Senior Mechanical Engineer

Sedron Technologies is hiring a talented Senior Mechanical Engineer to work at our Bellingham or Sedro-Woolley, WA office!Sedron is a leading provider of circular waste management technologies for agricultural manure and municipal biosolids processing, deploying facilities across several North American regions. Since its founding in 2014, Sedron has pioneered innovative solutions, including the patented Varcor system, to transform waste into clean water, organic fertilizer, and carbon-negative commodities. With strong engineering expertise, Sedron's processes reduce nutrient pollution, lower operational expenses, and promote sustainability at a fraction of traditional costs.Sedron Technologies is seeking a Senior Mechanical Engineer to help solve complex challenges at the intersection of industrial systems and sustainable resource recovery. This role is central to the design, development, and commissioning of industrial-scale equipment used in wastewater treatment, biosolids processing, and waste-to-resource facilities. The Mechanical Engineer will apply core engineering principles to deliver robust solutions—including thermal processing systems, pressure vessels, solids handling equipment, and fluid systems—designed to perform reliably in demanding environments.Working cross-functionally with process, operations, and project teams, this role requires both strong technical expertise and a systems-level understanding of industrial facility design.This position includes ownership of large, fabricated structures across the full lifecycle—from concept through fabrication, deployment, and continuous improvement. The ideal candidate has experience designing welded and fabricated systems, with strong judgment in manufacturability, material selection, and performance in corrosive environments. Experience with ASME Section VIII Division 2, fatigue analysis, and FEA is preferred.Because we design, build, commission, and operate our technologies, we are looking for individuals who can meet the following essential functions of the position:Lead the design and development of custom industrial equipment and systems for wastewater, biosolids, and waste-to-resource facilitiesPerform and review engineering analyses (e.g., heat transfer, mass/energy balance, stress, and fluid systems) to support robust, field-ready designsDevelop integrated facility designs including piping, equipment layouts, structural considerations, and utility systemsSupport the full project lifecycle from concept through fabrication, installation, commissioning, and handoff to operationsServe as a technical interface with internal teams, clients, and stakeholders to advance projects through design, procurement, and executionCollaborate cross-functionally with process, electrical, controls, and operations teams to deliver complete system solutionsDrive manufacturing readiness, procurement support, and design quality to ensure efficient project executionContribute to engineering standards, best practices, and continuous improvement initiatives across safety, quality, and performanceSupport field activities including site visits, commissioning, and troubleshooting as neededThis position has multiple levels of competency to be determined by performance, certifications, and supervisor discretion.BENEFITS Multiple medical, dental, and vision insurance options to keep you feeling your best401(k) with employer matching — free money for future youGenerous paid time off and paid holidays (plus 2 floating holidays to use your way)Disability, Life, and AD&D InsuranceFSA and HSA options with employer contributionsTuition reimbursement — we invest in your growthCasual work attire — no suits required (unless that's your thing)EDUCATION/EXPERIENCE Bachelor's degree in Mechanical Engineering or a related field required; Master's and PE license preferred8–12+ years of experience in industrial mechanical system design, with a strong focus on process or facility-based projects. Experience in wastewater, biosolids, or similar process industries preferredAdvanced proficiency in 3D CAD (e.g., NX or equivalent) and engineering design/documentation toolsStrong expertise in mechanical engineering fundamentals (thermodynamics, fluid mechanics, heat transfer) applied to industrial systemsExtensive experience with piping and equipment design, including P&IDs, layouts, and relevant codes/standards (e.g., ASME, GD&T)Experience designing and integrating facility-level systems (process piping, utilities, HVAC, and equipment installation)Proven ability to lead projects from concept through commissioning, including field execution and contractor coordinationFamiliarity with industrial/process environments such as wastewater treatment, thermal processing, or solids handling systemsStrong understanding of safety, environmental compliance, and operating constraints in industrial facilitiesEffective project management, communication, and cross-functional collaboration skills in fast-paced environmentsMust have effective verbal and written communication skills in the English languageADDITIONAL INFORMATION Compensation range for this role is between $130,000 – 180,000 annuallyThe range provided is Sedron's estimate of the base compensation for this role. Actual amount offered will be based on job-related and non-discriminatory factors such as experience, location, education, training, skills, and abilities.Discretionary bonusMust be a US Citizen or legal permanent resident for this position. We are unable to sponsor any employment visas.We are committed to maintaining a drug and alcohol-free work environment, and our employees are expected to comply with all state and federal laws. Due to the nature of the work performed, this role is considered safety sensitive and as suchall applicants will be subject to a pre-employment drug test, and background check after receiving a conditional offer of employment. Not sure you meet all the qualifications? We encourage you to still apply! We'll review your application and may have training opportunities or other positions available.Sedron Technologies is an Equal Opportunity Employer. Sedron Technologies does not discriminate on the basis of race, color, religion, sex, national origin, sexual orientation, marital or familial status, physical or mental disability, genetic information, age, retaliation, veteran/military service status, or any other legally protected status. Sedron Technologies is an EEO/AA/M/F/Disabled/Veteran/E-Verify/Drug-Free Employer. To view the E-Verify Right to Work poster in English or Spanish, click here