Administrative Assistant Manager Jobs (NOW HIRING)

ProSidian is a Management and Operations Consulting Services firm that focuses on delivering value to clients through tailored solutions grounded in industry-leading practices. ProSidian provides enterprise services/solutions for Risk Management | Compliance | Business Process | IT Effectiveness | Engineering | Environmental | Sustainability | Human Capital. We help forward-thinking clients solve problems and improve operations. Launched by Management Consultants, our multidisciplinary teams bring together the talents of global professionals to complete a wide range of engagements for public and private, defense and civilian government, and non-profit organizations. Our solution-centric services are deployed across the enterprise, target drivers of economic profit (growth, margin, and efficiency), and are aligned at the intersections of assets, processes, policies, and people delivering value.

ProSidian Seeks a Executive Level Administrative Assistant - Technical Qualification Program (TQP) Management/Analysis | Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records for Program Support on a Exempt W2: No Overtime Pay Basis for Work On Client Site in The Mountain West / Southwestern Region Area (North Las Vegas, Nevada; with potential work in Mercury, Nevada) Full-Time, generally located across the North Las Vegas, Nevada; with potential work in Mercury, Nevada Across The Mountain West / Southwestern Region Region supporting a Federal Agency that oversees secure nuclear operations in a mission-critical, clearance-controlled federal environment.

With STD Work/Job Site (Office) Language(s) being English; the Executive Administrative Assistant (Administrative & TQP Support) | Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records [NNSA0010010] is aligned with GSA Labor Category: Principal Associate.

This role shall be principally focused on Technical Qualification Program (TQP) Management Analysis Administrative Office Support Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records for Technical Qualification Program (TQP) Management Analysis Administrative Office Support.

We seek Executive Administrative Assistant (Administrative & TQP Support) candidates with relevant Nuclear Energy/Security Sector Experience (functional and technical area expertise also ideal) to support professional services engagement for Nuclear Energy/Security Sector Clients such as NNSA.

The Principal Associate role(s) are located in the Mountain West / Southwestern Region Region, at or near North Las Vegas, Nevada; with potential work in Mercury, Nevada, Initially identified Work Site Address (Work On Client Site - (Geo Code Address: Primary: NNSA Nevada Support Facility, 232 Energy Way, North Las Vegas, NV 89030; Alternate: Nevada National Security Site, Mercury, NV—specific building TBD/N/A

JOB OVERVIEW Provide services and support as a Executive Administrative Assistant (Administrative & TQP Support) [Technical Qualification Program (TQP) Management Analysis Administrative Office Support] aligned with the Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records Functional Area / Swim Lane / Category Discipline in the Nuclear Energy/Security Industry Sector.

This role focusses on PM | Program / Project Management Solutions for clients such as U.S. Department of Energy (DOE/NNSA | NFO) | DOE National Nuclear Security Administration (NNSA) | Nevada Field Office (NFO) Generally Located In North Las Vegas, Nevada; with potential work in Mercury, Nevada and across the Mountain West / Southwestern Region Region (Of Country/World) Work On Client Site.

Own the executive workflow. Anticipate needs. Protect confidentiality. Keep mission leaders moving. Analyze qualifications. Streamline administration. Strengthen readiness. Protect continuity. Sustain compliant nuclear-security mission performance every day. Analyze qualifications. Streamline administration. Strengthen readiness. Protect continuity. Sustain compliant nuclear-security mission performance every day.

RESPONSIBILITIES AND DUTIES - Executive Administrative Assistant (Administrative & TQP Support) | Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records [NNSA0010010]

• Provide executive-level support across the Office of the Manager and assistant-manager organizations.
• Manage complex calendars, appointments, meetings, conference rooms, telephone coverage, reminders, and executive workflows.
• Draft, format, revise, proofread, print, and route technical and nontechnical correspondence, reports, basic spreadsheets, and presentations.
• Prepare meeting agendas, capture minutes, track actions, compile status packages, and coordinate in-person or remote events.
• Coordinate domestic and foreign travel reservations, authorizations, and vouchers; support timekeeping reviews.
• Maintain records, physical mail, data entry, correspondence/action systems, FOIA logs, request correspondence, and associated records.
• Provide backup coverage and cross-train with the administrative team.

Desired Qualifications For Executive Administrative Assistant (Administrative & TQP Support) | Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records [NNSA0010010] Candidates:

Proven executive or senior administrative support experience in a high-demand environment; exceptional discretion with sensitive information; professional customer service; mastery of office workflow, correspondence quality, scheduling, meeting support, travel coordination, and records control. Federal, DOE/NNSA, nuclear-security, or other regulated-environment experience preferred.

Education / Experience Requirements / Qualifications

• Bachelor's degree in business administration, communications, or a related field preferred; equivalent directly relevant experience may be accepted.
• Minimum target: 5 years of executive or administrative support, including complex scheduling, confidential tasks, and senior-leadership interaction.
• CAP or comparable administrative credential preferred.
• Proven executive or senior administrative support experience in a high-demand environment; exceptional discretion with sensitive information; professional customer service; mastery of office workflow, correspondence quality, scheduling, meeting support, travel coordination, and records control.
• Federal, DOE/NNSA, nuclear-security, or other regulated-environment experience preferred.

Skills Required

Primarily focused on Management and Financial Consulting, Acquisition and Grants Management Support, and Business Program and Project Management Services initiatives and aligned with Program Support activities Executive Operations Support | Office of the Manager | Scheduling & Correspondence | FOIA / Records Functional Area Activities.

complex calendar and workflow management; professional writing, grammar, proofreading, and document formatting; meeting logistics and minutes; domestic/foreign travel processing; timekeeping review; FOIA and records support; correspondence/action tracking; Microsoft Word, Excel, PowerPoint, Outlook, Access, Teams, SharePoint, Adobe Acrobat; database/data-entry accuracy; discretion and confidentiality.

Competencies Required

• Personal Effectiveness; Continuous Learning; Leadership; Client Service; Business Management; Business Development awareness; Technical Expertise; Innovation & Knowledge Sharing; teamwork; integrity; judgment; accountability; adaptability; clear communication. Role emphasis: executive presence, anticipation, discretion, customer focus, tact, organization, prioritization, written communication, and relationship management.

Ancillary Details Of The Roles

• Primary location: Nevada Support Facility, North Las Vegas; possible support at NNSS in Mercury. Government provides customary office space, equipment, networks, supplies, and necessary information/access.

• DOE L clearance required; DOE Q where organizational support requires it. Pricing must validate whether the final solicitation applies an SCA wage determination or a professional labor category; no wage determination was included in the provided PWS material.

Other Details

Core full-time, primarily onsite position. 40 hours per week, Monday-Friday excluding Federal holidays; active and available during 0900-1500 core hours. Supports authorized conferences, assessments, and meetings in person or remotely.

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All employees, as a condition of employment, must fulfill their roles by setting, managing, pursuing, and achieving annual goals and objectives, with documented goals for each of ProSidian's eight core competencies: Personal Effectiveness, Continuous Learning, Leadership, Client Service, Business Management, Business Development, Technical Expertise, and Innovation & Knowledge Sharing (Thought Leadership). Additionally, they are expected to support all business development and related activities on behalf of ProSidian.

Eight ProSidian Global Competencies

1. Personal Effectiveness – The ability to manage tasks, time, and relationships efficiently, achieving consistent, impactful results.
2. Continuous Learning – Ongoing pursuit of knowledge, skills, and adaptability to remain relevant, competent, and professionally competitive.
3. Leadership – Inspiring, guiding, and motivating others toward shared goals, fostering accountability, collaboration, and strategic organizational success.
4. Client