Senior Administrative Assistant Jobs in Mission Viejo, CA

Transform complex administrative processes and deliver high-level support within a large educational division. Collaborate across departments, manage office functions, and enhance operational efficien...

Lead the charge in enhancing organizational efficiency by supporting senior leadership. You'll ensure seamless operational execution and project management within a dynamic, fully remote environment...

Unlock potential by providing high-level executive support, anticipating CEO needs and managing complex schedules. Contribute to strategic priorities while maintaining discretion and professionalism i...

Lead government operations by providing top-tier executive administrative support, managing schedules, and ensuring compliance with DoD policies while facilitating effective communication and personne...

Champion billing accuracy and efficiency for high-profile clients. Manage complex invoicing in collaboration with attorneys and finance teams, ensuring adherence to client guidelines and prompt resolu...

Collaborate with CEO to maximize executive efficiency in a dynamic setting, developing scalable processes for strategic support while fostering strong relationships within the organization and with ex...

Shape the administrative landscape by leading and mentoring a diverse team across multiple offices, ensuring operational excellence and strategic support to enhance productivity and achieve organizati...

Lead the charge in financial analysis and reporting for diverse customer programs, driving insights and collaboration across departments to ensure financial health and informed decision-making in a co...

Join our mission-driven team to empower students through expert advising and support. You'll utilize your sales acumen to build relationships, drive enrollment, and innovate processes that enhance our...

Analyze complex data sets to drive financial optimization and program success. Collaborate across teams to deliver insights and establish KPIs, ensuring alignment with organizational objectives and en...

Shape operational success by managing workflows, documentation, and support for departmental initiatives. Engage in process improvement and collaboration to enhance execution and drive effectiveness i...

Shape the future of space operations by providing critical administrative support to enhance mission success across various programs within the Space Systems Command and its partners. Drive efficiency...

Champion your growth in a dynamic role that delivers strategic administrative support to executive leadership, enhancing firm operations through proactive management of complex tasks and priorities wi...

Grow your career with a dynamic team driving critical operational excellence in Ground Data Systems and Deep Space Network services. Deliver impactful financial oversight and administrative support in...

Join a team that's redefining claims management, overseeing complex claims and guiding junior staff. You'll ensure fair outcomes while managing relationships with TPAs and maintaining data accuracy in...

Empower your career with a pivotal role in portfolio analytics, driving impactful reports. Collaborate across teams and gain exposure to various asset classes while enhancing client relations and adva...

Elevate critical operations through comprehensive executive support, enabling efficient management and coordination across diverse programs. This role ensures seamless communication and adherence to s...

Oversee the construction administration phase of projects, ensuring compliance and quality standards. Collaborate with clients, contractors, and teams to resolve issues and deliver projects successful...

Lead the charge in facility management by overseeing maintenance, repairs, and operations for a key facility, ensuring optimal performance and compliance while collaborating with contractors and inter...

Unlock your potential by driving growth within enterprise accounts. Collaborate with cross-functional teams to build executive relationships, identify opportunities, and deliver technology solutions t...

Drive excellence in managing large-scale construction programs, ensuring alignment with client goals while overseeing multiple teams and fostering innovative practices to optimize performance and miti...

Pioneer customer success initiatives, driving enterprise retention and growth across global accounts. Collaborate with stakeholders to maximize customer value and support long-term strategies for comp...

Join a dynamic team as a Senior Technical Services Analyst, leveraging your data expertise to deliver complex data migration projects for diverse clients. Drive efficiency through automation and desig...

Develop and manage budgets and forecasts while providing actionable insights to enhance financial performance and support strategic initiatives across communities. Collaborate with leadership and impr...

Deliver exceptional technology support and leadership in a fast-paced environment, enhancing user experience while supervising Help Desk operations and mentoring junior staff in resolving complex tech...