Job Description

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 this role

Diamond Infrastructure Solutions has an exciting opportunity for a Senior Site HR & LR Manager located in Freeport (TX).

The Senior Site HR & LR Manager is the primary HR business partner for unionized operational sites supporting the Diamond business across Texas (Freeport, Stratton Ridge, Oyster Creek, Seadrift, Houston, Angleton, and Texas City). The role provides end-to-end HR support, including labor and employee relations, talent management, skills and learning execution, contractor workforce management, and local talent sourcing. Partnering closely with site leadership, union representatives, and Diamond corporate HR, the position ensures workforce capability, compliance, and operational continuity in a dynamic Gulf Coast operating environment.

This role requires advanced labor relations expertise, credibility with frontline and senior leaders, and the ability to translate business strategy into practical workforce solutions. The incumbent holds ultimate accountability for site people activities in compliance with local labor laws and leads all labor relations processes, including contract negotiations, administration, interpretation, and management guidance aligned with company objectives. Strong analytical judgment, influencing skills, and the ability to lead complex problem-solving efforts and cross-functional initiatives are essential. This is a site-based role supporting a 24/7 workforce, with time spent in both office and operational settings and travel required across Texas sites.

Responsibilities

Site HR Partnership & Employee Relations

• Serve as the on-site HR partner for leaders, supervisors, and employees across union and non-union populations for all site HR needs.
• Provide day-to-day guidance on HR policies, procedures, performance management, attendance, and conduct
• Lead employee relations matters including investigations, disciplinary actions, grievance response, and corrective action in alignment with labor agreements and company policy
• Support a positive employee experience while maintaining consistent application of policies and labor agreements

Labor Relations (Union Workforce)

• Act as the primary labor relations partner for the site in collaboration with HR leadership
• Interpret, administer, and ensure compliance with collective bargaining agreements (CBAs)
• Support grievance handling, step meetings, and resolution in partnership with site leadership
• Prepare leaders for labor discussions, contract administration, and employee communications
• Assist with union negotiations, preparation of proposals, costing support, and implementation of negotiated changes
• Maintain effective working relationships with union representatives while protecting business interests
• Manages strikes and holds responsibility to communicate strategies, expectations, and guidance to the Company.

Talent Management – Skills & Learning and Talent Acquisition

• Partner with the Sr. Talent Manager and Diamond business leadership to execute site-level talent management strategies focused on skills, capability, and workforce readiness
• Support skills assessment, qualification tracking, and role-based competency development for hourly and salaried roles
• Coordinate and deliver learning initiatives specific to Diamond business needs, including:
  • Technical and operational skills development
  • Leadership and supervisor capability building
• Partner with Dow corporate Learning & Development teams to localize and implement Diamond appropriate enterprise programs at the site level
• Support succession planning and internal talent pipelines for critical roles
• Support local talent sourcing strategies to meet site workforce needs, including supporting local recruiting events, job fairs, and community outreach initiatives
• Partner with Talent Acquisition to fill hourly, skilled trades, and salaried roles

​ Contractor Workforce Management

• Serve as the HR point of contact for contractor workforce management at the sites.
• Maintain contractor rosters, role clarity, and workforce data in alignment with site and corporate requirements
• Partner with HR Leadership, Procurement, Operations, and site leadership to:
  • Monitor contractor utilization and cost
  • Ensure appropriate role scope and classification
• Support evaluation and execution of contractor-to-employee conversions, including business case development, selection processes, and onboarding
• Ensure consistent application of contractor policies and site expectations

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.
• 5+ years of progressive HR experience in an operational or site-based environment
• Direct experience supporting a unionized workforce and administering CBAs, including grievance handling and contract negotiations
• Strong knowledge of U.S. employment and labor laws
• Demonstrated ability to partner effectively with frontline leaders and union representatives
• A minimum requirement for this U.S. based position is the ability to work legally in the United States. No visa sponsorship/support is available for this position.

Preferred Qualifications

• Degree discipline in Human Resources, Business, Labor Relations, related field or equivalent experience
• Experience in manufacturing, chemical, energy, infrastructure, or industrial operations
• Experience with skills-based workforce models and technical learning programs
• Contractor workforce management experience
• Multi-state Gulf Coast experience

Skills

• Employee Relations Strategy Set direction and guide leaders through complex, high-risk employee relations matters
• HR Governance & Policy Leadership Serve as the site authority on HR policy interpretation, ensuring alignment with labor agreements and business objectives
• Labor Relations Leadership Lead labor relations activities including negotiations, contract strategy, grievance escalation, and strike preparedness
• Senior HR Business Partnership: Hold accountability for all site people activities and workforce outcomes across multiple locations.
• Strategic Influence & Credibility Influence senior leaders, union representatives, and corporate HR through trusted partnership and judgment
• Workforce Capability Strategy Define and execute site workforce capability strategies, including skills, learning, and readiness for future needs
• Talent & Succession Strategy Drive long-term talent planning, succession strategies, and internal pipelines for critical roles.
• Contractor Workforce Strategy Own contractor workforce strategy, including cost management, role scope, and integration with site operations

Additional notes

• Domestic relocation assistance is available for this role and may be provided based on eligibility

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.