Senior Administrative Assistant Jobs in Mission Viejo, CA

Accelerate your career by leading multi-domain systems engineering initiatives, managing integration and test activities for groundbreaking space missions, while collaborating with government and cont...

Join a team that's driving customer engagement and growth by enhancing client relationships and optimizing value through innovative AI-driven insights in a high-impact SaaS environment...

Join a team that's driving growth by spearheading new client relationships in the pharma storage sector. Leverage your expertise to ensure client satisfaction, meet sales targets, and facilitate seaml...

Shape the future of claims management by investigating and settling complex workers’ compensation claims with expert knowledge, minimal supervision, and a focus on cost-effective solutions...

Reimagine claims management by investigating and settling complex workers' compensation claims with minimal supervision while mentoring colleagues and supporting litigation efforts in a collaborative...

Transform the contract administration process by managing complex agreements, ensuring compliance, and facilitating key negotiations in support of critical defense programs. Collaborate cross-function...

Engage with diverse stakeholders to analyze and underwrite complex Professional Liability risks, ensuring optimal coverage and fostering new business growth through strong relationship management and...

Empower growth and relationships in a strategic role focused on managing key accounts. Drive customer satisfaction and revenue retention through strategic collaboration and consultative selling within...

Champion growth by driving sales success in the mid-market security sector, leveraging strong pipeline generation strategies and fostering lasting client relationships to deliver an exceptional custom...

Transform the future of engineering leadership by driving operational strategy, enhancing collaboration, and fostering client relationships that empower mission-critical and data center projects. Lead...

Shape the future of utilities by leading diverse capital projects. Manage cross-functional teams to drive innovation and excellence in project delivery, ensuring compliance and optimal performance in...

Drive capital project delivery for utility clients, leading teams in strategic advisory, engineering, and risk management, while focusing on grid transformation, sustainability, and performance optimi...

Shape quality assurance strategies for optical sensors and devices. Lead continuous improvement initiatives across operations, collaborating with teams to enhance supplier performance and compliance w...

Analyze and configure SAP reporting tools within the finance domain, collaborating with teams to enhance month-end close processes, ensuring quality support and effective training for users, all under...

Shape the future of cybersecurity by leading a dynamic team in securing classified environments. Collaborate with cross-functional teams to develop compliant systems and implement robust security cont...

Inspire innovative designs for high-performance turbomachinery, conduct critical analyses, and lead agile teams in creating cutting-edge propulsion solutions. Take ownership of the entire process from...

Transform field operations by ensuring adherence to project specifications and quality standards. You'll oversee documentation, coordinate with subcontractors, and resolve design challenges in large-s...

Grow your career with a leading provider of cloud tax software, leveraging your expertise to drive revenue growth, engage with C-Suite clients, and manage complex sales cycles on a global scale throug...

Elevate your career by supporting senior leadership with strategic communication efforts in the space sector. Utilize your creativity and expertise to develop engaging messaging and manage high-profil...

Lead a high-performing underwriting team to assess risks, enhance strategic relationships, and drive portfolio management in a dynamic environment while ensuring compliance and fostering innovation fo...

Grow your career by overseeing facility management operations, driving safety, reliability, and team development while implementing innovative engineering solutions across diverse systems and projects...

Join a team that's redefining public sector sales, focusing on strategic customer engagement and collaboration to drive growth across North America. This role offers a chance to shape a thriving terri...

Lead the charge in shaping and protecting the company’s reputation through strategic corporate affairs, public policy advocacy, and community engagement. Work with executive leadership to enhance the...

Champion supply chain excellence by optimizing procurement systems and processes while building strategic supplier relationships and addressing day-to-day operations. Drive innovation for future growt...

Drive complex healthcare finance strategies, delivering expert guidance across Medicaid services while leading initiatives and supporting business development to achieve impactful client outcomes and...