System Admin/Engineer

Optomi; Johns Creek (GA); On-site; USD 90,000 - 130,000; Full time

Job summary

Optomi in Johns Creek, GA is seeking a Systems Engineer to provide hands-on administration, maintenance, and support of enterprise data center infrastructure. The role focuses on Microsoft infrastructure, virtualization, backup, and cloud services in a large-scale environment.

You will collaborate with cross-functional teams to ensure availability, security, and disaster recovery readiness, contributing to ongoing upgrades and steady operations of critical services.

Qualifications

• Bachelor’s or associate degree in computer science, Information Technology, or related field
• OR equivalent combination of education and significant relevant work experience
• Directory Services: Active Directory, DNS, LDAP, WINS, GPO, SAML, ADFS, MFA
• Virtualization: VMware vSphere, large-scale environments
• Cloud Services: Microsoft Azure and Azure AD
• Enterprise Infrastructure: data center operations
• Operating Systems: Microsoft Windows Server
• Multi-Vendor Solutions: experience with diverse hardware/software vendors

Responsibilities

• Administer and support VMware vSphere virtualization environment
• Maintain and troubleshoot Active Directory services including GPO, DHCP, DNS, NPS, ADFS
• Support Office 365, Exchange Server and Exchange Online
• Administer SharePoint, Teams, and OneDrive
• Manage email systems and collaboration platform configurations
• Utilize Tanium for endpoint management and patch deployment
• Monitor system performance, capacity management, and uptime
• Support backup solutions (Veeam, PPDM, Zerto)
• Assist in infrastructure upgrade and migration projects
• Respond to incidents with documentation

Education

Bachelor’s or associate degree in computer science, Information Technology, or related field

Equivalent combination of education and significant relevant work experience

Tools

VMware vSphere

Active Directory

Office 365

Exchange Server

SharePoint

Microsoft Teams

OneDrive

Tanium

Veeam

Zerto

Azure AD

Windows Server

NetApp

Dell EMC

HPE Nimble

Job description

The Systems Engineer provides hands‑on administration, maintenance, and support of enterprise data center and infrastructure technologies. This role requires intermediate to advanced knowledge of Microsoft infrastructure, virtualization, backup solutions, and cloud services in a large‑scale enterprise environment.

Core Responsibilities

Infrastructure Administration & Support

Administer and support VMware vSphere virtualization environment

Maintain and troubleshooting Active Directory services include:

Group Policy Objects (GPO)

DHCP and DNS

Network Policy Server (NPS)

Active Directory Federation Services (ADFS)

Support Office 365, Exchange Server (2016, 2019), and Exchange Online

Administer SharePoint, Microsoft Teams, and OneDrive

Manage email systems and collaboration platform configurations

Systems Management & Deployment

Utilize Tanium for endpoint management and patch deployment

Optimize server hardware and software while ensuring minimal downtime

Monitor system performance, configuration, and capacity management

Data Protection & Storage

Support backup solutions including Veeam, Dell PowerProtect Data Manager (PPDM), and Zerto

Manage enterprise storage platforms (HPE Nimble, Dell-EMC, NetApp)

Implement and maintain disaster recovery and business continuity procedures

Operations & Project Work

Monitor and troubleshoot critical data center systems and equipment

Participating in infrastructure upgrade and migration projects

Respond to incidents with appropriate urgency and documentation

Collaborate with cross-functional teams on special assignments

Required Qualifications

Education

Bachelor’s or associate degree in computer science, Information Technology, or related field

OR equivalent combination of education and significant relevant work experience

Technical Experience

Directory Services: Proven experience with Active Directory, DNS, LDAP, WINS, GPO, SAML, ADFS, and multi-factor authentication

Virtualization: Hands‑on experience managing large‑scale VMware environments

Cloud Services: Working knowledge of Microsoft Azure and Azure AD

Enterprise Infrastructure: Experience supporting large‑scale infrastructure projects in data center operations

Operating Systems: Extensive knowledge of Microsoft Windows Server platforms

Multi-Vendor Solutions: Ability to work with diverse hardware and software vendors

Technical Knowledge

High Availability and failover configurations

Disaster Recovery and Business Continuity planning