Sr. Manager, Process & Platform- OneStream

MarsHackettstown, NJ
$169,840 - $233,530Hybrid

About The Position

The Sr. Manager, Process and Platform ensures the integrity and reliability of Mars Inc.’s OneStream system. This role will provide internal quality management for the design, implementation and maintenance of the OneStream system and period close process changes. You will lead a team of 3 OneStream administrators combining leadership as well as hands-on involvement. This role requires building a strong network and work in close collaboration with IT, MGSF/SFO, Controllership and FP&A at the Corporate and GBU levels to ensure the needs of all stakeholders will be met. The job holder will work closely with our external consultants to ensure OneStream design will meet the needs of External and Internal reporting with the flexibility to change as our business Is constantly evolving. Driving good quality data is crucial for the success of our digital tools to help drive better business decisions.

Requirements

  • Bachelor’s degree in IT, Accounting, Finance, or related field.
  • 10+ years’ experience working with financial systems, at least 5 in the EPM space and 2 years of OneStream experience.
  • Experience developing and leading high-performance teams.
  • Strong understanding of US GAAP and consolidation accounting in a large multinational company.
  • Excellent verbal and written communication skills and the ability to explain technical concepts to non-technical people
  • Strong knowledge of internal controls/SOX
  • Experience in fast-paced environment, with the ability to lead multiple tasks and meet deadlines.

Responsibilities

  • Development, maintain, and support the OneStream financial system.
  • Oversee governance of system changes, upgrades, security, and archival.
  • Lead a team of 3 OneStream administrators who support the periodic, quarterly, and annual financial close process as well as new unit integrations and training.
  • Business partner across the entire ecosystem in the design, implementation and delivery of corporate requirements and transparency of financial performance through integrated systems, processes and ultimately reporting.
  • Provide OneStream expertise on technology/process improvements and upgrades.
  • Provide critical support to the financial close process as it relates to OneStream.
  • Continual assessment and refinement of OneStream system to ensure alignment with changing business requirements.
  • Ad-hoc projects (related to OneStream)
  • Oversee data inflow and outflow in OneStream from various ERP/Planning/Allocation systems.

Benefits

  • company bonus
  • medical and dental benefits
  • participation in 401k plan
  • paid time off benefits
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service