Executive Assistant (1731)

About Coresite

At CoreSite, we empower a more connected future through high-performance data centers and interconnection solutions. Recognized as a trusted partner in digital transformation, our strategically located facilities and innovative services enable businesses to connect, collaborate, and grow in an ever-evolving technological landscape.

Our culture is defined by operational excellence and a relentless drive for innovation. We foster a collaborative, inclusive environment where every team member is valued, wins are celebrated as a team, and ownership is part of our DNA. At CoreSite, we’re not just building state-of-the-art infrastructure—we’re creating a community of forward-thinkers committed to solving complex challenges and delivering exceptional customer experiences.

At CoreSite not only are we Committed to Excellence, but we also Build Connections, Own It, Do the Right Thing, Have Fun, and Win as a Team. Join us and be part of a team that is shaping the future of digital infrastructure while nurturing your professional growth and success.

Executive Assistant Role:

As a member of the company’s executive support team, the Executive Assistant is responsible for providing comprehensive and varied administrative support for members of the Senior Leadership Team and planning and coordinating employee events at our Denver based headquarters (HQ) and in the U.S. as needed. The role’s primary purpose is to enhance the efficiency and effectiveness of assigned executive leaders by coordinating, prioritizing and reviewing a wide variety of confidential and cross-functional requests, The ideal person in this role is efficient, organized, upbeat, and able to work with multiple executives and teammates across our locations.

Consistent with our hybrid work policy, this position will be required to be on-site at our downtown Denver HQ on Tuesdays and Wednesdays at a minimum, and based on executive needs, additional days in the office may be needed, along with infrequent U.S. travel. Our hybrid work schedule is also subject to change for all HQ-based team members.

Responsibilities:

• Using discretion, judgement, and knowledge of our organization, provide daily / as-needed coordination and support for assigned executive senior leaders.
• Support requests may include general administrative, calendar management, report generation, expense and travel coordination, departmental event planning, and other special projects.
• Collaborate with the Senior Executive Assistant and the Senior Office Assistant as needed.
• Cover the front desk/office assistant responsibilities during vacations and other absences.
• Provide meeting support including scheduling, logistics, agendas, minutes, and tracking action items.
• Provide support for visitors, ensuring a positive experience.
• Prepare and edit correspondence, communications, presentations, and other documents.
• Conduct research, assemble and analyze data to prepare draft reports and documents.
• Manage projects independently, requiring discretion and independent decision making.
• Participate/co-lead the employee activities committee including creating, planning, and executing company events including annual holiday party, summer picnic, and other department and functional events.
• Prepare event communications and work with internal communications team to get them distributed according to communications review and approval process.

Knowledge, Skills & Abilities:

• Experience with providing varied executive support for senior executives in several U.S. time zones.
• Ability to interface well with all departments within the company and to represent assigned executives in a highly professional manner.
• Ability to recognize and maintain confidential information, operating with the highest level of discretion and professionalism.
• Demonstrate effective communication skills and professionalism both internally and externally to the company.
• Possess a high degree of proficiency with MS Office products including Word, Excel, PowerPoint and Outlook.
• Expertise in creating executive level PowerPoint presentations.
• Experience tracking expenses and submitting expense reports with accuracy.
• Demonstrated ability to handle multiple tasks simultaneously.
• Exceptional organizational skills required.
• Ability to meet defined deadlines, work well under pressure, and be flexible with changing priorities.
• Strong interpersonal and communication skills are required.
• Excels in a team-oriented work environment.
• Ability to work independently with limited supervision.

Education/Experience:

• 4+ years of previous executive administrative assistance experience is required.
• Bachelor’s degree in office administration, business, or other related field preferred.

Physical Demands:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to handle or feel objects; reach with hands and arms; climb stairs; balance; stoop or kneel; talk and hear. The employee must occasionally lift and/or move up to 25 pounds.

Ability to travel to overnight meetings in other US cities 0 – 15%.

Compensation:

Compensation for this role includes a base salary between $42.00/hr. and $48.00/hr. This role is also eligible for an annual bonus and equity, based upon individual and company performance.

Posting Timeline:

This position is expected to be posted through August 23, 2025.

Not only does CoreSite have a fun, team-focused work environment, but we also offer great benefits to all employees regularly scheduled to work more than 20 hours a week!

• First-day medical insurance through Cigna with generous premium cost coverage
• Dental insurance through Delta Dental
• Vision insurance through VSP
• Telemedicine through MDLive for Cigna
• Healthcare and dependent care flexible spending account (FSA) plans
• Health saving account (HSA) plans for employees participating in the High Deductible Health Plan
• Life, AD&D, short-term disability, and long-term disability insurance fully paid by the company
• Voluntary coverage benefits for supplemental life, critical illness, accident, and hospital insurance
• First-day eligibility for 401(k) savings plan through Fidelity, which includes an attractive matching company contribution with a 5% company match
• Discretionary annual bonus and equity incentive plan
• Employee stock purchase plan (ESPP) with a 15% discount
• 16 days of paid time off (PTO), 11 paid company holidays, and additional floating holidays
• Additional paid time off for school events, elder care, volunteering, bereavement, jury duty, voting, parental leave, and disability leave
• Free parking or a company contribution toward a public transit pass

Additional Perks

• Wellness Reimbursement Program: Yearly stipend of $500 for employees and $300 for dependents, up to $800 total for the family
• Wellness Incentive Program: Participate in various wellbeing activities to earn up to $450 per year in cash incentives
• Technology Stipend: $100 monthly stipend
• Educational Reimbursement Program: Work-related learning and development with reimbursement on qualifying degree programs, up to $5,250 per year
• Giving Back: Charitable donation matches up to $5,000 per year and nominate organizations for Company Foundation grants
• Financial Management: Access to financial coaching, digital tools, and services to manage and pay student loan debt quicker
• Pet Insurance: Keep your furry friends healthy and happy
• Family Planning: Benefits and services related to fertility, pregnancy, menopause, adoption and surrogacy
• Employee Assistance Program: 24x7 service to support family, work, money, health, legal and life challenges
• Counseling and Caregiving Programs: Including access to mental health services, licensed counselors, and caregiving tools including membership for finding care
• Referral Bonus: Receive a $3,000 cash bonus if referred candidate is hired and meets eligibility requirements
• Discounts: Discounts, cash back offers, and perks on thousands of brands
• LinkedIn Learning Membership: Support your development when accessing LinkedIn’s online library of courses and videos

General Statements -

Applicants must be currently authorized to work in the United States on a full-time basis.

The employer will not sponsor applicants for work visas.

Please note that all offers of employment are contingent upon the successful completion of a background check and, where permitted by law, a 5-panel drug test conducted after the offer letter is signed, which will screen for THC, opiates, PCP, cocaine, and amphetamines. Thank you for your understanding and cooperation.

Applicant Privacy Notice: CoreSite is committed to protecting the privacy and security of personal information submitted by applicants. The California Consumer Privacy Act (CCPA) requires us to provide you information about our personal information handling practices. As a result, we’re providing this Privacy Notice that describes how we collect, use, share, and update personal information from individuals who wish to be considered for employment with CoreSite. To read the Applicant Privacy Notice, please go to .

Unauthorized reproduction or distribution of this job posting on external sites is prohibited without prior written consent from CoreSite. We are not responsible for any postings or offers not originating from our official channels or approved partners.