MOSA System Integration Lead / Architect System OneMOSA System Integration Lead / ArchitectBaltimore, MDThe advisor will help translate emerging MOSA policy into implementable guidance, governance, and practice; diagnose and address the organizational, technical, contractual, and cultural barriers to adoption; and drive genuine buy-in across a community where "MOSA" means many things to many people. The right candidate understands why MOSA succeeds or fails in practice and the gap between well-intentioned policy and real acquisition behavior and can operate credibly with senior leaders, program managers, engineers, contracting professions, and Industry.
Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerClarksburg, MD$131,300–$237,350Our 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.
Architect - VCF Design & Architecture Lead Calibre SystemsArchitect - VCF Design & Architecture LeadAlexandria, VACALIBRE Systems, inc., an employee owned mission focused solutions and digital transformation company, is looking to fill multiple opportunities within the Washington, DC metro area. This role leads end-to-end architecture from discovery through design and governance while acting as a trusted advisor in complex, mission-critical environments.
NewLead Systems Engineering L3Harris TechnologiesLead Systems EngineeringMillersville, MD$127,500–$236,500 / yearExpertise in analyzing acoustic system design and performance, including ocean signal propagation and noise properties, sensor transduction, front-end signal conditioning, phased array design and performance, short- and long-haul telemetry, sonar and communications signal processing, and operator interfaces and data display. Experience planning at-sea activities, including defining sea test objectives and metrics, specifying acoustic sources and receivers, specifying at-sea recording and analysis for quality assurance, defining participant roles and responsibilities, defining platform capabilities, and managing data collection, analysis, and reporting.
NewSenior Associate - Software Architect CredenceSenior Associate - Software ArchitectMcLean, VAUnlike a traditional software architect or software development role, this position is focused on technical strategy, enterprise advisory services, business process transformation, and identifying innovative technology solutions that improve mission outcomes. As the Senior Software Architect, you will serve as a trusted technical advisor responsible for helping government leadership identify, evaluate, and implement technologies that modernize business processes across the DLA enterprise.
Oracle Integrated Cloud (OIC) Architect & Subject Matter Expert (SME) CredenceOracle Integrated Cloud (OIC) Architect & Subject Matter Expert (SME)McLean, VA$150,000–$180,000Credence has an upcoming need for an Oracle Integrated Cloud (OIC) Architect and Subject Matter Expert (SME) to join our team supporting architecting, implementing and leading the team to implement Enterprise Data Management Products, including PowerCenter. This position will work closely with cross-functional teams to provide strategic direction, technical expertise, and ensure the solution meets the specific needs of the government.
NewSenior Cloud Security Architect PlanIT GroupSenior Cloud Security ArchitectReston, VAAI-Native Security Strategy: Architect specialized security frameworks for AI/ML pipelines, focusing on data privacy for training sets, model integrity, and securing LLM-integrated applications against emerging attack vectors. • Threat Modeling & Resilience: Conduct deep-dive threat modeling for complex cloud-native systems, simulating advanced persistent threats (APTs) and "blast radius" scenarios to strengthen system resilience.
NewSr. Systems Engineer (Platform Engineer) System OneSr. Systems Engineer (Platform Engineer)Washington, DCWe're seeking a talented Platform Engineer to help architect, deploy, and manage our on-premises Virtual Cloud (VMware) platforms, our AWS Cloud platforms while supporting emerging AI capabilities, modern containerized workloads, and enterprise virtualization environments. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewSenior ServiceNow Architect System OneSenior ServiceNow ArchitectBaltimore, MD$55–$65 / hourMinimum of five (5) years of experience creating, configuring, and administering Jira projects, including workflows, issue types, custom fields, dashboards, permissions, and integrations with ServiceNow to support cross-platform collaboration. Support Jira development and administration activities, including workflow configuration, custom fields, issue types, dashboards, and integrations with ServiceNow to enable seamless collaboration and tracking across platforms.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerAlexandria, VA$107,900–$195,050Bachelor’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. Your role will directly support our diverse portfolio of programs through a combination of requirements and design architecture analysis; MBSE Model development; mentoring junior engineers and assisting technical leadership develop briefing material.
Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$107,900–$195,050If 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. 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.
Enterprise Architect LeidosEnterprise ArchitectElkridge, MD$87,100–$157,450As 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. Under the leadership of the Commander, U.S. Strategic Command (USSTRATCOM), the team leverages subject matter expertise and best practices to transform mission and operational requirements into effective solutions and capabilities.
ServiceNow Architect Capgemini Government Solutions LLCServiceNow ArchitectMcLean, VAThe 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.
NewSenior IT Manager (Enterprise Data Architect & Integration Lead) (cpa firm) - Hybrid CPA firmSenior IT Manager (Enterprise Data Architect & Integration Lead) (cpa firm) - HybridBethesda, MD$175,000–$225,000 / yearFull timeCPA 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.
Active Directory Architect / Engineer LeidosActive Directory Architect / EngineerArlington, VA$131,300–$237,350Design, 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.
Solution Architect / Engineer LeidosSolution Architect / EngineerCheltenham, MD$131,300–$237,350This 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).
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven 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.
Distributed Systems - Staff Systems Architect Northrop GrummanDistributed Systems - Staff Systems ArchitectBaltimore, MD$169,000–$253,600 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. What You'll Get to Do: The Staff Systems Architect within the Distributed Systems Engineering group will serve as the authority for system architecture and design, responsible for creating, evolving, and maintaining the system architecture to meet operational needs while accounting for cost, schedule, and risk.
Distributed Systems - Senior Staff Systems Architect Northrop GrummanDistributed Systems - Senior Staff Systems ArchitectBaltimore, MD$184,100–$276,100 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. What You'll Get to Do: The Senior Staff Systems Architect within the Distributed Systems Engineering group will serve as the authority for system architecture and design, responsible for creating, evolving, and maintaining the system architecture to meet operational needs while accounting for cost, schedule, and risk.
Cloud Systems Architect CONTACT GOVERNMENT SERVICESCloud Systems ArchitectChantilly, VA$167,032.32–$226,686.72 / yearSkills and attributes for success: The candidate will be knowledgeable of the most recent updates and developments and act as an advisor to our customer in reference to the cloud management strategies to be employed to take advantage of the benefits offered by cloud computing such as being able to function without any restrictions to the workload, initiate as many workstations as necessary per time period and pay only for what they actually use. For the past seven years, we've been growing our government-contracting portfolio, and along the way, we've created valuable partnerships by demonstrating a commitment to honesty, professionalism, and quality work.