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Two Phase Flow Complex Systems Jobs (NOW HIRING)

Fortrea

Clinical Research Associate II, Phase I

Dallas, TX · Remote

$105 - $118K/hr

... systems as assigned by management * Assist with training of new employees, eg. co-monitoring ... Phase I experience * 40-50% overnight travel The important thing for us is you are comfortable ...

Fortrea

Clinical Research Associate II, Phase I

Dallas, TX · Remote

$105 - $118K/hr

... systems as assigned by management * Assist with training of new employees, eg. co-monitoring ... Phase I experience * 40-50% overnight travel The important thing for us is you are comfortable ...

Fortrea

Clinical Research Associate II, Phase I

Dallas, TX · Remote

$105 - $118K/hr

... systems as assigned by management * Assist with training of new employees, eg. co-monitoring ... Phase I experience * 40-50% overnight travel The important thing for us is you are comfortable ...

Fortrea

$105 - $118K/hr

... systems as assigned by management * Assist with training of new employees, eg. co-monitoring ... Phase I experience * 40-50% overnight travel The important thing for us is you are comfortable ...

SNAP Diagnostics

Analytical Engineer II

Anderson, SC

Simulation of multi-phase flow fields * System modeling in Matlab, Simscape, Simulink, Python, or other computational language * Laboratory testing and data acquisition including but not limited to ...

Lockheed Martin

Sr Propulsion Analysis Engineer

Littleton, CO · On-site

$105K - $144K/yr

... systems for liquid propellant slosh, or two phase flow. - Ability to troubleshoot and respond to ... complex challenges. Our people are some of the greatest minds in the industry and truly make ...

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How much do two phase flow complex systems jobs pay per year?

As of Jun 6, 2026, the average yearly pay for two phase flow complex systems in the United States is $108,476.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,500.00 and $125,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by engineers working on two-phase flow complex systems, and how can they be addressed?

Engineers working with two-phase flow complex systems often encounter challenges such as accurately modeling phase interactions, managing pressure drops, and predicting flow regimes under varying operational conditions. These issues can be addressed through advanced computational fluid dynamics (CFD) simulations, meticulous experimental validation, and close collaboration with multidisciplinary teams, including material scientists and control engineers. Staying updated with the latest research and leveraging specialized software tools also play a key role in effectively tackling these complexities.

What are the key skills and qualifications needed to thrive as a Two Phase Flow Complex Systems Engineer, and why are they important?

To thrive as a Two Phase Flow Complex Systems Engineer, you need a strong background in fluid dynamics, thermodynamics, and applied mathematics, typically supported by an engineering degree (mechanical, chemical, or aerospace). Familiarity with computational fluid dynamics (CFD) software, simulation tools, and relevant programming languages (such as MATLAB or Python) is essential, as well as experience with experimental testing methods. Analytical thinking, problem-solving, and effective communication are crucial soft skills for interpreting data and collaborating with multidisciplinary teams. These competencies enable engineers to design, analyze, and optimize complex systems where two-phase flows are critical, ensuring efficient and safe operation.

What are Two Phase Flow Complex Systems?

Two Phase Flow Complex Systems refer to systems where two different phases, typically a liquid and a gas, interact and flow together in a complex manner. These systems are common in engineering applications like chemical reactors, heat exchangers, and pipelines. Understanding two phase flow is crucial because it affects the efficiency, safety, and design of many industrial processes. The behavior of these systems can be unpredictable due to interactions between the phases, requiring specialized analysis and modeling.

What is the difference between Two Phase Flow Complex Systems vs Two Phase Flow Engineers?

AspectTwo Phase Flow Complex SystemsTwo Phase Flow Engineers
CredentialsEngineering degrees, specialized training in fluid dynamicsEngineering degrees, expertise in fluid mechanics and thermodynamics
Work EnvironmentResearch labs, industrial plants, simulation environmentsField sites, laboratories, design offices
Industry UsageDesign and analysis of complex fluid systems, research projectsSystem design, testing, troubleshooting of two-phase flow applications

Two Phase Flow Complex Systems refer to the intricate systems involving multiple phases of fluids, often requiring advanced modeling and simulation. Two Phase Flow Engineers are professionals who design, analyze, and troubleshoot these systems. While both roles require similar credentials and work in related environments, the systems focus on the overall complexity, whereas engineers focus on practical application and system optimization.

Thermal-Hydraulics Test Engineer III

Thermal-Hydraulics Test Engineer III

Holtec International

Camden, NJ • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago

Holtec International rating

8.0

Company rating: 8.0 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

139th of 417 rated machine equipment manufacturers

Job description

Holtec International is seeking a Thermal-Hydraulics Test Engineer III to support the validation of thermal-hydraulic performance for safety-related and non-safety-related systems as part of the SMR-300 design certification and commercialization effort. This role is integral to ensuring that thermal-hydraulic test programs are technically rigorous, properly documented, aligned with design and licensing objectives, and executed in accordance with applicable quality and safety requirements.
The Thermal-Hydraulics Test Engineer III will serve as a recognized technical contributor within the testing organization and will be responsible for leading major portions of complex test programs, functional areas across multiple programs, or simpler test programs in their entirety. This position requires strong technical judgment, the ability to work independently on complex assignments, and the ability to integrate inputs from design engineering, analysis, licensing, quality assurance, vendors, and test sponsors.
The successful candidate will develop test requirements, plans, procedures, specifications, data analysis methods, and technical reports that support design validation, model development, regulatory engagement, and commercialization of Holtec's SMR technology. The role also includes mentoring junior engineers, improving test methods and tools, and helping establish robust practices for thermal-hydraulic test planning, execution, documentation, and data quality.
Location: Camden, NJ with occassional travel to Idaho Falls up to 25%.
Requirements:
  • B.S. in Mechanical Engineering, Nuclear Engineering, Chemical Engineering, or closely related discipline.
  • 6 to 10 years of relevant engineering experience, preferably in laboratory testing, thermal-hydraulics, nuclear systems, fluid systems, heat transfer, or test engineering environments.
  • Demonstrated experience planning, executing, and documenting engineering test programs.
  • Experience interpreting engineering drawings, P&IDs, system descriptions, design specifications, and analysis requirements.
  • Experience translating design, analysis, or licensing needs into test requirements, test plans, procedures, specifications, and acceptance criteria.
  • Experience with thermal-hydraulic instrumentation, data acquisition systems, calibration practices, and data quality controls.
  • Experience performing data reduction, analysis, uncertainty evaluation, visualization, and interpretation of engineering test data.
  • Experience working in a QA-controlled, safety-related, or highly regulated engineering environment.
  • Ability to independently resolve complex technical issues and provide timely, well-supported engineering recommendations.
  • Experience with instrumentation selection for pressure, temperature, flow, level, differential pressure, heat flux, void fraction, or two-phase flow measurements.
  • Experience applying relevant industry codes and standards to engineering design, test facility setup, instrumentation, equipment selection, or test execution.
  • Ability to support on-site testing, extended test campaigns, commissioning activities, troubleshooting, and occasional travel.
  • Strong technical writing, interpersonal, and communication skills.
  • Ability to present technical results, test status, and engineering conclusions to internal stakeholders, external partners, clients, or regulators.

Preferred Qualifications:
  • M.S. or Ph.D. in Mechanical Engineering, Nuclear Engineering, Chemical Engineering, or closely related discipline.
  • Experience with nuclear thermal-hydraulic testing, separate-effects testing, integral-effects testing, component testing, or system-level validation testing.
  • Experience with test loop or facility design, setup, commissioning, operation, troubleshooting, and maintenance.
  • Familiarity with scaling analysis, similarity criteria, thermal-hydraulic phenomena identification, and test matrix development.
  • Proficiency with Python, MATLAB, LabVIEW, or similar tools for data acquisition, reduction, automation, analysis, and visualization.
  • Experience applying standards such as ASME B31.1/B31.3, ASME BPVC, ASME PTC, IEEE, ISA, or related industry standards in a test, laboratory, nuclear, or regulated engineering environment.
  • Familiarity with NQA-1 quality assurance requirements and U.S. NRC licensing processes.
  • Experience preparing design verification documentation, validation reports, test readiness reviews, and licensing-supporting technical documentation.
  • Experience interfacing directly with internal or external test sponsors, vendors, laboratories, or regulatory stakeholders.
  • Experience leading small engineering teams within larger test programs.
  • Experience mentoring junior engineers or developing technical training materials.

A Generation Ahead by Design™
Investing in people who power the future.
We believe great work deserves great rewards. Our benefits go beyond the basics, reflecting our commitment to supporting your whole self...your health, your future, and your career growth. This includes:
Compensation:
  • Annual compensation based on skills and experience ranging from $120,000.00-$140,000.00

Benefits:
  • Industry-leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!
  • FLEX Program - Hybrid work opportunities available for eligible roles, where business needs and role requirements allow
  • 401(k) retirement plan with up to a 5% company match and immediate vesting to support long-term financial security
  • Paid time off and 11 paid holidays to support rest, balance, and recharge
  • Wellness program offering rewards for participation in company-supported health initiatives
  • Commuter benefits supporting mass transit and commuter parking options
  • Company-paid life and AD&D insurance for added peace of mind
  • Education assistance to support continued education and professional growth
  • Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programs
  • Benefits eligibility and offerings may vary based on role, location, and employment status

If you're driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec-a generation ahead by design™.

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