System Administrator

Systems Administrator / Cloud Engineer 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.

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, 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)., 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.