Systems Administrator

Architect, deploy, secure, and maintain core corporate IT and operational technology systems supporting deployed microgrids Design, deploy, and maintain server, storage, and virtualized infrastructure across cloud and on-premises environments Own identity and access management, including onboarding/offboarding, role-based permissions, MFA, privileged access, backups, and audit logging Apply patches and updates while maintaining system health and availability Administer EDR, SIEM, MDM, and vulnerability management tools Extend security controls into OT through segmentation and secure remote access Support SOC 2 and ISO 27001 audit readiness and incident response Provide Tier 1–3 support across Windows, macOS, Linux, virtualization, and cloud Manage Microsoft 365, Google Workspace, and Azure, including VMs, storage, identity, and conditional access Implement cloud backup and disaster recovery Design and maintain switching, routing, VLANs, firewalls, and VPNs Configure cellular modems and gateways for microgrid site connectivity, including carrier/APN/SIM provisioning, NAT, and failover Build secure IT/OT remote access paths Support microgrid controllers, PLCs, HMIs, SCADA, inverters, and meters Troubleshoot Modbus, DNP3, MQTT, SNMP, and BACnet protocol issues Partner with the control team on on-site commissioning and OT patch/firmware management Build and tune IT/OT monitoring and alerting, create dashboards, and reduce MTTD/MTTR Maintain system/network diagrams, SOPs, configuration baselines, and runbooks Generate performance and capacity reports Report to the Senior Manager, IT Requirements Bachelor's degree in IT, Computer Science, or related field (or equivalent experience) 5+ years as a Systems Engineer/Administrator with direct network administration responsibility Strong networking fundamentals Demonstrated experience with NIST, ISO 27001, and/or SOC 2 frameworks Technical proficiency with Windows Server, Linux (Ubuntu/CentOS), Active Directory, Azure AD, Group Policy, M365, VMware/Hyper-V Strong networking knowledge including

TCP/IP

, subnetting, routing, VLANs, DNS/DHCP, NAT, firewalls, and VPNs Hands-on experience with cellular modems/industrial gateways and carrier/SIM management Experience with monitoring/alerting tools and backup/DR platformsFamiliarity with industrial protocols and IT/OT segmentation Willingness to travel approximately 25%, including field visits to operating microgrid sites Ability to participate in an on-call rotation and evening/nighttime system migration tasks when required OT/ICS/SCADA experience in energy, utilities, renewables, or industrial/building systems strongly preferred Certifications such as Network+/Security+, CCNA, Azure Administrator, MCSA/MCSE, RHCSA, GICSP, or similar preferred Zero Trust and NIST 800-82/IEC 62443 knowledge a plus Strong analytical and communication skills; highly organized and detail-oriented; collaborative, customer-focused mindset Core Competencies Demonstrates expertise in architecting, deploying, and maintaining IT and operational technology systems, with a strong focus on security, identity management, and compliance with frameworks such as SOC 2 and ISO 27001. Proficient in managing cloud and on-premises infrastructure, including virtualization, networking, and industrial protocols. Highest-signal resume keywords Systems Engineering/Administration Identity And Access Management Networking Fundamentals Cloud Infrastructure Management OT/ICS/SCADA Experience ATS Optimization Keywords Hard Skills Windows Server Linux (Ubuntu/CentOS) Active Directory Azure AD TCP/IP VLANs Firewalls VPNs Monitoring Tools Backup/Disaster Recovery Soft Skills Analytical Skills Communication Skills Organizational Skills Collaborative Mindset Detail-Oriented Certifications & Qualifications Network+ Security+ CCNA Azure Administrator

MCSA/MCSE

RHCSA

GICSP

Industry Keywords NIST

ISO 27001

SOC 2

IT/OT Segmentation Microgrid Energy Utilities Renewables Industrial Systems Building Systems Tools & Technologies EDR SIEM MDM VMware Hyper-V Microsoft 365 Google Workspace Cellular Modems Industrial Gateways

SCADA

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