Posit System Administrator
100% remote
$140,000 – $148,000

Responsibilities:
•   Maintain and enhance multiple Posit deployments (Workbench, Connect, and Package Manager), ensuring infrastructure remains functional and available for public health analytics.
•   Install, configure, and support Posit Workbench, Posit Connect, and Posit Package Manager across various deployments.
•   Manage complex R, Python, and system dependencies within Linux environments, coordinating with technical teams.
•   Provide user support, troubleshoot technical issues, and deliver best-practice guidance for R, Python, and Shiny applications.
•   Perform system hardening and ensure security compliance following DoD STIGs and SRGs.
•   Monitor system performance, manage user access and authentication, and support backup and disaster recovery procedures.

Requirements:
•   5+ years of experience with systems administration in Linux environments, including system management, patching, and optimization.
•   3+ years of experience administering Posit products (Workbench, Connect, Package Manager).
•   Experience creating and managing R and Python packages.
•   Knowledge of vulnerability scanning tools such as SCC, Nessus, or ACAS.
•   Proficiency with IDEs including RStudio, VS Code, and Jupyter Labs/Notebook.
•   Understanding of system hardening using DoD Security Requirements Guides (SRGs) and STIGs.
•   Experience with backup and recovery procedures for critical systems.
•   Ability to install, update, and manage complex R, Python, and system dependencies in Linux.
•   Possession of one of the following certifications: Cloud+, GICSP, GSEC, Security+, SSCP, SecurityX, CASP+, CCNP Security, CCSP, FITSP-O, or GFAACT.
•   Bachelor''s degree required.

Preferred Skills:
•   Experience with Kubernetes and Azure Container Registry for containerized deployments.
•   Managing Red Hat Enterprise Linux systems.
•   Development with frameworks like Dash, Streamlit, Bokeh, Flask, or Shiny.
•   Automation and scripting with Bash, Python, Ansible.
•   Networking management using Cisco switches.
•   Knowledge of Hyper-V or VMware vSphere for virtual machine management.
•   Familiarity with authentication systems such as LDAP, Active Directory, SSO, SAML.
•   Experience with data science Python and R libraries (tidyverse, pandas, scikit-learn, etc.).

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #851-Rockville-S1

Posit System Administrator

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