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35 senior development engineer jobs found

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United States Contractor senior development engineer
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AS
Sep 14, 2026
Contractor
Lead Mechanical Engineer
$156,000 yearly
AllSTEM Connections Greenville, SC
Senior Mechanical Engineer (Data Center & Industrial HVAC) We are seeking a Licensed Professional Engineer (PE) with a strong background in high-complexity HVAC systems to lead mechanical design for a premier engineering firm. This role focuses on "mission-critical" and advanced technology facilities, including Data Centers, Electric Vehicle (EV) manufacturing, and Heavy Industrial plants. As a Senior Engineer, you will lead building mechanical teams through the full design lifecycle-from conceptual calculations and P&IDs to final construction documents and facility startup. Key Responsibilities • Advanced HVAC Design: Lead the layout and design of specialized systems requiring precise temperature/humidity control, unique pressurization, and clean room standards. • Technical Documentation: Develop design criteria, perform sizing calculations, and create Process and Instrumentation Diagrams (P&IDs). • Full-Lifecycle Engineering: Produce final specifications, sequences...
AG
Sep 14, 2026
Contractor
Electrical Engineer
$150,000 - $200,000 yearly
Addison Group Oklahoma City, OK
Job Title: Electrical Engineer Location: Oklahoma City, Oklahoma Pay: $150,000 - $200,000 / Annually depending on experience Work Schedule: M-F, 8-5 onsite Benefits : The position is eligible for medical, dental, vision, and 401(k). Must be authorized to work in the United States. Position is not eligible for sponsorship. Job Summary We are seeking a Senior Electrical Engineer with experience supporting the design, construction, or operation of mission-critical facilities and data centers . This individual will play a key role in the development of complex electrical systems that support high-availability environments, ensuring reliability, efficiency, scalability, and compliance with industry standards. The ideal candidate has a strong background in power distribution, backup power systems, and electrical infrastructure for critical facilities. This position offers the opportunity to work on large-scale projects from concept through...
HE
Sep 14, 2026
Contractor
Mechanical Engineer
HKA Enterprises East Hartford, CT
Job Description On-Site / Lab • Full-Time Up to 25% Domestic Travel Mechanical Engineer Materials Testing • NX / SolidWorks • Aerospace / Mechanical • Project Engineering Up to 25% domestic travel. Physical requirements include shipping, moving, and lifting materials up to 20 lbs across office and lab environments. U.S. Citizenship required. We're looking for a motivated Mechanical Engineer to support testing programs on materials using test rigs, assist with rig development project management, and execute materials testing tasks. You'll document and report test data, support procurement of test articles, and contribute to presentations for senior management - all in a fast-paced lab and engineering environment. What you'll do Support materials testing programs using test rigs Manage and execute project tasks for PW rig development Document and report test data; perform data entry into database systems Support procurement and acquisition of test articles Handle...
Brooksource
Sep 10, 2026
Contractor
Sr. Protections and Controls Engineer
$70.00 - $80.00 hourly
Brooksource Jacksonville, FL
Senior Electrical Engineer - Substation Protection & Control Remote Role Contract to hire Conversion Compensation: 145000 - 185000 ABOUT THE ROLE Our client is seeking an experienced Senior Electrical Engineer to join their Substation Protection & Control (P&C) team. In this high-impact, fully remote role, you will oversee, review, and execute the design of protection and control systems for medium to high-voltage substations, supporting utility and transmission clients nationwide. As a technical leader, you will collaborate closely with multidisciplinary project teams to deliver safe, efficient, and reliable substation designs, mentor junior engineers, and ensure the highest quality standards are met. You will work on a variety of projects, including new greenfield substations, brownfield upgrades, and relay replacement programs, from conceptual design through construction support. This position may require occasional site visits and offers the...
Brooksource
Sep 08, 2026
Contractor
Associate Design Engineer
$28.00 - $36.00 hourly
Brooksource Milford Mill, MD
Associate Design Engineer Windsor Mill, MD (Hybrid - 3 days in office) Contract to Hire $28.00 - $36.00/hr (Depending on Experience - 40hr/week) We are seeking an Associate Design Engineer to support substation equipment replacement projects within a major utility's engineering organization. The Associate Designer will translate engineer-developed markups into accurate, production-ready CAD drawings and support the delivery of design packages across project milestones. Designers brought on through this program will begin executing smaller-scope projects, including transformer, arrester, and battery replacements and progress into larger, more complex design work over their first year. The Associate Designer will work closely with Senior Engineers and a tight-knit team of experienced designers, with direct mentorship built into the engagement from day one. Responsibilities Interpret and execute engineer-developed markups to produce and update system protection...
ES
Sep 08, 2026
Contractor
Senior Electrical Engineer - Temporary Power Generation & Energy Systems
EquipmentShare Columbia, MO
Build the Future with Us - EquipmentShare is Hiring a Senior Electrical Engineer - Temporary Power Generation & Energy Systems At EquipmentShare, we're not just filling a role - we're assembling the best team on the planet to build something that's never been built before . We're on a mission to transform an industry that's been stuck in the past by empowering contractors and communities through innovative technology, real-time support, and a team that truly cares. We're hiring a Senior Electrical Engineer - Temporary Power Generation & Energy Systems at our Corporate Headquarters in Columbia, MO , and we're looking for someone who's ready to grow with us, bring energy and drive to their work, and help us build the future of construction. The Senior Electrical Engineer will lead the design, development, and implementation of temporary power generation facilities and advanced energy systems. This role is responsible for delivering safe, reliable, and efficient...
CI
Sep 08, 2026
Contractor
Senior Electrical Engineer - Plutonium Facilities
$75.00 - $85.00 hourly
Coastal International Security, Inc Los Alamos, NM
Electrical Engineer 3 - Plutonium Facilities Rapid Response Team Location: Los Alamos, NM (100% Onsite - TA-35/TA-55) Compensation: $75-$85/hr DOE Schedule: 4/10s - Mon-Thu, Thu-Sun, or Fri-Mon Duration: 1 year | Extension up to 3 years | Conversion possible Citizenship: U.S. Citizenship Required Clearance: Ability to obtain DOE Q Clearance | A-Level Access Required Per Diem: Available | No relocation | No travel expected | Start: ASAP WHY THIS ROLE This is a senior electrical design engineering role at the heart of LANL's Plutonium Rapid Response Team. As an Electrical Engineer 3, you will take on more complex design and coordination responsibilities, provide technical direction to junior engineers, and lead assigned activities across facility design, construction, and field engineering support at and around TA-55. You will own advanced electrical design deliverables, support interdisciplinary coordination, and directly resolve field issues impacting...
PS
Sep 08, 2026
Contractor
Sr. Mechanical Engineer - Robotics (3 month contract)
Prequel Solutions Pittsburgh, PA
Job Description: Senior Mechanical Engineer - Robotics | 3-Month Contract Prequel Solutions is supporting an established robotics company seeking an experienced Mechanical Engineer for an immediate contract engagement supporting development of a next-generation mobile robotic platform. This is a hands-on mechanical design role focused on taking existing concepts through detailed design, prototyping and build. Scope of Work Mechanical design of robotic enclosures, structures and mechanical assemblies. Design and refinement of mechanisms, including actuated doors and linkage systems. Integrate sensors, displays, wiring/harnesses and related hardware. Develop CAD models and detailed drawings for fabrication. Support prototype builds, troubleshooting and design iteration. Collaborate with mechanical, electrical, software and robotics engineers. Desired Background Strong mechanical design and product development experience. SolidWorks experience preferred. Experience...
Aq
Sep 08, 2026
Contractor
Product Test Engineer 2
Aquent Beaverton, OR
Placement Type: Temporary Salary: $36-40 Hourly up to $40.00/hr Start Date: Sep 14, 2026 We are seeking a Product Test Engineer to join our client's dynamic team, where you will be instrumental in the rigorous evaluation of cutting-edge products. This role offers a unique chance to directly influence the performance and durability of highly anticipated consumer goods, working with advanced testing methodologies and contributing to a culture of continuous improvement. You will immerse yourself in the world of product testing, focusing specifically on innovative footwear products. Your expertise will be vital in conducting comprehensive materials and mechanical tests, analyzing critical data, and reporting findings that guide product development. This is more than just testing; it's about safeguarding quality, driving innovation, and helping to bring exceptional products to market. You will collaborate closely with a small, dedicated team, contributing your skills within...
MA
Sep 08, 2026
Contractor
Mechanical Engineer - CREO expertise
$120,000 - $170,000 yearly
MORI Associates Remote (Huntsville, AL)
Mechanical Design Engineers - CREO expertise - 12+ months Mid/Senior-Level | Aerospace & Defense *This job is fully remote from anywhere in the United States* Duration of this position is expected to be at least 12 months. Must be a Green Card holder or US Citizen. At MORI Associates, we partner with some of the most visionary and mission-critical organizations in the world-including NASA, JPL, DoD, and leading science and technology innovators. Since 1997, our mid-sized, nationwide team has been driven by a shared belief: agile, passionate, forward-thinking professionals can meaningfully advance the future of science and technology for the benefit of life on Earth and beyond. We provide a full spectrum of high-impact services, from strategic consulting to sophisticated engineering and information systems solutions. If you're looking to apply your technical expertise to projects that push scientific boundaries and shape the future of space exploration, MORI Associates is where...
Fl
Aug 05, 2026
Contractor
Control System Engineer
$96.15 - $120.19 hourly
Flux TX
Control Systems Engineer (SCADA / BMS / EPMS - Data Center Design) This is a full-time, full-time (40 hours/week), on-site or remote contract role located in Austin, TX Summary This is a senior Control Systems Engineering role responsible for the design, development, and commissioning of SCADA, BMS, and EPMS systems across hyperscale data center infrastructure in the U.S. and Europe. You will lead end-to-end controls system architecture for mission-critical facilities, covering chilled water systems, HVAC, power monitoring, and data hall controls. The role includes ownership of system design, PLC/SCADA programming, commissioning support, and integration of complex industrial control systems into large-scale AI infrastructure environments. You will also define and standardize control system design practices across multiple deployments, ensuring consistency, reliability, and scalability across rapidly growing global portfolio. Our Ideal Candidate 10+ years of...
SI
Aug 05, 2026
Contractor
Senior CAM Engineer
$105.00 - $130.00 hourly
Saratech, Inc. Mission Viejo, CA
Senior CAM Engineer About the Opportunity Saratech is seeking a Sr. CAM Engineer with a minimum of 15 years of Computer-Aided Manufacturing and Programming experience. This is a full-time remote employee position. Ideal candidates will possess the following qualifications, experience, and abilities: Salary $105 - 130 / hourly Qualifications U.S. Citizenship is required 20+ years of experience in CNC Programming Bachelor's Degree in Manufacturing or Engineering (or equivalent proven experience) Aerospace manufacturing experience Strong communication skills, both written and verbal Excellent teamwork and collaboration skills across different levels Strong organization and time management abilities Working knowledge of lean manufacturing and demonstrated change implementation skills Strong problem-solving capabilities Proficiency in computer skills, including MS Office NX (CAD/CAM), MasterCam, SolidCam, Catia and Esprit experience highly desired...
OS
Apr 25, 2026
Contractor
Civil Engineer
Oxford Solutions PA
ONSITE IN PITTSBURGH, PA. LOCAL CANDIDATES ONLY!! Oxford Solutions has an engineering client in the Pittsburgh, PA area looking for an entry level Civil Engineer with an EIT and construction internship experience. This role will focus on supporting Municipal Engineering projects, including the design, development, and maintenance of infrastructure systems such as water, sewage, transportation, and public facilities. This is an excellent opportunity for a recent Civil Engineering graduate looking to start their career and gain hands-on experience in the municipal sector. Essential Functions Support senior engineers in conducting field investigations, surveys, and project site inspections. Prepare engineering reports, specifications, plans, and cost estimates. Perform technical calculations and analyses related to civil engineering projects. Coordinate with contractors, government agencies, and other stakeholders as required. Assist in ensuring projects comply with...
FC
Mar 27, 2026
Contractor
Senior Mechanical Engineer
$75.00 - $85.00 hourly
Fresh Consulting Sunnyvale, CA
Fresh Consulting is a design-led, software development and hardware engineering company, offering end-to-end digital services to help companies innovate. We bring together amazing UX designers, sophisticated developers, digital strategists, and top-notch engineers to help companies create fresh experiences that connect humans, systems, and machines. We've been growing fast and need someone to help us continue to manage the delivery of high-quality work in a fast-paced environment. See more at freshconsulting.com Visit freshconsulting.com/portfolio to see our project work across several industries. View and apply to all jobs - https://freshconsulting.applytojob.com/apply/ or visit freshconsulting.com/careers Title: Senior Mechanical Engineer Location: Onsite in Sunnyvale, CA Benefits: Employee benefits at 100% including Medical, PTO, Holiday Pay, 401K Plan and much more! Hours: Minimum 40 Hours/Week Job Description Lead exploration, prototyping, maturing and implementation of...
RD
Aug 25, 2025
Contractor
Electronics Engineer / Freelance
RKS Design, Inc. Los Angeles, CA
Job Description About Us: RKS has been at the forefront of Industrial Design in the United States for the last 40 years. We have built a reputation for delivering full-spectrum product design and development services-creating meaningful innovation across industries, from medical devices and consumer electronics to wearables and home goods. Our cross-functional approach integrates design, engineering, and human-centered thinking to produce award-winning products that drive emotional connection and market success. Job Summary: We are seeking a highly skilled and experienced Electronics Engineer to consult on a freelance basis with our interdisciplinary team. This role requires a hands-on, systems-level thinker who can architect and implement electronic subsystems within a variety of product categories. The ideal candidate will collaborate closely with mechanical, software, and industrial design teams to develop elegant, functional, and manufacturable products from concept...
SolidProfessor
Aug 07, 2026
Contractor Seasonal
Paid Engineering Career Research Interview — $50 for 30 Minutes
SolidProfessor Remote (CA)
Help Shape the Future of Engineering Careers SolidProfessor is conducting research to better understand how engineering professionals approach career development, technical assessments, professional portfolios, and job-search platforms. We are inviting engineering design professionals to participate in a 30-minute, one-on-one research interview with a member of our product team. The conversation will take place over Zoom and will be recorded for internal research purposes. Participants who complete the interview will receive $50 as a thank-you for their time and feedback. Who We Are Looking For We want to hear from a broad range of engineering design professionals, including: Currently employed professionals who are not actively looking for a new role Employed professionals who may be open to new opportunities Unemployed or actively searching job seekers Students, recent graduates, and early-career professionals Mid-career professionals Senior...
SH
Sep 15, 2026
Contractor
Electrical Engineering Co-op (Spring 2027)
SHP Cincinnati, OH
About SHP At SHP, design is about more than buildings-it's about people. We create places where students learn, communities gather, and organizations thrive. Our work is collaborative by nature, bringing together architects, interior designers, and engineers who care deeply about both design excellence and the human experience. As a co-op, you'll be part of that team. You'll gain hands-on project experience, learn from mentors who are invested in your growth, and build connections with peers across disciplines. Most importantly, you'll see how your ideas and contributions make a real impact on the communities we serve. As an Engineering Intern with a focus on electrical building systems, you'll gain hands-on exposure to how power, lighting, and low-voltage systems support safe, efficient, and inspiring spaces. You'll work alongside engineers and architects to help translate design intent into coordinated, buildable electrical solutions across a range of project types. What...
SH
Sep 15, 2026
Contractor
Mechanical Engineering Co-op - Plumbing/HVAC Design (Spring 2027)
SHP Cincinnati, OH
About SHP At SHP, design is about more than buildings--it's about people. We create places where students learn, communities gather, and organizations thrive. Our work is collaborative by nature, bringing together architects, interior designers, and engineers who care deeply about both design excellence and the human experience. As an intern, you'll be part of that team. You'll gain hands-on project experience, learn from mentors who are invested in your growth, and build connections with peers across disciplines. Most importantly, you'll see how your ideas and contributions make a real impact on the communities we serve. As an Engineering Intern with a focus on HVAC and Mechanical Building Systems, you'll explore how thermal comfort, indoor air quality, and energy efficiency are achieved through thoughtful mechanical design. You'll support the development of HVAC systems that respond to architectural intent, sustainability goals, and real-world performance needs. What You'll...
AI
Sep 15, 2026
Contractor
Sr. Electrical Engineer - Schematic Capture & PCB Design
Apptad, Inc. Addison, TX
Job Title: Sr. Electrical Engineer - Schematic Capture & PCB Design Location: Addison, Tx Work Type: Onsite - 100% Employment: Both Contract & Full-time Key Responsibilities • Perform electronic circuit design and schematic capture for analog, digital, mixed-signal, and power electronic circuits. • Develop PCB layouts ensuring compliance with electrical, thermal, EMC/EMI, manufacturability, and reliability requirements. • Collaborate with mechanical, manufacturing, and test engineering teams to achieve robust product designs. • Perform component selection, derating analysis, and obsolescence reviews. • Support design reviews and implement engineering changes based on review feedback. • Develop and execute hardware verification and validation activities. • Create and maintain technical documentation including: • Design documents • Product drawings • Engineering change documentation • Test procedures • Qualification test plans • Qualification test reports • Test...
RB
Sep 15, 2026
Contractor
Engineering Technician (Contract)
$27.00 - $40.00 hourly
Re:Build Manufacturing Englewood, CO
About Re:Build At Re:Build, our mission is to ensure the next generation of important products are made, at scale, in America. We are laying the foundation for a better future for our customers, employees, and communities by revitalizing America's manufacturing base and creating meaningful jobs across the country, including in historically deindustrialized regions. We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products from first concept to full-scale production in critical verticals including aerospace and defense, electrification, medical, energy and environment, and robotics and automation. The way we operate is as important as the work we do. It's guided by The Re:Build Way, 16 principles that shape how we collaborate with each other, partner with our customers and vendors, and contribute to the communities where we operate. (link to The Re:Build Way principles About Re:Build Answer...
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