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Executive Administrator

Constellation

Walnut Creek, CA

Full Time

Posted October 26, 2026

$78k - $87k

Power Generation

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Listing evidence and provenance

Source: Employer career site View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed October 27, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Power Generation
Pay provenance: Employer-provided pay

Job Description

Provides a broad range of highly responsible administrative services to support the Management team and the Business Unit.

Key Responsibilities

Schedule and manage appointments, meetings, and conferences, while prioritizing phone calls, emails, and inquiries.
Prepare and edit documents, reports, presentations, and correspondence, supporting special projects and initiatives.
Oversee budget management, including monitoring expenses and processing invoices.
Organize and facilitate events, such as staff meetings, retreats, and workshops.
Reviews timesheets and payroll reports, and enters data into the payroll system.
Provides administrative support to other business units as needed.
Supports, facilitates, and promotes coordination and collaboration across functional teams.
Ensure the confidentiality and security of information and data, maintaining the highest level of professionalism and discretion.
Anticipate and resolve any issues or problems that may arise for the executive.
Ensure compliance with company policies related to expense reporting and approval process, submit expenses on behalf of the executive. May act as a delegate in reviewing and approving expense reports for the department.
Schedule and manage appointments, meetings, and conferences, while prioritizing phone calls, emails, and inquiries.
Prepare and edit documents, reports, presentations, and correspondence, supporting special projects and initiatives.
Oversee budget management, including monitoring expenses and processing invoices.
Organize and facilitate events, such as staff meetings, retreats, and workshops.
Reviews timesheets and payroll reports, and enters data into the payroll system.
Provides administrative support to other business units as needed.
Supports, facilitates, and promotes coordination and collaboration across functional teams.
Ensure the confidentiality and security of information and data, maintaining the highest level of professionalism and discretion.
Anticipate and resolve any issues or problems that may arise for the executive.
Ensure compliance with company policies related to expense reporting and approval process, submit expenses on behalf of the executive. May act as a delegate in reviewing and approving expense reports for the department.

Requirements

High school Diploma or GED
5-years of administrative experience, including 3-years supporting a senior member of management or other relevant experience
Proficient in understanding and ability to use Microsoft 365 and Office tools, and ability to learn new technologies and tools
Excellent written and verbal communication skills
Strong organizational, time management, and problem-solving skills
Demonstrated ability to work independently with minimal supervision, showing strong ownership and a commitment to producing high-quality work
Flexibility to handle multiple daily deadlines and adapt to changing priorities
Demonstrated ability to build consensus and establish trust
Demonstrated ability to identify and implement process enhancements and efficiencies
Demonstrated business acumen
Demonstrated administrative, organizing and planning skills
Demonstrated knowledge of corporate and business unit policies procedures and practices
Ability to multi-task and work with teams and independently in a fast paced, dynamic environment, under deadline pressure with external and internal partners at all levels
Prior administrative experience in the energy industry or professional services, such as project development or legal services.
Proven ability to manage multiple tasks and projects through strong project management and planning skills
Experience with Concur or travel/expense software, timekeeping software, AS9, Oracle, SailPoint or service ticket software
High school Diploma or GED
5-years of administrative experience, including 3-years supporting a senior member of management or other relevant experience
Proficient in understanding and ability to use Microsoft 365 and Office tools, and ability to learn new technologies and tools
Excellent written and verbal communication skills
Strong organizational, time management, and problem-solving skills
Demonstrated ability to work independently with minimal supervision, showing strong ownership and a commitment to producing high-quality work
Flexibility to handle multiple daily deadlines and adapt to changing priorities
Demonstrated ability to build consensus and establish trust
Demonstrated ability to identify and implement process enhancements and efficiencies
Demonstrated business acumen
Demonstrated administrative, organizing and planning skills
Demonstrated knowledge of corporate and business unit policies procedures and practices
Ability to multi-task and work with teams and independently in a fast paced, dynamic environment, under deadline pressure with external and internal partners at all levels
Prior administrative experience in the energy industry or professional services, such as project development or legal services.
Proven ability to manage multiple tasks and projects through strong project management and planning skills
Experience with Concur or travel/expense software, timekeeping software, AS9, Oracle, SailPoint or service ticket software

Benefits & Perks

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more.
Expected salary range of $78,300 to $87,000 ($37.64 to $41.83 per hour), varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).