Senior Process Engineer, Midstream Facilities

Williams Power Innovation; Pittsburgh (Allegheny County); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

401(k) with company match

Paid time off

Parental leave

Tuition reimbursement

HSA and FSA options

Life insurance

Employee stock purchase plan

Diversity and inclusion initiatives

Job summary

Williams seeks a Senior Process Engineer in Pittsburgh to lead engineering design, simulations, and project execution for midstream natural gas facilities. You will evaluate processes, size equipment, and drive optimization from concept through startup.

With 8+ years in gas/petrochemical engineering, you will supervise teams, deliver technical presentations, and ensure safety and regulatory compliance while collaborating across disciplines.

Qualifications

• Bachelor’s degree in engineering with ABET accreditation and PE license is preferred.
• 8+ years of multifaceted engineering experience in natural gas or petrochemicals.
• Ability to supervise others and lead projects.

Responsibilities

• Conduct technical and economic evaluations, performance testing, and design/construction of facilities.
• Develop process simulations and perform heat/mass balances and equipment sizing.
• Lead the design/optimization of gas compression and dehydration facilities.
• Evaluate gas compositions and predict phase behavior under varying conditions.
• Prepare PFDs, P&IDs, datasheets, and operating philosophies; ensure safety standards.
• Provide lifecycle technical support from concept to commissioning and troubleshooting.
• Support process safety and regulatory compliance through HAZOPs and MOC processes.
• Other duties as assigned.

Skills

Process engineering

Project leadership

Presentation skills

Team supervision

Education

ABET Engineering degree

PE license

Tools

ProMax

VMGSim

Job description

At Williams, we’re powering a cleaner, more connected future, and that starts with you. Here, your work fuels communities, drives innovation, and helps deliver reliable energy the world depends on. Join a Fortune 500 team that invests in your growth, values your contributions, and challenges you to make a lasting impact every day.

As a Senior Process Engineer , you will conduct technical and economic evaluations, performance testing, design and construction of new and existing facilities, and research on new developments, applying your strong understanding of industry and operational requirements. Taking initiative and anticipating customer needs will make you a stand-out player. Confidence in presentation-making and the ability to work independently and as a team leader are also vital in this role!

Responsibilities/Expectations:

• Accounts for a diverse range of sophisticated assignments requiring the use of experience, innovation and judgment
• May supervise the work of others
• Demonstrates technical expertise in a specialty, geographic area, or operational function and applies specialized knowledge in the effective completion of large-scope projects
• Prepares and delivers presentations
• Anticipates internal/external customer needs; assesses requirements and identifies solutions
• Interprets internal/external business challenges and improves products, processes or services
• Collaborates with teams to ensure compliance, build improvement plans and meet training needs
• Champions processes, procedures and safety standards
• Monitors and controls costs and resources associated with projects
• Provide process engineering support for the design, expansion, optimization, and troubleshooting of midstream natural gas and liquids facilities, including gathering, compression, dehydration, stabilization, and NGL systems.
• Develop and maintain process simulations using ProMax, VMGSim, and other engineering tools to perform heat and material balances, hydraulic analyses, equipment sizing, and process optimization.
• Lead the design and optimization of natural gas compression and dehydration facilities, including associated liquids handling, vapor management, process controls, and emissions-control systems.
• Evaluate gas compositions, operating conditions, and phase behavior to predict condensation, water dropout, hydrate formation, dew points, and liquids production.
• Develop and review PFDs, P&IDs, equipment datasheets, operating philosophies, and overpressure protection systems, including PSV sizing.
• Size, specify, and select process equipment, including separators, vessels, heat exchangers, pumps, control valves, dehydration equipment, and related systems.
• Provide technical support throughout the full project lifecycle, from conceptual and detailed design through construction, commissioning, startup, performance testing, and operational troubleshooting.
• Support process safety and regulatory compliance through HAZOPs, PHAs, relief-system evaluations, MOC, and adherence to company standards, industry codes, and regulatory requirements.
• Other duties as assigned

Education/Years of Experience:

• Required: Bachelor’s Degree in relevant Engineering field from an ABET accredited college or university, OR Bachelor’s Degree in Engineering Technology in a relevant field with Professional Engineer (P.E.) license; and a minimum eight (8) years of multifaceted engineering experience in the natural gas or petrochemical industry

Other Requirements:

• Demonstrates excellent organizational/interpersonal skills and safety as a main priority
• Proficiency in Microsoft Office Application and PC skills
• Proficiency in engineering specialties covering more than one subject area
• Preferred: Project Management experience

Why Pittsburgh?

It’s where legacy meets innovation. You’ll find cutting-edge work happening alongside a rich history of industry and resilience. Add a lower cost of living, tight-knit communities and you’ve got a city built for people who want to make an impact. Check out VisitPittsburgh.com to learn more.

We invest in our people in ways that actually show up in your day‑to‑day, not just on paper. Our Total Rewards are built to support how you work, live, and plan for what’s next.

Here’s a look at what that means:

• Strong pay plus an annual incentive program
• Medical, dental, and vision coverage with options that fit your life, not the other way around
• 401(k) with company match and an annual company contribution
• Paid time off, including company and floating holidays
• Paid parental leave (up to six weeks per parent), plus fertility and adoption support
• Advanced AI tools and resources to help level up and work smarter
• Clear paths to grow your career, with a strong culture of promoting from within
• Tuition reimbursement and support for continuing education
• HSA and FSA options
• Company‑paid life insurance and disability coverage
• Employee stock purchase plan
• Domestic partner benefits
• Employee resource groups, wellness support, paid volunteer time, and company matching for causes you care about

Eligibility and benefits are governed by the terms of the applicable plan or program document which can be amended or terminated at any time.

For more information, please visit Total Rewards | Williams Companies.

Williams is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity and expression, national origin, age, marital status, disability, veteran status, genetic information or any other basis protected under applicable discrimination law.

Education Requirements:

Skill Requirements: