Portfolio Manager

About Diamond Infrastructure Solutions (website opens in a new tab)

Diamond Infrastructure Solutions is an infrastructure-focused company strategically located in the U.S. Gulf Coast – the heart of U.S. manufacturing. The company is comprised of ~2700 employees and contractors that are driven by a customer‑first entrepreneurial mindset, offering expertise and turn‑key services to more than 70 on‑site and off‑site customers across the U.S. Gulf Coast. The company is built upon the foundation of Dow’s world‑leading operational excellence to deliver best‑in‑class services and reliability.

Our vision is to be the trusted leader in infrastructure—delivering reliable, sustainable, and cost‑effective solutions that adapt to our customers’ evolving needs. At Diamond Infrastructure Solutions, we empower growth across the U.S. Gulf Coast by providing strategic land access and dependable services. Backed by world‑class assets, scale, and expertise, we help our partners optimize costs, accelerate their ambitions, and achieve lasting value through every project and partnership.

Our People are the integral ingredient to our culture of employee ownership and excellence‑driven core values. An unwavering focus on employee & asset safety and the generational impact to our environment & surrounding communities is critical. Together we will strategically deliver Focused Growth while positioning the organization to leverage industry megatrends for sustained success.

* This role is aligned to the Diamond Infrastructure Solutions (“Diamond Infra”) company and will be seconded from Dow to Diamond Infrastructure Solutions until January 1, 2027. At that time, the role will become directly aligned to the Diamond Infrastructure Solutions Company. *

Diamond Infrastructure Solutions has an exciting job opportunity as a Portfolio Manager.

This role provides a unique opportunity to directly influence Diamond’s Energy business by supporting existing Tenant contracts, participate in the development of new Tenants opportunities, and by participating in defining the strategy for Diamond’s Energy services and assets.

Diamond provides site services to site tenants and fence line partners at 5 sites located on the US Gulf Coast. The Portfolio Manager role provides a focal point for interaction between Diamond’s Business Development group, the functional Tech Centers, Energy Commercial Managers, and the associated operational leaders at Diamond’s sites.

• Utilize financial acumen to develop and update pricing formulas, using historical accounting and operational information considering the next best alternative and balancing service pricing with overall project value/impact.
  • Retrieve, organize, and consolidate historical service delivery costs that are applicable using ECC/DSR;
  • Validate historical service delivery costs used as a basis for pricing;
  • Adjust, as needed, historical service delivery costs to account for non‑routine or abnormal cost variances;
  • Determine when Next Best Alternative, or market‑based pricing.
• Develop the contractual requirements associated with each service provided to, or received from, potential new tenants.
• Work with the functions and site operations contacts to validate data used in establishing service quantity commitments (Contract Quantities) included in site service agreements for new tenants.
• Monitor service financial performance to ensure revenue and margins are aligned with those anticipated when service pricing was established. Investigate and initiate resolution for cases of inadequate margin performance.
• Provide support for issue resolution during the monthly, quarterly, and annual closing activities.
• In coordination with the contract managers, support annual budgeting and annual/monthly forecasting for tenant and fence line partner service consumption.
• Establish and maintain best practices for all aspects of the portfolios, including implementation, contract language, and pricing strategies.
• In collaboration with the Business Development team, lead the technical feasibility, scoping and development of service offering
• In collaboration with Contract Management, identify…