{"id":3054681,"url":"https://alion.io/job/parsons-principal-wastewater-engineer","title":"Principal Wastewater Engineer","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":332,"ghost_share":0,"stale_share":0.997,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":122000,"max_usd":222000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":200},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Bioreactors","optional":false},{"name":"AutoCAD","optional":true},{"name":"Microsoft Office","optional":true}],"status":"live","first_seen_at":"2026-09-15T00:00:00Z","employer_posted_date":"2026-09-15","last_verified_at":"2026-10-26T03:48:05Z","board_verified":true,"closed_at":null,"days_open":41,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":41},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:\nParsonsisseeking a highly capable Senior Wastewater Engineer to join our Water and Wastewater team. This position will provide technical leadership and process engineering expertise for municipal, industrial, manufacturing, groundwater, leachate, and advanced water treatment projects throughout the United States, Canada, and potentially international locations.\nThe successful candidate will support projects from feasibility evaluations and treatment process development through detailed design, procurement, construction, commissioning, startup, and operational troubleshooting. The role requires strong technical knowledge, excellent communication skills, sound engineering judgment, and the ability to work effectively with clients, vendors, constructors, and multidisciplinary project teams.\nWhat You’ll Be Doing\nLead and perform process engineering activities for municipal, industrial, manufacturing, groundwater, leachate, and advanced water and wastewater treatment projects.\n\nDevelop and evaluate treatment solutions for conventional and emerging contaminants, including PFAS.\n\nApply wastewater treatment principles, process selection criteria, hydraulic fundamentals, equipment selection practices, and treatment system integration requirements.\n\nLead or support feasibility studies, alternatives evaluations, white papers, treatability studies, and process development activities, including:\n\nBench- and pilot-scale testing\n\nLaboratory testing and data interpretation\n\nBiological and physical-chemical treatment evaluations\n\nEmerging contaminant assessments\n\nDesign and evaluate treatment systems incorporating technologies such as:\n\nHeadworks and preliminary treatment\n\nPrimary and secondary clarification\n\nBiological treatment, aeration, and advanced biological processes\n\nMembrane bioreactors and other membrane processes\n\nOzone, ultraviolet, and disinfection systems\n\nReverse osmosis and high-purity water treatment\n\nAnaerobic digestion and biogas cogeneration\n\nSolids handling and dewatering\n\nGroundwater, soil, and leachate treatment\n\nPrepare and review process design calculations, design reports, technical memoranda, process flow diagrams, piping and instrumentation diagrams, equipment specifications, technical specifications, and construction documents.\n\nPrepare equipment requisitions, material takeoffs, cost estimates, scopes of work, and vendor or subcontractor requirements.\n\nLead or support the design of wastewater treatment facilities, lagoons, wet utilities, conveyance systems, and related municipal infrastructure.\n\nConduct field investigations, site assessments, process evaluations, and data collection to develop reliable design information and support troubleshooting.\n\nSupport equipment selection, procurement, vendor coordination, construction, commissioning, startup, and operations.\n\nReview vendor submittals, contractor shop drawings, equipment documentation, and other technical deliverables.\n\nObserve and evaluate treatment system installation and confirm that construction aligns with design intent.\n\nCoordinate with civil, mechanical, electrical, structural, environmental, instrumentation and controls, CAD, BIM, and other technical disciplines.\n\nWork effectively with vendors, contractors, constructors, and design-build partners.\n\nProvide technical direction and mentoring to engineers, designers, and other project team members.\n\nManage or support small- to medium-sized projects, tasks, and technical work packages.\n\nRepresent Parsons in client meetings, presentations, interviews, proposal activities, and other business development efforts.\n\nCommunicate technical recommendations, project goals, risks, costs, schedules, and results to clients, senior management, and internal stakeholders.\n\nAnticipate technical, schedule, cost, safety, and constructability issues and develop practical solutions.\n\nSupport process safety activities, including HAZOP and PHA studies, and help ensure compliance with applicable health and safety requirements.\n\nTravel to client offices, project sites, laboratories, equipment suppliers, and construction locations as required. International travel may be available for qualified and interested candidates.\n\nPerform other responsibilities associated with this position as appropriate.\n\nPreferred Qualifications\nBachelor's Degree in Engineering (or related field)\n\nMaster’s degree in Water/Wastewater Engineering, Environmental Engineering, Chemical Engineering, or a related discipline preferred\n\nAt least 10 years of progressively responsible experience in the design, evaluation, construction, commissioning, or operation of water and wastewater treatment systems, industrial facilities, or similar infrastructure.\n\nProfessional Engineer licensure, such as a PE or applicable provincial engineering designation. Candidates licensed in another jurisdiction may be considered if they are able to obtain local licensure through reciprocity or mobility requirements.\n\nDemonstrated experience with industrial, municipal, manufacturing, groundwater, leachate, or advanced water and wastewater treatment projects.\n\nExperience with wastewater treatment lagoons, municipal wet utility infrastructure, treatment facility design, and conveyance systems.\n\nExperience with bench-scale, pilot-scale, or full-scale treatability studies, including laboratory testing and interpretation of results.\n\nFamiliarity with laboratory procedures such as TSS, COD, pH, ion-selective electrode testing, and preparation of standard solutions.\n\nStrong knowledge of wastewater treatment processes, hydraulic principles, process design, equipment selection, applicable codes and standards, regulatory requirements, and treatment system operation.\n\nExperience preparing or reviewing engineering calculations, technical reports, specifications, design drawings, procurement documents, and construction deliverables.\n\nExperience with construction support, commissioning, startup, operational troubleshooting, and field investigations.\n\nAbility to provide technical leadership and serve as a project lead, process lead, or technical work package lead.\n\nExperience working with multidisciplinary teams, clients, vendors, contractors, and design-build partners.\n\nUnderstanding of process safety concepts and experience supporting HAZOP and PHA studies.\n\nExperience with client development, proposal preparation, interviews, and technical presentations.\n\nExcellent written, verbal, presentation, and interpersonal communication skills.\n\nProficiency with Microsoft Office applications.\n\nAbility and willingness to travel as required by project and business needs.\n\nExperience with relevant engineering and design software, such as:\n\nAutoCAD, Civil 3D, Revit, Navisworks, BIM,orrelated platforms\n\nBioWinor similar biological treatment modeling software\n\nPipe-Flo,WaterCAD,WaterGEMS, Visual Hydraulics,OpenUtilities, or similar hydraulic tools\n\nChemical equilibrium software, Aspen HYSYS, or comparable engineering applications\n\nKey Competencies\nWastewater and advanced water treatment process design\n\nIndustrial, municipal, and emerging contaminant treatment\n\nTreatability testing and process development\n\nEngineering judgment and technical problem-solving\n\nTechnical leadership, mentoring, and quality review\n\nClient, stakeholder, vendor, and contractor communication\n\nMultidisciplinary coordination\n\nDesign-build, construction, commissioning, and startup support\n\nProject, task, and technical work package management\n\nProcess safety and health and safety awareness\n\n Security Clearance Requirement:\nNoneThis position is part of our Critical Infrastructure team.For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people’s quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers’ visions-and to help them see what's next!Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":9807,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Growth opportunities","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Civil & Structural Engineering","Homeland Security","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-22T03:16:41Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.27,"p_room":0.28,"age_days":41,"expected_fill_days":15,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/parsons-principal-wastewater-engineer","json_url":"https://alion.io/job/parsons-principal-wastewater-engineer.json","meta":{"generated_at":"2026-10-26T09:20:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":12551,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-principal-wastewater-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fparsons-principal-wastewater-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fparsons-principal-wastewater-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/parsons-principal-wastewater-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-principal-wastewater-engineer"}]}