1,413 Results for

Application Architect Jobs in Reston, VA

Jobs

Bethesda, MD10 days ago

$170,000–$190,000 Per 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.

Germantown, MD14 days ago

$120,000–$130,000 Per Year
Full-time

Job Description: Senior Applications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions. Required Experience: 10 Years+ experience: Designing, developing, testing, and maintaining custom Jira solutions .

New!

Suitland-Silver Hill, MDToday

$80–$90 Per 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.

New!

Falls Church, VA3 days ago

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.

Washington DC, DC26 days ago

Full-time
Employee

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.

New!

Vienna, VA3 days ago

Temporary
Contractor
Full-time

Deep expertise in Azure-native architectures: Azure Function Apps (isolated worker model), Azure SQL, Azure Service Bus, Azure AD / MSAL (OAuth2/OIDC). Architect real-time subsystems: SignalR hub for check-weigher events, Azure Service Bus Premium queuing for NAV output posting, and retry/dead-letter strategies.

New!

Gaithersburg, MD5 days ago

$131,300–$237,350

As a member of a large-scale, Scaled Agile software development organization, you will play a central role in shaping next-generation air traffic automation capabilities by bridging mission needs, systems engineering rigor, and Agile software delivery. Leidos is seeking a Principal Software Architect to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Automation Platform (L-CAP) and Common Baseline.

Washington, DC10 days ago

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.

Gaithersburg, MD14 days ago

$131,300–$237,350

Responsibilities include ownership and execution of the engineering review process for software licenses; coordination and maintenance of the Software Architecture Document describing the environment and configuration of program COTS/FOSS; ownership of database architecture for web applications; hands-on database management; and ability to lead and guide others in database update activities. The CAS, FOSS, and Infrastructure Architect will join with other architects to provide high level design, process, and technical guidance to a team supporting development environments across a portfolio of Air Traffic Control programs, including the Federal Aviation Administration's (FAA) En-Route Automation Modernization (ERAM) system.

New!

Alexandria, VA4 days ago

$131,300–$237,350

The Digital Modernization Sector at Leidos is seeking a dynamic Sr Appian Platform Engineer / Architect to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. The ideal candidate will possess deep expertise in the Appian low-code platform along with hands-on experience in other low-code/no-code technologies such as ServiceNow, Microsoft Power Platform, Pega, Salesforce, Mendix, OutSystems, or similar enterprise automation platforms.

McLean, VA27 days ago

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.

Washington DC, DC14 days ago

Define and own a product vision, strategy, and roadmap that is informed by technical product expertise, customer feedback from Unity Studio Productions and Customer Success organizations, Production Verification, market research, user feedback, and competitive analysisPartner with stakeholders (e.g. As a Product Strategy Architect in the Engine Product organization, you will play a pivotal role in defining product requirements with technical input on customer need, value, measurability, as well as the ability to use and demonstrate product in a hands-on fashion.

Greenbelt, MD7 days ago

$92,300–$166,850

Leidos is seeking an experienced Voice / VoIP Architect to provide senior-level technical leadership, architectural oversight, and strategic direction for enterprise voice and unified communications services supporting NASA’s mission and corporate environments. This role is central to designing, evolving, and modernizing large-scale telephony platforms, including hybrid and cloud-based voice architectures and the transition from legacy Cisco environments to Microsoft Teams Telephony.

Bethesda, MD7 days ago

$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.

Greenbelt, MD7 days ago

$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.

Chantilly, VA26 days ago

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.

Washington, DC13 days ago

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).

McLean, VA14 days ago

TDMs engage in all aspects of driving results and growth at strategic accounts, including: project management, account management, relationship building (both customers and partners), financial management, opportunity qualification, problem identification, project/use case definition, demand generation, services positioning, and account strategy. Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education.

New!

Columbia, MD4 days ago

$102,500–$136,500 Per Year

You will own the design, development, and delivery of complex Salesforce solutions that power our go-to-market engine, including our Data Cloud platform, Agentforce AI automation, and core Sales, Service, and CPQ clouds. Manage the full deployment lifecycle across scratch orgs, sandboxes (dev, QA, staging, UAT), and production using Salesforce DX, SFDX CLI, and source-driven development workflows.

Washington DC, DC14 days ago

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.

New!

Reston, VA4 days ago

$107,900–$195,050

This role combines hands-on development with technical leadership, focusing on architecting and implementing scalable Salesforce solutions integrated with Amazon Connect, AI-driven capabilities, and third-party government systems. Required Education & Experience: Bachelor’s degree in IT or related field and a minimum of 8 years of relevant experience or or Masters with a minimum 6 of relevant experience, progressive experience in Salesforce development and architecture, including Federal program experience.

Fort Belvoir, VA26 days ago

$89,120–$130,000
Full-time
Employee

Ensure system security needs established and maintained for operations development, security requirements definition, security risk assessment, systems analysis, systems design, security test and evaluation, certification and accreditation, systems hardening, vulnerability testing and scanning, incident response, disaster recovery, and business continuity planning and provides analytical support for security policy development and analysis. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Springfield, VA26 days ago

$105,100–$185,000
Full-time
Employee

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.

Arlington, VA26 days ago

$135,000–$155,000
Full-time
Employee

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.

Springfield, VA26 days ago

Full-time
Employee

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.

McLean, Alabama19 days ago

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.

Arlington, VA30+ days ago

Demonstrated expertise in enterprise software design, system integration, and cloud environments (AWS GovCloud, Azure Gov). The Application Architect will support DHS CISA in designing, integrating, and modernizing mission-critical applications.

Suitland, MD7 days ago

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. 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.

New!

Silver Spring, MD4 days ago

Remote

$145,000–$180,000 Per Year

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.

Alexandria, VA30+ days ago

$60–$69 Per 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.

Alexandria, VA12 days ago

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.

Washington, DC18 days ago

$102,000–$170,000 Per Year

Washington, DC10 days ago

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.

Herndon, VA30+ days ago

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.

Washington, District of Columbia30+ days ago

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 successSkills:· Bachelor’s degree in computer science, Information Technology, or Engineering, or a related field (or equivalent experience).

Suitland, Maryland12 days ago

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.

Chantilly, VA30+ days ago

Herndon, VA30+ days ago

Tysons, VA30+ days ago

$80–$100 Per Hour

This role focuses on establishing security frameworks, conducting architecture reviews, developing security baselines, and leading strategic security initiatives that have broad impact across the organization. Excellent communication skills with ability to translate complex security concepts to technical and non-technical audiences.

arlington, VA30+ days ago

Demonstrated expertise in enterprise software design, system integration, and cloud environments (AWS GovCloud, Azure Gov). Summary: The Application Architect will support DHS CISA in designing, integrating, and modernizing mission-critical applications.

Tysons, VA30+ days ago

Chantilly, Virginia26 days ago

Acclaim Technical Services, founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company supporting a wide range of U.S. Federal agencies. We are actively recruiting for a Lead Applications Architect with a current TS/SCI w/ Poly tosupport our Network Solutions Division, based in Northern Virgnina.

alexandria, VA30+ days ago

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.

herndon, VA30+ days ago

SAP National Security Services (SAPNS2) is an independent U.S. subsidiary, offering SAP solutions with specialized levels of security and support to meet the requirements of U.S. national security and critical infrastructure customers. Are you interested in working in a dynamic environment that offers opportunities for professional growth and new responsibilities by helping clients drive alignment with their business, advising through critical and complex issues, while allowing you to develop personally and professionally?

Arlington, VA26 days ago

Experience designing, deploying, and integrating ML systems or AI-enabled applications, including LLM and retrieval-based solutions, in production environments, with the ability to design scalable model-serving infrastructure and evaluate tradeoffs across accuracy, latency, cost, and maintainability. You will lead the architectural direction for AI and Machine Learning-enabled systems, ensuring scalable, secure, and cost-effective integration of predictive models, LLMs, and intelligent workflows into customer-facing applications.

Arlington, Virginia30+ days ago

Washington, DC30+ days ago

$90,000–$140,000 Per Year

Technology moving at the speed of thought embodies these principles the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. The salary range displayed is an estimate and will be determined based on several factors, including the individuals combination of education, knowledge, skills, competencies, and experience, as well as contract parameters and organizational requirements.

Arlington, VA25 days ago

In this role, the selected candidate will design and govern the enterprise application architecture, ensuring that solutions are scalable, secure, and interoperable across both on-premises and cloud environments. This position plays a critical role in guiding system modernization efforts and ensuring that enterprise applications meet the strategic objectives of the ARNG ENOCS program.

VA30+ 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.

Washington, Washington, DC30+ days ago

$90,000–$140,000 Per Year

Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.

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