DevOps Engineer ADG TECH Consulting LLCDevOps EngineerSterling, VAFull timeHands-on experience with AWS managed services (VPC, EC2, EKS, RDS), including monitoring and analytics tools such as AWS CloudWatch, NewRelic. Maintain, monitor, and help improve the performance and availability of the 24x7 production environment including networks, servers, databases, etc.
Senior Software Engineer / Data Scientist (Training Systems) LeidosSenior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
NewLead Software Engineer System OneLead Software EngineerReston, VA$88.64 / hourDecomposes functional and technical requirements into project activities and tasks and provides conceptual design, prototype, and test cycles appropriate to a chosen technical solution. • Works closely with Architects, Product Owners, Scrum Masters, and Value Stream Managers to provide insight into delivering business value and meeting objectives.
New.NET Software Engineer Global TechPro, LLC.NET Software EngineerArlington, VAFull timeNET Software Engineer will design, build, and support secure, high‑quality web applications and database‑driven systems. NET development, database integration, deployment automation, and production support.
NewSystems Engineer – Air Traffic Management JobotSystems Engineer – Air Traffic ManagementGaithersburg, MDRemote$140,000–$170,000 / yearThe ideal candidate has a strong background in formal systems engineering environments and is comfortable translating complex operational needs into well-defined technical requirements while working closely with customers, software teams, integration/test teams, and other engineering disciplines. 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.
Staff Software Engineer-AI Solutions VisaStaff Software Engineer-AI SolutionsAshburn, VA$131,600–$210,300 / yearProven ability to deliver projects on time and within budget by writing high-quality code, mentoring junior developers, understanding workload and usage requirements, and producing clear technical documentation that enables knowledge transfer and long-term supportability across global teams. Strong technical background in ServiceNow-specific development tools and frameworks (UI Policies, UI Macros, UI Pages, Client Scripts, Script Includes, Business Rules, Mid Server Configuration & Architecture, Import Sets, Transform Maps, Update Sets).
AI Engineer- Level III PlanIT GroupAI Engineer- Level IIIWashington, DCDemonstrated expertise in developing solutions using Visual Studio Code, Python, and other programming languages to harness generative AI and large language models (LLMs). • Collaborate with Requirements and Test Automation teams to identify high-impact use cases for generative AI, machine learning, and automation.
NewMid-Level Backend Software Engineer System OneMid-Level Backend Software EngineerGaithersburg, MD$60–$80 / hourRequirements Bachelor’s degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master’s degree with 2–6 years of experience. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Lead AWS Cloud Platform Engineer - IaC / SRE – Preferred TriZetto Facets / Healthcare System OneLead AWS Cloud Platform Engineer - IaC / SRE – Preferred TriZetto Facets / HealthcareReston, VARemote$109.05 / hourThe ideal candidate has a strong background supporting production AWS environments, provisioning infrastructure through code, resolving complex operational issues, and partnering with application teams to deliver secure, scalable, and reliable cloud solutions. This is a hands-on role focused on AWS infrastructure provisioning, production support, troubleshooting, and migration of on-premise applications into AWS and Amazon EKS environments.
Mid - Senior Level Software Development Engineer in Test System OneMid - Senior Level Software Development Engineer in TestMerrifield, VAAs a member of this team your role will be a Software Development Engineer in Test (SDET) working in a Scrum environment, you will test software applications and features using test suites and scripts, perform anomaly reporting, software analysis, develop automated software test packages using various technologies, perform functional and performance testing. Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium.
NewApplication Cloud Engineer System OneApplication Cloud EngineerHerndon, VARemoteKubectl proficiency and general Kubernetes object management (deployments, services, configmaps, secrets, RBAC). System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Software Tester / QA Automation Engineer NuAxis InnovationsSoftware Tester / QA Automation EngineerWashington DC, DCThis role is expected to build and maintain a robust automated testing capability, with Cypress as a core browser/end-to-end automation framework, and integrate automated quality gates into CI/CD pipelines. · Create reusable test utilities, fixtures, data-management patterns, page/component abstractions, mocks/stubs where appropriate, and stable selector strategies to reduce flaky tests.
NewSenior Monitoring and Observability Engineer System OneSenior Monitoring and Observability EngineerWashington, DCRemote$63–$75 / hourStrong Datadog experience is preferred; however, substantial experience with ScienceLogic SL1, SolarWinds, Dynatrace, New Relic, Splunk Observability, LogicMonitor, Prometheus/Grafana, or comparable enterprise platforms will be considered based on demonstrated monitoring and observability engineering expertise. Engineer, operate, maintain, and continuously improve the enterprise monitoring and observability platform, including dashboards, monitors, metrics, logs, APM, synthetic monitoring, tagging, integrations, and related capabilities.
Java Backend Engineer - Onsite Interview required System OneJava Backend Engineer - Onsite Interview requiredVienna, VA$70–$80 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Design, build, integrate, and maintain secure backend services and APIs supporting mobile, web, enterprise, and partner systems.
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.
Systems Engineer LeidosSystems EngineerTemple Hills, MD$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. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Lead Systems Integration Engineer LeidosLead Systems Integration EngineerClarksburg, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 3, 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.
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:
Systems Integration Engineer LeidosSystems Integration EngineerMount Airy, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 25, 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 / EngineerSilver Spring, MD$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.