System Administrator at CMA Consulting | US | Rezi

System Administrator at CMA Consulting

System Administrator

CMA Consulting · US

Today

System Administrator

CMA Consulting · US

8 hours ago
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About the Role

CMA is seeking a skilled and motivated Systems Administrator / Cloud Engineer to administer and maintain on-premises infrastructure while designing, deploying, and optimizing cloud-based solutions across AWS and GCP. This role bridges traditional systems administration with modern cloud engineering, ensuring high availability, security, and performance.

Responsibilities

  • Administer, configure, and maintain Windows and/or Linux server environments (on-premises and cloud-hosted).
  • Design, deploy, and manage cloud infrastructure across AWS (EC2, S3, VPC, IAM, RDS, Lambda) and GCP (Compute Engine, Cloud Storage, GKE, BigQuery, Cloud IAM) using infrastructure-as-code tools such as Terraform.
  • Monitor system health, performance, and availability; respond to and resolve incidents in a timely manner.
  • Manage user accounts, permissions, and access controls across Active Directory, Microsoft Entra ID (Azure AD), AWS IAM, and SaaS platforms.
  • Administer Microsoft 365 services including Exchange Online, SharePoint, Teams, and Intune; manage licensing, policies, and tenant security settings.
  • Maintain and optimize VMware vSphere/ESXi virtualization environment including VM provisioning, resource management, and host maintenance.
  • Implement and maintain backup, disaster recovery, and business continuity procedures.
  • Support network infrastructure including firewalls, VPNs, DNS, DHCP, and load balancers.
  • Automate routine operational tasks using scripting (PowerShell, Bash, Python) and infrastructure-as-code tools.
  • Collaborate with the security team to ensure systems comply with organizational security policies and industry standards.
  • Assist with patch management, vulnerability remediation, and compliance audits.
  • Provide escalation support for helpdesk and end-user issues related to infrastructure and cloud services.
  • Document systems architecture, configurations, runbooks, and operational procedures.

Requirements

  • 3–5 years of experience in systems administration, cloud engineering, or a closely related role.
  • Hands-on experience with AWS and/or GCP cloud services; familiarity with both platforms is strongly preferred.
  • Proficiency with Windows Server and/or Linux (RHEL/CentOS/Ubuntu) administration.
  • Experience with Active Directory, Group Policy, and identity/access management.
  • Working knowledge of networking concepts: TCP/IP, DNS, DHCP, VPN, firewalls, and routing.
  • Scripting skills in one or more of: PowerShell, Bash, or Python.
  • Experience with virtualization technologies (VMware, Hyper-V, or similar).
  • Strong troubleshooting and problem-solving skills with a methodical approach.
  • Excellent written and verbal communication skills; ability to document technical work clearly.

Skills

  • AWS
  • GCP
  • Terraform
  • Active Directory
  • Microsoft Entra ID (Azure AD)
  • AWS IAM
  • Microsoft 365
  • Exchange Online
  • SharePoint
  • Teams
  • Intune
  • VMware vSphere/ESXi
  • PowerShell
  • Bash
  • Python
  • TCP/IP
  • DNS
  • DHCP
  • VPN
  • Firewalls
  • Routing

Experience Level

  • Mid-level

Education Level

  • Bachelor’s degree in Computer Science, Information Technology, or a related field — OR — equivalent practical experience.
  • Relevant industry certifications (AWS, GCP, CompTIA, Microsoft) are a strong plus.