1,677 Results for

Application Architect Jobs in Mclean, VA

Jobs

Bethesda, MD

$170,000–$190,000 / year

While the Senior Application Architect partners closely with cloud, operations, data, and cybersecurity teams, the primary accountability is for application architecture and application design decisions, including ownership of RESTful services and application integration strategy from concept through implementation and long-term evolution. The Senior Application Architect works closely with engineering teams, product owners, operations, and security to design and guide the implementation of modern, reliable, and well-integrated application solutions.

12 days ago

Suitland-Silver Hill, MD

$80–$90 / hour

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Provide ongoing support for the maintenance, enhancement, testing, and documentation of existing systems.

1 day ago

Falls Church, VA

Securing AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.

6 days ago

Arlington, VA

Desired: Multiple cloud platform certifications at professional level (AWS Solutions Architect Professional, Azure Solutions Architect Expert, or Google Cloud Professional Cloud Architect), Kubernetes CKA/CKAD, Docker Certified Associate, specialized security certifications. Bachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred.

16 days ago

Washington DC, DC

Full time

Web Development Skills: Proficiency in PHP, MySQL, HTML, CSS, and JavaScript; working knowledge of additional languages and frameworks (.NET, Python, Ruby, Swift, SQL Server). Modern API Frameworks: Strong experience building scalable APIs using Node.js, FastAPI (Python), Bun, or similar modern backend technologies.

30+ days ago

McLean, VA

Design and implement agentic AI systems that enable autonomous decision-making, workflow orchestration, and mission process optimization—with appropriate guardrails and human oversight. Minimum EIGHT (8) years in solutions architecture, software engineering, data engineering, and/or applied ML with a track record of delivering production systems.

6 days ago

Bethesda, MD

$170,000–$210,000 / year
Full time

p>CPA firm seeking an experienced Senior IT Manager (Enterprise Data Architect & Integration Lead) to own and drive our organization’s data architecture strategy while leading development and integration practices. This role combines hands-on architecture with team leadership, serving as a key bridge between data strategy, application development, and enterprise integration.

7 days ago

Washington, DC

The Data Architecture, Technology, and Analytics (DATA) section is looking for an experienced detailed oriented Data Architect/Engineer who will be responsible for expanding and optimizing our data and data pipeline architecture, as well as optimizing data flow and collection for economic policy and research teams. The ideal candidate is an experienced hands-on data modeler with working knowledge of database design and administration, data pipeline building, and data wrangling who enjoys improving existing data systems and/or building them from the ground up.

12 days ago

Washington, DC

5 days ago

Washington, DC

The DevSecOps Architect will play a crucial role in our organization's initiative to develop and deploy an examiner workflow tool to replace and enhance a legacy system leveraging AWS GovCloud services. They will be responsible for designing, implementing, and maintaining secure, scalable, and efficient cloud infrastructure for multiple environments (e.g., development, testing, staging, production) of the new application.

8 days ago

Washington DC, DC

You are Boomis senior technical authority on ServiceNow, the architect who translates business requirements into scalable platform solutions, governs how the platform is built, and ensures every technical decision serves the long-term health of the ecosystem. • Platform Depth: 10+ years of ServiceNow experience in architect-level roles, primarily as an in-house role (non-contractor/consultant) with a track record of owning platform technical strategy and governance, not just delivering projects.

3 days ago

Reston, VA

Client CIO Architecture, Strategy & Innovation (CASI) is responsible to assist Vice President of Information Technology (IT) design, develop, maintain, support, and translate corporate business vision and strategy along with stakeholder input into objectives for building, enhancing, or replacing business and IT systems capabilities, together with an implementation of a comprehensive IT roadmap, all-the-while maintaining resilience to change as a key architectural and strategy objective for the enterprise. • Tasks – might include (neither exhaustive nor restrictive): o Advises and assists IT functional groups to define and implement solutions aligned with a Cloud based Microservices / Service Oriented Architecture (SOA) for infrastructure or business applications.

5 days ago

MS, Maryland

$50–$70 / hour

ResponsibilitiesSupport a specialized enterprise architecture team in designing, developing, and evaluating proof-of-concept (PoC) solutions that enhance enterprise architecture artifacts, automation, and business process models. Produce and deliver high-quality documentation, briefings, and analytical products using Microsoft Office applications to support the USTRANSCOM Enterprise Architecture team.

12 days ago

Washington DC, DC

p class="MsoNormal">This position is responsible for maintaining secure and highly available eDiscovery environments, troubleshooting complex application and infrastructure issues, supporting legal hold and compliance initiatives, and partnering with investigative, legal, cybersecurity, and IT stakeholders to ensure operational excellence and data integrity. The ideal candidate will possess extensive experience administering and supporting Relativity and other litigation support platforms, while providing infrastructure, application, and investigative workflow support across the Electronic Discovery Reference Model (EDRM) lifecycle.

6 days ago

McLean, VA

Remote

Experience managing cloud security and governance services such as AWS Control Tower, Amazon GuardDuty, AWS Service Catalog, AWS Security Hub, AWS CloudTrail, and GitHub organization-level administration. • Deep expertise with AWS services, including VPC, EC2, S3, IAM, RDS, Lambda, ECS/EKS, CloudFront, Route 53, CloudFormation, WorkSpaces, and Snowball.

8 days ago

McLean, VA

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

30+ days ago

Washington, DC

Temporary
Contractor
Full time

Experience working with large-scale data systems, including distributed computing, scalable data processing, data storage architecture, and optimization of high-volume data workloads. Advanced working knowledge of SQL and experience working with relational database platforms (including PostgreSQL, Microsoft SQL Server, and MySQL).

30 days ago

Reston, VA

$50–$54 / hour
Full time

The ideal candidate will have strong experience in marketing business architecture, Martech platforms, and business process analysis and a proven ability to translate strategy into executable roadmaps and optimized processes. Partner with Marketing, Digital, Technology, and Data teams to define and evolve the marketing business architecture, including capabilities, value streams, processes, and information flows.

20 days ago

Bethesda, MD

$131,300–$237,350

Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

3 days ago

Washington, DC

$131,300–$237,350

Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.

3 days ago

Cheltenham, MD

$131,300–$237,350

This role combines high level architectural design with deep technical implementation, requiring an individual who can define target-state architectures, build and optimize solutions, and guide modernization across hybrid and multi cloud environments. Proven hands-on experience designing and implementing solutions across hybrid/multi-cloud environments (AWS and Azure strongly preferred), on-premises data centers, virtualization platforms, and containerized workloads (e.g., Kubernetes/Docker).

3 days ago

Greenbelt, MD

$92,300–$166,850

This position requires deep technical expertise in firewall and network security engineering, strong leadership capabilities, and the ability to collaborate effectively with NASA senior leadership, program management, cybersecurity leads, and cross-functional engineering teams. The selected candidate will serve as the lead architect for NASA’s Firewall Engineering domain, guiding a highly skilled team responsible for advanced security design, migration planning, policy development, and the integration of next-generation firewall technologies across NASA’s enterprise.

3 days ago

Arlington, VA

$131,300–$237,350

Design, deploy, upgrade, and administer Active Directory Domain Services, including domain controllers, forests, domains, trusts, and replication topologies (i.e. Manage and optimize Group Policy Objects (GPOs), OU structures, and security baselines; including object management through bulk operations and automation, Troubleshoot and resolve complex AD-related issues, including authentication failures, replication problems, DNS issues, and Kerberos/NTLM problems, Plan and execute Active Directory migrations, consolidations, and upgrades (of both underlying server infrastructure and overall forest/domain functional levels), Develop and maintain disaster recovery, backup, and restore procedures for AD environments (including AD Recycle Bin and authoritative restores), Monitor AD health and performance using tools such as Microsoft System Center, Azure Monitor, or third-party solutions). Deep expertise in designing, deploying, upgrading, and administering Microsoft Active Directory Domain Services (AD DS), including domain controllers, multi-domain/forest architectures, trusts, replication topologies, Group Policy Objects (GPOs), OU design, and security baselines.

3 days ago

Elkridge, MD

$87,100–$157,450

May 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

As an Enterprise Architect, you will help develop Fit-For-Purpose enterprise level architecture viewpoints through Model-Based Systems Engineering (MBSE) based on Authoritative Source of Truth (ASoT) to support engineering analysis and data-driven decision-making by senior leaders that enables the modernization and evolution of NC3 capabilities.

3 days ago

Chantilly, VA

Intern

With the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.

30+ days ago

McLean, VA

Remote

Support alignment with security and compliance frameworks such as CIS Benchmarks, NIST, HIPAA, FedRAMP, and SOC 2. • Assist with incident detection, investigation, response, and audit trail maintenance across AWS accounts and services. • Strong hands-on knowledge of AWS services, including EC2, S3, RDS, Lambda, ECS/EKS, CloudFront, Route 53, IAM, CloudTrail, AWS Config, and KMS.

9 days ago

Washington DC, DC

Remote

Your team will play a critical role in translating early-stage product capabilities into clear, differentiated customer outcomes, influencing product direction through structured field feedback, and building repeatable technical sales plays that enable broader field adoption. In this role, you will partner closely with Sales, Product, Engineering, and Product Marketing to accelerate adoption of Samsara’s newest innovations and ensure we deliver exceptional technical value to customers — from early-stage introduction through scaled deployment.

3 days ago

Springfield, VA

$105,100–$185,000
Full time

This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.

30+ days ago

Arlington, VA

$135,000–$155,000
Full time

Collaborates with stakeholders to define enterprise data strategies, optimize pipelines (ETL/ELT), and incorporate technologies such as cloud platforms (e.g., AWS GovCloud, Azure Government), Big Data tools (e.g., Spark, Hadoop), and relational/NoSQL databases for secure, performant solutions. Applies big-picture thinking to map and align business processes with data requirements, ensuring holistic solutions that address collection from multiple sources, authoritative source identification, data formalization, and linkage through common, scalable architectures.

30+ days ago

Springfield, VA

Full time

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

30+ days ago

McLean, Alabama

Work collaboratively with user experience designers, platform engineers, product owners, solution architects, business analysts, and full-stack development teams to design, build, test, and deploy high-value, operationally resilient software products on the AWS cloud platform that satisfy functional and non-functional requirements. Familiarity with the AWS Serverless Application Model (SAM) and proven design patterns, like Model-View-Controller, Circuit Breaker, and Event-Driven patterns, is required, as is the ability to design and build cloud-based software products that conform to the AWS Well-Architected Framework design principles.

30+ days ago

Suitland, MD

p>This program is driving a large-scale transformation of systems into a data-centric, cloud-native ecosystem capable of supporting high-volume, near real-time data processing and advanced analytics. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.

24 days ago

$160,001–$200,000 / year

p>The AI Application Architect provides end‑to‑end architectural leadership for AI‑enabled business solutions built on Microsoft Azure, Power Platform, and Microsoft Copilot Studio. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

21 days ago

Silver Spring, MD

Remote

$145,000–$180,000 / year
Full time

About this position:iWorks is supporting the Decennial Transformation and Application Modernization (DTAM) initiative, a mission-focused effort to modernize the U.S. Census Bureau's Decennial Census Programs into a secure, cloud-smart, data-centric environment supporting the 2030 Census and the American Community Survey (ACS). Interface directly with client stakeholders and senior government leadership, including presenting technical strategies and supporting negotiations.

21 days ago

Alexandria, VA

Prepare as-is and to-be architecture artifacts, including system connectivity diagrams, application reference models, interface documentation, data dictionaries, and staging plans. • Collaborate closely with data architects, infrastructure engineers, and software program managers to ensure enterprise-wide architectural integrity.

29 days ago

$102,000–$170,000 / year

30+ days ago

Woodlawn, MD

This role partners closely with the Program Manager, Product Managers, and stakeholders to shape product strategy, define technical direction, and ensure delivery aligns with mission outcomes, user needs, and long-term platform sustainability. This individual will be responsible for roadmaps, evaluates tradeoffs of implementations, mitigates technical risk, and guides teams toward solutions that maximize value across multiple products and delivery teams.

24 days ago

Alexandria, VA

$60–$69 / hour

If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employment selection process, please direct your inquiries to application.accommodations@cai.io or (888) 824 - 8111. Prepare as-is and to-be architecture artifacts, including system connectivity diagrams, application reference models, interface documentation, data dictionaries, and staging plans.

30+ days ago

Washington, DC

This role bridges architecture and hands-on engineering — you will define application frameworks, guide microservices design, and actively contribute to development across the full stack within a modern CI/CD DevSecOps environment on Google Cloud Platform (GCP). We are looking for a senior Full Stack Developer and Application Architect to design, build, and lead the evolution of cloud-hosted enterprise applications supporting FEMA's National Flood Insurance Program (NFIP) modernization.

27 days ago

Reston, Virginia

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. ICF is seeking an experienced Lead Application Architect to define and guide the end-to-end architecture for mission-critical systems supporting Federal land management agencies, including USFS, USDA, DOI, and BLM.

30+ days ago

Arlington, VA

li>Conduct software selection and vendor evaluation for specific intake items - performing fit/gap analysis and weighing fit, total cost of ownership, and long-term maintainability - within the selection framework owned by the Applications Architecture function. You will translate complex business requirements into actionable architectural strategies, providing the blueprint that guides how applications are selected, delivered, and maintained across the enterprise - spanning core business platforms and the cloud and integration layers that connect them.

15 days ago

alexandria, VA

Due to the independence of the DoD OIG, the OCIO provides the full spectrum of IT services necessary to support the OIG mission including database support, storage management, transition management, application services, mobile device management, IT asset management, domain services, network transport, and service desk. The DoD OIG, OCIO is responsible for installing, maintaining, operating, and supporting all DoD OIG Information Technology (IT) systems and communication capabilities for approximately 2000 end users and over 60 locations around the globe.

30+ days ago

Remote-MD, MD

Remote

$102,900–$190,500 / year

p>Leadership Responsibilities: Leads application architecture vision for services using AWS Serverless technology stacks with a core focus on security, resiliency, scalability, supportability, and performance.

Integration and Collaboration: Investigates and advises on third-party integrations to develop requirements and architecture associated with external interfaces, protocols, and interoperability with other applications.

30+ days ago

Washington, District of Columbia

The ideal candidate will have extensive expertise in designing and implementing scalable, secure, and innovative solutions across a range of technologies, including Java, Salesforce, C++, NodeJS, NestJS, Angular, Spring Boot, ServiceNow, AWS, microservices architecture, DevOps, CI/CD, databases, and containerization. You will verify that the solution approach is applicable, relevant, and aligned with business needs while working effectively with vendors and collaborating across cross-functional workstreams to drive success Skills:· Bachelor’s degree in computer science, Information Technology, or Engineering, or a related field (or equivalent experience).

30+ days ago

Suitland, Maryland

In support of our various efforts, we have developed the Onyx Data Management Toolkit, a combination of Agile Development principles, COTS Integration, and custom software, to deliver flexible, cost-effective solutions to a variety of Department of Defense, Intelligence Community, and Law Enforcement agencies. We are seeking a Subject Matter Expert (SME)–level Lead Application Architect to design and define the overall structure and framework of applications within the U.S. Census Bureau’s Decennial Transformation and Application Modernization (DTAM) effort.

29 days ago

$177–$295

Sprinklr's unified platform provides powerful solutions for every customer-facing team - spanning social media management, marketing, advertising, customer feedback, and omnichannel contact center management - enabling enterprises to unify data, break down silos, and act on real-time insights. While Unified Customer Experience Management (Unified-CXM) as a category is just getting started, we are well on our way to creating a no-compromise, unified approach to better customer experiences for the world's leading enterprise brands.

30+ days ago

Herndon, VA

Originally known for leadership in enterprise resource planning (ERP) software, SAP has evolved to become a market leader in end-to-end business application software and related services for database, analytics, intelligent technologies, and experience management. As a cloud company with two hundred million users and more than one hundred thousand employees worldwide, we are purpose-driven and future-focused, with a highly collaborative team ethic and commitment to personal development.

30+ days ago

Herndon, VA

30+ days ago

Alexandria, VA

RoleQuantityLocation-CityOnsite/ Offshore/NearshoreGrade Y1Experience years - Y1RateStart DateApplication Architect1DenverOnsite9.1Between 12 to 15 Years85-95/hr. Legacy to cloud transformation (Java/.NET/DB).

30+ days ago

Woodlawn, MD

$135,000–$216,000 / year

The Application Architect will play a critical role in ensuring smooth and effective technical solutions to include maintenance of current systems, enhancements, and major modernization efforts at the Centers for Medicare & Medicaid Services (CMS). The ideal candidate will manage all activities related to the design and structure of the customer relationship management (CRM) application, which includes all tasks related to the definition of the overall system architecture.

30+ days ago

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Application Architect Jobs in Mclean, VA

Application Architect System One

Software Architect (SA3) System One

IT- Cyber Security Architect/ Engineer III PlanIT Group

Senior Applications Developer Bowhead / UIC Technical Services

Senior Drupal Architect Company Confidential

AI/ML Solutions Architect System One

Senior IT Manager (Enterprise Data Architect & Integration Lead) (cpa firm) - Hybrid CPA firm

Senior Data Architect System One

Senior Data Architect (onsite) System One

Sr. IT DevSecOps Architect System One

ServiceNow Platform Architect Boomi

Engineer; Cloud Systems or Architect, Cloud Systems GCP (Google Cloud Professional) (SME) PlanIT Group

Senior Systems Architect System One

eDiscovery Application Support Specialist NuAxis Innovations

AWS Cloud Platform Architect System One

ServiceNow Architect Capgemini Government Solutions LLC

Big Data Architect Drevol LLC

Business Architect BC Forward

Enterprise Architect/Systems Engineer Leidos

Cloud Architect / Engineer Leidos

Solution Architect / Engineer Leidos

Firewall Engineering Architect Leidos

Active Directory Architect / Engineer Leidos

Enterprise Architect Leidos

Software Developer (Full Stack/Backend) Intern TeleWorld Solutions

AWS Cloud Security Engineer System One

Director, Field Sales Engineering Samsara

Database Architect, Majestic Company Confidential

DSCA Data Architect Senior - 28235 Company Confidential

Principal Identity, Credential, and Access Management (ICAM) Architect Company Confidential

AWS Application Architect - Lead Guidehouse

Lead Application Architect Revolutional, LLC

AI Application Architect Science Applications International Corp

Lead Application Architect / DTAM / (Hybrid) [Contingent] iWorks Corporation

Application Architect Apollo Technology Solutions LLC

AWS Application Architect - Lead Guidehouse Inc

Senior Application Architect Tria Federal

Application Architect Computer Aid Inc

Full Stack Developer (Java) / Application Architect Northramp LLC

Lead Cloud Application Architect ICF

Senior Application Architect Venture Global Inc

Applications Architect Knowesis, Inc.

Senior Application Architect Centene Corporation Group

Senior Cloud Application Architect- long-Term Contract (Government) AHU Technologies

Lead Application Architect Onyx Government Services,LLC

Enterprise Applications Architect Sprinklr Inc

SAP NS2 Sr. Functional Application Architect-onsite Chantilly, VA SAP SE

SAP NS2 Functional Application Architect-onsite Chantilly, VA SAP SE

Application Architect PeopleNTech LLC

Applications Systems Architect Peraton Inc

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