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Assistant Chief Operating Officer Jobs in California

ExThera Medical

Chief Operating Officer

Martinez, CA · On-site

Position Overview ExThera Medical is seeking a strategic and execution-oriented Chief Operating Officer (COO) with a strong quality background to lead and scale our operations. This role is critical ...

The People Brand

Chief Operating Officer

Los Angeles, CA · On-site

$225K - $250K/yr

... Chief Operating Officer to partner closely with the CEO in scaling the organization while ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

Allview Real Estate

COO

Newport Beach, CA · On-site

$150 - $185/hr

Chief Operating Officer AllView is building a vertically integrated real estate and home services platform across property management, brokerage, investment syndication, construction/home services ...

The People Brand

Chief Operating Officer

Los Angeles, CA · Hybrid

$225K - $250K/yr

... Chief Operating Officer to partner closely with the CEO in scaling the organization while ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

The People Brand

Chief Operating Officer

Los Angeles, CA · Hybrid

$225K - $250K/yr

... Chief Operating Officer to partner closely with the CEO in scaling the organization while ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

The People Brand

Chief Operating Officer

Los Angeles, CA · On-site

$225 - $250/hr

As the business enters its next phase of growth, they are seeking a strategic Chief Operating Officer to partner closely with the CEO in scaling the organization while preserving the entrepreneurial ...

LHH US

Chief Operating Officer

Roseville, CA

$140K - $155K/yr

LHH is assisting a mission-driven nonprofit organization who seeks an experienced operational executive to serve as Chief Operating Officer (COO) and a key member of the executive leadership team.

New

LHH US

Chief Operating Officer

Roseville, CA · On-site

$140K - $155K/yr

LHH is assisting a mission-driven nonprofit organization who seeks an experienced operational executive to serve as Chief Operating Officer (COO) and a key member of the executive leadership team.

New

Olyns Inc.

Chief Operating Officer (COO)

Santa Clara, CA · On-site

$250 - $420/hr

The Chief Operations Officer (COO) at Olyns will be responsible for designing, implementing, and leading our strategic and tactical operations. You will oversee all aspects of Olyns Cube field ...

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Assistant Chief Operating Officer information

See California salary details

$29.6K

$81.1K

$152.5K

How much do assistant chief operating officer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for assistant chief operating officer in California is $81,070.00, according to ZipRecruiter salary data. Most workers in this role earn between $53,800.00 and $98,700.00 per year, depending on experience, location, and employer.

What are some typical challenges an assistant chief operating officer faces when coordinating between multiple departments?

Assistant Chief Operating Officers often encounter challenges in aligning the priorities and workflows of different departments, especially in large organizations. Effective communication and negotiation skills are crucial, as the role requires balancing department-specific objectives with broader organizational goals. Additionally, managing resource allocation and resolving conflicts between teams are common responsibilities. Building strong relationships with department heads and fostering a collaborative culture can help overcome these challenges and ensure smooth operations.

What is the difference between Assistant Chief Operating Officer vs Chief Operating Officer?

AspectAssistant Chief Operating OfficerChief Operating Officer
ResponsibilitiesSupports and assists in overseeing daily operations, implementing strategies, and managing departments under the COO's guidance.Leads overall company operations, develops strategic plans, and makes high-level decisions to ensure organizational success.
Required CredentialsTypically requires a bachelor's degree in business or related field; often an MBA or similar advanced degree; extensive experience in operations management.Similar credentials as the Assistant COO, with more extensive leadership experience and a track record of strategic decision-making.
Work EnvironmentOffice-based, collaborating closely with department heads and executive team.Office-based with frequent high-level meetings, representing the company externally as needed.

The Assistant Chief Operating Officer supports the COO in managing daily operations, while the COO holds the top operational leadership role, setting strategic direction and making key decisions. The Assistant COO acts as a deputy, often stepping in for the COO when needed.

What are the key skills and qualifications needed to thrive as an assistant chief operating officer, and why are they important?

To thrive as an Assistant Chief Operating Officer, you need strong leadership, operational management expertise, and a background in business administration—often supported by a bachelor's or master's degree in a relevant field. Familiarity with enterprise resource planning (ERP) systems, data analytics platforms, and project management tools, as well as professional certifications like PMP or Six Sigma, is typically expected. Outstanding communication, problem-solving, and strategic thinking abilities are crucial soft skills for driving organizational success and managing diverse teams. These competencies are essential for optimizing company operations, fostering growth, and ensuring alignment with executive goals.
What are the most commonly searched types of Chief Operating Officer jobs in California? The most popular types of Chief Operating Officer jobs in California are:
What are popular job titles related to Assistant Chief Operating Officer jobs in California? For Assistant Chief Operating Officer jobs in California, the most frequently searched job titles are:
What job categories do people searching Assistant Chief Operating Officer jobs in California look for? The top searched job categories for Assistant Chief Operating Officer jobs in California are:
What cities in California are hiring for Assistant Chief Operating Officer jobs? Cities in California with the most Assistant Chief Operating Officer job openings:
Assistant Chief Operating Officer jobs near you

Chief Operating Officer

ExThera Medical

Martinez, CA • On-site

Full-time

Re-posted 16 days ago

Job description


About ExThera Medical
ExThera Medical is an innovative medical device company dedicated to advancing novel blood purification technologies that address critical healthcare challenges, including infectious diseases and sepsis. Our mission is to improve patient outcomes through cutting-edge science, strong clinical partnerships, and operational excellence.
Position Overview
ExThera Medical is seeking a strategic and execution-oriented Chief Operating Officer (COO) with a strong quality background to lead and scale our operations. This role is critical to ensuring our products meet the highest standards of safety, compliance, and performance while driving operational efficiency and supporting company growth.
The ideal candidate brings deep experience in materials-intensive medical devices and/or biotech, with a proven ability to integrate quality systems, manufacturing, and operational strategy in a fast-paced, regulated environment.
This position requires a local candidate based in or near Martinez, CA, with the ability to work on-site five (5) days per week.
Key Responsibilities
  • Lead day-to-day operations across manufacturing, supply chain, and quality functions
  • Establish and maintain a robust Quality Management System (QMS) in compliance with FDA, ISO 13485, and global regulatory requirements
  • Partner with executive leadership to define and execute company strategy and operational roadmap
  • Drive operational scalability to support clinical and commercial growth
  • Oversee manufacturing processes, vendor management, and supply chain optimization
  • Ensure inspection readiness and lead interactions with regulatory agencies (e.g., FDA audits)
  • Build, mentor, and lead high-performing cross-functional teams
  • Implement KPIs and operational metrics to improve efficiency, quality, and cost-effectiveness
  • Support product development and commercialization efforts with a strong quality and compliance lens

Qualifications
  • Bachelor’s degree in Chemical Engineering (preferred)  or Chemistry required; advanced degree (MBA, MS, or equivalent) preferred
  • 15+ years of leadership experience in medical device, biotech, or life sciences
  • Demonstrated success in an operations leadership role (VP Operations, COO, or equivalent)
  • Deep expertise in quality systems, regulatory compliance, and FDA/ISO standards
  • Experience scaling operations in a growth-stage or emerging company environment
  • Strong knowledge of GMP, QSR, ISO 13485, and risk management frameworks
  • Proven ability to lead through complexity and drive cross-functional alignment
  • Excellent communication and executive leadership skills
  • Preferred Experience
  • Background in blood purification, critical care, or extracorporeal therapies
  • Experience supporting clinical trials and commercialization of Class II/III devices
  • Track record of successful regulatory inspections and product approvals

Why Join ExThera Medical
  • Opportunity to shape the future of a high-impact, life-saving technology
  • Collaborative and mission-driven culture
  • Visibility and influence at the executive leadership level
  • Competitive compensation, equity, and benefits package

Relocation benefits are not offered for this role. The expected salary range for this position based on the primary location of Martinez, Ca is $180,295 and $225,856. Actual pay will be determined based on experience, qualifications, geographic location, and other job-related factors permitted by law.
 

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