System Administrator (RHEL, Windows)

System One has a System Administration opportunity for a leading Federal Client in Scottsdale, AZ. Please read further if you are interested in joining a leading organization!!

Location: Scottsdale, AZ (On-site)
Duration: 24 months, with possible extension
Pay Rate: $60–$70/hour (W-2)

Position Overview

You’ll be a member of a cross-functional team responsible for server administration, including installation, configuration, upgrades, and ongoing maintenance.

The IT System Administrator will also work closely with Cyber Engineering to support Risk Management Framework (RMF) activities, including hardware and software configuration management, continuous monitoring, and the assessment and mitigation of vulnerabilities throughout the system life cycle.

What You Bring to the Table

• Experience administering Red Hat Enterprise Linux (RHEL) and Windows environments.
• Experience with system security assessment and hardening tools, including SCAP Compliance Checker, STIG Viewer, and ACAS/Nessus.
• Knowledge of Ansible, including developing and maintaining Ansible playbooks.
• Proficiency in server installation, configuration, upgrades, and maintenance.
• Understanding of Security Technical Implementation Guides (STIGs) and vulnerability remediation.
• Training and proficiency in Assured File Transfer (AFT) procedures.
• Experience with third-party software installation and configuration for system functionality and cybersecurity services.
• Identity Manager and domain administration experience.
• VMware experience.
• Bash and Python scripting skills.
• Docker administration skills.
• General network administration experience, including DHCP and NFS setup.
• Ability to work independently with minimal supervision and demonstrate initiative.

What Sets You Apart

• Excellent written and verbal communication skills.
• Ability to collaborate effectively with cross-functional teams throughout the system life cycle.
• DoD 8570-compliant certification meeting IAM Level I requirements, such as Security+ CE, CAP, or GSLC.

Key Responsibilities

• Conduct weekly system audit and media reviews.
• Manage hardware and software configurations to maintain system integrity and compliance.
• Perform monthly security scans and coordinate with team members to review, assess, and adjudicate findings.
• Execute security testing and evaluations to ensure security controls are implemented correctly.
• Support Risk Management Framework (RMF) activities, including continuous monitoring and vulnerability assessment and mitigation throughout the system life cycle.
• Develop, maintain, and manage Ansible playbooks to support configuration management and automation.
• Perform incident response and system cleanup activities as required by company or customer directives.
• Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and procedures outlined in the System Security Plan (SSP).
• Perform server and system administration activities, including installation, configuration, upgrades, troubleshooting, and ongoing maintenance.
• Identify, track, and manage system hardware and software configurations.
• Support cybersecurity continuous monitoring activities, including audit reviews, monthly scans, security testing, and assessments.
• Coordinate with cross-functional team members to investigate, prioritize, and remediate vulnerabilities.