Senior Systems Engineer

Senior Systems Engineer – Cloud, DevSecOps & Enterprise Platforms TS – SCI – CI Poly is required 4 separate positions Location: Sterling, VA Industry: Federal / Defense Technology Employment: Direct Hire Ramtec LLC and Partners is seeks candidates for 4 positions - Senior Systems Engineers to support a high-profile Federal program in Sterling, VA. We are looking for experienced engineers who can design, configure, deploy, integrate, troubleshoot, and optimize complex enterprise systems in modern cloud-based, DevSecOps environments. This is an opportunity to work on a technically sophisticated program supporting digital engineering, cloud infrastructure, enterprise applications, virtualization, APIs, data, and Model-Based Systems Engineering (MBSE). We are seeking senior engineers with a strong systems perspective and the ability to work across infrastructure, applications, security, and integration domains. Technical Focus Areas We are hiring across several areas of expertise, including: Enterprise Applications: SharePoint, Tableau, IBM Enterprise Lifecycle, COTS applications and related enterprise platformsModeling / MBSE: Teamwork Cloud, Cameo, Cassandra and digital engineering environmentsAPI & Systems Integration: API gateways, REST/GraphQL, API catalogs, message queues, streaming platforms and ETL pipelinesCitrix / Virtualization: Citrix Virtual Apps and Desktops (CVAD), NetScaler/ADC, StoreFront, PVS/MCS, VDI, FSLogix and enterprise virtualization Candidates do not need to have every technology listed below. We are particularly interested in engineers with deep expertise in one or more of these areas combined with strong overall systems engineering capabilities. What You'll Do Design, configure, deploy, maintain, and optimize enterprise applications and infrastructure in cloud-based environmentsImplement Infrastructure as Code (IaC) and Application as Code (AaC) using CI/CD pipelinesSupport cloud-native architectures and DevSecOps practicesTroubleshoot complex technical issues, analyze logs, identify root causes, and develop effective solutionsIntegrate applications and systems with workflow, case management, ticketing, automation, and enterprise platformsDevelop and maintain system interfaces and integrations using technologies such as Python, PowerShell, Groovy, Java, or C#Support identity and access management technologies including Active Directory, LDAP, SAML, OAuth 2.0, and OIDCDevelop comprehensive test plans and support system testing, validation, and quality assuranceApply strong engineering rigor, configuration management, documentation, and change-management practicesWork with cross-functional engineering teams, customers, and end users to solve technical and operational challengesContribute to system architecture and understand the relationships between cloud services, infrastructure, applications, and securitySupport Agile development teams and collaborate effectively with technical and non-technical stakeholdersPrepare technical documentation, presentations, architecture diagrams, user guides, and other program deliverables Required Qualifications 10+ years of relevant professional experienceBachelor's or Master's degree in STEM or equivalent relevant experienceStrong systems engineering background with demonstrated engineering rigorExpert troubleshooting and solutioning capabilitiesExperience with cloud-based systems and enterprise applicationsExperience with IaC/AaC and CI/CDExperience with system integration, testing, and validationExperience with relational and/or non-relational databases such as Cassandra, MySQL, or MongoDBFamiliarity with DevOps tools such as Ansible, Terraform, Jenkins, and/or GitLabKnowledge of identity and access management technologiesStrong written and verbal communication skillsAbility to clearly explain complex technical issues to technical and non-technical audiencesStrong technical documentation skillsAbility to work effectively in an Agile, collaborative environmentAbility to meet DoDD 8140 requirements, including Security+ CE certificationRequires an active TS/SCI with CI Polygraph Additional Experience We Value Model-Based Systems Engineering (MBSE)Cloud architecture and cloud solution optimizationAzure, AWS, Google Cloud, Oracle, or IBM CloudKubernetes, Rancher, Docker, or other containerized environmentsServiceNowGrafana, Splunk, or other monitoring/visualization platformsAPI gateways and API management platforms such as Broadcom, MuleSoft, or ApigeeREST, GraphQL, event-driven architectures, message queues, streaming platforms, and ETLCross-domain solutions and secure system integrationVirtualized applications, application streaming, and application layeringEnterprise architecture and systems integrationCitrix / VDI Specialization For candidates specializing in Citrix, we are particularly interested in: 5+ years of hands-on Citrix Virtual Apps and Desktops (CVAD) experience Citrix Delivery Controllers, StoreFront, NetScaler/ADC and supporting components Provisioning Services (PVS) or Machine Creation Services (MCS) Virtual Delivery Agents (VDAs), hypervisors and storage systems FSLogix user profiles VMware vSphere, Microsoft Hyper-V, or Citrix Hypervisor Enterprise VDI architecture, deployment, optimization, and troubleshooting Requires an active TS/SCI with CI Polygraph (FS Poly also acceptable). Why Join This Program? This is an opportunity to work on a high-visibility, technically challenging Federal program involving cloud-native technologies, digital engineering, enterprise computing, virtualization, automation, and secure systems integration. You'll work alongside experienced engineering teams on a platform designed to support digital engineering information, tool interoperability, digital thread capabilities, and emerging AI-related applications—while working with modern DevSecOps and cloud technologies. If you're a senior systems engineer who enjoys solving difficult technical problems and working at the intersection of cloud, infrastructure, applications, security, and systems integration, we'd like to hear from you. Ramtec and it’s clients are Equal Opportunity / Affirmative Action employers. All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law.