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Part Time Wastewater Jobs in Colorado (NOW HIRING)

Mechanical Engineer

Denver, CO ยท On-site

$126K - $189K/yr

Familiarity with NFPA 820 requirements for HVAC systems serving wastewater treatment plants ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...

... wastewater projects, as needed. Work could include project planning to collect various types of ... Benefits may be prorated for part-time employees. This position will be posted until filled but no ...

... wastewater projects, as needed. Work could include project planning to collect various types of ... Benefits may be prorated for part-time employees. This position will be posted until filled but no ...

CAD Manager

Glenwood Springs, CO ยท On-site

$92K - $124K/yr

... water/wastewater systems for private and municipal clients. Typical projects will require the ... Benefits may be pro-rated for part-time employees. This position will be posted until filled, but ...

Rolloff Container Driver

Arvada, CO ยท On-site

$20 - $25/hr

redbox+ of Northwest Denver, CO is currently in search for a part-time Rolloff Delivery Driver to ... Empty Wastewater Tank at disposal sites * Process customer payments Skills * Excellent time ...

Electrical Engineer

Centennial, CO ยท On-site

$70K - $120K/yr

Design low voltage electrical distribution systems for industrial, water/wastewater, mining and ... part-time, or temporary. Any offer of employment is contingent upon passing pre-employment ...

Electrical Engineer

Centennial, CO ยท On-site

$70K - $120K/yr

Design low voltage electrical distribution systems for industrial, water/wastewater, mining and ... part-time, or temporary. Any offer of employment is contingent upon passing pre-employment ...

Part Time Wastewater information

See Colorado salary details

$16

$27

$40

How much do part time wastewater jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for part time wastewater in Colorado is $27.11, according to ZipRecruiter salary data. Most workers in this role earn between $21.97 and $30.34 per hour, depending on experience, location, and employer.

What is a part time wastewater operator?

Part time wastewater jobs involve working in the treatment, monitoring, and maintenance of wastewater systems, but on a reduced or flexible schedule compared to full-time positions. These roles can include tasks such as operating equipment, collecting water samples, performing basic laboratory tests, and ensuring compliance with environmental regulations. Part time positions are often found with municipal utilities, private contractors, or environmental services companies and can be ideal for individuals seeking flexible work hours or supplemental income. Depending on the employer, some training or certification may be required.

What skills and qualifications are needed to be a part time wastewater operator?

To excel as a Part Time Wastewater Operator, you generally need a high school diploma or equivalent, basic math and science knowledge, and state-specific operator certification. Familiarity with wastewater treatment equipment, laboratory testing procedures, and computerized monitoring systems is typically required. Attention to detail, problem-solving abilities, and effective communication are vital soft skills for success in this role. These competencies ensure compliance with environmental regulations and the efficient, safe operation of wastewater facilities.

What challenges do part time wastewater operators face and how can they manage their workload?

Part-time wastewater operators often face the challenge of balancing their responsibilities within limited working hours, which can make it difficult to stay on top of routine monitoring, maintenance, and reporting tasks. Effective time management and clear communication with full-time staff are essential to ensure that critical processes, such as sampling, equipment checks, and compliance documentation, are completed efficiently. Additionally, staying updated on system changes and regulatory requirements can help part-time operators remain effective contributors to the team. Regular collaboration and briefings with colleagues can also help address any workflow gaps and ensure seamless operations.

What is the difference between Part Time Wastewater vs Part Time Water Treatment Operator?

AspectPart Time WastewaterPart Time Water Treatment Operator
CertificationsWastewater Operator CertificationWater Treatment Operator Certification
Work EnvironmentWastewater treatment plants, sewer systemsWater treatment facilities, water distribution systems
Industry UsageMunicipal and industrial wastewater managementMunicipal and industrial water supply management

Both roles involve operating treatment systems, but wastewater roles focus on sewage and effluent treatment, while water treatment roles handle potable water. The certifications and work environments are similar, making them common comparison points for part-time positions in water industry sectors.

What are the most commonly searched types of Wastewater jobs in Colorado?

The most popular types of Wastewater jobs in Colorado are:

What job categories do people searching Part Time Wastewater jobs in Colorado look for?

The top searched job categories for Part Time Wastewater jobs in Colorado are:

Infographic showing various Part Time Wastewater job openings in Colorado as of August 2026, with employment types broken down into 94% Full Time, 5% Part Time, and 1% Contract. Highlights an 90% Physical, 6% Hybrid, and 4% Remote job distribution, with an average salary of $56,386 per year, or $27.1 per hour.

Water/Wastewater Engineer III/IV/ Senior

Sgm Inc

Glenwood Springs, CO โ€ข On-site

$120K - $153K/yr

Full-time, Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago


Job description

SGM is seeking an experienced Wastewater Engineer in our Glenwood Springs, Colorado office. This position is primarily in-person and based at one of our office locations.  Regular in-office attendance is required and is not considered a remote role. Our ideal candidate will have a strong desire to live, work, and play in Western Colorado and want to be part of a high-performing team that will help forward SGM’s mission to make its clients successful by delivering innovative, practical solutions.  

SGM offers a generous benefits package to full-time employees including medical, dental, vision coverage, employer-paid STD/LTD/Life, HSA/FSA plans, 401k employer match, parental leave, vacation & sick leave, 8 paid holidays, and incentive compensation bonuses. Benefits may be prorated for part-time employees. This position will be posted until filled but no sooner than three days from now.

Pay is dependent on experience level, the anticipated salary range for this position may be as follows:

Engineer III $89,600-$115,600 Engineer IV $105,400 – $131,300 or Senior Engineer I $120,500 – $153,300 per year.  


Principal Duties and Responsibilities:

  • Progressive engineering consulting:
    • Water/wastewater facilities design, and planning projects
    • Water/wastewater operations and startup
    • Hydraulic engineering and water distribution network modeling
    • Safe Drinking Water Act (SDWA) regulations-related consulting
  • Ability to act as a lead client service/relationship manager, specifically with municipal/special district clients
    • Excellent client service skills
    • Pursued and won projects through existing client relationships, strategic business development efforts, and/or responding to project RFPs
    • Successful track record of developing new business
  • Direct staff supervision  
    • Responsibility for direct employee supervision, performance management, and professional development
    • Manage team workload and staffing levels
  • Demonstrate progressive project management with a strong performance record
    • Ability to develop and effectively manage scope, schedule, and budget of projects with engineering fees greater than $200K
    • Ability to coordinate the efforts of multidisciplinary project teams

Qualifications:

  • Current Colorado PE license in civil engineering or related field
  • Master’s degree or equivalent in civil engineering or related field
  • WTF/WWTF Operators License
  • Integrated (or “alternative”) project delivery experience – CMAR, DB, DBO, PPP
  • Construction project administration and oversight experience
  • Municipal engineering experience
  • Demonstrated experience in managing younger staff on technical project assignments
  • Experience authoring technical articles and delivering conference presentations
  • An active member of relevant professional organizations
  • Demonstrated initiative and participation in community involvement and outreach
  • Software experience/proficiency
    • AutoCAD, esp. Civil 3D and Autodesk Plant 3D
    • Water distribution network hydraulic modeling (Innovyze, Bentley)
    • Biological process modeling software (Biowin)
  • Water/wastewater facilities-related permitting
  • Valid Driver’s License

As an equal opportunity employer, SGM realizes that a diverse group of employees will bring a broader range of ideas and a stronger vision to the world of engineering, consulting, and surveying. We are an equal opportunity/affirmative action employer, committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status, or any other protected characteristic under state or local law. CDOT Non-Discrimination in Employment Notice