications, etc. Depending on an employee’s assigned worksite or location, Amtrak may consider a geo-pay differential to be applied to the employee’s base salary. Amtrak may offer additional incentive and pay programs to recognize and reward our employees, including a short-term incentive bonus based upon factors such as individual and company performance that is commensurate with the level of the position and/or long-term incentive plan compensation. In addition to your salary, Amtrak offers a comprehensive benefit package that includes health, dental, and vision plans; health savings accounts; wellness programs; flexible spending accounts; 401K retirement plan with employer match; life insurance; short and long term disability insurance; paid time off; back-up care; adoption assistance; surrogacy assistance; reimbursement of education expenses; Public Service Loan Forgiveness eligibility; Railroad Retirement sickness and retirement benefits; and rail pass privileges. Learn more about our benefits offerings here.

 

Requisition ID:165891

Work Arrangement:06-Onsite 4/5 Days Click here for more information about work arrangements at Amtrak.
Relocation Offered:No
Travel Requirements:Up to 25%

You power our progress through your performance.

We want your work at Amtrak to be more than a job. We want your career at Amtrak to be a fulfilling experience where you find challenging work, rewarding opportunities, respect among colleagues, and attractive compensation. Amtrak maintains a culture that values high performance and recognizes individual employee contributions.


Amtrak is committed to a safe workplace free of drugs and alcohol. All Amtrak positions requires a pre-employment background check that includes prior employment verification, a criminal history check and a pre-employment drug screen.

Candidates who test positive for marijuana will be disqualified, regardless of any state or local statute, ordinance, regulation, or other law that legalizes or decriminalizes the use or possession of marijuana, whether for medical, recreational, or other use. Amtrak's pre-employment drug testing program is administered in accordance with DOT regulations and applicable law.


In accordance with DOT regulations (49 CFR § 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions. If an applicant/employee refuses to provide written consent for Amtrak to obtain these records, the individual will not be permitted to perform safety-sensitive functions.

 

In accordance with federal law governing security checks of covered individuals for providers of public transportation (Title 6 U.S.C. §1143), Amtrak is required to screen applicants for any permanent or interim disqualifying criminal offenses.


Note that any education requirement listed above may be deemed satisfied if you have an equivalent combination of education, training and experience.


Amtrak is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race/color, to include traits historically associated with race, including but not limited to, hair texture and hairstyles such as braids, locks and twists, religion, sex (including pregnancy, childbirth and related conditions, such as lactation), national origin/ethnicity, disability (intellectual, mental and physical), veteran status, marital status, ancestry, sexual orientation, gender identity and gender expression, genetic information, citizenship or any other personal characteristics protected by law.