Water/Wastewater Senior Project Engineer
$55 - $75 per hourDJ&A
Job Description
Job Description
Water/Wastewater Senior Project Engineer
Founded in 1973, DJ&A is a multidisciplinary professional services consulting firm with office locations in Montana, Colorado, Washington, New Mexico, and Nevada. Our team of more than 180 professionals works across the country to deliver a diverse range of engineering, environmental surveys, mapping, landscape architecture, and planning projects for federal, state, local, tribal, and private clientele.
DJ&A's Civil Engineering & Design (CE&D) Group is seeking a full-time Senior Project Engineer with a strong background in water and wastewater to join our growing team. The ideal candidate will have at least 10 years of progressive experience leading complex water/wastewater projects. This role requires advanced technical expertise, strong project delivery skills, and the ability to mentor and guide internal project teams from project concept through construction.
Preferred project experience with :
• Water and wastewater treatment facilities
• Pump stations and lift stations
• Water distribution and wastewater collection systems
• Engineering analyses, feasibility studies, and cost estimating
Primary Duties and Responsibilities:
• Serve as the technical design lead on complex water and wastewater projects.
• Lead project execution strategies to ensure profitability and client satisfaction.
• Work on multiple projects of small to moderate size or portions of major projects by planning and coordinating detailed aspects of engineering work, including engineering analysis, hydraulic modeling, and calculations.
• Well-versed in leading and preparing contract documents for bidding and construction, design documents, plans, specifications, and reports.
• Construction Administration, including coordinating and conducting submittal reviews, reviewing contractor requests for information (RFIs), and site inspections.
• Conduct quality assurance/quality control (QA/QC) reviews of project deliverables.
• Develop engineering reports, feasibility studies, and construction cost estimates.
• Experience navigating local, state and federal regulatory agencies to meet code and permitting requirements.
• Collaborate closely with Project Managers to ensure project success.
• Mentor junior engineers and provide technical guidance to project teams.
• Coordination with external suppliers and subcontractors to quote and furnish materials and services.
• Support business development by contributing technical expertise in proposals and client meetings.
Education and Experience:
• Bachelor's degree in Civil or Environmental Engineering from an ABET-accredited program (required).
• Minimum of 10 years of engineering experience with a focus on water and wastewater infrastructure.
• Licensed Professional Engineer (PE) (required).
• Strong knowledge and understanding of wastewater treatment processes and equipment, hydraulics, piping systems, electromechanical systems and instrumentation.
• Proficiency in AutoCAD Civil 3D, hydraulic modeling software (e.g., WaterCAD/WaterGEMS, SewerCAD, EPANET, SWMM), and Microsoft Office Suite.
• Experience working with and coordinating discipline work (civil, mechanical, structural, electrical, instrumentation, HVAC, geotech, survey, etc.) internally and externally.
• Operations experience is a plus.
Physical Requirements:
• Ability to sit, stand, and use computer equipment for extended periods.
• Occasional travel to project sites, including outdoor environments and construction areas.
• Ability to lift up to 25 lbs. occasionally.
Salary and Benefits
• $55–$75/hr. depending on experience.
• Comprehensive benefits package including:
◦ Medical insurance
◦ 401(k) with employer contribution
◦ Paid time off and holidays
◦ Professional development support, including licensure and training
◦ Flexible work schedule
Office Location
• This position may be based in Missoula, MT; Bozeman, MT; or Denver, CO.
We are proud to be an Equal Opportunity Employer. For more information, please visit the EEO website here.
DJ&A is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at View email address on ziprecruiter.com.
- ESP Associates, Inc. is seeking a Senior Water/Wastewater Construction Manager to oversee capital infrastructure projects. The role requires a minimum of 10 years of experience in civil engineering and construction, focusing on water treatment facilities and pipelines....SeniorWater
$130k - $216k
Kennedy Jenks is seeking a Senior Project Manager to join our growing Colorado team. We are... ..., and mentorship and development of engineering staff. It is important that this... ...involvement in managing and executing large water/wastewater infrastructure projects. What You’ll...SeniorWaterWork experience placementWork at officeWork from home2 days per week$119.6k - $213.2k
WSP is currently initiating a search for a Senior Lead Substation Project Engineer for our Lakewood, CO. Be involved in projects with our Power & Energy... ...lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees...SeniorWaterFor contractorsFor subcontractorWork at officeLocal areaRemote workFlexible hours- Brown and Caldwell (BC) is seeking a Project Manager to join our project delivery team... ...be engaged in a variety of drinking water, wastewater treatment and/or water related infrastructure... ...’s degree in project management, engineering, or business administration or...WaterFull timeContract workTemporary workWork at officeRemote work
- ...drainage design ~ Drainage reports ~ Water transmission and distribution and wastewater collection design ~ Preliminary Engineering, Annual Line Status, and InflowI/Infiltration... ...General tasks associated with assisting project Engineers, and Managers ~...WaterContract work
$94.05k - $117.56k
...our global network of skilled engineers, scientists, auditors,... ...looking for?We are seeking a Senior Environmental Regulatory Manager... ...remediation and reclamation projects.This role will play a key part... ...such as CERCLA, RCRA, and Clean Water ActMining-related permitting...SeniorWaterLive inLocal area- ...opportunity to join our team as the Wastewater Area Practice Leader (APL)... ...leads complex environmental engineering work involving the planning,... ...environmental protection, water sustainability, and public health... ...with significant project impact.The Wastewater APL is...WaterFull timeTemporary workWork experience placementRemote workWork from home
$86.7k - $151.7k
...looking for an amazingly talented Senior Construction Estimator to... ...for a wide variety of project types and delivery methods.The... ...experience on DOT/ Highway, Water / Wastewater,Industrial, and/or Commercial... ...schedulers, and construction engineers to develop efficient...SeniorWaterFull timeContract workFor contractorsWork experience placementFor subcontractorWork at officeRemote workFlexible hours$22.22 - $30.57 per hour
...initiating a search for a full-time Wastewater Treatment Plant Technician to... ..., CO plant. Be involved in projects with our Mining Team and be a... ...facilities, pumps, blowers, engines, motors, chemical feed... ...hydraulic equipment found in a water or wastewater treatment facility...WaterHourly payFull timeFor subcontractorSeasonal workLocal areaFlexible hoursShift workNight shift$22.22 - $30.57 per hour
...initiating a search for a full-time Wastewater Treatment Plant Technician to... ..., CO plant. Be involved in projects with our Mining Team and be a... ...facilities, pumps, blowers, engines, motors, chemical feed... ...hydraulic equipment found in a water or wastewater treatment facility...WaterHourly payFull timeFor subcontractorSeasonal workLocal areaShift workNight shift$150k - $185k
...Emerge is currently recruiting qualified candidates for a direct hire Senior Project Engineer job in Arvada, Colorado for our client, a premier manufacturer serving the Defense, Aerospace and other industries. In this role, you will lead a team of engineers to develop...SeniorPermanent employment$124.64k - $200k
...including roadways, railroads, water, wastewater, stormwater, utilities, and... ...tunnel/underground opening projects, conventional transportation... ...pipeline market. Prepare engineering drawings, technical specifications... ...and other qualifications, a Senior‑Level Geotechnical or Civil...SeniorWaterFull timePart timeWork at officeLocal areaFlexible hours- Bowman Consulting is seeking a Water/Wastewater Construction Inspector I for our Colorado team. The role supports project managers in planning, QA, and financial success of construction tasks. Under supervision, you will inspect work, verify contractor methods, and ensure...WaterFor contractors
- ...Solutions, Terrestrial LiDAR, 3D Scanning, Structural Design, Project Management, Community Involvement, Right of Way, and... ...Reno, NV. Job Summary DJ&A is seeking a full-time Water/Wastewater Design Engineer with 1 to 5 years of relevant experience in water/wastewater...WaterFull timeFor contractorsLocal areaRemote workFlexible hours
- Bowman Consulting Group, Ltd. invites applications for an entry-level Water/Wastewater Construction Inspector I in Colorado. The role supports project managers and quality assurance—overseeing materials, inspecting workmanship, and ensuring adherence to plans and standards...WaterFor contractors
$86.1k - $128.5k
This OpportunityWSP is seeking a Senior Civil/Geotechnical Engineer with experience in the mining industry... ...mining, heavy civil, and geotechnical projects. #GlobalMiningYour ImpactLeading the... ...run out analyses for mine waste or water embankment dams and waste rock spoils...SeniorWaterFor subcontractorLocal areaFlexible hours- Brown and Caldwell (BC) is a One Water leader delivering innovative... ...the delivery of municipal projects within the local market.The Client... ...experience in environmental engineering and consulting industry with... ...with a focus on water/wastewater.Direct experience with Colorado...WaterFull timeTemporary workWork at officeLocal areaShift work
$112.32k - $154.44k
...technical background in drinking water treatment, water supply/storage, and wastewater management. The Water/... ...operations of their production/project management group, ensuring alignment... ...alignment with office goals and Moore Engineering’s standards. They guide their...WaterWork at officeFlexible hours$115.1k - $174.9k
This OpportunityWSP is seeking a Senior Lead Civil/Geotechnical Engineer to join our US Mine Waste team, at our... ..., heavy civil, and geotechnical projects. Be involved in projects with our Mine... ...run out analyses for mine waste or water embankment dams and waste rock...SeniorWaterFor subcontractorWork at officeLocal areaFlexible hours- Brown and Caldwell (BC) is excited to offer a fantastic Senior Client Services Manager/Project Manager opportunity to drive our sales strategy for water reuse engineering and consulting services in the vibrant Southwest US market, which includes Southern California, Arizona...SeniorWaterFull timeTemporary workShift work
$86.1k - $128.5k
...initiating a search for a full-time Senior Mineral Processing Engineer for our Lakewood, CO office location... ...documentation regarding assigned aspects of the project. Ensure that responsibilities are... ...buildings, transportation, energy, water and environment markets. With more...SeniorWaterFull timeWork at officeLocal areaRelocation packageFlexible hours- ...recognized industry leader in wastewater, drinking water, water resources,... ...value engagements with client senior leaders and important program... ...more challenging and larger project assignments on time and budget... ...of Science degree in engineering, business, or construction...WaterFull timeTemporary workFor contractorsWork experience placementWork at office
- ...and manage critical environmental issues to help clients achieve a more sustainable future. Weston is seeking a Geotechnical Project Engineer to manage and provide design services for engineering projects executed throughout the country, involving both clean...SeniorPermanent employmentTemporary workFor contractorsWork at officeLocal areaRemote work
$85k - $90k
...great care and love for our treasured residents! At MorningStar Senior Living, we talk a lot about culture. In fact, we rather obsess... ...-conditioning and heating units, washers, dryers, extractors, water systems, vents, and exhaust fans in bathrooms and oven stoves....SeniorWaterFull timeWork at officeMonday to FridayShift work$86.1k - $128.5k
...OpportunityWSP is currently initiating a search for Senior Project Controller for our Lakewood CO, Salt... ...diploma or University degree in an Engineering or Science related fieldMinimum of five... ...the buildings, transportation, energy, water and environment markets. With more than...SeniorWaterContract workWork at officeLocal areaFlexible hoursShift work$130k - $140k
...nonprofit, GivePower, which is building and deploying life-saving water and clean electricity systems, changing the lives of more than 1... ...South America. GoodLeap is seeking a results-driven B2B/B2B2C Senior Product Marketing Manager to lead go-to market strategy and execution...SeniorWaterFor contractorsRemote work$95k - $115k
...better rewards, and a great quality of life inside and outside of work.Job Title:Sr Project EngineerReporting To:Project Engineering ManagerWork Schedule:Onsite - Arvada, COAs a Senior Project Engineer, Test Equipment in our Space & Defense Group in Arvada, CO you will...SeniorFull timeRelocation packageFlexible hours- ...Water Resources Group is searching for an experienced Civil Construction Recruiter to... ...our construction operations across water, wastewater, and heavy civil sectors. This role... ...Located in Colorado, this position supports projects throughout the Upper Midwest and Mountain...Water
- The Senior Cyber Security Engineer protects the company's systems and information by designing, building, and supporting complex security solutions... ...Climate Change and Resilience - Brown and CaldwellData Center Water - Brown and CaldwellEmerging Contaminants and PFAS - Brown...SeniorWaterFull timeTemporary work
$86.1k - $128.5k
...OpportunityWSP is currently initiating a search for Senior Project Manager for our Lakewood, CO; Salt Lake... ...QualificationsBachelor’s degree in engineering, science, or a related major, or... ...the buildings, transportation, energy, water and environment markets. With more than...SeniorWaterContract workFor subcontractorLocal areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Water/Wastewater Senior Project Engineer. Be the first to apply!



