Office Manager and Executive Assistant

Keystone; Washington (District of Columbia); On-site; USD 80,000 - 90,000; Full time

Job summary

Keystone is seeking an organized, proactive Office Manager and Executive Assistant to lead daily operations in our DC office and provide onsite executive support to our senior leadership. You will foster a professional, welcoming workplace while partnering with leadership to solve problems and support growth in DC.

The ideal candidate brings 4+ years in office/ops roles, exceptional organizational skills, discreet judgment, and strong communication. Proficiency in MS Office and Slack is required.

Qualifications

• 4+ years of experience in office management, executive support, or operations roles (experience supporting C-suite leaders strongly preferred).
• Exceptional organizational and time-management skills with the ability to handle competing priorities.
• Strong written and verbal communication skills.
• High degree of professionalism, discretion, and sound judgment when handling confidential information.
• Proficiency in Microsoft Office Suite and Slack; comfort learning new systems and tools.

Responsibilities

• Oversee daily office operations to ensure a professional, organized, and efficient work environment.
• Serve as primary point of contact to the office's landlord and building management team.
• Manage conference room scheduling, bookings, catering, and shared spaces.
• Support onboarding and offboarding processes for a growing office, including workspace prep and orientation logistics.
• Maintain office policies and procedures to support a seamless employee experience.
• Plan and execute office events and culture-building initiatives and coordinate local internal offsite events.
• Manage cleaning service, Day Porter, pantry, and supply management within budget.
• Manage calendars, scheduling, travel logistics, and expense management for senior leadership.

Skills

Organizational skills

Time management

Written communication

Verbal communication

Discretion

Professionalism

Proactive mindset

Adaptability

Tools

Microsoft Office Suite

Slack

Job description

Keystone is a premier economics, technology, and strategy consulting firm built to help companies lead through transformation. As breakthrough innovations reshape industries, redefine competition and change our society, complex and highly competitive ecosystems emerge. Keystone advises technology leaders, Fortune 100 companies, their legal counsel, and governments on business, economic, litigation, and regulatory strategy in relation to these innovations and competitive eco‑systems. We operate globally from offices in New York City, Boston, San Francisco, Seattle, London, Dubai, and Washington, D.C.

About The Office Manager And Executive Assistant Role

We are seeking a highly organized, proactive, and service-oriented Office Manager and Executive Assistant to oversee daily office operations in our newly launched DC office and provide onsite executive support for the senior leadership team in DC. This role is central to ensuring a professional, efficient, and welcoming workplace environment while also serving as a trusted partner to senior leadership to creatively solve problems, foster our company’s culture, and support our operations as we continue our growth in DC. The ideal candidate thrives in a fast‑paced environment, anticipates needs, and demonstrates sound judgment, discretion, and attention to detail.

Key Responsibilities

Office Operations & Workplace Management

• Oversee and manage general office operations to ensure a professional, organized, and efficient work environment.
• Serve as the primary point of contact to the office’s landlord and building management team.
• Management of the functionality of spaces within the office including managing conference room scheduling, bookings, catering, and any shared communal space utilization.
• Support onboarding and offboarding processes for a growing office, including workspace preparation, access coordination, and orientation logistics.
• Maintain office policies, procedures, and operational best practices to support a seamless employee experience.
• Plan and execute office events and culture‑building initiatives that foster collaboration and engagement, including assisting with local internal offsite events including creating content, liaising with vendors, negotiating contracts, and swag development.
• Manage and oversee the work of the cleaning company and Day Porter.
• Oversee pantry and supply management and maintain under budget.

Executive Support

• Manage calendars, scheduling, and logistics for members of the senior leadership team.
• Prepare meeting materials, agendas, and follow‑ups.
• Coordinate travel, internal meetings, and team events.
• Expense management and time submissions for senior leadership.
• Help prioritize and manage incoming requests and competing demands.

What You’ll Bring

• 4+ years of experience in office management, executive support, or operations roles (experience supporting C‑suite leaders strongly preferred).
• Exceptional organizational and time‑management skills with the ability to handle competing priorities.
• Strong written and verbal communication skills.
• High degree of professionalism, discretion, and sound judgment when handling confidential information.
• Proficiency in Microsoft Office Suite and Slack; comfort learning new systems and tools.
• A proactive, solution‑oriented mindset and the ability to thrive in a dynamic, fast‑paced environment.

Why Join Us

At Keystone, you will join a collaborative and intellectually rigorous environment where operational excellence supports meaningful, high‑impact client work. We offer competitive compensation, comprehensive benefits, and a culture grounded in integrity, curiosity, and teamwork. In addition to annual salary, we provide an annual discretionary bonus, 401k contribution, and competitive benefits package. Actual Compensation within the range will depend upon the level the individual is hired into based on their skills, experience, and qualifications.

Annual Salary Range: $80,000—$90,000 USD

At Keystone we believe diversity matters. At every level of our firm, we seek to advance and promote diversity, foster an inclusive culture, and ensure our colleagues have a deep sense of respect and belonging. If you are interested in growing your career with colleagues from varied backgrounds and cultures, consider Keystone.