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Manager - OneStream

Job in Glendale, Milwaukee County, Wisconsin, USA
Listing for: Rehlko Uninterruptible Power Ltd.
Full Time position
Listed on 2026-06-12
Job specializations:
  • Engineering
    Data Engineering, Financial Manager
Salary/Wage Range or Industry Benchmark: 94400 USD Yearly USD 94400.00 YEAR
Job Description & How to Apply Below
## Manager - One Stream Apply remote  type:
Hybrid locations:
Milwaukee, WItime type:
Full time posted on:
Posted Yesterday job requisition :
R03936

Why Work at Rehlko Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.

Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands.

Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.

At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future!
** What We Offer
** At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:
* Competitive compensation and benefits
* Work-life flexibility
* Recognition and rewards
* Development and career opportunities
* A safe and inclusive workplace
** Why You Will Love this Job
** The salary range for this position is $94,400.

- $ annuallly. Final compensation will be determined based on experience, skills, and qualifications.
*
* Location:

** Hybrid in Glendale, WIWe are seeking a manager to be part of our One Stream Center of Excellence (COE) as the primary architect and business liaison for our financial consolidation and reporting platform. This individual will serve as the single point of ownership for One Stream, specifically for the FP&A function to optimize financial processes, ensure data integrity, and deliver strategic reporting solutions.

The role requires equal parts technical expertise, financial acumen, and stakeholder management to maintain and enhance our global financial reporting capabilities.

This is a high-impact role for a finance systems expert who enjoys both technical work and business collaboration. You will be the go-to One Stream expert, shaping how finance operates and ensuring reliable, timely reporting across the organization.
** Specific Responsibilities:
** One Stream Leadership & Strategy
* Act as the  owner of One Stream FP&A work streams managing all aspects of the platform from configuration to end-user support
* Partner with  FP&A, Business Finance and Corporate Finance and Accounting teams to understand reporting needs and deliver solutions
* Develop the One Stream roadmap, prioritizing enhancements that align with finance leadership objectives
* Ensure compliance with US GAAP related controls requirements, and other regulatory requirements

Technical Solution Delivery
* Design and implement custom consolidations, reports, dashboards, and workflows in One Stream
* Build and maintain integrations with ERP systems (SAP, QAD) and other financial tools
* Write and maintain  Basic scripts for calculations, data transformations, and business rules
* Lead testing and validation for all system changes before production deployment

Business Process Optimization
* Streamline…
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