Job Description

Field Service Technician - Field Service Technician

Job ID: 9594089

Location: Chicagoland Area

Travel Requirements: Up to 30% within central region

Direct Hire, Permanent, Full Benefits

Pay Range: $30-35/hr firm

Flexible Schedule

Company vehicle and tools provided

As a Field Service Representative, you will play a critical role in providing operations and maintenance expertise on water treatment systems for the client . This position involves working with advanced technologies, including:

• Wastewater treatment

• Media filtration

• Softening

• Reverse osmosis (RO)

• Ion exchange (IX)

• De-oxygenation

• Electro-deionization

• Ultrafiltration (UF)

Key Characteristics

To succeed in this role, candidates should demonstrate:

• Strong mechanical knowledge and problem-solving skills.

• Ability to conduct maintenance and calibration activities.

• Confidence in consulting with customer management and operational teams.

• Commitment to ensuring contract compliance for volume and quality specifications.

• Expertise in operating, monitoring, and optimizing equipment performance.

Duties & Responsibilities

• Operate, monitor, and optimize equipment performance.

• Perform preventive and critical maintenance and calibration activities.

• Conduct analytical testing, including pH, COD, DO, Ammonia, ATP, TSS, 30-minute settling tests, and Phosphorus, as well as site-specific testing requirements.

• Review laboratory data and adjust processes accordingly.

• Monitor, adjust, and maintain chemical injection systems.

• Maintain inventory of spare parts and adequate supply of chemicals and replacement parts.

• Troubleshoot mechanical, electrical, and control systems, such as valves, air compressors, ejectors, process pumps, blowers, and instrumentation.

• Create and maintain detailed site paperwork and technical summaries for customers.

• Collaborate with customer management and operations teams to ensure seamless service delivery.

• Ensure compliance with contract specifications for volume and quality.

• Interpret data, maintain records, and make critical decisions.

• Perform other duties as required.

Knowledge, Skills, & Abilities

Required Skills:

• Knowledge of basic wastewater or water treatment systems.

• Proficiency in basic computer skills and Google Suite (or equivalent).

• Strong verbal and written English communication skills.

• Familiarity with preventative maintenance for pumps, bearings, blowers, and general rotating equipment.

Preferred Skills:

• Bachelor’s or Associate’s Degree in Science, Engineering (STEM), or a technical certificate in Instrumentation.

• Experience working with wastewater treatment technologies.

• Possession of a TCEQ Class C Wastewater Operator’s License or higher.

• Basic knowledge of PLC programming and water treatment technologies.

Education & Experience

Required:

• High School Diploma, GED, or equivalent international certification.

• 2+ years of experience in service/maintenance or an equivalent industrial environment.

• Valid driver’s license.

Preferred:

• Bachelor’s or Associate’s Degree in STEM or technical certifications in related fields.

Working Conditions

• Primarily outdoor work in an industrial environment.

• Exposure to industrial hazards, including:

• Beta particle radiation (e.g., Ni 63 radiation source).

• Chemicals, solvents, fumes, odors, and toxic waste.

• Electrical instrumentation, dust, and other industrial elements.

• Position includes hybrid PLC responsibilities in Chicago, with a focus on candidates with strong electrical instrumentation backgrounds and a willingness to travel.

This position is ideal for candidates with technical expertise, a proactive mindset, and a passion for working with advanced water treatment systems.

As part of our promise to talent, Kelly supports those who work with us through a variety of benefits, perks, and work-related resources. Kelly offers eligible employees voluntary benefit plans including medical, dental, vision, telemedicine, term life, whole life, accident insurance, critical illness, a legal plan, and short-term disability. As a Kelly employee, you will have access to a retirement savings plan, service bonus and holiday pay plans (earn up to eight paid holidays per benefit year), and a transit spending account. In addition, employees are entitled to earn paid sick leave under the applicable state or local plan. Click here ( for more information on benefits and perks that may be available to you as a member of the Kelly Talent Community.

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