Senior Portfolio Analyst

Are you a commercially astute analyst who thrives on turning complex data into strategic decisions? Do you want to play a pivotal role in one of Australia's most significant energy transformation journeys? We are seeking an experienced Senior Portfolio Analyst to help shape the future of our energy portfolio through sophisticated economic modelling, investment analysis and strategic decision support.

Reporting to the Head of Portfolio Delivery, you will be at the heart of evaluating and prioritising major energy transition opportunities. Working closely with senior leaders across Finance, Trading, Strategy, Asset Management and Operations, you will provide the commercial insights, scenario analysis and portfolio intelligence that support critical investment decisions. This is a unique opportunity to influence transformational projects, guide capital allocation decisions and contribute directly to a sustainable energy future.

Duties include but are not limited to: 

• Developing and maintaining economic and portfolio models to support investment decisions.

• Conducting financial, commercial and scenario analysis across a range of energy transition opportunities.

• Assessing project viability, portfolio value, risk, affordability and strategic fit.

• Supporting investment gate reviews, business cases and capital allocation decisions.

• Providing insights and recommendations to executive leaders and governance forums.

• Analysing market, operational, regulatory and technology impacts on portfolio performance.

• Performing sensitivity and risk analysis to support long-term planning.

• Collaborating with Finance, Trading, Strategy, Asset Management and project teams.

• Ensuring strong model governance, documentation and quality assurance practices.

• Identifying emerging risks, opportunities and continuous improvement initiatives.

Why Join Us?

This is more than an analytical role. It's an opportunity to have a genuine impact on Australia's energy transition, working alongside industry experts on projects that will help shape the future energy landscape. You'll be part of a collaborative, future-focused team where your insights will directly influence major investment and portfolio decisions.

About You 

To be successful in this role you will have the following skills and experience:

• Degree qualifications in any of Finance, Commerce, Economics, Engineering, Applied Mathematics, or a similar discipline or post graduate qualifications such as MBA or Certified Financial Analyst.

• Extensive experience in financial modelling, commercial analysis, investment assessment or portfolio analytics.

• Strong understanding of investment governance, business case development and capital allocation frameworks.

• Advanced Excel and financial modelling expertise.

• Experience within the National Electricity Market (NEM), energy sector, infrastructure, utilities or related industries.

• Exceptional stakeholder engagement and communication skills, with the ability to simplify complex information for diverse audiences.

• A proven ability to work collaboratively across multidisciplinary teams and influence strategic outcomes.

About Us

CS Energy is a proudly Queensland-owned and based energy company that provides power to some of our state’s biggest industries and employers. We generate and sell electricity, we are an energy retailer to commercial and industrial businesses, and we are investing in new energy assets including solar, wind farms, and battery storage.  

Every voice is important to us 

CS Energy is proud to foster an environment that builds respect, promotes inclusiveness, celebrates diversity and embraces the unique skills and qualities of all our employees. Reasonable adjustments to the recruitment process will be supplied to those who require additional support. 

As part of the recruitment process, the successful applicant may be required to complete a number of background checks including; reference checks, pre-employment medical, national police checks, right to work eligibility, verification of qualifications, and bankruptcy checks.

Job closing date: 10th September 2026