Open Systems International Careers, Benefits, Review

Experienced FP&A leader needed to drive budgeting, forecasting, and financial planning for a fast-growing solar and energy storage services company.

Serve as a senior technical advisor at CAISO to lead transmission asset maintenance, protective relaying, and IBR reliability efforts across the California grid.

A strategic, detail-oriented Executive Assistant is needed to partner with the CEO of a global renewable energy company, managing priorities, communications, travel, and confidential matters across time zones.

Work on a seed-stage product team building AI-enabled tooling to surface engineering context and eliminate coordination overhead for software teams.

Experienced financial analyst to lead budget, variance and financial analysis efforts supporting ERCOT’s finance operations and system upgrades.

Sargent & Lundy is hiring a Business Analyst to bridge business stakeholders and delivery teams, turning outcomes into user stories, process improvements, and measurable product value within a hybrid Chicago-based role.

Sargent & Lundy is hiring a Project Financial Analyst in Chicago to manage project budgets, forecasts, invoicing, and financial reporting for power and energy projects in a hybrid work environment.

Lead cross-functional technical programs at a fast-growing electrification company, coordinating software and product efforts to deliver scalable cloud, mobile, and embedded solutions.

Provide senior-level fuels and mechanical engineering expertise in support of extended power uprate, operations, and regulatory compliance at Energy Northwest's Richland site.

Shell Polymers seeks a Laboratory Technician in Monaca, PA to perform analytical testing, maintain lab instruments, and support production quality and safety on a 24x7 operational schedule.

Lead and deliver winning commercial proposals for Energy Vault's energy storage projects by coordinating technical, commercial, and executive stakeholders to drive profitable contract awards.

Experienced Project Manager needed to lead transmission, substation and distribution projects in a hybrid Charlotte role, managing safety, schedule, budget and client relationships across the project lifecycle.

California ISO is hiring an entry-level Associate Energy Data Acquisition Specialist to support telemetry and revenue metering configuration, testing, and certification in a flexible remote/hybrid role.