Senior Administrative Assistant Jobs in Mission Viejo, CA

Unlock potential by driving strategic growth through M&A initiatives, analyzing investment opportunities, and collaborating with leadership across multiple functions to advance the company’s objective...

Transform client relationships by delivering exceptional medical management services and driving account growth through effective coordination and strategic insights. Join a team dedicated to enhancin...

Oversee and enhance the operational and financial activities of multiple offices, ensuring efficient team management and strategic planning to support firm objectives and enrich workplace culture...

Optimize the development and integration of advanced space systems, ensuring mission-critical support across various space program initiatives while navigating complex acquisition life cycles to enhan...

Drive project excellence by managing complex IT initiatives across various domains, ensuring timely delivery and alignment with enterprise strategies. Utilize advanced methodologies while mentoring te...

Lead complex audits with minimal supervision while collaborating across teams to enhance risk management and internal controls, ensuring compliance and operational efficiency through detailed analysis...

Partner with us to deliver exceptional tax compliance services for large clients. Leverage your expertise in data management and regulatory adherence to provide strategic solutions and foster continuo...

Elevate your career by leading innovative retirement planning initiatives. Leverage your expertise in ERISA and IRC to guide strategy and empower financial professionals in enhancing client services a...

Shape your career by providing strategic financial management and budgeting support to a key federal agency. Collaborate with stakeholders to enhance program delivery through data analysis, reporting...

Lead the charge in addressing homelessness as you coordinate strategic initiatives and programs across diverse teams, influencing community well-being and enhancing housing services while fostering co...

Transform contract administration for aerospace programs. Collaborate with leadership, manage proposals, negotiations, and ensure compliance to drive success across a dynamic portfolio, enhancing oper...

Lead the charge in enhancing ICAM systems by effectively gathering requirements, writing user stories, and providing customer support, ensuring seamless communication between stakeholders and technica...

Analyze complex financial data and develop models to support strategic decision-making. Act as a financial navigator, guiding stakeholders in fiscal health and optimizing workflows to enhance corporat...

Join a dynamic team as you lead architectural design for hyperscale cloud data centers. Shape secure, scalable solutions while collaborating with global stakeholders and mentoring junior architects. E...

Take ownership of designing innovative, secure, and scalable data center solutions. Lead complex projects from concept to commissioning, collaborating with teams globally to meet high-performance dema...

Elevate business performance by delivering insightful financial analysis, fostering collaboration, and leveraging modern reporting technology for strategic decision-making and enhanced operational eff...

Deliver strategic oversight on high-value construction projects, managing all phases from pre-construction to close-out. Collaborate with diverse stakeholders to ensure projects meet standards, budget...

Shape the future of national security by providing strategic support for classified space systems. With over 10 years of experience, you'll play a vital role in the full acquisition lifecycle, ensurin...

Join a team that's shaping strategic space operations by providing expert engineering and technical support throughout the acquisition life cycle, driving innovations that enhance national security an...

Lead the charge in ensuring customer success by guiding adoption and maximizing value from innovative AI solutions, driving measurable business outcomes, and fostering long-term relationships through...

Redefine customer engagement by maximizing satisfaction and driving adoption, while managing relationships and fostering upsell opportunities. Achieve high retention and become a key advocate for grow...

Lead large-scale projects by driving all phases, ensuring alignment with business goals, managing resources, and building relationships. Foster team growth, coach peers, and implement strategies to ac...

Unlock potential by leading a diverse range of accounting projects, ensuring compliance, and enhancing financial reporting for various industries while collaborating with cross-functional teams to dri...

Shape vital legal operations by streamlining processes and ensuring compliance. Collaborate with the legal team on corporate law matters, document review, and research, while managing essential contra...

Oversee the administration and enhancement of the ServiceNow platform, collaborating with departments to design efficient workflows. Lead implementation of ITSM, FSM, and more, ensuring alignment with...