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Class 4 Engineer Jobs (NOW HIRING)

St. Clair Hospital

Stationary Engineer

Pittsburgh, PA · On-site

Stationary Engineer license OR Power Engineer License (minimum Class 4) Preferred Qualifications * Previous hospital plant operations experience. * Previous experience with an automated energy ...

St. Clair Hospital

Stationary Engineer

Pittsburgh, PA · On-site

Stationary Engineer license OR Power Engineer License (minimum Class 4) Preferred Qualifications * Previous hospital plant operations experience. * Previous experience with an automated energy ...

University of Pittsburgh

Operating Engineer

Pittsburgh, PA · On-site

$67K - $91K/yr

This position requires a minimum class 4 City of Pittsburgh Power Engineers License or equivalent NIULPE, Universal CFC Certification, preferred five years' experience as a licensed stationary or ...

University of Pittsburgh

Operating Engineer

Pittsburgh, PA · On-site

$64K - $87K/yr

This position requires a minimum class 4 City of Pittsburgh Power Engineers License or equivalent NIULPE, Universal CFC Certification, preferred five years' experience as a licensed stationary or ...

University of Pittsburgh

Operating Engineer

Pittsburgh, PA · On-site

$67K - $91K/yr

This position requires a minimum class 4 City of Pittsburgh Power Engineers License or equivalent NIULPE, Universal CFC Certification, preferred five years' experience as a licensed stationary or ...

Diamond Foundry

Principal Equipment Engineer

Bodega Bay, CA · On-site

$150K - $180K/yr

Enforce rigorous engineering controls for Class IV lasers, chemical hazards, and high-temperature systems. * Mentorship & Support: Act as a technical resource for maintenance technicians and mentor ...

Aquaamerica

Facility Operator Trainee

Crete, IL · On-site

$30/hr

... engineers who help ensure we're delivering reliable water and wastewater services to our ... FO I - Minimum license requirement of Class 4 water or Class 4 wastewater. * FO II - Minimum ...

Aquaamerica

Facility Operator I

Richmond, VA · On-site

$38.11/hr

... engineers who help ensure we're delivering reliable water and wastewater services to our ... FO I - Minimum license requirement of Class 4 water or Class 4 wastewater. * FO II - Minimum ...

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Class 4 Engineer information

What is the difference between Class 4 Engineer vs Class 3 Engineer?

CriteriaClass 4 EngineerClass 3 Engineer
Required CertificationsClass 4 Engineer license, relevant technical trainingClass 3 Engineer license, advanced technical certifications
Work EnvironmentOperational roles in power plants, industrial facilitiesSupervisory or specialized technical roles in similar settings
Employer & Industry UsagePower generation, manufacturing, utilitiesPower plants, industrial sectors, utility companies

The main difference between a Class 4 Engineer and a Class 3 Engineer lies in their certification levels and responsibilities. Class 4 Engineers typically hold entry-level licenses and perform operational tasks, while Class 3 Engineers have more advanced certifications and may oversee or troubleshoot complex systems. Both roles are essential in power and industrial industries, but Class 3 Engineers generally have greater technical authority and experience.

What cities are hiring for Class 4 Engineer jobs?

Cities with the most Class 4 Engineer job openings:

What are popular job titles related to Class 4 Engineer jobs?

For Class 4 Engineer jobs, the most frequently searched job titles are:

Infographic showing various Class 4 Engineer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 63% Full Time, 35% Part Time, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution.

Space Force Basing and Beddown Support Services

Arlington, VA • On-site

Collins Consulting
Professional, Scientific, and Technical Services • 51 - 200 employees
Learn more about Collins Consultingexternal

Other

Re-posted 14 hours ago

Job description

Strategic Basing Engineer + Architect/Planner

Must be a US Citizen who currently possesses a Secret Clearance. The is an onsite position. Position Description: Strategic Basing Engineer + Architect/Planner with DAF strategic basing experience and expertise who applies advanced engineering/architecture, infrastructure analysis, and to evaluate, plan, and execute the beddown of military units, weapon systems, and mission-critical assets. Translate mission requirements to facility and infrastructure requirement documents with cost estimates and draft DD1391s for Military Construction (MILCON) and/or Facilities Sustainment, Restoration, and Modernization (FSRM) programs to implement Approved Basing Decisions. Provide support to U.S. Space Force (USSF) strategic basing initiatives through the development of Class 4 and/or 5 cost estimates and execution of expanded planning, engineering, and architectural analysis. Prepare high impact staff packages, including summary sheets, presentations, congressional responses, and white papers, integrating technical inputs from the assigned engineer and architect to inform senior leadership decisions and promote transparency across stakeholders.

Required Skills:

  • Bachelor's degree in Engineering, Architecture or Planning Discipline is required
  • Minimum of 10 years' experience with a broad knowledge of DAF and DOD corporate processes, USSF/S4 strategic partnerships include OSD, HAF, SAF/IE, AF/A4C, AFIMSC, AFCEC.
  • Facilities project execution and oversight experience in DoW
  • Specific experience with developing Class 4 and 5 estimates

Preferred Skills:

  • Headquarters experience with staffing approval packages for facility requirements.
  • Civil Engineer experience in the US Air Force or US Space Force highly desired.

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