Computer Science Internship - Summer 2026 (Hybrid/Remote)

Why Join Us?At California ISO, we are pioneering the future of energy networks, and as an intern, your contributions can make a difference for millions who rely on electricity daily.Gain invaluable real-world experience that will propel your career in the energy sector. This is a paid internship lasting 10-12 weeks during the summer of 2026.Engage in stimulating and challenging projects that will expand your skill set.Network with our CEO and the Executive team, gaining insights into leadership in the energy sector.Attend seminars on cutting-edge topics in the energy industry, including renewables, electric vehicles, and microgrids.Participate in social events with fellow interns.For local candidates, enjoy the vibrant atmosphere of our LEED-certified campus in Folsom, California, while collaborating with some of the brightest minds in the industry.Your ResponsibilitiesIntern assignments may include:Developing software tools to support the dependable operation of the Grid and energy markets, providing insights into smart grid technologies and renewable resources.Conducting data validation and user acceptance testing (UAT), scheduling, and monitoring processes integral to energy market settlement statements and invoices.Creating enterprise-wide systems integration mappings, collaborating with IT Architects, UML Modelers, and QA Leads.Contributing technical content and sample code for the ISO’s developer.caiso.com website.Documenting archiving solutions for emerging technologies and developing automation solutions.Maintaining Oracle Database/Storage task queues, creating automation scripts, and generating capacity reports.Executing projects aimed at streamlining processes, enhancing transparency, and boosting departmental capabilities across the organization.

Join Us for a Transformative Summer Experience!At California ISO, we are pioneering the future of energy networks, and your role as an intern can significantly impact the lives of millions who rely on electricity daily.Gain invaluable real-world experience that will propel your career in the energy sector. This paid internship spans 10 to 12 weeks during the summer of 2026.Engage with stimulating and challenging projects that will enhance your skill set.Interact directly with our CEO and the Executive team, gaining insights into leadership in the energy industry.Receive invitations to seminars covering the latest trends in the energy sector, including renewables, electric vehicles, and microgrids.Participate in social events with fellow interns to build your professional network.If you are local, enjoy the vibrant atmosphere at our LEED-certified campus in Folsom, California, and collaborate with some of the brightest minds in the industry.

What's in it for YouJoin us in pioneering the future of energy networks. As an intern, your contributions will significantly impact millions who rely on electricity daily.Gain invaluable hands-on experience to kickstart or advance your career in the energy sector. This is a paid internship lasting 10-12 weeks during the summer of 2026.Engage in compelling and challenging projects that will enhance your skill set.Interact with our CEO and the Executive team at CAISO.Attend seminars focused on cutting-edge topics in the energy industry such as renewable energy, electric vehicles, and microgrids.Enjoy social events with fellow interns.If you're local, work at our environmentally-friendly, LEED-certified campus in Folsom, California, surrounded by some of the brightest minds in the industry.Your ResponsibilitiesSample assignments may include:Supporting the management of CAISO stakeholder initiatives linked to market design, infrastructure planning, and generation interconnection.Conducting thorough economic and engineering analyses of current and future market design rules, while aiding in market design and development efforts to identify innovative measures to validate and enhance market performance.Creating and designing new statistical metrics to monitor shifts in the electricity market.Formulating and calculating indices for assessing market performance and participant behavior.Preparing and analyzing data queries, reports, charts, and presentations to assist with special studies, investigations, and Board meetings, along with Market Monitoring Assessment reports.Performing in-depth mathematical and engineering analyses of market software and advanced power systems applications to assess solution optimality.

Join California Independent System Operator as a Regional Transmission Engineer, where you will play a vital role in ensuring the reliability and efficiency of our transmission infrastructure. As a key member of our Transmission Planning & Infrastructure Development team, you will work collaboratively with stakeholders to enhance the power grid and support sustainable energy initiatives.

Join the California Independent System Operator (California ISO) as the Operations Data, Metrics, and Analysis Lead. In this pivotal role, you will be responsible for overseeing and enhancing the operational data strategy, ensuring that our metrics and analyses align with our core objectives. Your insights will drive decision-making processes and improve overall performance.We seek an innovative and analytical mind to lead our data initiatives. You will work closely with cross-functional teams, interpreting complex data sets and translating them into actionable strategies. Your leadership will be crucial in guiding data-driven decisions that support our mission to maintain a reliable and efficient electric grid.

Join the California Independent System Operator as a Senior Transmission Assets Engineer, where you will play a crucial role in managing and optimizing the performance of our transmission assets. This position offers the flexibility of a hybrid work environment or local remote options, allowing you to contribute effectively to our mission of ensuring a reliable and sustainable energy grid.As a key member of our Transmission Planning & Infrastructure Development department, you will work closely with cross-functional teams to develop innovative solutions that enhance the efficiency and reliability of our transmission systems. Your expertise will be vital in assessing asset performance, identifying improvement opportunities, and implementing best practices.

Join the Vanguard of Technology at Voyager TechnologiesAt Voyager Technologies, we are a pioneering force in defense, national security, and space technology, dedicated to developing and delivering transformative solutions that are mission-critical. Our work addresses complex challenges, unlocking new frontiers for human advancement, strengthening national security, and safeguarding vital assets to maintain our leadership in technology and operations from the ground to outer space.Shape Tomorrow with Us!The future is crafted by those who dare to envision it. At Voyager Technologies, we are innovating technologies that protect lives, expand horizons, and prepare us for the future. We seek individuals who are passionate about solving problems, building systems, adapting to challenges, and leading initiatives. These positions are not for the faint-hearted.Join us to lay the groundwork for humanity's future in an environment where innovation flourishes, curiosity is rewarded, and your contributions have a tangible impact. We're a community of doers, thinkers, and builders, united by a shared purpose and grounded in reality.If you are eager to apply your skills where the stakes are high and the mission transcends individual success, forge the future with Voyager.

At Voyager Technologies, we are at the forefront of innovation in defense, national security, and space technology. Our commitment to delivering transformative, mission-critical solutions drives us to tackle the most complex challenges. Our mission is to unlock new frontiers for human progress, bolster national security, and safeguard critical assets, propelling us towards technological and operational superiority from the ground to outer space.Shape Tomorrow: Join Voyager TechnologiesThe future belongs to those who dare to build it. At Voyager Technologies, we are crafting technologies that safeguard lives, broaden horizons, and prepare for what lies ahead. We are seeking individuals who thrive on solving problems, innovating, adapting, and leading. These positions are designed for those who embrace challenges.You will play a pivotal role in laying the groundwork for humanity's future. Become part of a culture where innovation flourishes, curiosity is celebrated, and your impact is tangible. We are a collective of doers, thinkers, and builders, united by purpose and grounded in reality.If you are ready to apply your skills in a setting where the stakes are high and the mission transcends individual contributions, forge the future with Voyager.

The Senior Software Quality Assurance Engineer role at California Independent System Operator centers on maintaining high standards for software reliability. This position is based in Folsom and follows a hybrid work model. Role overview This role focuses on testing and validating software products to support the organization’s work in power systems and market technology. The Senior Software Quality Assurance Engineer plays a key part in identifying issues, verifying fixes, and helping deliver dependable software solutions. What you will do Conduct comprehensive testing of software products before release Validate new features and updates to ensure they meet quality standards Help maintain the organization’s commitment to excellence in technology Requirements Experience in software quality assurance or a related field Strong understanding of testing and validation processes Ability to work effectively in a hybrid work environment in Folsom

In this role, you will work under the guidance of the Manager to assist in developing power system forecasts for the California ISO and EIM system loads. Your responsibilities will include renewable resource forecasting, addressing uncertainty requirements, and analyzing ancillary services. You will interpret Numerical Weather Prediction Models to align forecasted data with the daily operational needs of the ISO/EIM, ensuring accurate renewable and load forecasting. Additionally, you will contribute to enhancing data collection and neural network modeling aimed at continuous improvement of forecasting accuracy at the ISO. You will also be responsible for tracking and registering new variable energy resources to streamline their onboarding process and will coordinate projects related to forecast accuracy testing and analysis.Key Responsibilities:Utilize statistical methods to gather and organize load, weather, and renewable resource data, interpreting various meteorological data to create critical short- and medium-range forecasts for the Bulk Electric System. Validate and enhance the accuracy of forecasts related to daily load, wind, solar, and distributed resources.Monitor and analyze forecasting results, including performance metrics and efficiency, while identifying emerging trends in forecast data. Engage in root cause analysis for forecast design gaps and provide analytical support to internal and external stakeholders.Optimize data collection procedures for demand, energy, weather, and economic data by analyzing historical and forecasted electric demand and generation trends. Maintain and analyze comprehensive databases containing pertinent data.Collaborate with senior staff to develop hypotheses aimed at improving the accuracy of load, renewable, and uncertainty forecasts. Leverage software to retrain neural network models and analyze the outcomes of various forecasting methods.

In the role of Lead Power Systems Technology Engineer, you will operate under the general supervision of the Director, spearheading intricate engineering projects and assignments. Your expertise will be pivotal in conducting studies, integrating, enhancing, and supporting cutting-edge power systems applications essential for the efficient operation of the grid. You will serve as a subject matter expert in the design, engineering, and testing of market software, including Real-Time and Day-Ahead Market Applications, State Estimator (SE), Real-Time Contingency Analysis (RTCA), Dispatcher Load Flow, Voltage Stability Application (VSA), and Dynamic Stability Application (DSA) software. Your proactive approach will enable you to foresee, identify, and resolve engineering-related challenges, while also coordinating software modifications with internal departments and external vendors. Additionally, you will provide technical expertise and business rule support to various departments and external entities concerning reliability coordination and market operations. Your leadership will extend to various customer initiatives, including but not limited to the Energy Imbalance Market (EIM), Extended Day-Ahead Market (EDAM), and Reliability Coordination (RC).Key Responsibilities:Oversee functional testing of existing applications and newly added features in the Day-Ahead/Real-Time Market, Market Quality Solutions, and Transmission Network Applications.Provide operational support across day-ahead, hour-ahead, and real-time desks while offering training and guidance to on-call staff.Proactively identify and troubleshoot engineering-related issues, leveraging your knowledge of policy issues and related matters.Maintain current applications, analyze system errors from various perspectives, and collaborate with team members to identify root causes.Enhance, improve, and support Day-Ahead Market (DAM), Real-Time Market, and Market Quality Services (MQS) applications.Lead the design, testing, and documentation of user training and associated activities as needed.

As a Market Development Analyst at the California Independent System Operator (ISO), you will play a pivotal role in driving data-centric policy decisions and market design initiatives. Reporting to the Manager, you will harness advanced analytics to dissect extensive energy market datasets, unveiling trends and insights that inform critical business strategies. Your contributions will be vital in shaping market structures and ensuring that policy and software frameworks deliver desirable outcomes. You will employ optimization methodologies to evaluate market solutions and model formulations, while also utilizing data science techniques for both predictive and descriptive analysis across energy markets, reliability services, pricing, and performance evaluation.Key Responsibilities:Design and implement data science algorithms for predictive analytics, aiding in the successful formulation of market designs and policies. Conduct descriptive analytics of energy markets, covering day-ahead and real-time services, as well as operational performance metrics. Innovate and deploy business solutions including new market products and constraints.Assist in the computation of default energy bid (DEB) calculations and commitment costs, conducting complex analyses to ensure input accuracy and bid calculations, ultimately impacting market outcomes. Utilize engineering principles and production cost modeling to assess market participant requests and analyze resource operational characteristics.Monitor and report on market efficiency and effectiveness, detecting emerging trends such as price fluctuations and identifying root causes of design gaps. Develop long-term market metrics and create interactive dashboards to visualize insights and trends.Engage collaboratively in cross-functional teams, working alongside market participants, regulators, and stakeholders to foster a robust market environment.

Join the California Independent System Operator (ISO) as a Regional Transmission Engineer, where you will engage in intricate engineering projects and offer your expertise in power systems to support transmission system planning policies. Collaborate with a diverse team in planning studies and initiatives, contributing to the future of energy in California.Why Join Us?Be a part of our mission to shape tomorrow's energy landscape. Make a significant impact on millions of individuals who rely on electricity in their daily lives.Engage in stimulating and challenging work that will enhance your professional skills.Thrive in a highly collaborative environment at our LEED-certified campus in Folsom, California.Be part of a successful team where your contributions are valued and recognized.Your Responsibilities:Conduct and review technical analyses, supporting economic assessments of the transmission grid, including new generation interconnections and controlled grid analyses.Lead planning studies and develop annual transmission plans in partnership with transmission owners and key stakeholders.Oversee the implementation of Transmission Planning Process and Generation Interconnection Process Business Practice Manuals, ensuring compliance with all applicable NERC Standards.Proactively identify and resolve engineering-related challenges, contributing to path rating studies and contingency analyses.Provide technical support and guidance across various departments within the ISO.Compile and present essential data to ISO management and external entities regarding the controlled grid.Represent the ISO’s interests in relevant WECC committees and work groups.Assist in training and mentoring Associate Engineers.

In this pivotal role, you will operate under the guidance of the Assistant General Counsel, providing essential support to our legal team. Your responsibilities will include conducting legal research and writing, offering litigation support (such as database management and discovery), preparing regulatory filings, and responding to information requests, all while ensuring compliance with applicable regulations. Additionally, you will oversee processes, policies, and standards for departmental support staff, track progress towards business objectives, manage the budget for the business unit, and supervise non-attorney staff and contractors. You will play a key role in developing support staff, optimizing the use of legal resources to minimize external legal costs, and facilitating the internal continuing legal education program. KEY RESPONSIBILITIES:Lead and manage a team of paralegals, administrative staff, and contractors to ensure timely and accurate completion of daily tasks. You will be responsible for developing employee work assignments, providing direction and guidance, identifying training needs, coaching, and offering constructive feedback on performance. You will also make recommendations regarding hiring, promotions, and other personnel matters, while ensuring an equitable workflow. Additionally, you will help develop and maintain departmental policies and standards.Oversee departmental functions, including responses to records requests and subpoenas, management of corporate legal agreements (such as NDAs, copyright agreements, law firm engagement letters, and consulting agreements), and contracting for electronic legal research services, providing direct support for critical initiatives as necessary.Deliver paralegal services to attorneys and provide backup support for other legal staff as needed.Assist with significant corporate functions and committees requiring analytical work and complex legal services.Act as a subject matter expert on legal compliance issues.

Voyager Technologies Inc. creates advanced solutions for defense, national security, and space. The team addresses complex technical challenges that support mission-critical operations and help protect essential assets. Practical innovation is at the heart of the company’s work, with a focus on real-world impact and technical excellence. Role overview The Senior Systems Engineer - Intelligence, Surveillance, and Reconnaissance (ISR) plays a central role within Voyager’s ISR team. This hybrid position, reporting to the VP of Engineering, can be based in Folsom, CA or Beavercreek, OH. The engineer will design, develop, and integrate next-generation signals intelligence (SIGINT) systems, working across both software and hardware. Involvement spans from early concept through deployment, with a strong emphasis on system performance in defense and space settings. What you will do Lead technical requirements definition, system architecture, design, integration, and testing for ISR systems. Conduct technical trade studies for SIGINT systems. Develop risk management and mitigation strategies for complex projects. Support proposal development with attention to technical performance, cost, and schedule. Apply systems engineering discipline to requirements development, segmentation, flow-down, verification, and validation. Provide technical leadership and mentorship to systems and software engineering teams. Guide project teams in areas such as: Digital signal processing and software architecture implementations Systems (software and hardware) requirements and design Work culture Voyager encourages innovation and curiosity, bringing together problem-solvers committed to meaningful technical work. The company fosters a collaborative, hands-on environment where expertise and teamwork drive results.

Under the close guidance of the Senior Manager, you will cultivate the skills, knowledge, and expertise necessary to enhance the performance, integrity, security, and ongoing improvement of the Energy Management System (EMS), which includes PI Historian and Synchro-Phasor technology. You will also learn to develop display work that supports the modeling of Power System Market and Reliability Models vital for the operation of the California ISO-controlled power grid. KEY RESPONSIBILITIES:Assist in proactive enhancements, process improvements, and troubleshooting for Real-Time Power System Applications, including PI and Synchro-Phasor.Participate in the Full Network Model build and deployment processes, contributing to enhancements and troubleshooting.Work to maximize EMS uptime and address system failures. Provide support for technical issues stemming from data communications, equipment, or system failures. Offer 24/7 technical support to ISO Real-Time Operations and other departments regarding EMS, PI, and Synchro-Phasor systems. Manage PI Vision changes, synchronize updates across different environments, process requests for PI performance equations, and assist in maintaining the AF database and related applications.

Join the California Independent System Operator (ISO) as a Lead Operations Implementation Specialist where you will leverage your power grid expertise to enhance operational preparedness for System Operations. Under the guidance of the Manager, you will spearhead change initiatives and projects that directly affect System Operators. Your role will encompass requirements analysis, user interface design feedback, user acceptance testing, procedure development, and the creation and delivery of training programs. You will lead cross-functional teams to drive process improvements ensuring operational readiness while mentoring less experienced staff. KEY RESPONSIBILITIES:Act as a departmental representative and lead intricate change initiatives impacting Power Grid Operations, including PMO projects, transmission/generation changes, and process modifications. Utilize your expertise in System Operations to evaluate the impacts on processes, job tasks, procedures, and technology systems, ensuring compliance with reliability and tariff standards.Oversee the development and review of user requirements, user-interface designs, and acceptance testing to enhance operational procedures in compliance with regulatory mandates.Design and deliver training programs for Power Grid Operations personnel, ensuring adherence to reliability standards and the Systematic Approach to Training (SAT) methodology.Identify improvement opportunities within the Power Grid Operations department and lead initiatives for control room modernization and process enhancements. Champion operational readiness and collaborate with cross-functional teams to promote efficiency and continuous improvement.Manage daily work assignments and mentor staff to optimize team performance, while identifying staffing needs.

The California Independent System Operator (CAISO) seeks a Wholesale Electricity Market Analyst for a hybrid position in Folsom. This role blends remote work with regular in-person collaboration, providing flexibility while engaging with a knowledgeable team. Role focus This analyst position centers on supporting the efficiency and reliability of California's wholesale electricity market. The work involves both analysis and participation in the design of market mechanisms. Key responsibilities Analyze market operations and performance data Contribute to the design and evaluation of market mechanisms Collaborate with colleagues to identify and implement improvements Work environment This hybrid role offers a mix of remote work and on-site meetings at CAISO's Folsom office, encouraging both flexibility and teamwork.

In the role of Lead Policy Developer - Transmission Infrastructure, you will operate under the guidance of the Director, contributing significantly to the formulation of policies surrounding ISO transmission planning, infrastructure development, and resource interconnection. Your role will involve fostering essential relationships with policymakers and staff at both state and federal levels while facilitating consistent communication between the ISO and regulatory agencies. Your work will ensure that regulatory decisions align with the ISO’s reliability mandate as well as its operational and planning responsibilities. You will conduct thorough analyses of existing and proposed regulations, providing policy support for vital infrastructure initiatives with a focus on cost-of-service and financial analysis. You will monitor evolving cost drivers and the financial implications of infrastructure development industry-wide. Additionally, you will identify issues and propose solutions for complex regulatory and business challenges, acting as a liaison between ISO management and subject matter experts to ensure effective engagement on a variety of regulatory and infrastructure planning topics.KEY RESPONSIBILITIES:Lead and support cross-departmental teams while managing a comprehensive stakeholder engagement process for infrastructure policy initiatives. Deliver timely and high-quality outputs, including white papers, presentations, filings (CPUC and FERC), and Board memos. Collaborate with the director and subject matter experts to craft robust policy recommendations that effectively address issues or achieve specific objectives. Identify, assess, and resolve policy challenges while ensuring appropriate stakeholder engagement to mitigate concerns. Promote best practices in policy development and ensure that implementation details are thoroughly vetted and understood both internally and externally.Offer subject matter expertise in regulated cost-of-service and relevant economic topics. Support transmission planning and infrastructure development, including the ISO’s competitive procurement processes, with a focus on regulatory cost of service principles. Stay informed about industry cost structures and activities affecting transmission development, serving as an internal resource to support policy analysis, development, and special projects. Prepare written materials and deliver presentations to ISO management, highlighting issues and impacts to the ISO while providing strategic recommendations on the ISO’s position and courses of action. Investigate regulatory issues and devise and implement regulatory strategies.

Join our dynamic team as a Cloud Systems Engineer! This entry-level position offers an incredible opportunity to dive into the world of cloud computing, working with cutting-edge technologies. You will assist in the design, implementation, and maintenance of cloud-based systems while collaborating with experienced professionals in a fast-paced environment.