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Senior System Administrator Remote, USOperations – IT /Full-Time /Remote APPLY FOR THIS JOB About Omnidian Omnidian, Inc. is a fast-growing Series C tech-enabled service company revolutionizing performance assurance for the distributed solar and energy storage industries.  Omnidian is building a more sustainable future for the planet through our passionate teams, our innovative technology, and by creating an amazing customer experience. We are a certified B Corp, headquartered in Seattle, WA The Job As a Senior Systems Administrator at Omnidian, you will be a technical force multiplier during a period of rapid global expansion. You are a self-directed architect who thrives in high-growth environments, enjoys owning and improving systems, proactively leveraging modern AI tools to automate complex workflows and engineer resilient infrastructure. You will spend 60% of your time leading high-impact IT projects, 20% on proactive security remediation, and 20% providing Level 2+ support for our global, asynchronous workforce across the US, Australia, and Latin America. This role is primarily focused on project-based work and owning infrastructure improvements, with limited reactive support responsibilities. What You'll Do At Omnidian we believe in trust and autonomy. How you create an impact is ultimately up to you. Here is an outline of some of the things you’ll be doing: PROJECT LEADERSHIP & MENTORSHIP High-Stakes Execution: Lead the implementation and lifecycle management of high-stake infrastructure projects (IDP, MDM, ITAM) from conception to full completion. Technical Mentorship: Serve as a senior technical escalation point and mentor junior IT staff , fostering a culture of continuous learning Architectural Oversight:  Contribute to architectural decisions for SharePoint Online, ensuring site designs meet the specific data-governance needs of Finance and Legal while maintaining audit readiness. Global Infrastructure Scaling: Own, support, and implement infrastructure solutions to  meet sudden demand spikes, particularly during international expansion, Mergers & Acquisitions (M&A), and the onboarding of offshore staff. SECURITY & COMPLIANCE Vulnerability Remediation: Partner with the Information Security Team and senior IT staff to swiftly execute tasks required to remediate security findings and vulnerabilities within SOC2 and ISO frameworks. DR & BCP Support: Support and contribute to the development and testing of Disaster Recovery (DR) and Business Continuity Plans (BCP), primarily managed by the Information Security Team. Technical Standards: Establish and maintain technical designs and configuration baselines for all managed workstations, ensuring no “configuration drift” occurs across the global fleet. ADVANCED SUPPORT & OPERATIONS L2+ Technical Escalation: Provide high-level engineering support for complex hardware and software issues for a remote global team that exceed standard specialist capabilities. Observability & Monitoring: Design and maintain monitoring and observability frameworks to proactively track global system health and maintain high situational awareness. Vendor & Roadmap Alignment: Interact with key SaaS and infrastructure vendors to understand product roadmaps and articulate complex technical requirements for internal projects. Cloud Application Management: Provide deep technical management for the global cloud stack, including Google Workspace, GCP, Endpoint Detection & Response (EDR), and CRM solutions. OPERATIONAL EXCELLENCE & AI INTEGRATION ITIL Service Delivery: Operate within the ITIL framework for all service delivery, following a disciplined approach to incident, request, and change management. Change Management: Maintain a rigorous focus on proper Change Management procedures; demonstrate a deep understanding of the downstream impact of infrastructure changes before execution to ensure minimal business disruption. AI-Augmented Engineering: Proactively leverage AI tools i ... (truncated, view full listing at source)