Assistant Manager - Business Modelling

Iris Software; Johannesburg; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A leading financial consultancy in Johannesburg is seeking an Assistant Manager in their Business Modelling team. This role involves developing high-quality financial models and working collaboratively on strategic projects. The ideal candidate has strong Excel and financial modelling skills, along with a minimum of 3 years of relevant experience. A competitive compensation package is offered, as well as opportunities for professional growth and development in a supportive team environment.

Benefits

Competitive compensation package

Support and coaching from leaders

Opportunities for skill development

Qualifications

• Minimum of 3 years’ relevant work experience in financial modelling, business planning, or related advisory roles.
• Ability to interpret complex data and provide actionable insights.
• Work effectively in a team environment with limited client interaction.

Responsibilities

• Design and develop robust Excel-based business planning and forecasting models.
• Provide assurance and insights on complex financial models.
• Deliver accurate, high-quality outputs aligned with professional standards.

Skills

Advanced Excel proficiency

Strong financial modelling skills

Analytical mindset

Collaboration

Education

CA(SA), CFA Level 1 or FMVA certification

Job description

The opportunity

As an Assistant Manager in our Business Modelling team, you will play a pivotal role in delivering high‑quality financial modelling solutions that empower clients to make confident, strategic decisions. You’ll work on diverse projects, including:

• Model Builds: Design and develop robust Excel‑based business planning and forecasting models.
• Model Reviews: Provide assurance and insights on complex financial models for transactions, project finance, and strategic evaluations.
• Collaborative Projects: Partner with cross‑functional teams on high‑impact deals and strategic initiatives.

Your key responsibilities

and review complex financial models for valuation, forecasting, and scenario analysis.
• Deliver accurate, high‑quality outputs aligned with EY’s professional standards.
• Communicate effectively within the team and contribute to client deliverables.
• Support risk management processes and maintain strong attention to detail.
• Demonstrate curiosity and a growth mindset, challenging assumptions and improving processes.

Skills and attributes for success

• Technical Expertise: Advanced Excel proficiency and strong financial modelling skills.
• Analytical Mindset: Ability to interpret complex data and provide actionable insights.
• Collaboration: Work effectively in a team environment with limited client interaction.
• Professional Qualifications: CA(SA), CFA Level 1 or FMVA certification, or similar, are all advantageous.
• Experience: Minimum of 3 years’ relevant work experience in financial modelling, business planning, or related advisory roles.

What we look for

We are looking for candidates who are highly motivated, analytical, logical thinkers with a passion for business modelling and analytics, with very strong attention to detail. Being a strong team player is critical with the ability to adapt to changing requirements or deadlines in support of our clients’ goals. Also, being highly motivated and self‑aware to work autonomously where required.

What we offer

At EY, our Total Rewards package supports our commitment to creating a leading people culture – built on high‑performance teaming – where everyone can achieve their potential and shape the future with confidence, making an impact for our people, our clients and our communities. It’s one of the many reasons we repeatedly win awards for being a great place to work.

We offer a competitive compensation package where you’ll be rewarded based on your performance and recognized for the value you bring to our business. In addition, our Total Rewards package allows you to decide which benefits are right for you and which ones help you create a solid foundation for your future.

Plus, we offer:

• Support, coaching and feedback from some of the most recognized and engaging leaders in the profession;
• Opportunities to develop new skills and progress your career;
• The freedom and flexibility to handle your role in a way that’s right for you.

If you can demonstrate that you meet the criteria above, please contact us as soon as possible. The exceptional EY experience. It’s yours to build.