7.5. Senior Mechanical Engineer
$120k - $160kPhoenix Tailings Inc.
Overview Phoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world's first fully clean mining and metals production company, producing the resources needed for the next generation of our economy. About Phoenix Tailings Phoenix Tailings is looking for a Senior Mechanical Engineer who will take a leading role in designing, building, and proving the next generation of critical metals processing systems. This role will drive the full equipment lifecycle—from concept and prototyping to deployment and continuous improvement, while working hands-on with technicians and engineers on the floor. The right candidate will bring deep mechanical expertise, leadership, and a builder’s mindset to accelerate the development of the infrastructure required to produce critical metals sustainably at scale. Why Phoenix Tailings At Phoenix Tailings, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate one another. If you are someone who shares our relentless pursuit of a better future, passion for innovation, and are excited about working with some of the top innovators in the world, then this is the place for you. Our Values You are only crazy if you are wrong, it’s ok to be wrong Lead with Compassion Be Resourceful Listen Hustle Compensation This pay range reflects the expected compensation for this role and may vary based on experience and qualifications. Salary Range: $120,000- $160,000/year Key Responsibilities Lead the mechanical engineering lifecycle for new processing equipment, from concept and design through build, testing, and operational deployment Establish and maintain mechanical engineering standards for Phoenix Tailings’ processing systems and industrial equipment Develop and execute strategic engineering plans to design, build, test, and validate new systems and mechanical infrastructure Design and improve mechanical systems used in critical metals processing, focusing on reliability, maintainability, and scalability Serve as the hands-on engineering lead during equipment builds, commissioning, and troubleshooting on the production floor Translate operational challenges and team feedback into defined engineering programs and equipment improvements Create and review mechanical designs, drawings, and documentation to support fabrication, installation, and operation Guide and coach early-career engineers through practical engineering problem solving and system development Qualifications 7+ years of mechanical engineering experience in industrial systems, manufacturing equipment, or process equipment development Strong hands-on experience designing, building, and troubleshooting mechanical systems and machinery Experience owning equipment through the full lifecycle including design, fabrication, testing, and operational validation Proficiency with CAD tools and creating detailed engineering drawings for fabrication and assembly Experience working directly with technicians, machinists, or fabrication teams to build and modify equipment Ability to translate technical challenges into structured engineering solutions and development programs Bachelor’s or higher degree in Mechanical Engineering or a related field Benefits Healthcare: 100% Medical, dental, and vision coverage Stock: Ownership in a fast-growing venture-backed company Family Focus: Parental leave and flexibility for families Time Off: Flexible vacation policy to encourage people to get out and see the world Team Fun: Regularly scheduled events and celebrations Learning: Opportunities to grow your skills and career Great team: Working with fun, hard-working, kind people committed to making a difference Flexible culture: We are results-focused and do not require daily office attendance Culture and Equal Opportunity At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiastic individuals who share our vision of sustainable mining. Phoenix Tailings, Inc. is an Equal Opportunity Employer, and we value diversity at all levels. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age, disability or genetic information, or any other applicable protected characteristics, and these characteristics will not be a factor for consideration of any work-related decisions (including but not limited to hiring, firing, compensation, and discipline). #J-18808-Ljbffr Phoenix Tailings Inc.
- ...We are seeking a highly motivated Senior Mechanical Engineer to serve as the primary technical partner... ...data analysis, and report generation. ~3–7 years of experience in semiconductor packaging... ...and stiffener/lid design, TIM1/TIM1.5/TIM2 selection) and associated...SeniorFull time
- ...Description: Viken Detection is seeking an experienced and driven Senior Mechanical Engineer to join our growing, highly collaborative engineering team.... ...Bachelor’s or Master’s degree in Mechanical Engineering ~7+ years of progressive mechanical engineering experience in...Senior
- ...industrial automation, applying expert-level mechanical engineering to develop advanced mechatronic systems... ...for a highly skilled and experienced Senior Mechanical Engineer with expertise in... ...Engineering, or equivalent. ~5+ years of applicable professional experience...SeniorShift work
$134k - $160k
...technologies to deliver first-of-a-kind systems. STR is seeking a Senior Mechanical Engineer to support the design, development, and implementation of... ...Background should include a Bachelor's degree and at least 5 years of applicable experience; Master's degree and at...SeniorFull timeLocal areaNight shift$155k
Job Title: Senior Staff Mechanical Engineer Location: Wilmington, MA, US, 01887 Business Unit: Sensors & Fluid... ...designs a plus. Proficiency with ASME 14.5 geometric dimensioning and tolerancing... ...niche markets with annual sales over $7.0 billion. AMETEK is committed to...SeniorLocal areaFlexible hours$195k
...applications in a collaborative engineering environment focused on... ...looking for a Senior Robotics Mechatronics Engineer... ...motion and articulated mechanisms Develop and tune:... ..., or related field 7+ years of experience designing... ...Monday‑Friday 9 am‑5 pm in the office with...SeniorContract workWork at officeWork from homeRelocation packageMonday to Friday$105k - $135k
A leading engineering firm in Wilmington is seeking a Senior Mechanical Engineer to lead project teams and design mechanical solutions. The role involves hands-on design... ...client interactions. Ideal candidates have over 5 years of mechanical engineering experience and...Senior- ...leading aerospace firm in Wilmington, Massachusetts, is seeking a Mechanical Engineer III to focus on tooling design for manufacturing processes.... ...’s in Mechanical Engineering. Candidates should have over 5 years of experience, knowledge of manufacturing, and be capable...Senior
$105k - $135k
Our Mission: Through inspired engineering and design, we deliver outstanding solutions that... .... The Role: We’re looking for a Senior Mechanical Engineer who is excited to bring ideas... ...mechanical engineering or related field 5+ years direct mechanical engineering experience...SeniorWork at officeLocal areaFlexible hours- ...collaborative problem-solver with a natural curiosity about mechanical and electrical devices to join us as a Senior Mechanical Engineer in our Wilmington, MA facility. This position... ...(CFD) preferred. Proficiency with ASME 14.5 geometric dimensioning and tolerancing (GD&T)....SeniorLocal areaFlexible hours
- ## Senior Refrigeration EngineerApplylocations: Burlington, MAtime type: Full timeposted on... ...POSITION SUMMARY**The Senior Refrigeration Engineer manages multiple, complex refrigeration... ...Engineering or a related field **or** a minimum of 5 years of experience within the...SeniorTemporary workFor contractorsWork at officeImmediate start
$125k - $171.6k
...flexibility.What we needSymbotic is seeking a highly talented mechanical engineer to join our R&D Hardware Engineering team. In this role, you will... ...and create mechanical drawings in accordance with ANSI Y14.5 standardsCreate and manage Bill of Materials (BOMs) and Engineering...SeniorWork experience placement- A leading technology company in Wilmington seeks a Senior Mechanical Engineer with over 5 years' experience in medical device design and development. This position will lead engineering teams on projects involving mechanical design, compliance with FDA standards, and innovative...SeniorFlexible hours
$76.4k - $125k
Keurig Dr Pepper is seeking a Senior Mechanical Engineer in Burlington, Massachusetts. This role focuses on the specification and performance of manufacturing... ...a bachelor’s degree in mechanical engineering and has over 5 years in engineering, particularly within packaging...SeniorRemote job$110k - $140k
...Job Description Job Description Description E Ink’s Research Department is looking for a Mechanical Engineer to join the External Phase team. This person will design and implement custom coating equipment for novel processes. They will work to retrofit existing...Senior$115.8k - $176.2k
A global aerospace and defense company is seeking a Tooling/Mechanical Engineer III in Wilmington, MA. This role focuses on mechanical design for... ...possess a degree in Mechanical Engineering and have at least 5 years of relevant experience. The position offers competitive...SeniorFlexible hours- ...Laboratory, Inc. is looking for a Senior Test Equipment Development Engineer to join their team in Cambridge, Massachusetts... ...management of complex electrical, mechanical, and software-based test equipment.... .... A bachelor's degree and 5-7 years in a related field are required...Senior
- ...Job Description Job Description We are seeking a highly capable Senior Mechanical Design Engineer (contract/temporary)to support ongoing product development and improvement efforts. This is a hands-on, execution-focused role centered on improving existing designs,...SeniorContract workTemporary work
- ...projects from start to finish 100% with little to no oversight. Senior Engineers tackle our most complex projects. Provides oversight,... ...scope of work, budget, and staffing Write scope of work for mechanical design based on preliminary review and meetings with the...SeniorFor contractorsLocal area
- Draper in Cambridge, MA is seeking a Senior Test Equipment Development Engineer to lead the development of complex electrical, mechanical, and software-based test systems. This role involves... ...should have a bachelor's degree and 5-7 years of relevant experience. The...Senior
$115.8k - $224.5k
Textron in Wilmington, MA seeks a Test Equipment Engineer III/IV to develop Automated Test Equipment in the Aerospace sector. This role requires a B.S. in Electrical Engineering, with 5 years of experience in ATE design. You will collaborate across disciplines to produce...Senior- A leading consulting firm in water solutions is seeking a Mechanical Engineer to lead the design of HVAC, Plumbing, and Fire Protection systems... ...in Mechanical Engineering and be a licensed PE, with at least 7 years of experience in the field. This firm offers competitive...Senior
- ...the design, assembly, integration, and maintenance of complex electro-mechanical system in support of testing, prototyping, and pilot scale process system development. The Senior Mechatronics Engineer is a hands-on, end-to-end owner of the electrical, controls, and...SeniorFull time
- Draper Inc. is seeking a Senior Test Equipment Development Engineer in Cambridge, Massachusetts. In this role, you... ...to develop complex electrical, mechanical, and software-based test equipment.... ...in a relevant engineering field and 5-7 years of experience. #J-18808-Ljbffr...Senior
$146k - $194k
...performance (STOP) analysis, along with strategic engineering validation and qualification test... ...and its allies. We are looking for a Senior Thermal Analyst to join our rapidly growing... ...focus on heat transfer and fluid dynamics 7+ years of experience in a thermal...SeniorFull timeWork experience placementImmediate start$90k - $120k
...Compassion ● Be Resourceful ● Listen ● Hustle Who We Are Looking For: Phoenix Tailings is looking for a Mechanical Engineer II to help take next-generation processing equipment from concept to deployment. In this role, you will design, build, test,...$50 - $58 per hour
...Job Description Job Description Mechanical Engineer Burlington, MA Area We are seeking a detail oriented Mechanical Engineer with experience... ...Mechanical Engineering or a related discipline preferred. ~5 to 7 years of experience in manufacturing, build-to-print,...Contract work$82.3k - $220k
...space exploration to biomedical engineering, lives often depend on the... ...group at Draper is seeking a Senior Test Equipment Development Engineer... ...of complex electrical, mechanical and software-based test equipment... ...or a related field. Requires 5‑7 years in Systems Engineering...SeniorFull timeLocal area$82.3k - $220k
## Senior Test Equipment Development EngineerApplyremote type: Onsite... ...exploration to biomedical engineering, lives often depend on the... ...management of complex electrical, mechanical and software-based test... ...field. **Experience** Requires 5-7 years in Systems Engineering...SeniorFull timeLocal area$195k
Nbutexas in Watertown, MA seeks a Senior Robotics Mechatronics Engineer to lead the design and optimization of advanced robotic systems. The role focuses... ...product performance. Ideal candidates possess over 7 years experience, strong expertise in multi-axis motion...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to 7.5. Senior Mechanical Engineer. Be the first to apply!
- senior data management analyst Burlington, MA
- senior compensation manager Burlington, MA
- senior vice president of operations Burlington, MA
- sr industrial engineer Burlington, MA
- senior manager creative operations Burlington, MA
- senior storage engineer Burlington, MA
- senior hvac project manager Burlington, MA
- senior principal cloud computing engineer Burlington, MA
- senior cybersecurity engineer Burlington, MA
- senior financial analyst fp&a Burlington, MA


