2026 As400 Developer jobs in Denver,CO

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Substation Equipment Engineer

Aramco

Aurora, CO 80014

~ 28 min Onsite

BS in electrical engineering.
20+ years of professional experience, including years as an engineer responsible for technical work in his field of specialty, that includes experience in sizing, construction, installation and commissioning of high voltage electrical equipment, such as switchgears, motor starter, and transformer equipment, in addition to factory acceptance testing.
Must have excellent communication skills and interpersonal skills
Be willing to transfer implicit knowledge and teach courses to specialists and engineers in the field
With flexibility to travel both domestically and internationally when needed

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Mid-Level Backend Software Engineer

Leidos

Boulder, CO 80301

~ 34 min OnsitePaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master's degree with 2–6 years of experience
US Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph
Professional experience developing object‑oriented applications in Java or Python
Hands‑on experience building and maintaining RESTful APIs
Basic to moderate experience with SQL capability, including writing queries and working with relational databases
Working knowledge of Linux‑based environments
Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

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Store Manager - Soma

SOMA

Lone Tree, CO 80124

Flexible Schedule

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Gas&NGL Planning Engineer

Aramco

Aurora, CO 80014

~ 28 min Onsite

Bachelor's degree in Chemical Engineering.
15+ years of engineering experience in the operation, design or project execution of gas processing, NGL Recovery or fractionation facilities.
Experience in performing economic evaluations, feasibility studies and funding requests.
Experience directing the work of professional consultants and leading teams to complete engineering studies.
Experience in process/system simulation of gas processing and NGL operations.
Able to communicate fluently in English both in writing and orally.

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Mid-Level Backend Software Engineer

Leidos

Denver, CO 80219

OnsitePaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master's degree with 2–6 years of experience
US Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph
Professional experience developing object‑oriented applications in Java or Python
Hands‑on experience building and maintaining RESTful APIs
Basic to moderate experience with SQL capability, including writing queries and working with relational databases
Working knowledge of Linux‑based environments
Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

SmartExplore AI is experimental.

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Loan Sales Specialist

OneMain Financial

Englewood, CO 80112

~ 27 min OnsiteBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

High School Diploma or GED

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Enterprise Architect

KPMG

Aurora, CO 80012

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Project Engineer II - Geotech

GeoStabilization International

Denver, CO 80219

RemoteHealth InsurancePaid Time OffRetirement Benefit

B.S. in Civil Engineering
5+ years of relevant geotechnical or structural engineering experience
Minimum EIT required
Proficiency with Word, Excel, and AutoCAD
Familiarity with slope stability and limit equilibrium software
Ability to work in physically demanding environments and all weather conditions
Ability to travel up to ~30%
Comfortable working from field locations, truck-based setups, or home office as needed

SmartExplore AI is experimental.

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