Title: R&D Engineer II Location: Devens, MA Type: Full-time Workplace: hybrid Category: R&D Test Job Description: About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers and suppliers to build the energy industry of the future. We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team. If that’s you and this role fits, we want to hear from you. Join the power movement as an R&D Engineer II The NINT Magnet R&D team is responsible for testing and retiring risks for CFS's NINT (non-insulated-non-twisted) HTS magnets. This includes executing development test campaigns for CFS's next-generation NINT magnet technology, and leading RCCA efforts through analysis and testing to resolve issues that may arise with the SPARC NINT magnets currently in production, tokamak integration, and commissioning. HTS magnet technology is inherently multidisciplinary, and a successful R&D engineer will seamlessly flex between disciplines and groups to effectively execute tests and projects on aggressive schedules supporting CFS's mission. The R&D engineer must have a fundamental understanding of mechanical, electrical, materials, fluids, and systems engineering, or some combination thereof. It is also the role of the R&D engineer to constantly push and challenge the requirements, risks, and test objectives that they are given to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved. What you'll do: - Develop new HTS magnet designs and their associated subsystems, which includes the designing and building R&D test samples, and developing their manufacturing processes and test operations. - Design, build, and commission test equipment required to accomplish R&D test campaign objectives. - Perform structural, electrical, and/or thermal analyses in support of R&D sample design and to predict test results. - Build expertise in testing HTS magnets as well as how to design and build R&D HTS magnets and their associated subsystems, including power delivery, cryogenic cooling, and structures. - Support the production, integration, and commissioning of SPARC NINT coils as issues requiring HTS magnet build and test expertise arise. - Understand, challenge, and maintain well documented requirements and risks for the system or component under test, and align stakeholders on why the planned test is required and what data is deemed essential for the desired outcome to be achieved. - Collaborate with I&C engineers to develop necessary instrumentation and data acquisition systems. - Maintain documentation, schedules, and budgets for test campaigns. Documentation includes: design reviews, wiring lists, P&IDs, schematics, CAD assemblies, drawings, BOMs, data acquisition systems, and operations software. - Develop custom tools to analyze generated data. Compile test results in presentations for review. - Prepare and deliver presentations containing trade studies, design reviews, test readiness reviews, and test data reviews to teams of engineers and physicists. What we’re looking for: - Bachelor’s degree in engineering or science field is required; mechanical engineering, electrical engineering or similar, or applied physics degree preferred. - 3+ years’ experience as an R&D engineer or test engineer designing, building, commissioning complex electromechanical systems - Experience with selecting and utilizing instrumentation and control components such as thermocouples, voltage and current sensors, oscilloscopes, pressure transducers, strain gauges, heaters, flow meters, fittings and valves. - Experience with developing and executing test procedures - Proficiency with CAD design in Siemens NX or equivalent CAD software - Familiarity with electromagnetic fundamentals - voltage, current, resistance, Ohm’s law, AC/DC, right-hand rule, solenoids, etc. - Excellent troubleshooting / problem-solving skills with great attention to detail - Experience developing and effectively presenting comprehensive trade studies comparing the pros & cons of various technical approaches - Data reduction and analysis skills that can be used in generating anticipated results and processing generated data. - Effective at communicating technical topics to both technical and non-technical audiences. - High self-motivation and drive to execute quickly - Collaboration skills including active listening and facilitating production discourse on problems - Willingness to challenge the status quo in search of better, more efficient methods Bonus points for: - Experience with modeling/analysis software, especially ANSYS, COMSOL, and PLECS - Experience writing Python or MATLAB data tools for processing and analyzing data - Experience with high voltage and high current power equipment design and use – power supplies, water-cooled cables, insulation - Experience in debugging electronics hardware and test software - Experience with designing and commissioning new test facilities - Experience designing fluid systems – P&IDs, component selection, ASME design codes - Experience with cryogenic equipment design for use with liquid nitrogen and supercritical helium – vacuum jacketed equipment, cryocoolers, phase separators, cold traps - Experience with high vacuum equipment design and use – roughing pumps, turbopumps, ion gauges, residual gas analyzers - Experience developing or improving manufacturing processes and handing off processes to production teams - Must-have requirements: - Ability to occasionally lift up to 50 lbs - Perform activities such as typing, climbing, standing, stooping or sitting for extended periods of time - Willingness to occasionally travel or work required nights/weekends/on-call - Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics Salary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations. Benefits include: • Competitive compensation with equity • 13 Company-wide Holidays • Flexible vacation days • 10 sick days • Generous parental leave policy • Health, dental, and vision insurance • 401(k) with employer matching • Professional growth opportunities • Team-building activities #LI-Hybrid At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges. We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law. This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

• Joining our client operations team on customer calls. • Owning real software work end-to-end — two steps ahead. • Being the technical voice on new opportunities. • Translating between technical and non-technical worlds. • Production ownership.

Superhuman offers a dynamic hybrid model, and candidates in this role can be based remotely. You may be expected to travel to meet in person during your team’s scheduled collaboration weeks. Managers will determine in-person time according to business needs. About SuperhumanGrammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million applications and websites. The company’s products include Grammarly’s writing assistance, Coda’s collaborative workspaces, Mail’s inbox management, and Go, the proactive AI assistant that understands context and delivers help automatically. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide to eliminate busywork and focus on what matters. Learn more at superhuman.com and about our values here. The OpportunityAs an Alliances Partner Engineer, you will serve as the technical lead for strategic partnerships, blending solution engineering, technical evangelism, and hands-on development to accelerate partner success and drive platform adoption. This role goes beyond enablement — senior partner engineers shape the technical vision with partners, influence solution design at scale, and act as trusted advisors on how to maximize joint value creation. They lead technical scoping, deliver high-impact demos and proof-of-concepts, and collaborate closely with alliances, product, and engineering to ensure our platform is represented with both depth and clarity. In this role, you will: - Own the technical relationship with top-tier partners, from initial scoping to solution validation. - Lead technical workshops, executive-level presentations, and solution design sessions. - Build and guide the creation of proof-of-concepts, prototypes, and demos to accelerate partner adoption of the platform. - Act as a thought leader and evangelist for the platform in partner-facing settings. - Develop best practices for technical engagements. - Translate partner feedback into actionable insights for product and engineering. Qualifications - 7+ years of experience in software engineering, solution architecture, or technical pre-sales (partner-facing preferred). - Track record of leading technical strategy with ISVs, enterprise partners, or system integrators. - Strong communication and executive presence, with ability to influence - Has a demonstrated ability to work independently with minimal guidance, proactively manages tasks and priorities across multiple projects, analyzes and executes work efficiently, collaborates effectively with cross-functional teams, and thrives in fast-paced, results-driven environments. Compensation and BenefitsSuperhuman offers all team members competitive pay along with a benefits package encompassing the following and more: - Excellent health care (including a wide range of medical, dental, vision, mental health, and fertility benefits) - Disability and life insurance options - 401(k) and RRSP matching - Paid parental leave - 20 days of paid time off per year, 12 days of paid holidays per year, two floating holidays per year, and flexible sick time - Generous stipends (including those for caregiving, pet care, wellness, your home office, and more) - Annual professional development budget and opportunities Superhuman takes a market-based approach to compensation, which means base pay may vary depending on your location. Our US locations are categorized into two compensation zones based on proximity to our hub locations. Base pay may vary considerably depending on job-related knowledge, skills, and experience. The expected salary ranges for this position are outlined below by compensation zone and may be modified in the future. The expected “On Target Earnings” (OTE) for this role are outlined below and may be modified in the future. United States: Zone 1: $184,000 – $250,000 OTE/year (USD) Zone 2: $166,000 – $225,000 OTE/year (USD) Canada: Zone 1: $176,000 – $240,000 OTE/year (CAD) The commission portion for this role will be 20% of the On-Target Earning (OTE). For more information about our compensation zones and locations where we currently support employment, please refer to this page. If a location of interest is not listed, please speak with a recruiter for additional information. We encourage you to applyAt Superhuman, we value our differences, and we encourage all to apply—especially those whose identities are traditionally underrepresented in tech organizations. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, ancestry, national origin, citizenship, age, marital status, veteran status, disability status, political belief, or any other characteristic protected by law. Superhuman is an equal.

Requisition Number: 2358474 Optum Insight is improving the flow of health data and information to create a more connected system. We remove friction and drive alignment between care providers and payers, and ultimately consumers. Our deep expertise in the industry and innovative technology empower us to help organizations reduce costs while improving risk management, quality and revenue growth. Ready to help us deliver results that improve lives? Join us to start Caring. Connecting. Growing together. The Senior Rhapsody Interface Engineer / Server Administrator plays a critical role in maintaining, evolving, and scaling Optum's healthcare integration platform. This position combines hands-on Rhapsody platform administration with advanced interface engineering and technical leadership responsibilities. In this role, you will own the reliability, performance, and architecture of the Rhapsody environment while designing and supporting complex clinical integrations across Epic, Oracle Health, and third party systems. You will also serve as a technical mentor, helping grow and guide a high performing Integration Engineering team supporting mission critical healthcare workflows. You'll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week. Primary Responsibilities: Platform Ownership & Server Administration - Serve as a senior technical owner for the Rhapsody integration platform across multiple environments - Install, configure, maintain, and upgrade Rhapsody, including backups, disaster recovery, and environment hardening - Administer Red Hat Linux and Windows servers, including access controls, security patching, performance tuning, and system upgrades - Monitor system health, availability, and performance; troubleshoot and resolve complex production issues - Design and maintain high availability architectures, including virtual machines, clustering, and load balancing configurations - Develop and maintain platform architecture diagrams, system design documentation, and operational standards Interface Engineering & Technical Leadership - Design, develop, and support clinical and business interfaces integrating Epic and/or Oracle Health with third party systems and external EMRs - Lead conversion and migration efforts from legacy systems to modern integration platforms - Serve as a technical subject matter expert for healthcare integration standards, including HL7, FHIR, and DICOM - Provide design oversight, code review, and technical guidance to interface engineers - Mentor and develop team members, fostering best practices, consistency, and continuous improvement across the integration team - Ensure all integration solutions meet organizational, security, and regulatory requirements You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in. Required Qualifications: - Epic Bridges certification (current or prior) - 7+ years of experience in healthcare interface engineering or integration development - 5+ years of hands on experience with the Rhapsody Interface Engine in a production environment - 3+ years of integration experience with a major EMR/EHR platform such as Epic or Oracle Health - 3+ years of experience administering server operating systems, including Red Hat Linux and Windows, with responsibility for access management, system upgrades, and performance tuning - 3+ years of experience with healthcare integration standards (HL7, FHIR, DICOM) - 3+ years of experience supporting high availability, 24x7 healthcare systems - 1+ years of demonstrated experience mentoring or providing technical leadership to engineering teams Preferred Qualifications: - Rhapsody Professional Certification - Relevant technical certifications (e.g., Azure Administrator, CompTIA Security+) - Experience hosting or administering interface engines in cloud or hybrid environments (AWS, Azure, or Google Cloud) - Experience leading or supporting platform upgrades, migrations, or large scale integration initiatives - Knowledge of database technologies, including SQL and/or NoSQL databases - Familiarity with additional integration engines or middleware platforms beyond Rhapsody - Proven solid written and verbal communication skills, with the ability to document technical solutions and collaborate with clinical and IT stakeholders *All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $91,700 to $163,700 annually based on full-time employment. We comply with all minimum wage laws as applicable. Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants. At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission. UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.