Experienced OneStream Consultant

AIQOS; Den Haag; On-site; EUR 60,000 - 100,000; Full time

Job summary

AIQOS in the Netherlands is seeking an Experienced OneStream Consultant to take ownership of project delivery within our international finance-focused team.

You will architect end-to-end OneStream solutions, mentor consultants, and drive quality with rigorous best-practice validation while collaborating closely with clients and colleagues across borders.

Qualifications

• Minimum 3 years of OneStream experience or in the EPM world.
• Deep knowledge of financial consolidation, planning, and reporting.
• Ability to guide teams, delegate tasks, and build a collaborative environment.
• Translate business requirements into scalable technical solutions.
• Advanced Excel skills; VBA, VB.net, SQL, or C# is a big plus.
• Fluent English, spoken and written; Dutch, German, French, or Spanish is an advantage.
• Applicants must be located in the Netherlands with work and residence permit.

Responsibilities

• Build your profile internally and externally as a subject matter expert across our international teams and client base.
• Communicate and present ideas and solutions clearly to customers, team members, and partners.
• Architect end-to-end OneStream solutions tailored to client needs.
• Provide quality assurance and validate solutions against best practices.
• Mentor and coach other consultants.
• Identify and mitigate project risks proactively.

Skills

OneStream experience

Financial consolidation

Planning and budgeting

Team leadership

Translate business requirements

Advanced Excel

Fluent English

Multilingual advantage

Tools

Excel

VBA

VB.NET

SQL

C#

Job description

At AIQOS, we treat our team like a professional sports team: trust, responsibility, and competence in our people. Together, we build the environment to perform and achieve goals.

We're a group of seasoned EPM consultants with deep OneStream experience. Some of our founders have advised on and implemented this finance platform since 2013, on the first OneStream project in mainland Europe and the second outside the US. Working at AIQOS means joining an international, tightly knit team that simplifies complexity for some of the biggest companies in the world. We're 165+ customers, 650+ projects delivered, 150+ consultants, and 12 countries strong.

As an Experienced OneStream Consultant, you take on greater ownership of project delivery, often leading full implementations or complex streams within larger programs. You bring deep technical expertise and strong business acumen to every engagement.

Key responsibilities

• Build your profile internally and externally as a subject matter expert across our international teams and client base
• Communicate and present ideas and solutions clearly to customers, team members, and partners
• Architect end-to-end OneStream solutions tailored to client needs
• Provide quality assurance and validate solutions against best practices
• Mentor and coach other consultants
• Identify and mitigate project risks proactively

Qualifications

• Minimum 3 years of relevant experience with OneStream or in the EPM world
• Excellent knowledge of financial consolidation, planning, and reporting
• Ability to guide teams, delegate tasks, and build a collaborative environment
• Skill in translating business requirements into scalable technical solutions
• A track record of meeting high standards and industry best practices
• Advanced Excel skills; experience with VBA, VB.net, SQL, or C# is a big plus
• Fluent English, spoken and written; Dutch, German, French, or Spanish is an advantage

Applying candidates must be located in the Netherlands and hold, in principle, a work and residence permit for the country.