Sr. Systems Administrator

Job Summary

The Senior Systems Administrator is responsible for designing, implementing, and maintaining Standard Solar’s IT infrastructure, business systems, cloud platforms, and operational technology support environment. This role provides technical ownership across user‑facing and back‑end systems, including hybrid identity, Microsoft cloud services, virtualization, networking, security controls, system integrations, documentation, and operational support. The ideal candidate is a proactive problem‑solver with strong technical, analytical, project management, and communication skills who can partner effectively with internal stakeholders, vendors, contractors, and Brookfield Renewable Partners to deliver secure, scalable, and cost‑effective technology solutions.

This position is based on‑site in the Rockville, MD office. Evening, weekend, or on‑call work is not regularly planned, but may be required on occasion; travel to project sites in the United States is possible.

• Manage the definition, development, implementation, configuration, and maintenance of new and existing user‑facing, back‑end, cloud, network, and business technology systems.
• Provide operational system ownership, technical leadership, hands‑on engineering, and technical program management for assigned platforms and services.
• Oversee and support servers, virtualization platforms, networking infrastructure, Microsoft cloud systems, SaaS platforms, integrations, and related security controls.
• Monitor system performance, troubleshoot complex issues, perform updates and patches, support backup and recovery practices, and ensure high availability, reliability, integrity, and security of systems and data.
• Partner with leadership, architecture teams, project teams, business stakeholders, vendors, contractors, and end users to identify requirements, perform feasibility analysis, and deliver practical solutions aligned with business outcomes.
• Design, support, and maintain system integrations with other platforms, including API‑based integrations where applicable, specific to the needs of Standard Solar.
• Develop and maintain technical documentation, including SOPs, system specifications, logical and physical architecture diagrams, platform configurations, change records, implementation plans, processes, and procedures.
• Conduct regular audits, assessments, and reviews of systems and networks to identify risks, vulnerabilities, issues, and opportunities for optimization.
• Ensure risks and issues are identified, documented, escalated, and actioned appropriately in accordance with ISO processes, company quality expectations, and applicable compliance frameworks.
• Provide advanced technical support for hardware, software, cloud, identity, network, security, and infrastructure issues, escalating when necessary.
• Stay current with evolving IT systems, cybersecurity, cloud, networking, and infrastructure technologies; recommend improvements, innovations, and cost‑effective solutions.

• Hybrid and cloud identity, with Microsoft Active Directory & Entra , including third‑party SSO integrations using SAML and/or OIDC
• MFA (Cisco Duo experience preferred) and Conditional access policy design and implementation
• Microsoft cloud systems, including Microsoft 365, Entra, Azure, and related administration, configuration, and support practices.
• Core networking concepts, including switching, routing, firewall administration, network protocols, and cybersecurity best practices.
• Virtualization platforms such as VMware, Proxmox, or similar technologies.
• System integration design and support, including API integrations where applicable.
• Technical documentation, including SOPs, architecture diagrams, platform configurations, support procedures, implementation plans, and change records.
• Strong analytical thinking, logical reasoning, troubleshooting ability, attention to detail, and demonstrated ability to assess and solve complex technical problems.
• Ability to manage multiple priorities, systems, issues, and projects under time pressure while remaining flexible and adaptable to changing requirements.
• Effective oral and…