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. *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. * 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 interpersonal skills are essential for upholding a culture of integrity, safety, inclusion, and innovation. Responsibilities Lead and support multiple initiative sub-teams to deliver project results, ensuring adherence to work processes and smooth transitions to execution teams. Identify and prioritize strategic initiatives and business opportunities in collaboration with site operations, support functions, and external partners. Develop clear, data-driven business cases, including financial models, ROI/IRR, and value realization plans. Lead and oversee end-to-end execution of approved initiatives with the appropriate execution teams, from planning through implementation and benefits realization. Apply strong project management discipline to manage scope, schedule, risks, dependencies, and stakeholder expectations. Provide effective communication and coordination between the project teams and key stakeholders. Provides regular updates on scope, objectives/goals, cost, progress vs. plan and risks. Support prioritization of initiatives based on strategic alignment, value potential, speed to impact, and resource requirements. Support maintenance of the overall opportunity repository Required Qualifications A minimum of a bachelor's degree or relevant military experience at or above a U.S. E5 or Canadian Petty Officer 2nd Class or Sergeant ranking. A minimum of 8 years of relevant working experience in projects, improvement, plant or business operations. A minimum requirement for this position is the ability to work legally in the United States.  No visa sponsorship/support is available for this position, including for any type of U.S. permanent residency (green card) process. Preferred Qualifications Experience in a commercial setting supporting project or business development. Prior experience in the project development of complex projects, often leading simultaneous development of several projects. Experience in site functions such as Energy, Environmental Operations, Site Logistics, EH&S&S, Site Infrastructure, and Maintenance. Familiarity / experience with the structure, language, and/or administration of contracts (transactional, services-related, etc.). Ability to easily connect with different levels and functions at the customer level and internally. Ability to articulate and differentiate appropriate offerings and value propositions that combine technical aptitude with commercial ability. Ability to translate opportunities to a concrete strategy in line with business strategy, obtain internal stakeholder buy-in, and successfully negotiate a win-win with the prospective customer. Expertise (proficiency and experience) in the management, manipulation, analysis, and consolidation of large data sets in Excel. An ability to manage a high and diverse workload and the ability to respond quickly to changing schedules, particularly in support of growth project activities. Your Skills Financial acumen: gained through direct experience including understanding concepts such as revenue, margin, fixed and variable costs, depreciation, and activity-based cost recovery. An ability to use SAP and DSR to collect and investigate the historical service costs and consumption. Proficient in the management, manipulation, analysis, and consolidation of large data sets in Excel. Independent Thinking: Ability to operate independently and collaboratively to manage a high and diverse workload.  Ability to respond quickly to changing schedules. Communication: Strong written and verbal communication skills. Business Relationship Management: An ability to form professional and respectful relationships with employees across many functions and geographies. Commercial Developments: Ability to solicit, collate and analyze data to develop clear opportunity business cases Additional notes This position does not offer relocation assistance Role may include infrequent travel <5% to other Gulf Coast locations Diamond encourages 3 days per week in the office while this role allows employees flexibility by choosing when to work remotely and when to attend on-site activities based on customer engagement, project work and role needs. Benefits – What Diamond Infrastructure Solutions offers you We invest in you. Diamond Infrastructure Solutions invests in total rewards programs to help you manage all aspects of you: your pay, your health, your life, your future, and your career. You bring your background, talent, and perspective to work every day. Dow rewards that commitment by investing in your total wellbeing. Vibrant network of Employee Resource Groups (ERGs) designed to foster inclusion and belonging. With ten ERGs spanning diverse interests and identities, there’s a group for everyone. Employees are encouraged to join and actively participate. Equitable and market-competitive base pay and bonus opportunity across our global markets, along with locally relevant incentives. Benefits and programs to support your physical, mental, financial, and social well-being, to help you get the care you need...when you need it. Competitive retirement program that may include company-provided benefits, savings opportunities, financial planning, and educational resources to help you achieve your long term financial-goals. Employee stock purchase programs (availability varies depending on location). Student Debt Retirement Savings Match Program (U.S. only). Dow will take the value of monthly student debt payments and apply them as if they are contributions to the Employees’ Savings Plan (401(k)), helping employees reach the Company match. Robust medical and life insurance packages that offer a variety of coverage options to meet your individual needs. Travel insurance is also available in certain countries/locations. Opportunities to learn and grow through training and mentoring, work experiences, community involvement and team building. Workplace culture empowering role-based flexibility to maximize personal productivity and balance personal needs. Competitive yearly vacation allowance. Paid time off for new parents (birthing and non-birthing, including adoptive and foster parents). Paid time off to care for family members who are sick or injured. Paid time off to support volunteering and Employee Resource Group’s (ERG) participation. Wellbeing Portal for all Dow employees, our one-stop shop to promote wellbeing, empowering employees to take ownership of their entire wellbeing journey. On-site fitness facilities to help stay healthy and active (availability varies depending on location). Employee discounts for online shopping, cinema tickets, gym memberships and more. Additionally, some of our locations might offer: Transportation allowance (availability varies depending on location) Meal subsidiaries/vouchers (availability varies depending on location) Carbon-neutral transportation incentives e.g. bike to work (availability varies depending on location) Diamond Infrastructure Solutions is an Equal Employment Opportunity employer and is committed to providing opportunities without regard for race, color, religion, sex, including pregnancy, sexual orientation, or gender identity, national origin, age, disability and genetic information, including family medical history. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may call us at 1-833-My Dow HR (833-693-6947) and select option 8.