System Administrator

CMA Consulting

$80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-5 years experience in systems administration or cloud engineering.
  • Hands-on experience with AWS and/or GCP cloud services; familiarity with both preferred.
  • Proficient in Windows Server or Linux administration.
  • Experience with Active Directory and identity/access management.
  • Knowledge of networking concepts: TCP/IP, DNS, DHCP, VPN.
  • Scripting skills in PowerShell, Bash, or Python.
  • Experience with virtualization technologies like VMware.

Responsibilities

  • Administer and maintain Windows and Linux server environments.
  • Design and manage AWS and GCP cloud infrastructure using Terraform.
  • Monitor system health and respond to incidents.
  • Manage user accounts and access controls across various platforms.
  • Administer Microsoft 365 services and manage security settings.
  • Maintain the VMware virtualization environment.
  • Implement backup and disaster recovery procedures.
  • Support network infrastructure including firewalls and DNS.
  • Automate operational tasks using scripting and infrastructure-as-code.
  • Ensure systems compliance with security policies.
  • Assist with patch management and compliance audits.
  • Document systems architecture and operational procedures.

Benefits

  • Opportunities for professional certification and skills development.
  • Access to modern cloud technologies and infrastructure.
  • Collaborative team environment with experienced professionals.
  • Flexible working arrangements or remote working options.
Full Job Description
Position Overview

CMA is seeking a skilled and motivated Systems Administrator / Cloud Engineer to join the Technology team. This mid-level role is responsible for administering and maintaining on-premises infrastructure while designing, deploying, and optimizing cloud-based solutions across AWS and GCP. The ideal candidate bridges traditional systems administration with modern cloud engineering, ensuring high availability, security, and performance across the organization's technology environment.

Key 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.

Required Qualifications

  • 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


Preferred Qualifications

  • AWS certification (Solutions Architect, SysOps, or DevOps) and/or GCP certification (Associate Cloud Engineer or Professional Cloud Architect).
  • Knowledge of security frameworks and compliance standards (SOC 2, ISO 27001, NIST).
  • Experience in a hybrid or multi-cloud environment (on-premises + AWS and/or GCP).


Education
  • 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.

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