475 Professional Level Systems Engineer jobs in Ballwin,MO

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Mid-Level Backend Software Engineer

Leidos

Chesterfield, MO 63006

~ 16 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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HVAC Truck Based Service Controls Engineer

Johnson Controls

Saint Louis, MO 63129

$36.59-$50.29/hr

~ 25 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Demonstrated knowledge HVAC industry.
Demonstrated knowledge of control theory, automatic temperature controls, building automation systems and other building subsystems.
Demonstrated experience in the integration of low voltage building sub-systems using various industry protocols (i.e., LON, BACnet, etc.).
Ability to relate technical knowledge to a non-technical audience.
Demonstrated advanced computer skills required, particularly computer-related drafting tools.

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Mid-Level Backend Software Engineer

Leidos

Ballwin, MO 63011

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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Information Systems Technician

U.S. Navy

Ballwin, MO 63021

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Aircraft Component Repair Technician 3 (Second Shift)

Gulfstream Aerospace Corporation

Saint Louis, MO 63129

$31.06-$36.24/hr

~ 25 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

High School Diploma or GED required
A&P license, FCC license, or NCATT cert preferred
Able to read/interpret blueprints, engrg docs and use/read precision measuring tools
Proficient in the operation of all tools & equip in the dept
Basic understanding of shop math
4 years experience in one of the following or other related exp: Sheetmetal , hydraulic overhaul, avionics/elect compo repair
Accredited schooling in electronics and elect sys may offset some experience reqmts
APU removal, install, service
This will be a 2nd shift position
Must be able to read, write, speak, and understand the English language
Requisition Number: 233862
Category: Service Center
Percentage of Travel: Up to 25%
Shift: Second
Employment Type: Full-time

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New, Posted 1 day ago

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Border Patrol Agent (Entry Level) – Up to $60,000 Hiring Bonus

United States Customs and Border Protection

Waterloo, IL 62298

$49,739-$89,518/yr

$60,000 bonus

Bilingual Preferred

New, Posted 12 hours ago

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Residential Sales Representative

Spectrum

Maryland Heights, MO 63043

$100,000/yr

~ 27 min OnsiteUrgently HiringBilingual Preferred

A valid driver's license, car insurance, a satisfactory driving record, and the use of a reliable personal vehicle
High School Diploma or equivalent work experience
Ability to read, write, speak, and understand multiple languages (English and Spanish)
Must be able to work evenings and weekends, and as business needs dictate to maximize prospective customer contact
Ability to travel (including during inclement weather) to and from assigned territories and company facilities
Spend approximately 90% of time outdoors in all seasons, with potential exposure to inclement weather
Must be lawfully able to work in the U.S. without employment-based immigration sponsorship, now or in the future

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New, Posted 7 hours ago

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Entry Level Management

DiFilippo Offices

Saint Louis, MO 63129

$75,000-$90,000/yr

~ 25 min Onsite

Driver License
Minimum Age 18
No experience
Background Check

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New, Posted 3 hours ago

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Border Patrol Agent (BPA) Entry Level - New Hire Sign-On and Retention Incentives

U.S. Customs and Border Protection

Ballwin, MO 63011

$51,632-$92,219/yr

Bilingual Preferred

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Senior Site/Civil Engineer

Gonzalez Companies

Manchester, MO 63021

OnsiteHealth InsurancePaid Time OffRetirement Benefit

Licensed Professional Engineer (PE) in Illinois or Missouri (required).
Strong technical background in site/civil engineering, with expertise in drainage and stormwater management.
Demonstrated ability to lead a department or project team, including mentoring staff and managing resources.
Proven programmatic client experience, with success managing multi-project or multi-year client relationships.
Excellent technical writing and verbal communication skills – able to articulate detailed engineering concepts to diverse stakeholders.
Track record of business development, strategic networking, or developing a book of business.
Excellent communication, leadership, and decision-making skills.
Ability to balance hands-on technical work with big-picture planning and team management.

SmartExplore AI is experimental.