Solution Architect - Application Modernization

Solution Architect – Application Modernization

Location Washington, DC

# of openings 1

Salary Range (Min-Max) 00

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution.

Technology is our Passion. People are our Purpose.

We know tech, but we love people. NuAxis is home to thinkers and feelers; engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us, it’s a state of mind.

We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated Solution Architect – Application Modernization for a Full-Time position.

Position Summary

The Solution Architect leads the technical design and strategic direction for the modernization of a government application portfolio. This senior-level position is responsible for defining end-to-end architectural solutions, establishing standards and patterns, and ensuring that modernized systems are scalable, secure, interoperable, and aligned with agency enterprise architecture and federal technology mandates. The Solution Architect works across stakeholder groups, from executive leadership to developers, to translate mission requirements into technically sound, cost-effective solutions

Key Responsibilities

• Define and govern the overall solution architecture for the application modernization initiative, including application, data, integration, and infrastructure layers.

• Develop and maintain architectural artifacts including solution architecture documents (SADs), architecture decision records (ADRs), data flow diagrams, integration specifications, and technology roadmaps.

• Evaluate legacy system components and lead the design of migration strategies (e.g., re-host, re-platform, re-factor, re-build) aligned with modernization goals and budget constraints.

• Establish architecture standards, reference architectures, and design patterns for use across development teams.

• Lead technical risk identification, architectural trade-off analysis, and recommend mitigations.

• Ensure architecture compliance with federal mandates including FISMA, FedRAMP, Zero Trust Architecture (ZTA) principles, and agency-specific IT security and enterprise architecture policies.

• Partner with the business requirements team to ensure architectural designs satisfy business needs and are aligned with current and future program objectives.

• Provide technical oversight and guidance to developers, data engineers, and integration teams throughout design, development, and testing phases.

• Engage with vendors and cloud service providers to evaluate technologies and platforms for fitness-of-purpose within the government context.

• Participate in governance boards, architecture review boards (ARBs), and Authority to Operate (ATO) processes.

• Support capacity planning, licensing strategy, and total cost of ownership (TCO) analysis for proposed solutions.

Minimum Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related field; advanced degree preferred.

• 8+ years of progressive IT experience with at least 4 years in a solution or enterprise architecture role.

• Demonstrated experience designing enterprise solutions in cloud environments (AWS GovCloud, Azure Government, or equivalent).

• Strong proficiency in integration architecture patterns including RESTful APIs, microservices, event-driven architecture, and ESB/middleware.

• Proficiency in .Net Core/.Net 5+ application architecture and experience with Oracle 19c and Microsoft SQL Server in enterprise environments.

• Experience with application modernization approaches including legacy migration, containerization (Docker/Kubernetes), and DevSecOps pipeline design.

• Working knowledge of data architecture principles including data modeling, data governance, and enterprise data management.

• Familiarity with federal IT governance frameworks including TOGAF, FEAF, or similar enterprise architecture framework

Preferred Qualifications

• Active or ability to obtain security clearance (Secret or higher) preferred.

• TOGAF 9 Certified, AWS Solutions Architect Professional, Azure Solutions Architect Expert, or equivalent certification.

• Experience navigating the federal ATO process and working with agency ISSOs and security teams.

• Hands-on experience with DevSecOps toolchains (e.g., GitLab, Jenkins, SonarQube, Aqua Security).

• Experience with data modernization including cloud data warehouses, lakehouse architectures, and BI integration.

• Knowledge of Section 508 accessibility requirements and inclusive design for government applications.

• Prior experience in government IT modernization programs, particularly systems funded under FITARA or similar mandates.

COMPETENCIES

• Strategic Vision: Translates long-term agency mission objectives into executable technical architecture.

• Technical Leadership: Guides and mentors cross-functional technical teams with credibility and clarity.

• Risk Management: Proactively identifies technical risks and drives mitigation strategies.

• Communication: Articulates complex architectural concepts to executive, business, and technical audiences.

• Collaboration: Partners effectively with program offices, vendors, and oversight bodies.

• Governance: Ensures compliance with federal and agency architectural standards and security requirements.

Does this opportunity sound like a fit for you? If so, join our talent community and click to apply now!!

Our Profile:

We are an IT company with a unique mission—to make people the center of every federal IT solution. Our technologists have always gone the extra mile to help our federal clients succeed. And over the years, we saw a growing disconnect in how federal IT initiatives were built and managed. Time after time, programs failed because the focus was on the tools and products and not the people using them. Learn More ( .

NuAxis is an Equal Opportunity Employer. Employment is contingent upon successful completion of a background investigation. Learn More ( about our Benefits and Culture!