Senior Administrative Assistant Jobs in Mission Viejo, CA

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...

Drive the expansion and optimization of cloud technologies across the organization. Collaborate with cross-functional teams to implement and maintain robust solutions while mentoring junior engineers...

Elevate operational efficiency by providing high-level admin support, managing executive calendars, coordinating travel, and ensuring seamless communication across teams to foster a productive work en...

Optimize the development of innovative electrical infrastructure for data centers, collaborating with cross-disciplinary teams. Tackle engineering challenges with cutting-edge solutions for enterprise...

Engineer advanced space operations by supporting multiple SSC programs, enhancing national security through innovative solutions, and ensuring optimal acquisition life cycle performance for the U.S. S...

Shape the future of local economies by driving strategic economic growth initiatives. Collaborate with stakeholders to enhance community vitality through innovative programs, research, and exceptional...

Join a team that's redefining educational infrastructure by managing critical facility projects. Oversee design reviews, budget adherence, and process development while leading a diverse group of prof...

Champion innovative legal solutions by leading global SaaS and software transactions. Collaborate with sales and cross-functional teams to drive compliance and manage complex negotiations, ensuring al...

Transform proposal development by leading cross-functional teams to deliver compelling bids that showcase innovative solutions. Manage proposals from conception to submission, ensuring clarity, accura...

Join a team that's leading administrative excellence across a dynamic West region. You'll manage a distributed team, drive strategic initiatives, and foster collaboration, while supporting 22 professi...

Advance your career by managing complex K-12 construction schedules. Oversee project planning, monitor performance, and facilitate integration across multiple projects to ensure timely delivery and su...

Join a team that's dedicated to advancing employee relations strategy, fostering a fair and compliant workplace. You'll lead investigations, coach managers, and partner cross-functionally to support o...

Lead transformative sales efforts, leveraging deep supply chain expertise to cultivate long-term client relationships and drive strategic growth across industry verticals through tailored solutions...

Empower institutional clients by expertly managing relationships and ensuring timely delivery of investment data and reporting. This role requires a keen focus on client satisfaction while leveraging...

Empower success through innovative fundraising leadership, driving campaign growth and revenue while developing a motivated team. Collaborate widely to build strong community and corporate relationshi...

Join a team that's building robust financial foundations for the Olympic Games. As a key member of accounting operations, you'll execute daily close activities, maintain financial integrity, and suppo...

Join a team that's dedicated to delivering cutting-edge energy solutions for the Olympic and Paralympic Games. You'll support the design and implementation of electrical systems while collaborating wi...

Lead innovative projects in carbon removal technologies, driving R&D from feasibility to implementation with a multidisciplinary team. Collaborate to translate concepts into sustainable, real-world so...

Join us in transforming space operations by providing technical expertise across the complete acquisition lifecycle for critical systems supporting national security. Contribute to innovative programs...

Lead impactful UAS projects, ensuring compliance with standards while expertly coordinating with government stakeholders and OEMs to achieve project success and drive positive outcomes...

Lead the charge in executing UAS projects, ensuring compliance with PMA-263. This role involves coordinating with government stakeholders and OEMs, requiring exceptional communication and organization...

Drive impactful architecture solutions by leading complex multidisciplinary projects, mentoring high-performing teams, and engaging clients across diverse markets while advocating for design excellenc...

Lead and inspire a high-performing team to deliver innovative software solutions, ensuring operational excellence and reliability across applications while collaborating with business leaders to drive...

Champion large-scale capital projects as a technical authority, driving strategic execution, risk management, and portfolio oversight while leading cross-functional teams and fostering continuous impr...

Unlock potential by managing complex casualty and litigated claims nationwide, guiding teams through expert claims handling and resolution strategies, while ensuring best practices and timely communic...