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Engineer Jobs (On-site work)

17915 Job Offers

Intern - AI & Infrastructure Engineer - Spring 2027
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Join Commonwealth Fusion Systems as an AI & Infrastructure Engineer Intern in Devens. Support AI tooling, build internal apps with Python and LLM APIs, and grow your skills in a mission-driven fusion energy team.
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25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
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Staff OT/IT Support Engineer
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Join Commonwealth Fusion Systems as a Staff OT/IT Support Engineer in Milpitas. Bring 7+ years of hands-on IT infrastructure experience supporting Windows, macOS, and Linux in a mission-driven fusion energy team.
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166000.00 - 240000.00 USD / Year
Commonwealth Fusion Systems
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Systems Engineer - Senior- CLEARANCE and POLYGRAPH REQUIRED
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Senior Systems Engineer role in Columbia requiring active TS/SCI clearance with polygraph and US citizenship. Needs 15 years of DoD experience, expertise in Confluence and Jira, and systems engineering for complex architectures.
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100000.00 - 180000.00 USD / Year
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Constellation Technologies
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Staff Quality Engineer
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Lead quality assurance for satellite communication systems in Westminster. Requires 8-12 years in quality engineering, expertise in QMS, CAPA, and risk-based quality management. U.S. citizenship required.
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136000.00 - 167000.00 USD / Year
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CesiumAstro
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Staff Power Electronics Engineer
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CesiumAstro seeks a Staff Power Electronics Engineer in Austin to design DC-DC converters and power systems for satellites and UAVs. Requires 9+ years of analog/power electronics experience and a BS in Electrical Engineering.
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CesiumAstro
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Staff Power Electronics Engineer
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CesiumAstro seeks a Staff Power Electronics Engineer in El Segundo to design DC-DC converters and power systems for satellites and UAVs. Requires 9+ years of analog/power electronics experience and a BS in Electrical Engineering.
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165000.00 - 199000.00 USD / Year
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CesiumAstro
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Staff Power Electronics Engineer
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Lead power electronics design at CesiumAstro in Westminster. Requires 8+ years in analog/power electronics, DC-DC and AC-DC converter design up to 20 kW, and control theory expertise. US citizenship required.
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158000.00 - 189000.00 USD / Year
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CesiumAstro
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Staff Power Electronics Engineer
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Lead power electronics design at CesiumAstro in Westminster. Requires 8+ years in analog/power electronics, DC-DC and AC-DC converter expertise up to 20 kW. U.S. citizenship required.
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158000.00 - 189000.00 USD / Year
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CesiumAstro
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Senior Staff Power Electronics Engineer
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Lead power electronics design at CesiumAstro in Westminster, developing complex power conversion architectures for satellites and space platforms. Requires 12-15 years experience and U.S. citizenship.
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184000.00 - 225000.00 USD / Year
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CesiumAstro
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Senior Staff Mechanical Engineer
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Lead mechanical engineering for satellite and aerospace systems at CesiumAstro in El Segundo. Requires 12-15 years experience in structural analysis, CAD, and product design. U.S. citizenship required.
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165000.00 - 199000.00 USD / Year
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CesiumAstro
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Senior Staff Mechanical Engineer
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Senior Staff Mechanical Engineer role in Austin, TX, leading complex mechanical design, structural analysis, and testing for satellite and aerospace communication systems. Requires 12-15 years experience and U.S. citizenship or authorization.
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CesiumAstro
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Senior Power Electronics Engineer
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Senior Power Electronics Engineer in Westminster to design end-to-end power converters and power management circuits for space and airborne platforms. Requires BS in EE, 5+ years board-level power electronics experience, and proficiency with SPICE, MATLAB, and PCB layout tools like Altium.
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133000.00 - 161000.00 USD / Year
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CesiumAstro
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Senior Power Electronics Engineer
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CesiumAstro seeks a Senior Power Electronics Engineer in El Segundo to design DC-DC converters and power systems for satellites and UAVs. Requires 5+ years analog/power electronics experience and a BS in EE. US citizenship required.
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140000.00 - 168000.00 USD / Year
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CesiumAstro
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Senior Power Electronics Engineer
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Senior Power Electronics Engineer in Westminster to design power converters and management circuits end-to-end, from architecture to PCB layout and testing. Requires BS in Electrical Engineering, 5+ years board-level power electronics experience, and SPICE/MATLAB proficiency.
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133000.00 - 161000.00 USD / Year
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CesiumAstro
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Senior Mechanical Engineer
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Senior Mechanical Engineer role in Westminster for U.S. citizens or protected individuals. Requires 5-8 years experience with CAD, structural analysis, GD&T, and mechanical design. Join CesiumAstro's dynamic space technology team.
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113000.00 - 136000.00 USD / Year
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CesiumAstro
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Senior Test Engineer
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CesiumAstro seeks a Senior Test Engineer in Austin to lead qualification and acceptance testing for space and airborne communication systems. Requires 5-8 years of test engineering experience and strong hardware validation skills.
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CesiumAstro
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Senior FPGA Verification Engineer
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Lead FPGA verification for satellite communication systems in El Segundo. Requires 5+ years HDL experience, UVM Framework proficiency, and U.S. citizenship. Join CesiumAstro's dynamic space tech team.
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140000.00 - 168000.00 USD / Year
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CesiumAstro
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Senior Staff Project Engineer
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Lead aerospace projects at CesiumAstro in Melbourne as a Senior Staff Project Engineer. Requires 12+ years in engineering, strong project management skills, and aerospace systems expertise. U.S. citizenship required.
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CesiumAstro
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Senior Spacecraft Systems Engineer
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Senior Spacecraft Systems Engineer role in Westminster for U.S. citizens or protected individuals. Requires 5-8 years systems engineering experience and strong skills in system architecture, requirements management, and systems integration.
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133000.00 - 160000.00 USD / Year
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CesiumAstro
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Principal FPGA Engineer
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Lead FPGA architecture and RTL design for advanced satellite communication systems in Westminster. Requires 15+ years of FPGA experience, AMD Versal expertise, and strong DSP skills. U.S. citizenship required.
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218000.00 - 226000.00 USD / Year
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CesiumAstro
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About the Engineer role

Engineer jobs represent a cornerstone of the operational and technical workforce, focused on the application of scientific and mathematical principles to design, develop, maintain, and improve systems, structures, and processes. While the field is incredibly diverse, spanning disciplines from civil and software to mechanical and electrical engineering, the core mission remains consistent: to solve complex problems and ensure functionality, efficiency, and safety. Professionals in these roles are the backbone of infrastructure, technology, and innovation, turning theoretical concepts into practical, working solutions that power our modern world.

Individuals in these positions typically engage in a wide array of responsibilities. A primary function involves the installation, maintenance, and preventative care of tools, equipment, and complex systems. This includes routine inspections, calibrating controls and gauges, and performing diagnostic tests to ensure everything operates within specified parameters. Troubleshooting is a daily activity, requiring engineers to identify the root cause of malfunctions and execute repairs, whether it's a mechanical failure, an electrical issue, or a problem with plumbing and HVAC systems. For those in supervisory engineer jobs, responsibilities expand to include leading teams, which involves hiring, training, scheduling, and mentoring other engineering staff to ensure a high standard of work and team cohesion.

The skill set required for engineer jobs is both broad and technical. A strong foundation is typically built through vocational, technical, or trade school education, providing essential knowledge in relevant engineering principles. Practical, hands-on experience is highly valued, often requiring several years in a related field. Key technical skills include proficiency in reading blueprints and schematics, a solid understanding of mechanical, electrical, and plumbing (MEP) systems, and the safe operation of hand and power tools. Many roles also require specific certifications, such as universal CFC handling licenses, to comply with safety and environmental regulations.

Beyond technical prowess, successful candidates for engineer jobs possess strong problem-solving abilities, acute attention to detail, and a steadfast commitment to safety protocols. They must be able to communicate clearly with team members and other departments, document their work accurately, and manage inventory of parts and supplies. Physical stamina is often necessary, as the role can involve standing for extended periods, lifting heavy objects, and working in confined spaces. A methodical and proactive approach is essential, focusing not just on fixing current issues but on implementing preventative measures to avoid future problems. For those seeking stable, hands-on, and critically important careers, engineer jobs offer a rewarding path with opportunities for continuous learning and advancement into leadership positions.