Location:Santa Clara, California, United StatesJob ID: R0125439Date Posted:2026-04-21Company Name:HITACHI ENERGY USA INCProfession (Job Category):Engineering &amp; ScienceJob Schedule: Full timeRemote:NoJob Description:At Hitachi Energy, we are driving the transformation of the global power system to enable a sustainable energy future. This is your chance to join a team that is solving some of the most complex challenges in the energy industry—optimizing electricity markets, integrating renewables, and ensuring grid reliability in real time.As a Senior Optimization Engineer, you will work at the intersection of advanced mathematics, software engineering, and power systems. You’ll design and implement optimization models that help utilities and market operators make smarter, faster decisions. Your work will directly impact how energy flows across regions, how markets operate efficiently, and how we accelerate the transition to clean energy.If you thrive on solving technical puzzles, collaborating with global experts, and creating solutions that matter, this role offers more than a career—it offers a purpose. Join us and help shape the future of energy.How You’ll Make an Impact<ul><li>Analyze customer requirements and propose technically sound solutions.</li><li>Design, develop, and test optimization applications for power systems and markets.</li><li>Integrate and document software solutions following best practices.</li><li>Support software releases and troubleshoot complex technical issues.</li><li>Research and apply advanced mathematical modeling and numerical methods.</li><li>Collaborate with internal teams and represent Hitachi Energy in customer meetings.</li><li>Contribute to improving software development processes and documentation.</li><li>Travel occasionally to support global customer projects.</li><li>Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines.</li></ul>Your Background<ul><li>Bachelor’s degree in Electrical Engineering with emphasis in electricity markets.</li><li>Minimum 5 years of experience in optimization modeling tools and solvers (AMPL/AIMMS, CPLEX, Gurobi).</li><li>Minimum 3 years of experience with high-level programming languages.</li><li>Minimum 3 years of experience using Linux or AIX operating systems.</li><li>Minimum 2 years developing power system application software for electricity markets.</li><li>Strong written and oral communication skills in English.</li><li>Candidate must already have work authorization that would permit them to work for Hitachi Energy in the United States.</li></ul>More About UsWe pride ourselves on offering a holistic range of competitive benefits to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us, in work and out.For this role, depending on grade and experience, we offer the following employee benefits (subject to the respective plan rules): • Health Care (medical, dental, vision, etc.) • Financial Wellbeing: (Employer sponsored pension - 401(k) Program with generous company match and contribution, Life/AD&amp;D Insurance, disability insurance) • Family Care: Life and Family (Legal, pet, auto, home, identity theft, etc.), special needs support, and adoption assistance • Work-Life: Enhanced leave programs (FMLA, Military Service Leave, Maternal, Paternal, adoption, vacation, and holiday). • Employee Engagement and Development: Employee Resource Groups (depending on location), tuition reimbursement program, on-demandlearning platforms.Equal Employment Opportunity (EEO)-Females/Minorities/Protected Veterans/Individuals with Disabilities <h2>Protected veterans and qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a <a href="https://www.hitachienergy.com/contact-us/general-inquiry?type=I+have+a+General+question">general inquiry form</a> on our website.  Please include your contact information and specific details about your required accommodation to support you during the job application process.</h2><h2></h2><h2>This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.</h2>

Hitachi Energy is a global technology leader that is advancing a sustainable energy future for all. We serve customers in the utility, industry and infrastructure sectors with innovative solutions and services across the value chain. Together with customers and partners, we pioneer technologies and enable the digital transformation required to accelerate the energy transition towards a carbon-neutral future. We are advancing the world&rsquo;s energy system to become more sustainable, flexible and secure whilst balancing social, environmental and economic value. Hitachi Energy has a proven track record and unparalleled installed base in more than 140 countries.

Senior Optimization Engineer

Location:Santa Clara, California, United StatesJob ID: R0125439Date Posted:2026-04-21Company Name:HITACHI ENERGY USA INCProfession (Job Category):Engineering &amp; ScienceJob Schedule: Full timeRemote:NoJob Description:At Hitachi Energy, we are driving the transformation of the global power system to enable a sustainable energy future. This is your chance to join a team that is solving some of the most complex challenges in the energy industry—optimizing electricity markets, integrating renewables, and ensuring grid reliability in real time.As a Senior Optimization Engineer, you will work at the intersection of advanced mathematics, software engineering, and power systems. You’ll design and implement optimization models that help utilities and market operators make smarter, faster decisions. Your work will directly impact how energy flows across regions, how markets operate efficiently, and how we accelerate the transition to clean energy.If you thrive on solving technical puzzles, collaborating with global experts, and creating solutions that matter, this role offers more than a career—it offers a purpose. Join us and help shape the future of energy.How You’ll Make an Impact<ul><li>Analyze customer requirements and propose technically sound solutions.</li><li>Design, develop, and test optimization applications for power systems and markets.</li><li>Integrate and document software solutions following best practices.</li><li>Support software releases and troubleshoot complex technical issues.</li><li>Research and apply advanced mathematical modeling and numerical methods.</li><li>Collaborate with internal teams and represent Hitachi Energy in customer meetings.</li><li>Contribute to improving software development processes and documentation.</li><li>Travel occasionally to support global customer projects.</li><li>Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines.</li></ul>Your Background<ul><li>Bachelor’s degree in Electrical Engineering with emphasis in electricity markets.</li><li>Minimum 5 years of experience in optimization modeling tools and solvers (AMPL/AIMMS, CPLEX, Gurobi).</li><li>Minimum 3 years of experience with high-level programming languages.</li><li>Minimum 3 years of experience using Linux or AIX operating systems.</li><li>Minimum 2 years developing power system application software for electricity markets.</li><li>Strong written and oral communication skills in English.</li><li>Candidate must already have work authorization that would permit them to work for Hitachi Energy in the United States.</li></ul>More About UsWe pride ourselves on offering a holistic range of competitive benefits to support your financial, physical and mental wellbeing and personal development. We want you to truly thrive with us, in work and out.For this role, depending on grade and experience, we offer the following employee benefits (subject to the respective plan rules): • Health Care (medical, dental, vision, etc.) • Financial Wellbeing: (Employer sponsored pension - 401(k) Program with generous company match and contribution, Life/AD&amp;D Insurance, disability insurance) • Family Care: Life and Family (Legal, pet, auto, home, identity theft, etc.), special needs support, and adoption assistance • Work-Life: Enhanced leave programs (FMLA, Military Service Leave, Maternal, Paternal, adoption, vacation, and holiday). • Employee Engagement and Development: Employee Resource Groups (depending on location), tuition reimbursement program, on-demandlearning platforms.Equal Employment Opportunity (EEO)-Females/Minorities/Protected Veterans/Individuals with Disabilities <h2>Protected veterans and qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a <a href="https://www.hitachienergy.com/contact-us/general-inquiry?type=I+have+a+General+question">general inquiry form</a> on our website.  Please include your contact information and specific details about your required accommodation to support you during the job application process.</h2><h2></h2><h2>This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.</h2>

Senior Optimization Engineer

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HITACHI ENERGY

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