Senior Systems Engineer: Infra, Security & Integrations

RefrigiWear; Alpharetta (GA); On-site; USD 120,000 - 150,000; Full time

Job summary

RefrigiWear in Alpharetta, GA seeks an experienced Senior Systems Engineer to design, build, secure, and maintain the technology foundation for global operations across North America and Europe. You will guide infrastructure and security decisions, lead incident response, deliver complex integrations and automation, and serve as escalation point for the IT support team.

The role combines hands-on engineering with strategic direction, balancing long-term tech leadership with reliable operational

Qualifications

• Seven+ years in systems engineering, administration, or similar
• Experience designing and supporting integrations between business systems
• Proficiency in scripting/programming with PowerShell, Python, or SQL
• Hands-on network admin experience: routing, switching, firewalls
• Security experience; CISSP or similar certification is a plus
• Experience with disaster recovery and business continuity
• Experience with Microsoft 365, Azure, Odoo, or NetSuite is a plus
• Strong troubleshooting, prioritization, communication, and time management skills
• Security-focused mindset addressing tactical issues without losing sight of broader environment

Responsibilities

• Design, build, secure, and maintain integrations among ERP, WMS, EDI, e-commerce, HR, and MS 365
• Administer servers, virtualization, storage, and Azure services
• Manage routing, switching, wireless, and firewall infrastructure
• Implement controls aligned with NIST CSF and ISO 27001
• Lead incident response, vulnerability remediation, and security monitoring
• Maintain backups, replication, DR systems, and test restores/failover
• Develop scripts/automation to reduce manual work and improve reliability
• Manage user access controls and conduct access reviews
• Evaluate new tools, including AI-based solutions, to improve efficiency
• Support upgrades, migrations, and consolidation projects
• Be the escalation point for complex system, network, app, and security issues
• Document solutions and communicate technical info to non-technical audiences
• Collaborate with colleagues and vendors across time zones

Skills

PowerShell scripting

Python scripting

SQL querying

Troubleshooting

Communication

Time management

Education

Bachelor's degree in Computer Science or Information Systems

Equivalent professional experience

Tools

Microsoft 365

Azure

Odoo

NetSuite

Job description

RefrigiWear in Alpharetta, GA seeks an experienced Senior Systems Engineer to design, build, secure, and maintain the technology foundation for global operations across North America and Europe. You will guide infrastructure and security decisions, lead incident response, deliver complex integrations and automation, and serve as escalation point for the IT support team.

The role combines hands-on engineering with strategic direction, balancing long-term tech leadership with reliable operational