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Master Key Jobs in California (NOW HIRING)

Ontic

Master Scheduler

Los Angeles, CA · On-site

Key Responsibilities * Develop, publish, and maintain the Master Production Schedule (MPS) using Visual ERP based on contract demand, forecasts, and inventory strategies. * Analyze order feasibility ...

Onto

Master Scheduler

Milpitas, CA

$76K - $114K/yr

Key Responsibilities * Master Schedule Ownership: Develop, maintain, and communicate the master production schedule across all product lines and factories. Ensure alignment with demand forecasts and ...

Onto

Master Scheduler

Milpitas, CA · On-site

$76K - $114K/yr

Key Responsibilities * Master Schedule Ownership: Develop, maintain, and communicate the master production schedule across all product lines and factories. Ensure alignment with demand forecasts and ...

Ontic

Master Scheduler

Chatsworth, CA · On-site

Key Responsibilities * Develop, publish, and maintain the Master Production Schedule (MPS) using Visual ERP based on contract demand, forecasts, and inventory strategies. * Analyze order feasibility ...

SPX

Master Planner

Fremont, CA · On-site

How you will make an Impact (Job Summary) The Master Planner at TCI supports operational continuity ... Monitor key planning metrics (OTD, inventory levels, lead times, shortages) and drive continuous ...

Grocery Outlet

Vendor Master Coordinator

Emeryville, CA · On-site

$30/hr

We analyze data, create records and reports, and make key strategic decisions to keep the business ... The Vendor Master Coordinator is responsible for the onboarding and maintenance of business partner ...

ATALNT LLC

Master Automotive Technician

Indio, CA · On-site

$22 - $30/hr

Key Responsibilities * Review and interpret work orders in collaboration with service advisors ... Master level with a minimum of 5 years) * Valid driver's license with a clean driving record

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Master Key information

What is a master key?

A Master Key is a specialized key designed to open multiple locks within a building or facility, even though each lock may also have its own unique key. This system is commonly used in commercial buildings, hotels, and large residential complexes to allow authorized personnel, such as maintenance staff or managers, access to all or selected areas. The use of master keys simplifies security management but also requires strict control to prevent unauthorized access. Master key systems are typically managed by locksmiths and security professionals. Regular audits and secure storage of master keys are essential to ensure the safety and integrity of the system.

What are some common challenges faced by professionals in the master key role within the hospitality industry?

Professionals entrusted with the Master Key in hospitality environments, such as hotels, often face the challenge of maintaining a high level of security and accountability. They must strictly adhere to protocols when accessing guest rooms or restricted areas, ensuring privacy and safety. Balancing quick response to guest needs with careful documentation and authorization can be demanding, especially during busy periods. Strong attention to detail, integrity, and communication skills are essential for success in this role.

What are the key skills and qualifications needed to thrive as a master key system locksmith, and why are they important?

To thrive as a Master Key System Locksmith, you need expertise in lock mechanisms, keying systems, and security protocols, usually supported by locksmith certification or apprenticeship. Proficiency with key cutting machines, lock-picking tools, and key management software is often required. Attention to detail, problem-solving abilities, and strong customer service skills set outstanding locksmiths apart. These skills are crucial for ensuring security, accuracy, and client trust in managing complex master key systems.

What is the difference between Master Key vs Locksmith?

AspectMaster KeyLocksmith
Required CredentialsOften no formal certification, but some may have security or locksmith licensesTypically requires locksmith licenses or certifications
Work EnvironmentDesigning and managing master key systems, often in security or facilities managementInstalling, repairing, and opening locks in various settings
Industry UsageUsed in security management, property management, and facilitiesUsed in security services, hardware stores, and maintenance

The main difference is that a Master Key refers to a system or key that grants access to multiple locks, often managed by a security or facilities team. A locksmith, on the other hand, is a professional who installs, repairs, and opens locks. While locksmiths may create master keys, the Master Key role is more about system management rather than hands-on lock work.

What are popular job titles related to Master Key jobs in California?

For Master Key jobs in California, the most frequently searched job titles are:

What job categories do people searching Master Key jobs in California look for?

The top searched job categories for Master Key jobs in California are:

What cities in California are hiring for Master Key jobs?

Cities in California with the most Master Key job openings:

Master Key jobs near you
Infographic showing various Master Key job openings in California as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 100% In-person job distribution.

Master Scheduler

Ontic

Los Angeles, CA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 24 days ago

Job description

We are a fast-paced business with ambitious growth plans; so if you are dedicated, enthusiastic and always seeking ways to improve, you'll enjoy a career with us!

Ontic is a leading global aerospace OEM trusted by the world's aviation leaders. Ontic's Chatsworth, CA, site specializes in precision engineering, MRO, and new solutions for parts at risk of obsolescence. With over 1,400 employees across four time zones and seven sites, we have more than doubled in size since 2019 and are continuing to grow at pace.

Our team is hiring a Master Scheduler at Ontic Chatsworth office.

The Master Scheduler is a senior-level individual contributor role responsible for development, management, and execution of the Master Production Schedule (MPS) in a highly regulated aerospace manufacturing environment. This role ensures that production schedules align with material readiness, capacity constraints, engineering releases, and customer delivery commitments. The position requires advanced planning expertise, ERP proficiency, and the ability to proactively manage risk within complex supply chains.


Key Responsibilities

  • Develop, publish, and maintain the Master Production Schedule (MPS) using Visual ERP based on contract demand, forecasts, and inventory strategies.
  • Analyze order feasibility based on capacity, material availability, engineering readiness, and quality status.
  • Integrate sales orders into Visual to drive accurate scheduling and ensure alignment between demand and production.
  • Perform finite capacity planning across work centers and value streams to support delivery commitments.
  • Apply bottleneck management and Theory of Constraints (TOC) principles to optimize throughput and flow.
  • Maintain total demand visibility and drive Clear-to-Build (CTB) status by identifying shortages and coordinating resolution with Procurement.
  • Balance production demand with inventory objectives to prevent both shortages and excess.
  • Collaborate with engineering and quality to prevent material holds, disposition delays, or configuration errors.
  • Control and execute effectivity dates for ECNs and ECOs to avoid disruption to active production orders.
  • Participate in customer meetings related to delivery status, schedule risk, and recovery planning.
  • Support Sales and Customer Service by maintaining accurate lead times and promise dates.
  • Work with Value Stream leadership and Sales to develop and validate forecast demand requirements.
  • Conduct monthly forecast maintenance, analysis, and revisions.
  • Identify scheduling process gaps and recommend continuous improvement initiatives to improve efficiency and delivery reliability.
  • Determine production priorities when labor, capacity, or materials are constrained.


Qualifications

  • High school diploma or technical degree required; Bachelor's degree preferred.
  • Minimum 3 years of Master Scheduling or 7+ years of production planning and scheduling experience or a combination of both in manufacturing; aerospace experience strongly preferred.
  • Advanced experience working with ERP/MRP systems (Visual preferred).
  • Strong understanding of capacity planning, demand management, and material planning.
  • Ability to work independently with minimal supervision.
  • Strong problem-solving and analytical skills in high-pressure environments.
  • Excellent communication across all organizational levels.
  • Proficient in Microsoft Excel, Outlook, and Word.
  • APICS CPIM certification a plus.

Our Benefits:

  • Comprehensive medical insurance
  • Competitive PTO, holiday pay, and sick leave
  • Company 401K plan with up to 4% matched contribution
  • Annual bonus program (varies by level and discretionary based on company and individual performance)
  • Flexible working arrangements
  • Paid volunteering opportunities
  • Access to mental health champions across our sites
  • Commitment to development
  • Employee referral program

#LI-Onsite

EOE/Minority/Female/Sexual Orientation/Gender Identity/Disability/Veteran

Compensation Pay Range

90K-115K

Please click here to review Ontic's California Consumer Privacy Act policy.

Ontic Engineering and Manufacturing Inc. is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran
Status, or any other characteristic protected by applicable federal, state, or local law.

This position must meet export control compliance requirements. To meet export control compliance requirements, a "U.S. Person " as defined by 22. C.F.R. 120.15 is required. "U.S. Person" includes U.S. Citizen, lawful permanent resident, asylee, or refugee.

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