Systems Administrator III, Domain & Server

Role Overview

• responsible for the comprehensive administration, maintenance, and optimization of enterprise IT infrastructure, including Microsoft Server environments and domain services.
• managing critical systems such as Active Directory, Exchange Server, DNS, and DHCP services.
• overseeing both Linux and Windows server environments to ensure optimal performance, security, and availability.
• responsible for system monitoring, troubleshooting complex technical issues, implementing security protocols.
• managing user accounts and permissions, and collaborating with cross-functional teams to support organizational technology needs.
• administering and maintaining Windows and Linux servers, ensuring high availability and performance.
• managing the deployment, configuration, and maintenance of operating systems, applications, and patch management processes.
• supporting virtualization environments (e.g., NUTANIX) to optimize resource utilization.
• implementing security measures, including access control, system hardening, and vulnerability remediation.
• managing storage solutions (SAN, NAS) and ensuring effective backup and recovery operations.
• assisting in system upgrades, migrations, and disaster recovery planning and execution.
• developing and updating documentation for system configurations, procedures, and troubleshooting.
• troubleshooting complex system issues and responding to incidents to ensure timely resolution.
• collaborating with cross-functional teams, including network, security, and application teams, to enhance overall infrastructure.
• contributing technical expertise to the design and implementation of new systems and infrastructure enhancements.

Requirements

• Minimum of 5 years of experience in systems administration
• Must hold a current 8570/8140 IAT Level II Certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
• Advanced technical expertise in server administration, domain management, and infrastructure planning
• Proficiency in managing Active Directory, DNS, DHCP, and Group Policy in large-scale environments.
• Strong experience with virtualization technologies such as VMware, Hyper-V, or similar platforms.
• Skilled in storage management, including SAN and NAS solutions, and backup/recovery operations.
• Familiarity with cloud platforms (AWS, Azure, or GCP) and hybrid cloud environments.
• Experience with automation tools like PowerShell, Ansible, or Terraform for system configuration and management.
• Experience with monitoring tools such as Splunk for system performance monitoring.
• Experience with Git for version control.
• Knowledge of security frameworks, including NIST, FISMA, or DISA STIG compliance.
• Must be able to work independently while managing multiple priorities in a fast-paced enterprise environment.
• Excellent troubleshooting skills with a focus on diagnosing and resolving complex system issues.
• Strong communication skills and the ability to work effectively in a team-oriented environment.

Tech Stack

• Ansible
• AWS
• Azure
• Cloud
• DNS
• Google Cloud Platform
• Linux
• Splunk
• Terraform
• VMware

Benefits

• healthcare benefits
• paid leave
• retirement plans
• insurance programs
• education and training assistance