Senior Software Engineer

Company Overview

Pantheon Data (a Kenific Holding company) is a private, small business based in the Washington, DC, area. Founded in 2011, the company initially provided acquisition and supply chain management services to the U.S. Coast Guard. Over the past decade our service offerings have expanded to include infrastructure resiliency, contact center operations, information technology, software engineering, program management, strategic communications, engineering and cybersecurity. We now serve commercial clients as well as federal agencies in the Department of Homeland Security, Department of Defense and other Federal Civilian Agencies.

Position Overview

Pantheon Data is seeking a Senior Software Engineer to support the Defense Health Agency (DHA) in migrating large, mission‑critical legacy systems into secure, scalable AWS GovCloud environments. The engineer will analyze, adapt and modernize C# and .NET applications to ensure seamless performance, compliance and interoperability across DHA’s enterprise health IT ecosystem. This role requires strong technical expertise, hands‑on experience with cloud modernization and the ability to deliver secure, cloud‑native solutions aligned with DHA’s mission.

Responsibilities

• Analyze existing C# and .NET applications to document architecture, dependencies and integration points prior to migration.
• Identify risks, challenges and compatibility issues associated with legacy‑to‑cloud transitions, providing remediation strategies.
• Design and execute comprehensive migration strategies for transitioning systems to AWS GovCloud.
• Modify and optimize applications for performance, resiliency and compliance in cloud environments.
• Integrate applications with AWS services (e.g., EC2, S3, RDS, Lambda) to modernize capabilities and reduce reliance on legacy infrastructure.
• Leverage AWS SDKs, APIs and automation tools to streamline deployment and management of applications.
• Develop new cloud‑native features and functionality to meet evolving DHA mission requirements.
• Conduct rigorous testing (unit, integration, performance) to validate functionality, security and compliance.
• Embed security and compliance controls throughout the development and migration lifecycle in alignment with HIPAA, FedRAMP and DoD IL standards.
• Collaborate with engineering, DevSecOps and program teams to deliver mission‑ready solutions.
• Communicate progress, risks and technical challenges clearly to DHA stakeholders and leadership.
• Document migration processes, lessons learned and best practices to support future modernization efforts.

Required Skills and Experience

• Bachelor’s degree in Computer Science, Engineering or related field.
• Minimum 7 years of experience in C# and .NET development.
• Minimum 5 years of experience with application migration and refactoring.
• Strong understanding of cloud computing concepts and AWS services.
• Excellent problem‑solving and analytical skills.
• Effective communication and teamwork abilities.
• AWS certifications (e.g., AWS Certified Solutions Architect Associate) are a plus.
• Ability to work effectively remotely in cross‑functional teams.
• Ability to meet deadlines and produce quality work.
• Proficient in Microsoft Suite including Outlook, Word, Excel, SharePoint and PowerPoint.

Additional Information

• Less than 25% of travel may be necessary.
• Competitive benefits and career advancement opportunities.

Clearance Requirements

U.S. Citizenship with the ability to obtain and maintain a DoD Secret clearance.

Work Location

Hybrid – 7700 Arlington Boulevard, Suite 5101, Falls Church, VA 22042

• Our company prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.
• If the position is remote or hybrid, you may periodically work from a Pantheon Data office location or client site.
• If this position is assigned to a Pantheon Data office location or client site, you’ll work with colleagues and clients in person as needed for specific client requirements.

Compensation

The salary range for this position is $115,000 – $135,000. Salary will be set based on experience, geographic location and contractual requirements and may fall outside of this range.

Benefits Overview

We are always looking for good people! Pantheon Data is committed to providing its employees with competitive salaries and benefits to increase employee satisfaction and productivity. In addition to our benefits, we also offer SmartBenefits through the Washington Metro Area Transportation Authority, where you specify an amount of your pre‑tax wages to be paid directly to your SmarTrip account. In some cases, tuition assistance may be available for continuing education expenses and certifications related to the position. Additional details may be found at

Pantheon Data Important Information

All qualified applicants will be considered for employment without regard to disability, status as a protected veteran, or any other status protected by applicable federal, state, local or international law.

As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

If you require reasonable accommodation in completing this application, interviewing, completing any pre‑employment testing or otherwise participating in the employee selection process, please direct your inquiries to our Talent Team at View email address on click.appcast.io or by phone View phone number on click.appcast.io.

This company uses E‑Verify to confirm each employee’s work authorization.