1mo
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Tree Climber
Firestone, Colorado, United States
$26-$32/hr FieldFull Time
Experience climbing and pruning large trees, operating chainsaws and aerial lifts, knowledge of tree care safety standards, ability to lift up to 50 lbs, valid U.S. driver's license, authorization to work in the U.S.; CDL is a plus.
chainsaws, aerial lifts (bucket trucks)
2mo
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Tree Trimmer
Brighton, Colorado, United States
OnsiteFull Time
0+ YOEExperience in tree trimming or line clearance; high school preferred; CPR/First Aid required or must obtain within 90 days; valid driver's license preferred; able to work near energized lines; willingness to travel; English required.
1mo
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Tree Climber
Sheridan or Denver
$27-$32/hr OnsiteFull Time
Entry-level climber performing pruning, limb removal, equipment operation, and safe tree work; must be able to work outdoors, follow safety protocols, and become certified in EHAP/First Aid/CPR. Driver's license required if operating company vehicles.
chippers, trucks, blowers, chainsaw, mowers, trimmers, edgers, hand saws, pole pruners, pole saws
3w
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Tree Climber - IMMEDIATELY HIRING
Denver, Colorado, United States
$25-$32/hr OnsiteFull Time
4+ YOEHS diploma/GED, valid driver\u0002s license, 4+ years tree climbing/rigging/removal experience, understanding of aerial lift and ANSI tree care standards, ability to work 40+ hours/week.
3w
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Tree Care Coordinator | SE Denver
Denver, Colorado, United States
$34-$40/hr OnsiteFull Time
3+ YOE3+ years climbing arborist experience, First Aid and CPR certification, valid driver's license, proven safety and leadership skills, ability to mentor and train climbing arborists.
Origami
1w
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Small Tree Worker - Parks Steward
Aurora, Colorado, United States
$18/hr OnsitePart Time
0.5+ YOEHigh school/GED, ~6 months manual labor experience, valid driver's license, ability to lift up to 100 lbs, operate park/forestry equipment; CPR/First Aid preferred; Colorado pesticide training or ability to obtain within 2 months for Open Space.
Microsoft Outlook, Microsoft Word, Microsoft Excel, GIS
1mo
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Caregiver-Lone Tree
Lone Tree or Centennial or Denver
$20/hr OnsitePart Time
Experience preferred but training provided. Must assist with personal hygiene, mobility support, meal preparation, basic housekeeping, and provide companionship to clients in their homes.
3w
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TREE Program Youth Treatment Counselor
Denver, Colorado, United States
$23-$26/hr OnsiteFull Time
B.A. in human services or equivalent, ability to implement IEPs/treatment plans, complete pre-employment screens, possess or obtain Colorado driver's license; experience with special needs youth preferred.
2mo
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Medical Office Specialist - Lone Tree
Denver, Colorado, United States
$19-$27/hr OnsiteFull Time
0+ YOELess than one year experience required; one to three years preferred.
4w
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Electrical Engineer - Data Center (Lone Tree, CO, US)
Lone Tree or Lenexa or Dallas or Denver
$100k-$150k/yr FieldFull Time
10+ YOEBachelor's in electrical engineering, 10+ years experience, 3+ years in data center/mission critical market, experience managing third-party engineering firms, large-scale program support (up to 1GW), knowledge of power distribution and codes.
1w
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Shift Runner(06279) - 4650 Signal Tree Dr, Bldg A
Timnath, Colorado, United States
OnsiteFull Time
Operate kitchen equipment, stock and rotate ingredients, prepare products, process orders, perform inventory and cleaning, lift and carry, and safely drive for deliveries.
3w
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Merchandiser (Elizabeth, Parker, Castle Rock, South/East Aurora, Littleton, Lone Tree)
Denver or Elizabeth or Parker or Castle Rock or Aurora or Littleton or Lone Tree
$25/hr FieldFull Time
Must be 18+, have a valid U.S. driver’s license, proof of insurance, personal transportation, and pass a physical capabilities test if applicable; background check and drug screen required.
3w
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Merchandiser (Elizabeth, Parker, Castle Rock, South/East Aurora, Littleton, Lone Tree)
Denver, Colorado, United States
$25/hr FieldFull Time
Must be 18+, able to lift 20-45 lb, pass physical capability test, have personal transportation, valid U.S. driver's license and insurance, pass background check and drug screen, and perform merchandising tasks using handheld devices.
U Boats, hand trucks, pallet jacks, hand held devices
3mo
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Lawn Technician 2026
Greeley, Colorado, United States
$18-$30/hr OnsiteFull Time
0+ YOEEntry-level lawn and tree care technician; valid driver’s license; reliable transportation; 21+; able to pass drug screening.
Driver's License, Vehicle
1mo
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Líder de Grupo Arborista
Boulder, Colorado, United States
$25-$35/hr FieldFull Time
3+ YOE3+ years tree-climbing experience (DdRT or SRT), valid driver’s license (Class B CDL preferred), ability to work outdoors year-round, crew supervision and equipment handling skills.
DdRT, SRT, chainsaw, wood chipper, aerial lift, rigging, hand tools, PPE
2w
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Applied Data Scientist
Santa Rosa or Loveland or Barcelona
$109k-$196k/yr OnsiteFull Time
1+ YOEMaster's or PhD in a quantitative field, 1+ years data science experience, strong Python and SQL skills, experience with Snowflake/Databricks, tree-based ML, Bayesian Optimization, and building scalable data infrastructures.
Python, pandas, numpy, scikit-learn, SQL, C++, Snowflake, Databricks, XGBoost, LightGBM, Random Forests, Bayesian Optimization
3w
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Forestry Technician, Northeast Region
New York or Vermont or New Hampshire or Maine or New York City or Denver
$25-$30/hr FieldContract, Seasonal
Ability to perform independent, physical fieldwork in rugged terrain; valid U.S. driver’s license and reliable vehicle (4x4 preferred); high school diploma; proficiency with smartphone, GPS, and digital cameras; strong tree ID skills.
smartphone, GPS, digital camera, compass, clinometer
1mo
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Arborist Crew Leader
Boulder, Colorado, United States
$25-$35/hr FieldFull Time
3+ YOE3+ years tree climbing (DdRT or SRT) and aerial lift experience, valid driver's license (Class B CDL preferred), ability to work outdoors year-round, crew supervision experience, safety-focused and team-oriented.
hand tools, chainsaws, chippers, aerial lifts, PPE
1mo
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Engineer Principal – Embedded Software
Boulder or Westminster or Broomfield or Colorado or United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBS in engineering +6 years (or equivalent), active/top secret SCI clearance, experience with Rust, C/C++, Python, Embedded Linux, Yocto/PetaLinux, device tree, MQTT/ZeroMQ, UML, CI/CD and formal software development practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, Linux, FPGAs, MQTT, ZeroMQ, PetaLinux, Yocto, Yocto Project, OpenEmbedded, Device tree, UML, Protobuf, FlatBuffers, MATLAB, Cameo, PlantUML, DevSecOps, gtest, ctest
3mo
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Groundskeeper, Long Term Care - PRN/As needed
Loveland, Colorado, United States
$15-$23/hr OnsitePart Time
Perform grounds maintenance including lawn care, snow removal, basic tree trimming, sprinkler and parking lot repairs; operate heavy and light equipment and perform basic trades work. Trade school or vocational training desired; six months equipment experience preferred.
Bobcat, power brooms, snow removal equipment, hand tools, power tools, lifts