Applications Architect - Level V

AttainX, Inc.; Arlington (VA); Hybrid; USD 188,000 - 197,000; Full time

Job summary

AttainX, Inc. seeks an experienced Application Architect to support DHS CISA’s Critical Infrastructure Collaboration Platform.

You will design secure, scalable applications, guide modernization and integration, and collaborate with developers, security specialists, and government stakeholders to support risk analysis and resilience. The role emphasizes data pipelines, cloud services, zero-trust security, and enterprise analytics integration within a federal environment.

Qualifications

• Bachelor’s degree in computer science, information systems, software engineering, or a related field preferred; equivalent education or experience considered.
• 7+ years designing enterprise app architectures and guiding modernization, integration, and legacy systems.
• Experience with cloud-native or hybrid architectures, microservices, APIs, and SaaS integration.
• Experience planning data migration with data integrity, validation, and rollback controls.
• Knowledge of secure app design, Zero Trust, IAM, OAuth 2.0 and SAML authentication.
• Ability to translate requirements into architecture plans and interface specs.
• Experience with agile delivery, automated pipelines, and lifecycle testing.
• Familiarity with data pipelines, ETL, cloud storage, and analytics integrations.
• Incorporate Federal security, privacy, accessibility, and ATO requirements (FISMA, FedRAMP, 508).
• Excellent communication and documentation skills; ability to explain architectures to varied audiences.
• Experience with Federal or DHS/CISA systems and AI/ML integration is a plus.

Responsibilities

• Assess architecture, data models, interfaces, dependencies; identify modernization and security risks.
• Define target-state architectures aligned with DHS security requirements for scalability and interoperability.
• Define components, APIs, service boundaries, and integration patterns; guide agile implementation.
• Evaluate cloud services and SaaS trade-offs for security, governance, performance, and cost.
• Design migration strategies with validation, rollback, and transition procedures.
• Develop architecture plans, interface specs, roadmaps, and testing inputs.
• Conduct design reviews covering security, logging, cost, and interoperability.
• Guide integration with ServiceNow, Elastic, Power BI, and other enterprise services.
• Collaborate on secure data pipelines, data lakes, and analytics tools.
• Define infra requirements with IT engineering and leadership; support cloud capacity planning.
• Incorporate security controls (FedRAMP, FISMA, 508) and assist with ATO documentation.
• Review code and pipelines for conformance to architecture; propose improvements.
• Define test criteria and support testing across development and operations.
• Guide UI enhancements to meet usability, branding, and accessibility needs.
• Incorporate AI capabilities within approved controls for automation and risk analytics.
• Maintain architecture docs, SOPs, and support knowledge transfer.

Skills

Enterprise architecture

Cloud-native / microservices

APIs

Data integration / ETL

Security design (Zero Trust)

Agile delivery

Data pipelines / analytics

Federated identity / IAM / OAuth 2.0

Education

Bachelor's degree in CS/IS/SE

Tools

ServiceNow

Elastic

Power BI

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Full Time Professional Arlington, VA, US

Salary Range: $188,000.00 To $197,000.00 Annually

Job Title: Application Architect

Location: Remote/Hybrid - DHS CISA, 4200 Wilson Boulevard, Arlington VA 22203 and 4601 N. Fairfax Drive, Arlington VA 22203.

Work Schedule: Monday through Friday.

Security Requirements: Must be a US Citizen eligible to obtain / maintain a D HS/CISA Public Trust Level Clearance.

AttainX is seeking an experienced Application Architect to support DHS CISA’s Critical Infrastructure Collaboration Platform (CICP). This position will support Digital Solution Development, Automation, and Infrastructure Support. This position designs secure, scalable applications and guides modernization, integration, and workflow automation. The application architect collaborates with developers, engineers, security specialists, and Government stakeholders to support critical infrastructure risk analysis and resilience.

Qualifications and Education Requirements:

• A bachelor’s degree in computer science, information systems, software engineering, or a related field is preferred; equivalent education, training, and relevant experience will be considered.
• 7+ year’s experience designing enterprise application architectures and guiding development, integration, and legacy system modernization.
• Experience with cloud-native or hybrid architectures, microservices, APIs, and Software-as-a-Service (SaaS) integration.
• Experience planning data migration and integration with data integrity, continuity, validation, and rollback controls.
• Working knowledge of secure application design, Zero Trust, identity and access management, and OAuth 2.0 and SAML authentication.
• Ability to translate requirements into architecture plans, interface specifications, and implementation guidance.
• Experience with agile delivery, code and design reviews, automated deployment pipelines, and lifecycle testing and evaluation.
• Familiarity with data pipelines, ETL processes, cloud storage, and integration with enterprise analytics and visualization platforms.
• Ability to incorporate Federal security, privacy, accessibility, and ATO requirements, including FISMA, FedRAMP, and Section 508.
• Excellent analytical, documentation, and communication skills; ability to explain architecture options and trade-offs to varied audiences.
• Experience with Federal or DHS/CISA systems, geospatial or risk analytics applications, and AI/ML integration is preferred.
• Must be a US Citizen, able to obtain and maintain a DHS Public Trust clearance.

Job Duties:

The Application Architect provides application design and technical guidance for CICP modernization and integration. Responsibilities include:

• Assess application architecture, data models, interfaces, and dependencies; identify technical debt, modernization opportunities, security risks, and performance limitations.
• Develop target-state application architectures aligned with CISA enterprise architecture and DHS security requirements for scalability, resilience, and interoperability.
• Define components, APIs, service boundaries, and integration patterns; guide developers in implementing approved designs through agile delivery.
• Evaluate cloud services and SaaS offerings; document security, governance, maintainability, performance, and cost trade-offs.
• Design migration strategies with validation, rollback, and transition procedures to protect data integrity and maintain service continuity.
• Develop architecture plans, interface specifications, transition roadmaps, and implementation inputs covering milestones, dependencies, resources, and testing.
• Conduct design reviews covering integration, security, logging, cost, health monitoring, identity management, and enterprise interoperability.
• Guide integration with ServiceNow, Elastic, Power BI, and other enterprise services; address authentication compatibility and data exchange standards.
• Collaborate on secure data pipelines, ETL interfaces, storage, data quality checks, and integration with data lakes and analytics tools.
• Define infrastructure requirements with CISA IT engineering and the CTO’s organization; support cloud performance and capacity planning.
• Incorporate cybersecurity, privacy, Zero Trust, FedRAMP, FISMA, and Protected Critical Infrastructure Information (PCII) controls; support ATO documentation and remediation.
• Review application code and development pipelines for architecture conformance and secure development practices; recommend corrective actions.
• Define test criteria and support test plans, modeling, simulation, and developmental and operational testing; recommend actions for Government acceptance.
• Guide enhancements and user interface designs to meet evolving requirements, usability needs, agency branding, and Section 508 accessibility.
• Design integration of machine learning, large language models, and other AI capabilities for workflow automation and risk analytics under approved controls.
• Maintain architecture diagrams, design decisions, workflows, and SOPs; support knowledge transfer, deployment, sustainment, and decommissioning.

Non-Essential Functions:

Other related duties as assigned.

About Us

AttainX, Inc. delivers technology solutions, software products, and professional services to Federal Government customers. Our people are central to achieving our customers’ missions. We support quality, collaboration, and employee growth through teamwork and professional development.

We are proud to offer competitive compensation and benefits packages, including paid vacation, medical, dental, and vision insurance, a matching 401(k) plan, tuition/training reimbursement, and long- and short-term disability coverage, subject to plan terms and eligibility.

EEO Commitment:

AttainX is an equal employment opportunity employer committed to a workplace free from discrimination. We provide equal opportunity to applicants and employees without regard to race, color, religion, sex, national origin, age, disability, protected veteran status, or any other status protected by applicable law.

Accommodations:

Applicants and employees who need a reasonable accommodation for the application process or to perform essential job functions may contact Human Resources at AttainX.

Physical Demands:

This position primarily involves computer-based work, reviewing application designs and technical materials, and communicating with team members and stakeholders. Essential functions may be performed with or without reasonable accommodation.

Work is performed at CISA location. General contract work hours are 8:00 a.m. to 4:00 p.m. Eastern Time, Monday through Friday, excluding federal holidays, with core availability from 9:00 a.m. to 3:00 p.m. Office noise is generally moderate. Occasional work outside normal hours, including weekends and holidays, may be required for crisis response or critical IT issues.