Senior Administrative Assistant Jobs in Mission Viejo, CA

Transform workplace technologies by designing and automating systems that enhance collaboration, reliability, and user experiences across platforms, while identifying opportunities for efficiency and...

Empower student success by leading a diverse division focused on innovative programs and support services. Collaborate across departments to enhance achievement, retention, and equity initiatives whil...

Join a high-growth team as a Senior Associate, managing accounting for publicly traded BDCs. Collaborate across functions to prepare financial statements, support audits, and enhance processes in a fa...

Deliver high-quality oversight of complex bridge construction projects, ensuring safety, compliance, and collaboration between teams. Leverage extensive field experience to maintain project integrity...

Elevate your career as a Senior Resident Engineer where you'll ensure construction quality and precision on critical transportation infrastructure projects, collaborating closely with teams while ment...

Oversee strategic plans and empower staff in IDD/DDS community programs. Ensure compliance, lead quality initiatives, and support daily operations to enhance residents' quality of life in a mission-dr...

Join a team that's driving financial excellence by overseeing month-end close processes, managing Accounts Payable, and ensuring compliance while enhancing internal controls and operational efficiency...

Lead innovative solution design and technical strategies for federal space programs. Collaborate with teams to ensure alignment on customer missions and achieve organizational growth while fostering a...

Lead the strategy and execution of upstream intelligence products, shaping customer decision-making using data and AI. Collaborate across teams to create impact-driven solutions that redefine agribusi...

Unlock potential by leading the development of Power Apps solutions that streamline data workflows for front-line staff. Collaborate on user-centric design while ensuring data integrity and compliance...

Drive significant growth by managing the entire sales cycle for mid-market nonprofit clients, nurturing relationships to unlock their potential and optimize the use of our innovative solutions, while...

Elevate your career by ensuring precise patient treatments in Radiation Oncology. Collaborate with a dedicated team to operate advanced equipment and efficiently schedule patient sessions while mainta...

Join a team that ensures project excellence through quality leadership, owner advocacy, and proactive risk management. Your expertise in construction management will drive compliance, efficiency, and...

Transform product quality through strategic leadership, ensuring compliance and operational excellence from clinical development to commercial launch while coordinating across functions to achieve CG...

Join a team that drives and oversees key seismic and repair projects, managing design professionals and ensuring adherence to timelines, budgets, and compliance standards while advancing educational f...

Shape the future of financial management by overseeing accounting, delivering insights, and ensuring compliance. Collaborate with leadership while guiding month-end processes, financial reporting, and...

Join a team that's dedicated to driving success for key customers by managing relationships, developing outcome-focused strategies, and ensuring alignment on business goals while enhancing overall cus...

Champion the validation of cutting-edge lab instrumentation while collaborating with diverse teams to ensure customer readiness and operational excellence. Your expertise will drive quality and compli...

Transform complex systems and ensure operational integrity as a Senior Systems Administrator. Collaborate with teams to provide technical solutions, lead projects, and enhance system security in a dyn...

Lead the charge in analyzing power projects, transforming technical insights into actionable strategies that enhance the development and financing of energy ventures across the U.S. and abroad, collab...

Transform civil engineering projects by leading multidisciplinary teams and managing all facets of project delivery, from initial planning to final execution. Drive client relations and ensure technic...

Transform how legal professionals engage with AI solutions by leading product development initiatives, collaborating cross-functionally to innovate, prioritize, and deliver features that enhance user...

Unlock potential by supporting environmental quality initiatives through effective stormwater management and collaborative strategies in watershed planning, ensuring compliance with regulatory standar...

Drive the future of system engineering by leading architecture development on innovative programs, ensuring seamless collaboration among teams while maintaining rigorous standards for system-level req...

Join a team that shapes program planning and controls by integrating cost and schedule strategies for complex aerospace and defense projects, driving financial performance, and supporting effective ex...