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.
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.
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:
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.
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.
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.
NewServiceNow Architect The DNA groupServiceNow ArchitectWashington, DCYou will collaborate with stakeholders to translate business requirements into scalable technical architectures while ensuring alignment with ITSM, ITAM, and change management needs across the organization. The DNA Group maintains a drug free workplace and conducts pre-employment drug-testing, where applicable, in accordance with federal, state, and local laws.
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.
NewTechnical Lead / Solution Architect System OneTechnical Lead / Solution ArchitectMerrifield, VAThe ideal candidate brings deep expertise in enterprise architecture, cloud-native platforms, DevSecOps, CI/CD, and large-scale system integrations, along with the ability to influence technical strategy and drive complex transformation initiatives across the organization. We are seeking an experienced Technical Lead / Solution Architect to lead the architecture, design, and implementation of a mission-critical enterprise platform focused on release certification, governance, quality engineering, and operational readiness.
NewCyber Engineer ActalentCyber EngineerManassas, VA$65–$85 / hourWe are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service. Day‑to‑day work involves modern development toolchains, container orchestration platforms, and networking and cyber analysis tools in a collaborative, engineering‑focused setting.
Cloud Systems Architect CONTACT GOVERNMENT SERVICESCloud Systems ArchitectWashington, DC$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.
NewSystems Architect PeratonSystems ArchitectSpringfield, Virginia$146,000–$234,000 / yearFull timeResponsibilities: 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.
Senior AI Systems Architect Bart & AssociatesSenior AI Systems ArchitectAshburn, VAThis 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. 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.
Systems Architect IntelliDyneSystems ArchitectWashington, DC$145,000–$180,000 / yearThe Systems Architect designs target-state architectures, plans and executes migration workstreams, and ensures on-prem and cloud components operate cohesively throughout the transition - balancing modernization with the reliability of existing infrastructure. The Systems Architect leads the design, operation, and modernization of a hybrid enterprise IT environment, with responsibility for both the current on-premises data center and its ongoing migration to a cloud architecture.
Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) Virginia Tech Applied Research CorporationSenior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME)Arlington, VA$200,000–$275,000 / yearVT-ARC is seeking a Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) to support enterprise systems engineering, secure infrastructure modernization, classified enclave implementation, and operational transition for mission-critical enterprise communications, network modernization, and cyber programs within TS/SCI environments. The selected candidate will design, implement, and sustain secure enterprise systems capabilities across Windows, Linux, virtualization, directory services, DNS/DHCP/NTP, PKI/certificates, storage, backup and recovery, monitoring, patching, configuration management, and automation.
Systems Architect/Technical Lead - Java Customer Value PartnersSystems Architect/Technical Lead - JavaBethesda, Maryland$160,000–$180,000 / yearFull timeNIH transmits approximately 512,635 timecards to HHS payroll annually and serves approximately 17,000 users, making system stability and architectural integrity paramount. CVP is an award-winning healthcare and next-gen technology and consulting services firm solving critical problems for healthcare, national security, and public sector clients.
Systems Architect/Technical Lead - FOIA Systems Customer Value PartnersSystems Architect/Technical Lead - FOIA SystemsBethesda, Maryland$160,000–$180,000 / yearFull timeThis role provides engineering leadership across architecture, DevSecOps, security/ATO alignment, and modernization of a legacy-platform environment supporting NIH's FOIA operations. CVP is an award-winning healthcare and next-gen technology and consulting services firm solving critical problems for healthcare, national security, and public sector clients.
Sr. Cloud Systems Architect (Cleared) SCD Information TechnologySr. Cloud Systems Architect (Cleared)Washington DC, District of ColumbiaIn this role, you will be responsible for developing the overall architectural strategy and guiding the successful migration of on-premises workloads and applications to Oracle Cloud Infrastructure (OCI). SCD Information Technology (SCDIT) is seeking a visionary Senior Cloud Systems Architect to provide technical leadership for a large-scale cloud migration initiative.
IT Systems Architect CONTACT GOVERNMENT SERVICESIT Systems ArchitectArlington, VA$120,275.31–$163,230.78 / yearAs an IT Lead System Architect for CGS, you will lead multiple teams consisting of developers, subject matter experts and stakeholders to convert the business requirements, process workflows, and use cases into a fully functional application. 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.