844 System Administrator jobs in Montclair,CA

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92F Petroleum Supply Specialist

U.S. Army Reserves

Bakersfield, CA 93307

OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time Off

Attend a 21-week paid training program to gain skills and certifications in bulk fueling systems operations, fuel system maintenance, fuel accountability, forecasting, fuel distribution, bulk fuel distribution, petroleum storage, packaged petroleum logistics, petroleum shipment, environmental regulation compliance, hazmat compliance, emergency management, technical inspections, and OSHA regulations.

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New, Posted 17 hours ago

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System Administrator

Foothill Credit Union

Arcadia, CA 91006

$39-$42/hr

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14U1 Air and Missile Defense Crewmember - Entry Level

U.S. Army

Santa Barbara, CA 93101

OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time Off

Attend a 17 to 30 week paid training program to gain skills and certifications in radar systems proficiency, diagnostic abilities, regulatory framework knowledge, computer and electronics proficiency and diagnostics.

SmartExplore AI is experimental.

New, Posted 22 hours ago

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Flatbed CDL-A Regional Driver $1,094.88 – $1,893.03 per week. Off Most Weekends

System Transport

Riverside, CA 92503

$1,893.03/wk

~ 34 min OnsiteUrgently HiringHealth InsurancePaid Time OffRetirement Benefit

Must have a valid Class A CDL
Must be 21 years of age or older
A safe driving record on the road is required.
No more than 6 jobs in the last 3 years
4+ months of driving experience required
Background Check required
Clean Drug Test required
Clean Clearinghouse result required
The driver must be physically able to lift a 90-pound tarp onto a 5-foot high platform twice

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New, Posted 12 hours ago

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Administrative Assistant I or II

Sturgeon Electric California

Chino Hills, CA 91709

$40,000-$50,000/yr

~ 20 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Minimum 1 year of payroll and/or general administrative experience required
High school diploma or GED is required
Ability to maintain a high level of confidentiality
Working knowledge of JD Edwards/payroll system module or equivalent to
Strong working knowledge of Microsoft Word and Excel
Superior organizational skills and the ability to prioritize multiple responsibilities while supporting management
Excellent attention to detail
Flexibility to work in various locations within 10 miles from each other, throughout the week
Regular and predictable attendance
Understand and comply with the Company's Code of Business Conduct and Ethics Policy and other industry-specific professional and ethical standards, if applicable
Pre-employment screening, which may include background check and drug testing

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Project Manager II (On Site Position)

New River Electrical Corporation

Ontario, CA 91758

~ 9 min OnsiteUrgently Hiring

B.S. degree in engineering, construction management, business administration with three (3) years qualified experience, or a minimum of eight (8) years of field supervision or relevant experience
Utility construction experience preferred
Travel for this position is required and will consist of overnight stays
Proficient with Microsoft Office Suite or related software

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Quality Inspector (Second Shift), Intelligence Systems

Anduril Industries

Santa Ana, CA 92704

OnsiteUrgently HiringHealth Insurance

Experience with Calibrated equipment (calipers, micrometers, CMM etc.)
Experience reading and interpreting engineering drawings (wire diagrams, work instructions, CAD)
Geometric Dimensioning and Tolerancing (GD&T;) knowledge, understanding dimension and tolerancing
Experience with inspection of machined parts and mechanical assemblies
Experience with inspection of Electrical and Electronic Components (Power Supplies, PCBs, wire-harnesses)
Experience in a facility with AS9100, ISO9001, IATF 16949 or similar QMS standard
Experience with validation and testing assemblies and their components
Experience with communicating with suppliers and cross functional teams
Eligible to obtain and maintain an active U.S. Secret security clearance

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2nd Shift, Machining Tech II, Heading

Howmet Aerospace

La Puente, CA 91744

$23-$25/hr

~ 26 min OnsiteUrgently HiringHealth InsurancePaid Time OffRetirement Benefit

Minimum 1 year experience as a machinist required
Employee must be legally authorized to work in the United States. Verification of employment eligibility will be required at the time of hire. Visa sponsorship is not available for this position.
This position entails access to export-controlled items and employment offers are conditioned upon an applicant's ability to lawfully obtain access to such items.

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New, Posted 1 day ago

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Entry Level Accounting Clerk

LHH US

Chino, CA 91710

$19-$23/hr

~ 12 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

High school diploma or equivalent required
Minimum 0-2 years of accounting, bookkeeping, accounts payable, accounts receivable, or related experience
Proficiency with Microsoft Excel, including basic formulas and spreadsheets
Ability to maintain confidentiality and handle sensitive financial information professionally

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Mechanical Design and Manufacturing Engineer

Canopy A&D

Ontario, CA 91761

$80,000-$140,000/yr

~ 9 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

4+ years of mechanical design and manufacturing experience, with emphasis on metallic, composites and thermal protection systems (TPS).
Proven leadership in engineering projects involving design, prototyping, and production of mechanical systems, including soft goods and polymer-based components.
Hands-on experience with advanced materials and mechanical components in aerospace or defense applications, including TPS and engineered surface finishes.
Strong understanding of elastomer and composite manufacturing processes, material properties, and relevant aerospace testing standards.
Proficient in CAD software (e.g., SolidWorks) with the ability to produce high-quality, production-ready engineering drawings.
Solid foundation in engineering principles including structures, materials science, thermal management, and mechanical system design.
Skilled in prototyping and fabrication techniques such as machining, composite layups, bonding and mechanical assembly.
Expertise in creating manufacturing and build plans/procedures for variety of customer products and assemblies with respect to industry standards or customer supplied specifications.
Bachelor's degree in mechanical engineering or a related field, or equivalent industry experience in advanced material applications.

SmartExplore AI is experimental.