Senior Administrative Assistant Jobs in Mission Viejo, CA

Unlock enterprise potential by providing senior-level support for scalable applications, ensuring seamless operations and optimal performance across varied platforms, while mentoring junior staff and...

Unlock potential by managing the CEO's priorities, enhancing operations, and fostering relationships across leadership. Thrive in a fast-paced environment, leveraging organizational skills and technol...

Drive the charge in enhancing U.S. FinTech's internal audit processes by executing audits and providing advisory services, ensuring compliance and operational excellence across financial and operation...

Lead compliance initiatives and enhance security governance within healthcare. Ensure adherence to ISO 27001, HIPAA, and manage audits, risk assessments, and policies while fostering collaboration acr...

Grow your career with a role focused on delivering internal audit services that drive operational, financial, compliance, and risk-based improvements to enhance organizational performance and add valu...

Advance the mission of Athena as the Program Business Manager, overseeing budgets, schedules, and contracts in a dynamic, modern AI-driven environment. Collaborate directly with technical teams to ens...

Shape the future of financial management by streamlining accounting functions and collaborating with various teams. Utilize your expertise in finance to support diverse reporting and compliance activi...

Join a dynamic team as you oversee business unit projects from inception to completion, ensuring operational alignment and driving efficiencies. Be the key liaison among departments, facilitating comm...

Transform the legal billing landscape by supporting a talented team in managing client invoices, administrative tasks, and enhancing billing operations to ensure efficiency and compliance within a dyn...

Transform the billing landscape by providing critical administrative support to a legal team. Manage client invoicing and ensure compliance, while thriving in a fast-paced environment that values deta...

Help us enhance environmental compliance by leading assessments and permitting for major industrial projects. Collaborate with multi-disciplinary teams to ensure adherence to regulations while promoti...

Support executive operations by enhancing organizational efficiency, prioritizing tasks, and fostering cross-functional collaboration to ensure smooth workflow across teams and timely resolutions of i...

Advance your career with a leading team performing comprehensive Property Condition Assessments. Engage in diverse commercial projects while mentoring junior staff and ensuring compliance with regulat...

Elevate project management effectiveness by leading complex building assessments, mentoring junior staff, and providing expert client interactions while overseeing diverse commercial property evaluati...

Unlock potential by leading diverse design teams in impactful school construction projects, ensuring compliance with budgets and standards while managing multiple critical repairs and retrofits across...

Unlock potential by leading advanced administrative and analytical tasks within a dynamic City Manager's Office, influencing strategies, policy-making, and financial oversight for multiple city depart...

Drive the development of impactful proposals, collaborating with teams to analyze client needs, craft compelling content and deliver persuasive submissions that win business across multiple sectors wh...

Shape the future of space operations by leading acquisition efforts for mission-critical projects. Leverage your expertise to drive the development and sustainment of classified space technology, ensu...

Take ownership of technical support for space acquisitions, drive system integration, and enhance efficiency through risk management and programmatic oversight in a high-stakes environment dedicated t...

Engage in shaping advanced space operations by providing expert acquisition, engineering, and technical guidance throughout the project lifecycle, supporting critical national security space capabilit...

Support critical space programs by providing expert acquisition strategies, risk mitigation, and financial management throughout the entire life cycle. Make your mark in advancing national security by...

Join a team that's driving innovation in space operations and enhancing national security. Leverage your expertise in acquisitions, program management, and financial strategy to transform cutting-edge...

Drive enterprise systems analysis and implementation, bridging business needs with technical delivery. Collaborate with cross-functional teams and external vendors while supporting complex integration...

Champion financial insights within the Payer Business Unit, driving FP&A excellence by leveraging SaaS metrics and forecasting models, enhancing decision-making processes, and collaborating with cross...

Elevate your career as a Senior Medical Auditor by leading coding audits, ensuring compliance, and educating teams. Collaborate with diverse professionals, analyze data for quality assurance, and tran...