Set up or operate a variety of drills to remove underground oil and gas, or remove core samples for testing during oi...

Set up and operate cable-tool (percussion) drilling rigs to drill and case oil and gas wells, and obtain formation sa...

Operate and maintain core drilling rigs to extract continuous core samples for geological, geotechnical, mining, or e...

Plan, steer, and execute directional and horizontal wells using MWD/LWD and rotary steerable or motor assemblies, mon...

Operate and supervise oil and gas drilling rigs, setting up equipment, controlling drilling parameters, and directing...

Set up and operate rotary drilling and hydraulic fracturing support equipment to prepare wells, drill out plugs, and ...

Set up and operate exploration drilling equipment to obtain core or chip samples and subsurface data for mineral, gro...

Set up, operate, and maintain sonic drilling rigs to advance casings and obtain continuous core samples for geotechni...

Clean and repair septic tanks, sewer lines, or drains. May patch walls and partitions of tank, replace damaged drain ...

Service, pump, clean, inspect, and repair septic tanks and related piping and drains. Patch tank walls, replace baffl...

Repair, rehabilitate, and replace damaged or clogged sewer lines and related structures. Locate faults, excavate, cut...

Clean, unclog, and maintain sewer pipes and drains. Operate jetting, rodding, and vacuum equipment to remove blockage...

Inspect, clean, and repair stormwater conveyance systems and BMPs. Operate jet/vac and CCTV equipment to maintain sto...

Operate or control an entire process or system of machines, often through the use of control boards, to transfer or t...

Operate and monitor equipment and processes to thicken, dewater, stabilize, store, and load biosolids for transport o...

Operate and control filtration systems and related equipment to remove solids and contaminants from water or wastewat...

Monitor and control water and wastewater treatment and distribution processes via SCADA, adjusting setpoints, respond...

Operate, monitor, and adjust treatment plant processes and control systems to treat and transfer water or wastewater,...

Operate and control wastewater treatment plant processes and equipment, using control systems to treat sewage, manage...

Operate and control potable water distribution systems, using SCADA and field equipment to regulate pumps, valves, an...

Operate and control water treatment plant processes and equipment, using control boards and automated systems, to pro...

Operate, monitor, and maintain water treatment processes and equipment to produce safe, compliant drinking water usin...

Design or implement programs and strategies related to water resource issues such as supply, quality, and regulatory ...

Design and manage water quality monitoring, assessment, and compliance programs for drinking water, wastewater, storm...

Design, analyze, and implement engineering solutions and programs for water supply, water quality, watershed health, ...

Plan, design, and implement programs and strategies to manage water resources, including supply, quality, conservatio...

Plan and coordinate long-range water supply, watershed, and infrastructure strategies; analyze data and models; devel...

Perform on-site water damage mitigation and structural drying for homes and businesses, including extraction, cleanup...

Design and implement strategies to secure, allocate, and manage water rights, ensuring legal compliance and reliable ...

Study the origins, behavior, diseases, genetics, and life processes of animals and wildlife. May specialize in wildli...

Study animal behavior, cognition, communication, social dynamics, and welfare in natural and managed environments. De...

Conservation Biologists study and protect biodiversity by assessing threats to species and ecosystems, monitoring pop...

Study the origins, behavior, diseases, genetics, ecology, and life processes of insects and related arthropods. May s...

Study the biology, behavior, diseases, genetics, and life processes of fish and other aquatic organisms. Conduct stoc...

Study the origins, behavior, diseases, genetics, and life processes of reptiles and amphibians. Specialize in researc...

Study the origins, behavior, physiology, diseases, genetics, and life processes of fishes in marine and freshwater sy...

Study the origins, behavior, diseases, genetics, and life processes of marine organisms and their ecosystems. May spe...

Study the origins, behavior, ecology, diseases, genetics, and life processes of birds. Specialize in avian research a...

Conduct field and laboratory research on wild animal populations to understand their behavior, health, genetics, and ...

Study the origins, behavior, physiology, diseases, genetics, and life processes of animals in the wild and in captivi...