Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerBethesda, 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.
NewInformation Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
Ab Initio Architect & Subject Matter Expert (SME) CredenceAb Initio Architect & Subject Matter Expert (SME)McLean, VA$130,000–$140,000Proven expertise in designing, developing, and implementing complex ETL solutions using Ab Initio, Unix Shell Scripting, Oracle SQL, and Control-M. 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.
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.
Informatica Architect & Subject Matter Expert (SME) CredenceInformatica Architect & Subject Matter Expert (SME)McLean, VA$130,000–$150,000Credence has an upcoming need for an Informatica 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. Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
NewWorkday HCM Solution Architect, Lead Sparks GroupWorkday HCM Solution Architect, LeadMcLean, VAProvide subject matter expertise on Workday best practices and partner with clients to understand pain points, prioritize requirements and identify opportunities to improve processes and gain efficiency by leveraging Workday functionality. Responsibilities : Lead and deliver projects in the Human Capital Management (HCM) area by using strong project management skills, deep analytical capabilities, creativity of a solution architect, and process orientation of a functional expert.
NewOracle Solutions Architect Manager (EBS 12.2.12) Sparks GroupOracle Solutions Architect Manager (EBS 12.2.12)Washington, DC$125–$140 / hourThis role is central to ERP modernization, system integration (including OCI/OIC), and enterprise architecture alignment, similar to the themes discussed in the USAC ERP Modernization Instance Plan/Hosting Plan and Configuration Management Plan Walkthrough. The role manages architects, leads solution design reviews, and partners closely with business and IT leadership to ensure scalable, secure, and compliant EBS capabilities.
NewSenior Oracle Database Enterprise Architect System OneSenior Oracle Database Enterprise ArchitectMerrifield, VA$125,000–$135,000 / yearExperience 10+ years of IT experience, with significant experience in enterprise architecture, solution architecture, or Oracle database architecture. System One IT is staffing a direct-hire opening for a Senior Oracle Enterprise Architect with a respected systems integrator, supporting a civilian federal end-customer.
NewSenior Landscape Architect & Land Planner Davron LLCSenior Landscape Architect & Land PlannerBurtonsville, MDAn exciting opportunity is available for a Senior Landscape Architect & Land Planner in Burtonsville, MD with a reputable firm known for creating practical, functional, and innovative land planning, engineering, surveying, and landscape architecture solutions. Lead planning and landscape architecture projects including conceptual land plans, site layouts, master plans, streetscapes, planting plans, and amenity designs.
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.
Senior Systems Engineer LeidosSenior Systems EngineerBuckeystown, MD$131,300–$237,350As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, as well as working with the SE team in support of Model Based Systems Engineering (MBSE) and all associated documentation. As a senior member of the team, you bring deep expertise in Systems Engineering (SE) and will work closely with Systems Engineers, Software Engineers, Architects as well as Government counterparts on the following key tasks:
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.
NewQuantum Networking Metrology Support Architect/Engineer. INTERNATIONAL CLOUD BUSINESS INCQuantum Networking Metrology Support Architect/Engineer.Washington, DCThe core technical goals for quantum metrology support, as outlined in the Performance Work Statement (PWS), are centered on developing protocols, measurement techniques, and tools to accelerate the adoption of quantum communications, The three main objectives for the contractor are: 1. Testing and evaluating commercial polarization entangled sources to determine if they are viable for swapping and scalable quantum networks.
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).
NewSenior Business Systems Analyst JobotSenior Business Systems AnalystColumbia, MD$125,000–$160,000 / yearInformation 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. If you're an experienced Business Systems Analyst who wants to do more than simply manage tickets and document requirements—and you're interested in having a real voice in ERP strategy, manufacturing process improvement, and future technology initiatives—this could be an excellent opportunity to make a significant impact.
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.
NewPlatform Engineer (VMware & AWS) System OnePlatform Engineer (VMware & AWS)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.