Senior Optimization Engineer (Operations Research)

Fluence (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our solutions and operational services are helping to create a more resilient grid and unlock the full potential of renewable portfolios. With gigawatts of successful implementations across nearly 50 markets, we are transforming the way we power our world for a more sustainable future. For more information, please visit fluenceenergy.com.

Job Description:

Senior Optimization Engineer (Operations Research)

Location: Melbourne, AU

ABOUT FLUENCE

Fluence, a Siemens and AES company, is a global market leader in energy storage products and services, and digital applications for renewables and storage. The company has deployed and contracted 46 GWh of energy storage across 273 projects in 48 markets worldwide. Across its portfolio of AI-enabled software applications, Fluence optimizes 34 GW of renewable and storage assets globally. Within this portfolio, Fluence Mosaic™ provides intelligent, automated bidding and trading solutions for energy storage and renewable assets, with 16 GW of assets deployed or awarded, helping customers increase energy and ancillary service revenues while reducing risk. Through its products, services, and advanced software platforms, Fluence is helping customers build more resilient electric grids and accelerate the transition to a more sustainable energy future. To learn more about Fluence, please visit: fluenceenergy.com.

OUR CULTURE AND VALUES

We are guided by our passion to transform the way we power our world. Achieving our goals requires creativity, diversity of ideas and backgrounds, and building trust to effect change and move with speed.

We are Leading

Fluence has deployed and contracted 46 GWh of energy storage globally and optimizes 34 GW of renewable and storage assets through its AI-enabled software platforms, including 16 GW managed by Mosaic™ automated trading solutions.

We are Responsible

Fluence is defined by its unwavering commitment to safety, quality, and integrity.

We are Agile

We achieve our goals and meet our customers’ needs by cultivating curiosity, adaptability, and self-reflection in our teams.

We are Fun

We value the diversity in thought and experience of our coworkers and customers. Through honest, forthcoming, and respectful communications we work to ensure that Fluence is an inclusive and welcoming environment for all.

ABOUT THE POSITION:

This position will sit within the MOSAIC teams, part of the Global Innovation and Delivery (GID) organization. MOSAIC is Fluence’s algorithmic bidding and trading software platform, leveraging artificial intelligence, advanced price forecasting, portfolio optimization, and automated market bidding to enable energy storage and flexible generation assets to participate optimally in wholesale electricity markets.

As a Senior Optimization Engineer, you will partner with cross-functional teams to develop and guide our market-leading optimization and bidding product, Mosaic, for renewable energy and battery storage assets in the Australian National Electricity Market (NEM). You will be able to identify the most impactful projects, proactively remove impediments, and successfully drive towards key initiatives. In addition, you will provide support to other members of the Optimization, Forecasting and Analytics teams.

Key responsibilities include:

• Build and maintain optimization models that translate market rules into compliant, revenue-maximizing asset scheduling and dispatch strategies.
• Integrate probabilistic price forecasts for Energy and Ancillary Services into optimization workflows in partnership with forecasting teams.
• Design and manage data pipelines that prepare market and asset data for optimization and store model outputs in production databases.
• Analyze optimization performance daily and continuously refine algorithms to adapt to evolving global electricity market conditions.
• Develop and enhance Fluence’s Mosaic bidding platform for battery storage and renewable energy assets.
• Implement software engineering best practices, including version control, CI/CD, automated testing, and scalable architecture.
• Deploy and operate containerized optimization services using Kubernetes, ensuring reliable, high-performance production environments.
• Collaborate across teams and lead by example, fostering strong communication, inclusion, innovation, and continuous learning.

What Will Our Ideal Candidate Bring to Fluence?

• Energy Market & Optimization Experience 5+ years developing optimization models for electricity market bidding and dispatch.
• Global Electricity Market Expertise Deep understanding of market design and bid optimization across regions such as the U.S., Europe, Australia, and Japan.
• Deregulated Market Knowledge Hands-on experience with markets such as CAISO, ERCOT, MISO, PJM, NEM, and similar competitive power markets.
• Optimization & Solvers Strong background in stochastic and convex optimization using commercial solvers such as Gurobi, Xpress, or CPLEX.
• Python & Production Systems Advanced Python skills for building and deploying optimization models, including CI/CD, testing, and containerized environments (e.g., Kubernetes).
• Software & Product Delivery Experience delivering production systems in agile or lean development environments.
• Communication & Collaboration Ability to work effectively with cross-functional teams and clearly explain complex technical concepts.
• Advanced Education & Modeling Master’s or PhD in a relevant field (e.g., OR, CS, EE), with bonus points for experience in game-theoretic modeling

APPLY

Fluence uses LinkedIn Talent Hub to manage our recruitment process. To be considered for this and all roles at the company, applicants must apply directly on LinkedIn here

Fluence IS AN EQUAL OPPORTUNITY EMPLOYER and fully subscribes to the principles of Equal Employment Opportunity to ensure that all applicants and employees are considered for hire, promotion, and job status without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, marital or familial status.

Our Culture

At Fluence, our culture is the foundation that drives our ambitious growth strategy and fuels our mission to transform the future of energy. Our core cultural pillars empower us to innovate, collaborate, and lead with purpose, ensuring we continue to deliver unparalleled value to our customers and the world.

Unleash Voices

We believe every voice matters. We encourage openness, active listening, and decisive action to create a culture where everyone has the opportunity to contribute to our success. We foster an environment where diverse perspectives are heard and valued, driving innovation and progress.

Customer Fluent

Our customers are at the heart of everything we do. We’re committed to delivering exceptional value that exceeds expectations by understanding our customers' needs and adapting swiftly to meet them. Our deep focus on customer satisfaction drives us to continuously improve and innovate.

Infinite Impact

We are committed to creating the impossible. We push boundaries to deliver sustainable, game-changing solutions that shape a brighter, more energy-efficient future for all. Our team is passionate about making a lasting impact that will resonate for generations to come.

All In

We are all in for growth. Our teams are relentlessly focused on identifying and seizing opportunities that propel us forward. We embrace an ownership mindset, pushing ourselves and each other to accelerate progress and create lasting success.