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Engineer Jobs (On-site work)

18162 Job Offers

Process Design Engineer
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Join a key programme at Sellafield as a Process Design Engineer. You will apply your operational plant knowledge and experience in pond abatement to a multi-disciplinary design team. This role requires HNC/HND in Mechanical Engineering, proficiency with CIMAGE, and active security clearance. Use ...
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United Kingdom , Whitehaven
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Not provided
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Rullion
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Senior Process Design Engineer
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Join a key Sellafield programme as a Senior Process Design Engineer. You will apply your expertise in pond abatement and silt removal to deliver safe, compliant designs. This role requires strong plant knowledge, CIMAGE experience, and active security clearance. Collaborate with multi-disciplinar...
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United Kingdom , Whitehaven
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Not provided
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Rullion
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AEGIS Missile Software Engineer
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Join Banner Defense as an AEGIS Missile Software Engineer in Dahlgren. This role requires a US Citizen with an Active Secret Clearance, a STEM degree, and 7+ years in DOD/missile defense software. You will provide critical SM-3 Block IIA Missile Communications and integration support. We offer co...
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United States , Dahlgren
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106000.00 - 111000.00 USD / Year
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Banner Defense
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Senior Electrical Engineer
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Lead electrical design for large-scale Solar PV and BESS projects in Italy. Utilize your expertise in MV/HV grid connections, AutoCAD, and PV software. Mentor junior engineers and support permitting in this Rome-based senior role. Occasional travel required.
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Italy , Rome
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80000.00 EUR / Year
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Piper Maddox
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Product Security Engineer
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Lead the vulnerability response program for Replit's AI platform as a Product Security Engineer. You will own the full lifecycle of security issues, from triage in HackerOne to remediation and disclosure. This role requires deep technical expertise in web/cloud vulnerabilities and bug bounty prog...
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United States , Foster City
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180000.00 - 325000.00 USD / Year
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Replit
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Senior Software Engineer
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Join Microsoft's Planner team in Hyderabad as a Senior Software Engineer. Develop cutting-edge, AI-powered cloud solutions at scale using languages like C# or Python. Collaborate in an agile environment to build the future of productivity for millions. Bring your 4+ years of back-end experience a...
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India , Hyderabad
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Not provided
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Microsoft Corporation
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Applied AI Engineer
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Join Sapien in NYC as an Applied AI Engineer. You'll design and build novel AI agent architectures for autonomous finance, working on reasoning, observability, and library learning. This end-to-end role involves implementing cutting-edge research and deploying production systems that learn from r...
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United States , NYC
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Not provided
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Sapien
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GTM Engineer
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Seeking a full-stack GTM Engineer in NYC to drive customer success. You'll build internal sales tools with React, TypeScript, Python, and SQL, while directly managing technical customer deployments. This hybrid role blends hands-on engineering with customer-facing work to ensure prospect conversi...
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United States , NYC
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Not provided
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Sapien
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Thermal Engineer
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Join Mach as a Thermal Engineer in Huntington Beach. Design and optimize thermal management systems for aerospace vehicles using tools like STAR-CCM+. Collaborate with cross-functional teams in a fast-paced environment. We offer equity, comprehensive healthcare, and career growth support.
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United States , Huntington Beach
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125000.00 - 200000.00 USD / Year
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Mach Industries
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RF Engineer
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Join our team in Huntington Beach as an RF Engineer to develop next-generation defense technologies like UAVs and missiles. You will design advanced RF front ends and transceivers, utilizing tools like AWR MWO and Altium Designer. This role offers equity, comprehensive benefits, and the chance to...
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United States , Huntington Beach
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150000.00 - 200000.00 USD / Year
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Mach Industries
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Design Engineer
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Join Rogo to redefine financial workflows with AI as a Design Engineer. You'll own the design system, craft delightful interactions, and set the quality bar in our NYC office. We seek a frontend expert proficient in React/NextJS with a strong design eye and Figma skills. Bring your portfolio and ...
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United States , New York City
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Not provided
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Rogo
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Propulsion Manufacturing Engineer
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Join Mach Propulsion as a Manufacturing Engineer in San Luis Obispo. Develop automated processes for small turbojet engines in a rapid development environment. This role requires a BS in Engineering, 5+ years' experience, and NX proficiency. We offer equity, comprehensive benefits, and the chance...
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United States , San Luis Obispo
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100000.00 - 150000.00 USD / Year
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Mach Industries
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Customer Engineer
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Join Tavus as a Customer Engineer in San Francisco. Bridge customer support and product development by debugging integrations and building SDKs. Translate real user feedback into platform enhancements with a founder's mindset. Enjoy flexible schedules, unlimited PTO, and competitive benefits.
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United States , San Francisco
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Not provided
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Tavus
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Flight Test Engineer
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Join Mach as a Flight Test Engineer in Huntington Beach. You will lead UAS flight test operations, develop test campaigns, and ensure safety on private and DoD ranges. This role requires 5+ years of aerospace experience, travel, and a passion for building flight test capabilities. We offer equity...
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United States , Huntington Beach
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100000.00 - 150000.00 USD / Year
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Mach Industries
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Principal Controls Engineer
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Lead flight control architecture for fixed-wing aircraft at our Huntington Beach location. Design and validate robust control laws using modern C++ and MATLAB/Python. Requires 8+ years in fixed-wing/UAV flight control systems and verification workflows. Enjoy equity, comprehensive benefits, and c...
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United States , Huntington Beach
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220000.00 - 250000.00 USD / Year
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Mach Industries
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Staff Security Engineer, Product
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Join Rogo as a Staff Security Engineer and secure the core of Wall Street's pioneering AI analyst platform. You will design secure-by-default backend systems, tooling, and guardrails in a strongly-typed language. Lead application security, penetration testing, and automate defenses within the SDL...
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United States , New York City
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Not provided
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Rogo
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Staff Commercial Planning & Optimization Engineer
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Seeking a Staff Commercial Planning & Optimization Engineer for the DGD facility in Norco, USA. This on-site role requires an Engineering degree and 8+ years of refinery industry experience to coordinate feedstock, logistics, trading, and margin optimization. You will develop operating plans, con...
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United States , Norco
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Not provided
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Valero
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Lead Software Engineer
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Lead Software Engineer role in NYC for a hands-on technical leader. Drive complex projects, set direction, and mentor engineers in a high-growth startup. Requires 8+ years with modern stacks (Java/Go, Spring, React, AWS) and full-stack mastery. Enjoy competitive pay, equity, premium healthcare, a...
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United States , New York City
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210000.00 - 260000.00 USD / Year
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Adaptive Security
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Senior Software Engineer
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Join a high-growth NYC startup as a Senior Software Engineer. Own end-to-end features using modern tech like Java, TypeScript, and AWS. Enjoy equity, premium benefits, and shape a product impacting millions.
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United States , New York City
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170000.00 - 225000.00 USD / Year
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Adaptive Security
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Fullstack Software Engineer
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Join Angle as a Fullstack Software Engineer in New York. Build customer-facing and internal products using Python (Django), React, and TypeScript. Own full product lifecycles, enjoy top benefits like equity and full health coverage, and drive rapid career growth in a collaborative environment.
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United States , New York
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100000.00 - 240000.00 USD / Year
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Angle Health
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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.