May 19, 2026For 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. 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.
Washington DC, DC30+ days ago
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.
With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
The DevSecOps Architect will support the development and deployment of a new examiner workflow tool designed to replace and enhance a legacy system using AWS GovCloud services. This position requires proactive identification and mitigation of security risks, strong automation capabilities, and the ability to foster collaboration across development, security, and operations teams.
Washington, DC21 days ago
This role serves as the architectural leader for a large-scale system modernization effort for one of our Federal Civilian customers and will involve guiding the effort to develop, maintain, and implement a future-state solution architecture and roadmap to meet customer mission and operational objectives and needs. * While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations.
March 30, 2026For 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.
Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field.
April 17, 2026For 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. 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.
li>4+ years’ experience engineering and troubleshooting networks, including extensive routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. May 5, 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.
Washington, DC28 days ago
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).
June 22, 2026For 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. 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.
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.
Connect with us on LinkedIn and Facebook.. 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).
Washington DC, DC4 days ago
This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle. The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
MONTGOMRY VLG, MD2 days ago
With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
May 22, 2026For 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.
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.
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.
May 14, 2026For 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. 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.
15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
p>(Group Profile/Link to Group page) - https://www.leidos.com/capabilities/digital-modernization. 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.
Chantilly, VA30+ days ago
p>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.
Please click here for the E-Verify Poster in English or Spanish. Key responsibilities include developing trusted relationships with internal and external customers, ensuring exceptional execution of development and production programs, and partnering closely with Business Development and Capture teams to shape new opportunities and define competitive, winning solutions.
We are seeking a Solution Architect to join the team and serve as a core member of the Strategy & Architecture team and a key participant in architecture governance partnering with external architects, Cybersecurity, and product/platform teams to ensure designs align to enterprise principles, target states, and portfolio roadmaps. The SA leads end to end architecture and design across applications, data, integration, cloud infrastructure, and security layers, documenting non functional requirements (NFRs), architecture decision records (ADRs), and reusable patterns that make delivery faster and safer.
Arlington, VA30+ days ago
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.
Fort Belvoir, VA30+ days ago
Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Springfield, VA30+ days ago
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.
Springfield, VA30+ days ago
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.
Germantown, MD29 days ago
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 .
Springfield, VA30+ days ago
Systems Engineer 4: 9+ years relevant experience with Bachelors; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. Systems Engineer 3: 5+ years relevant experience with Bachelors; 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.
Springfield, VA4 days ago
p style="font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;white-space:normal">Duties include: · Assists Government in directing system architects in the design, development, maintenance, and documentation of solution architectures ensuring traceability to the Enterprise architecture and Enterprise requirements.
Expert System Architects assist in leading the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture.
Gaithersburg, MD25 days ago
Certifications such as The Open Group Architecture Framework (TOGAF), AWS Certified Solutions Architect, Google Professional Cloud Architect, Microsoft Certified: Azure Solutions Architect Expert, Certified Information Systems Security Professional (CISSP), Certified Cloud Security Professional (CCSP), Project Management Professional (PMP), or Red Hat Certified Architect (RHCA). The Chief Systems Architect will work closely with our customer leadership, mission stakeholders, and other contractors to develop and implement a scalable, secure, and resilient enterprise architecture supporting both current and future geospatial intelligence (GEOINT) missions.
Springfield, Virginia14 days ago
Responsibilities: Expert System Architects assist in leading the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture.
Recommend, instantiate and operate architecture tools that support analysis and decision making through architecture data in the form of models, simulations, reports and views so that stakeholders may use architecture data in either the acquisition or development lifecycle to answer investment and divestment questions.
Springfield, VA14 days ago
p>Expert System Architects assist in leading the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. Recommend, instantiate and operate architecture tools that support analysis and decision making through architecture data in the form of models, simulations, reports and views so that stakeholders may use architecture data in either the acquisition or development lifecycle to answer investment and divestment questions.
li>Strong verbal presentation skills for C-level briefings, demos at trade shows, and customer training sessions (English fluency required; a second language (e.g., French, German) is a plus). Rohde & Schwarz is a global technology company with approximately 14,000 employees and three divisions: Test & Measurement, Technology Systems and Networks & Cybersecurity.
Chantilly, Virginia7 days ago
Responsibilities: Senior-level System Architects guide Mid-Level and Junior-level system architects in the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture.
Senior level working experience in government or industry in relevant work areas including: Enterprise Architecture, Solution Architecture, Data Architecture, Department of Defense Architecture Framework (DoDAF), or Intelligence Community’s (IC) Program Architecture Guidance (PAG).
p style="padding:0px;vertical-align:baseline;background-color:transparent;text-align:left">The Lead Systems Architect will provide technical and management leadership across major system and technology initiatives, helping drive modernization efforts involving cloud-native platforms, DevSecOps, data-centric architectures, and scalable application modernization strategies. About this position:iWorks is seeking a Lead Systems Architect to support the Decennial Transformation and Application Modernization (DTAM) project for the U.S. Census Bureau.
Washington, Washington, DC12 days ago
p style="margin-top:0pt;margin-bottom:0pt">Named one of theBest Places to Workin the Washington DC area for 12 consecutive years, Valiant is proud of our employee-centric culture and commitment to excellence. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that align with those of their coworkers and Valiant's clients.
To learn more about our exciting organization, please visit us at www.unissant.com. This position serves as a trusted technical advisor to leadership, program stakeholders, architects, developers, data scientists, and cybersecurity teams while driving the transition of AI capabilities from research and experimentation into production operational environments.
Sterling, Virginia30+ days ago
The LSA collaboratively works closely with the Platform, Operations teams, mission partners and Sponsor to refine the operational and technical strategy to automate key portions of the development and operational workflows across all teams, enabling timely development and deployment of system capabilities. Works with Platform/Operations teams to compose technical documents including Design, Deployment, System specifications and IaC baselines, updates, user's manuals, training materials, installation guides, proposals, and reports.
Chantilly, Virginia1 day ago
Responsibilities: Senior-level System Architects guide Mid-Level and Junior-level system architects in the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture.
12+ years of experience in government or industry in relevant work areas including: Enterprise Architecture, Solution Architecture, Data Architecture, Department of Defense Architecture Framework (DoDAF), or Intelligence Community’s (IC) Program Architecture Guidance (PAG).
div>Education and Experience RequirementsCandidates must meet the following minimum education and relevant experience combinations by level:
Entry Level:. We're seeking a skilled SME Data services / Systems Architect to support critical government and intelligence initiatives by managing data backup and restore procedures, storage resource planning, service level compliance, and continuous improvement of data management services.
p>This position serves as a trusted technical advisor to leadership, program stakeholders, architects, developers, data scientists, and cybersecurity teams while driving the transition of AI capabilities from research and experimentation into production operational environments. Position Overview:
The Senior AI Systems Architect leads the design of enterprise AI ecosystems and reusable AI services within the client's AI Enablement Center, enabling AI-as-a-Service capabilities across multiple applications and operational environments.
p>The Systems Architect should have experience providing support to a community-of-interest (COI) for migrating from on prem to multi-cloud, supporting multi-tenant environments, and performing executive level briefings. 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.
Chantilly, VA30+ days ago
p>Senior-level System Architects guide Mid-Level and Junior-level system architects in the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. 12+ years of experience in government or industry in relevant work areas including: Enterprise Architecture, Solution Architecture, Data Architecture, Department of Defense Architecture Framework (DoDAF), or Intelligence Communitys (IC) Program Architecture Guidance (PAG).
p>Senior-level System Architects guide Mid-Level and Junior-level system architects in the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. Senior level working experience in government or industry in relevant work areas including: Enterprise Architecture, Solution Architecture, Data Architecture, Department of Defense Architecture Framework (DoDAF), or Intelligence Community's (IC) Program Architecture Guidance (PAG).
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at.
Total Rewards at GDIT:.
Chantilly, Virginia30+ days ago
li style="margin-top:3px;margin-bottom:3px">Senior-level or higher experience working in government or industry in relevant work areas including: Enterprise Architecture, Solution Architecture, Data Architecture, Department of Defense Architecture Framework (DoDAF), or Intelligence Community’s (IC) Program Architecture Guidance (PAG). As a Senior Systems Architect you will guide the design and development of solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture.