Part-Time

Water / Wastewater Operator

Field Services & Treatment Systems

Updated on 8/18/2026

Apex Companies

Apex Companies

1,001-5,000 employees

National environmental consulting and engineering firm

No salary listed

No H1B Sponsorship

Remote in USA + 2 more

More locations: Greensburg, PA, USA | Somerset, PA, USA

Hybrid

Must reside in or be willing to relocate to the Somerset, Pennsylvania area; travel to client sites is required.

Category
Facilities Operations (1)
Required Skills
OSHA

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Requirements
  • Prior experience in water or wastewater treatment plant operations, system maintenance, or related environmental services is preferred.
  • A Pennsylvania Water/Wastewater Operator License is required, or the ability to obtain one within one year.
  • Working knowledge of water and wastewater treatment processes, including chemical feed systems, sampling, and process control.
  • Experience performing preventive maintenance and troubleshooting mechanical and electrical equipment, including pumps, motors, blowers, valves, and control systems.
  • Strong understanding of plant operations, distribution systems, and lift stations.
  • Ability to monitor system performance, interpret data, and identify operational issues in real time.
  • Proficiency in collecting and analyzing water and wastewater samples and maintaining accurate records and reports.
  • Familiarity with regulatory compliance requirements, including Environmental Protection Agency, Occupational Safety and Health Administration, and state environmental standards.
  • Strong mechanical aptitude with the ability to perform general repairs and maintenance activities.
  • Ability to work independently in the field and collaboratively with team members and clients.
  • Strong problem-solving skills and ability to troubleshoot under pressure.
  • Effective communication skills, including the ability to prepare clear written reports.
  • A valid driver's license and clean driving record are required.
  • Ability to perform physically demanding work, including lifting, climbing, and working in outdoor environments in varying weather conditions.
  • Must reside near Somerset, Pennsylvania, or be willing to relocate to the Somerset, Pennsylvania area.
  • Visa sponsorship is not available now or in the future.
Responsibilities
  • Travel to client sites to perform operational evaluations of water and wastewater treatment facilities, lift stations, and related infrastructure.
  • Monitor and evaluate treatment system performance, including pumps, motors, meters, gauges, and process control systems.
  • Collect, test, and analyze water and wastewater samples; interpret results to assess treatment performance and compliance.
  • Review and optimize treatment processes, including chemical feed systems and dosing, to improve efficiency and reliability.
  • Perform preventive maintenance and corrective repairs on treatment systems, distribution systems, and equipment.
  • Inspect, troubleshoot, and repair mechanical and electrical components, including pumps, blowers, valves, and control systems.
  • Monitor system conditions, identify operational issues, and respond to alarms, equipment failures, and emergency conditions.
  • Clean, maintain, and service tanks, wet wells, booster stations, and other facilities.
  • Record and maintain accurate operational data, maintenance logs, and inspection reports using computerized and manual systems.
  • Prepare clear written reports and communicate findings, recommendations, and corrective actions to supervisors and project managers.
  • Assist with system startups, process adjustments, inspections, and routine operations.
  • Coordinate materials, spare parts, and equipment needed for maintenance and operational activities.
  • Operate company vehicles and equipment safely in accordance with company policies.
  • Ensure compliance with all applicable environmental regulations, permits, and safety requirements, including Environmental Protection Agency, Occupational Safety and Health Administration, and state standards.
  • Follow all health and safety procedures, including proper use of personal protective equipment.
  • Collaborate with team members and clients to identify operational improvements and implement best practices.
Desired Qualifications
  • Prior experience in water or wastewater treatment plant operations, system maintenance, or related environmental services.
  • Experience using computerized maintenance management systems, supervisory control and data acquisition systems, or similar operational software.

Apex Companies provides environmental consulting and engineering services to public agencies and private clients across all 50 states. Its offerings include water resources management, environmental remediation, health and safety, compliance assurance, ESG advisory, and infrastructure engineering, delivering work from site assessments to managing complex projects. A key differentiator is the breadth of services across environmental, health and safety, and ESG, plus its ARTEMIS data-management platform that organizes environmental information for risk mitigation and lending. The company aims to help clients manage environmental risk, achieve regulatory compliance, and efficiently complete projects while expanding its national footprint.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Rockville, Maryland

Founded

1988

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Simplify Jobs

Simplify's Take

What believers are saying

  • Apex earned Zweig’s 2026 Hot Firm No. 28 ranking, signaling strong growth momentum.
  • Tully and CWE expanded Apex’s stormwater, civil engineering, and California footprint in 2026.
  • March 2026 and February 2026 acquisitions broadened Apex’s municipal and private-market project pipeline.

What critics are saying

  • Private equity ownership pressures Apex to chase integrations and leverage before 2027.
  • Apex’s acquisition spree risks cultural friction and margin dilution across California, Florida, and Intermountain West.
  • A single failed integration or buyer slowdown could break Apex’s roll-up story and stall growth.

What makes Apex Companies unique

  • Apex combines water, environmental, and infrastructure services under one national platform.
  • Morgan Stanley Capital Partners backs Apex, enabling acquisitions like Tully and CWE in 2026.
  • Apex’s ARTEMIS data tools and stormwater lifecycle expertise deepen client lock-in.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Company Match

Paid Vacation

Paid Sick Leave

Relocation Assistance

Growth & Insights and Company News

Headcount

6 month growth

17%

1 year growth

17%

2 year growth

17%
Apex Companies
Mar 18th, 2026
Apex Companies Acquires CWE

Apex Companies announced the acquisition of CWE, an award-winning civil infrastructure, water resources, and environmental engineering services firm with multiple offices in California.

Associated Press
Feb 17th, 2026
Apex Companies Acquires Tully, Inc.

Adds to Core Stormwater Strength and Enhances Ability to Deliver the Full Stormwater Lifecycle in Northern California

EIN News
Jan 5th, 2026
Raincatcher Advises AquaWorks DBO on Its Acquisition by Apex Companies

Raincatcher, a national mergers and acquisitions advisory firm serving small to mid-size businesses, served as the exclusive sell-side advisor to AquaWorks DBO,

EIN News
Nov 3rd, 2025
Apex Companies Acquires Forsgren Associates, Inc.

Bolsters Engineering Depth and Extends Operational Presence in Intermountain West

EIN News
Nov 26th, 2024
Apex Acquires Weiler Engineering in Florida

Apex Companies, LLC has acquired Weiler Engineering Corporation, a Florida-based engineering firm. This acquisition enhances Apex's engineering capabilities and strengthens its presence in Florida. Weiler Engineering, with over 45 professionals, brings expertise in civil, structural, and utilities engineering. This move follows Apex's recent acquisitions of Johnson Engineering and Water Science Associates, further expanding its services in the municipal and private markets.