Vanguard Program Portfolio/Project Manager
Listed on 2026-02-21
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Management
Operations Manager, Financial Manager, Program / Project Manager, Business Management
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At a glancePrimary
Location:
Houston (TX, USA),Texas,United States of America
Additional Locations: Freeport (TX, USA) Texas City (TX, USA) Seadrift (TX, USA) Plaquemine (LA, USA) + More - Less
About Diamond Infrastructure Solutions (website )
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.
At this time, the role will become directly aligned to the Diamond Infrastructure Solutions Company.
About You and This Role
Diamond Infrastructure Solutions has an exciting opportunity for a Portfolio Manager within the new and exciting Vanguard Team at or near one of Diamond’s US Gulf Coast locations in Texas or Louisiana.
The Vanguard Team is aligned to the Business Development function and is chartered to accelerate business growth through focused, high‑impact initiatives. The Team’s mission is to deliver measurable growth, cost savings, and operational efficiency by prioritizing quick wins and near‑term opportunities.
As a core team member of Vanguard, you will act as a focal point between Diamond’s Business Development group, the functional Tech Centers, and the associated operational and commercial leaders and teams at Diamond’s sites.
This role provides a unique opportunity to directly influence Diamond’s growth and bottom line by leading the development of new value and cost‑savings opportunities, and by participating in defining the strategy for the Vanguard Team.
The Vanguard Portfolio Manager drives business growth by leading cross‑functional projects focused on revenue, cost savings, and operational efficiency. Key responsibilities include identifying opportunities, developing data‑driven cases, and managing prioritized initiatives. The role requires solid financial acumen, strategic thinking, effective execution, and the ability to collaborate with stakeholders and teams. Strong influential leadership and…
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