Infrastructure & Security Engineer

Distribution Services International, Inc.•Garden City, GA

1d•Onsite

About The Position

The Infrastructure & Security Engineer is a key technical role on DSI’s IT team, responsible for the hands-on execution of infrastructure operations and cybersecurity defense across a multi-warehouse logistics environment. This role also contributes to desktop engineering and participates in the team’s rotating helpdesk coverage. DSI’s IT team operates a structured Lean IT model that protects dedicated deep-focus time for infrastructure and security project work every day, while maintaining responsive, customer-facing support during scheduled rotation blocks, ensuring space for meaningful work without constant context-switching. The ideal candidate should possess strong systems and networking fundamentals, a security-aware mindset, and a willingness to grow into areas where they may not yet have deep expertise. DSI invests in its people through mentorship and a team culture that values learning over perfection.

Requirements

Infrastructure Fundamentals: Windows Server (2019+), Active Directory, Group Policy, DNS/DHCP; solid networking fundamentals (TCP/IP, VLANs, routing, firewalls); experience with virtualization (VMware or Hyper-V); backup and restore procedures
General IT Skills: Proficient with computer systems, PC repair, mobile devices, and network management (LAN/WAN); ability to deploy, configure, and support operating systems on servers, desktops, and mobile devices
Security Awareness: Familiarity with core security concepts (defense-in-depth, least privilege); experience with endpoint protection tools; willingness to grow into vulnerability management, EDR platform operations, and incident response
Desktop Support: Experience with desktop imaging, OS deployment, and patch management; comfortable supporting end users in a multi-site environment
Customer Focus: Strong drive to provide an excellent customer service experience, with the ability to tailor communication to different audiences, especially when working with technical versus non-technical staff across warehouse and office environments
Problem Solving: Identifies and resolves problems promptly; gathers and analyzes information skillfully; develops alternative solutions; works well in group problem-solving situations; uses reason even when dealing with high-pressure situations
Quality: Demonstrates accuracy and thoroughness; looks for ways to improve and promote quality; applies feedback to improve performance; monitors own work to ensure quality
Dependability: Takes responsibility for own actions; keeps commitments; willing to put in extra effort when necessary for critical incidents; completes tasks on time or communicates proactively
Communication: Excellent verbal and written communication skills for technical documentation, incident reports, and interaction with various levels of staff and management
Experience: Three to five (3–5) years of IT experience with a focus on infrastructure, networking, and/or systems administration
Education: Bachelor’s degree preferred in Information Technology, Computer Science, Cybersecurity, or a related technical discipline. Equivalent work experience will be considered
Core Values: Embodies the DSI Core Values of Team, Excellence, Entrepreneurship, Integrity, and Safety

Nice To Haves

EDR/XDR platform experience (managed or self-hosted)
Syslog management and firewall log analysis
Vulnerability scanning tools and remediation workflows
Incident response participation or tabletop exercises
Certifications: CompTIA Security+, Network+, CySA+; Azure Administrator; CCNA
Compliance framework exposure (SOC 2, NIST CSF, ISO 27001)
Familiarity with WMS or warehouse technology systems
Okta identity management and SSO configuration experience
Experience in a structured Lean IT, ITIL, or time-boxed execution model

Responsibilities

Administer Windows Server (2019+), Active Directory, Group Policy, DNS/DHCP across warehouse and office environments; manage user accounts, security groups, and organizational units
Manage VMware/Hyper-V virtualization platforms including capacity planning, performance monitoring, and lifecycle management of virtual machines
Own network infrastructure including switches, firewalls, VPN, wireless controllers, and WAN links; maintain network documentation and diagrams
Maintain and test backup/disaster recovery procedures; own RTO/RPO targets; execute regular restore tests and document results
Support cloud-based services including Microsoft 365, Okta identity management, RingCentral, and offsite backup infrastructure; manage user provisioning, SSO configuration, and service health monitoring
Manage the enterprise EDR/endpoint security platform; monitor alerts, investigate detections, and coordinate remediation with the managed security provider
Monitor security alerts and events through the endpoint security platform; review firewall syslog data; escalate detections as needed and coordinate response actions
Execute vulnerability scanning, prioritize findings by risk, and drive remediation across infrastructure and endpoints
Maintain firewall rule sets and network segmentation; review and harden configurations on a recurring basis in coordination with the Technology Manager
Participate in incident response activities: containment, eradication, recovery, and post-incident review; contribute to IR playbook development
Support customer security audits and compliance questionnaires; assist with security awareness training for DSI employees
Contribute to desktop imaging standards, OS deployment workflows, and hardware lifecycle management across DSI facilities
Execute patch management cycles for Windows OS and third-party applications; track compliance and report metrics
Help define and enforce endpoint configuration baselines and Group Policy standards
Identify opportunities for desktop automation to reduce recurring support tickets and improve deployment consistency
Take your turn in the team’s rotating support coverage; own every incoming ticket end-to-end during your rotation—from initial response through resolution and customer confirmation
Own tickets from intake to close; request specialist support from teammates as needed; document root cause, resolution steps, and knowledge base articles
Assist with onboarding/offboarding of users, workstation configuration, and end-user training as needed
Execute planned projects across infrastructure, security, and desktop engineering within DSI’s protected deep-focus execution blocks; deliver on-time against project milestones and document outcomes