Job Details

Overview

**All information below subject to change based on final contract award and available funding.**

Come join a company that strives for Extraordinary People and Exceptional Performance! Chenega Services & Federal Solutions, LLC, a Chenega Professional Services' company, is looking for a Posit System Administrator to join our team supporting the Centers for Disease Control and Prevention (CDC). The Posit System Administrator will maintain and enhance multiple Posit deployments (Workbench, Connect, and Package Manager), ensuring the infrastructure remains functional and available to support critical public health analytics.

As a Posit System Administrator on our project, you'll constantly look for ways to make the data science infrastructure better using the latest technology and best implementation strategies. Your technical expertise will be vital as you identify problem areas and opportunities for improvement of mission-critical systems, working closely with technical, network, platform, functional, and customer support teams as a dedicated Posit specialist.

Our company offers employees the opportunity to join a team where there is a robust employee benefits program, management engagement, quality leadership, an atmosphere of teamwork, recognition for performance, and promotion opportunities. We actively strive to channel our highly engaged employee's knowledge, critical thinking, innovative solutions for our clients.

Responsibilities

• Install, configure, and maintain Posit Workbench, Posit Connect, and Posit Package Manager across multiple deployments
• Manage complex R, Python, and system dependencies in Linux environments while coordinating between technical teams
• Provide user support, triage technical issues, and deliver best-practice guidance for R, Python, and Shiny development
• Perform system hardening and security compliance activities following DoD STIGs and SRGs
• Monitor system performance, manage user access and authentication, and support backup and disaster recovery procedures

• 5+ years of experience with systems administration in Linux environments, including system management, application patching, and optimization
• 3+ years of experience administering Posit products (Workbench, Connect, Package Manager)
• Experience creating and managing R and Python packages
• Experience with vulnerability scanning tools such as SCC, Nessus, or ACAS
• Experience with multiple IDEs including RStudio, VS Code, and Jupyter Labs/Notebook
• Knowledge of system hardening using DoD Security Requirements Guides (SRGs) and Security Technical Implementation Guides (STIGs)
• Knowledge of 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

• Experience with Kubernetes and Azure Container Registry for containerized deployments
• Experience managing Red Hat Enterprise Linux systems
• Experience developing with frameworks like Dash, Streamlit, Bokeh, Flask, or Shiny
• Experience with automation and scripting tools (Bash, Python, Ansible)
• Experience managing networks using Cisco switches
• Knowledge of Hyper-V or VMware vSphere for virtual machine management
• Knowledge of authentication systems (LDAP, Active Directory, SSO, SAML)
• Knowledge of common data science Python and R libraries (tidyverse, pandas, scikit-learn, etc.).