Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Administrative Assistant

Haskell Co

Job Description At Haskell, you’re not just joining a company—you’re joining a nationally recognized Top Workplace where diverse perspectives and inclusive thinking drive stronger outcomes. Whether you’re starting out, growing your expertise, or leading the way, you’ll find a culture grounded in trust, driven by excellence, and built to support your goals. Here, you’ll have the opportunity, flexibility, and sense of belonging to grow your career your way—while making a real impact. Scope of Position Responsible for handling a wide range of administrative and executive support-related tasks and works independently with little or no supervision. Manage the day-to-day business activities of upper-level senior leadership as assigned. This position works in a fast-paced environment, sometimes under pressure while remaining flexible, proactive, resourceful, and efficient. Job Responsibilities Set priorities and develop procedures to accomplish tasks within deadlines, ensuring efficient coordination and follow-through. Prepare, review, and edit high-level documents, presentations, and reports, including financial, statistical, legal, or technical data. Independently manage and coordinate senior leadership’s complex schedules, ensuring alignment with business priorities. Create professional presentations using PowerPoint or other software for internal and external meetings. Draft and sign routine and complex correspondence, ensuring professional communication in all interactions. Conduct in-depth research and gather detailed information to support senior leadership’s decision-making. Handle and safeguard sensitive and confidential information, ensuring discretion and compliance. Prepare and process expense reports, budgets, and financial documents for senior leadership. Review and approve timecards and expense reports, ensuring accuracy and compliance. Manage complex travel itineraries for senior leadership, ensuring smooth logistics. Support senior leadership in the hiring process, including interview coordination and onboarding. Provide training to junior staff, enhancing team performance and mentoring administrative personnel. Plan and coordinate offsite meetings, conferences, and special events. Act as the primary point of contact for high-level external stakeholders, maintaining professional relationships. Represent senior leadership in meetings, conferences, and events as needed. Work with various departments to ensure smooth execution of initiatives and facilitate communication. Assist with other duties as assigned within the designated department. Travel as required. Education & Years of Experience High school diploma required; some college or applicable business certification preferred. Senior Admin I requires a minimum of 5–7 years of relevant experience; Senior Admin II requires 7+ years of experience. Qualifications Good organizational skills; attention to detail Proficiency in Microsoft Office (Excel, Word, PowerPoint) Communicate effectively verbally and in writing Provide, as well as carry out, detailed verbal and written instructions independently Collaborate with others to accomplish organizational goals; identify and resolve problems Use logical or rational thinking to solve problems; make decisions based on personal judgment Perform mathematical calculations (fractions, decimals, percentages, statistical) as needed Demonstrate competency in Microsoft Word, including PowerPoint; Procore if applicable Ability to understand and execute the company vision and values of Team, Excellence, Service, and Trust High level of professionalism, discretion, and confidentiality Environmental Factors and Physical Requirements While performing the duties of this job, team members may be required to visit alternate locations and therefore must have ordinary ambulatory skills sufficient to do so. This position requires the ability to stand, walk, stoop, kneel, crouch, and manipulate (lift, carry, move) light to medium weights of 10–50 pounds. Requires good hand-eye coordination, arm, hand, and finger dexterity, including the ability to grasp, and visual acuity to use a keyboard, operate equipment, and read application/form information. The team member is frequently required to sit, reach with hands and arms, talk, and hear. Haskell will make reasonable accommodations in compliance with the Americans with Disabilities Act of 1990 and the Americans with Disabilities Act Amendments Act of 2008. The job description will be reviewed periodically as duties and responsibilities change with business necessity. Essential and marginal job functions are subject to modification. Haskell is a Drug - Free Workplace, and an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender, gender identity or gender expression, sexual orientation, marital status, military service and veteran status, disability, genetic information, or any other characteristic protected by applicable federal, state, or local laws and ordinances. #J-18808-Ljbffr The Haskell Company

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Administrative Assistant in Lakewood, CO vacancy
  •  ...Administrative Assistant III The Administrative Assistant III performs a wide variety of tasks such as typing, formatting, and editing correspondence...  ...telephone, screens and routes calls and takes messages for senior staff. Provides information as appropriate; greets and... 
    Senior
    Work at office

    FINRA

    Denver, CO
    5 days ago
  • $120k - $140k

    PACS Group, Inc. is seeking an Administrator in Colorado to lead the daily operations of our nursing facility. The role includes overseeing quality care and compliance with local and federal regulations. Ideal candidates will have a Bachelor's Degree, strong leadership... 
    Senior
    Remote job
    Local area

    PACS Group, Inc.

    Denver, CO
    3 days ago
  • Overview As a Senior Scheduler at Linesight, you will work with highly experienced, culturally diverse, and passionate teams nurturing...  ...process and are accommodated in the workplace. If you require assistance or accommodation of any kind, please mention this in your application... 
    Senior
    Work experience placement

    Linesight

    Denver, CO
    2 days ago
  • $102k - $137.7k

     ...an experienced. Mortenson is currently seeking an experienced Senior Scheduler with the ability to interact with a variety of staff...  ...team Coach, mentor, and train field personnel, forepersons, and assistant superintendents Establish and nurture teamwork environment... 
    Senior
    For subcontractor
    H1b
    Work at office
    Flexible hours

    Mortenson

    Denver, CO
    2 days ago
  • $84.76k - $129.5k

     ...you the flexibility to work remotely for two days. Skills As a Senior Project Scheduler for Capital Projects, you will apply your...  ...Vision Life & Accident Insurance Disability Coverage Employee Assistance Program (EAP) Back-Up Daycare FSA & HSA 401(k) Pre-Tax Commuter... 
    Senior
    Hourly pay
    Work experience placement
    Internship
    Local area
    Remote work
    Flexible hours
    3 days per week

    Sargent & Lundy

    Englewood, CO
    2 days ago
  • Haskell is seeking an experienced Senior Administrative professional to support upper‑level leadership. You will coordinate complex calendars, prepare high‑level documents, and manage travel, expense reports, and budgets with discretion and accuracy. You will interact with... 
    Senior

    Haskell

    Lakewood, CO
    20 hours ago
  •  ...Description: ATN Health is currently assisting a local client, recruiting for an Administrative Assistant job in Denver Metropolitan Area. The Administrative Assistant job is a temp to hire opportunity. For instant consideration for the Administrative Assistant... 
    Temporary work
    Work at office
    Local area

    ATN Health

    Wheat Ridge, CO
    2 days ago
  • $20 - $25 per hour

     ...Scheduling Administrative Assistant in Wheat Ridge, CO (Denver) Join us at Arapahoe Fire Protection! Founded in 1989, Arapahoe Fire Protection is a leading fire protection company with offices in Aurora, Colorado Springs, and Wheat Ridge Colorado. We are seeking candidates... 
    Hourly pay
    Full time
    Monday to Friday

    Arapahoe Fire Protection

    Wheat Ridge, CO
    4 days ago
  • $30 - $38 per hour

    Posted Tuesday, November 18, 2025 at 5:00 AM Eagle Harbor Solutions, LLC a Koniag Government Services company, is seeking an Administrative Assistant with a Secret Clearance to support EHS and our government customer in Lakewood, CO. Hourly Rate: $30.00-$38.00. This... 
    Hourly pay
    Work experience placement
    Work at office
    Local area
    Flexible hours

    Koniag Information Security Services, LLC

    Lakewood, CO
    2 days ago
  • $31.25 per hour

     ...Job Description Senior Administrative Assistant LOCATION: ONSITE - Greenwood Village, CO Hourly Compensation: $31.25 per hour The Senior Administrative Assistant is responsible for providing administrative support, with strict adherence to confidentiality... 
    Senior
    Hourly pay
    Work at office
    Relocation
    Night shift

    Air Evac Lifeteam

    Greenwood Village, CO
    2 days ago
  •  ...Smith and Associates P.C.  is a Lakewood CPA firm looking for a responsible and highly skilled Administrative Assistant. This position is a critical element in the business that keeps the office running smoothly.  The responsibilities include taking care of our clients... 
    Work at office

    Smith and Associates P. C.

    Lakewood, CO
    more than 2 months ago
  • $50.3k - $93.3k

     ...Senior Administrative Assistant The Demonstrations & Prototypes (D&P) Director within the System Prototypes organization is hiring an experienced Senior Administrative Assistant to support the D&P and Networked Electromagnetic Systems (NES) leaders and organizations... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Work at office
    Flexible hours

    Lockheed Martin Corporation

    Littleton, CO
    1 day ago
  •  ...point-of-sale (POS) system to locate, enter, and process customer orders. Assist with logistics, billing inquiries, and account-related questions. Support the office team with administrative tasks as needed. Maintain accurate and organized records of customer... 
    Hourly pay
    Work at office
    Flexible hours
    Afternoon shift

    Southern Tire Mart

    Wheat Ridge, CO
    5 days ago
  • $31.25 - $36.06 per hour

     ...Cherry Creek that serves and supports individuals with a genetic disorder, is seeking a temporary, strong-foot-in-the-door Senior Administrative Assistant. The Senior Administrative Assistant will support the Executive Assistant team that supports the President & CEO and... 
    Senior
    Permanent employment
    Temporary work
    Work at office
    Remote work
    Monday to Friday
    Shift work

    J Kent Staffing

    Denver, CO
    a month ago
  • $21 - $28 per hour

     ...communication between clients, real estate agents, staff and vendors. Additional duties include tracking supplies and equipment, assisting our relationship manager with light marketing tasks and working on special projects. Responsibilities * Schedule home inspections... 
    Hourly pay
    Full time
    Live in
    Work at office
    Remote work

    Pillar To Post - Kastberg Walsh Team

    Lakewood, CO
    23 days ago
  • $1,226.4 per month

     ...Client Name University of Colorado Health - UCHealth - Administration Offices 2450 S Peoria Job Type Local Offering...  ...Clerical/Admin Specialty Administrative Assistant Job ID 18892965 Job Title Clerical/Admin... 
    Weekly pay
    Local area
    Shift work

    UCHealth

    Aurora, CO
    3 days ago
  •  ...posting may close early due to the volume of applicants. If you find yourself looking for a fulfilling career, the Branch Office Administrator (BOA) role may be the rig Office Administrator, Financial Advisor, Office, Client Support, Administrator, Business Services... 
    Work at office

    Edward D. Jones & Co., L.P.

    Lakewood, CO
    3 days ago
  • $106.4k - $159.6k

     ...verifies, and adjusts physical flows and transported volumes into computerized management system Verifies accuracy of portfolio, assists back office with monthly closing process Provides alternate routing to ensure contractual obligations met Acts as a lead on various... 
    Senior
    Full time
    For contractors
    Local area
    Relocation

    NextEra Energy Resources

    Denver, CO
    2 days ago
  • Personal Home Care Plus is seeking a highly organised executive assistant to provide comprehensive administrative support for senior management. The role focuses on maintaining efficient operations, coordinating executives' schedules, and ensuring smooth communication... 
    Senior

    Personal Home Care Plus

    Littleton, CO
    4 days ago
  • $120k - $140k

     ...land, vertical development, and product development. Position Overview: The Senior Executive Assistant serves as a trusted partner to senior leadership, providing proactive administrative and operational support that helps executives stay focused on the organization’... 
    Senior
    Full time
    Work at office

    Tract Capital Management, LP

    Denver, CO
    8 days ago
  • TEKsystems in Denver, CO is seeking an Office Administrative Assistant to support up to 3 executives and oversee GIS office spaces. You will coordinate calendars, travel bookings, expense management, and office operations. This fully onsite contract position offers a competitive... 
    Senior
    Hourly pay
    Contract work
    Work at office

    TEKsystems

    Denver, CO
    4 days ago
  • Builders FirstSource, Inc. is seeking an entry-level Administrative Assistant to support general office operations in Colorado. The role involves greeting visitors, preparing routine documents, data entry, mail handling, and coordinating meetings and travel. The ideal... 
    Work at office

    Builders FirstSource, Inc.

    Denver, CO
    3 days ago
  • $22 per hour

    Job Title Senior Executive Assistant Company Wayfair Location Denver, USA Compensation $22 per hour Job Summary This hybrid position requires...  ...communications on behalf of leaders. Provide backup for other administrative staff. Qualifications Three+ years of experience as an AA... 
    Senior
    Remote job
    Hourly pay
    Part time
    Work at office
    Work from home

    Wayfair

    Denver, CO
    5 days ago
  • $20 - $25 per hour

     ...with clients. Other duties include using administrative skills and responding to clients and...  ...process of new employees. Support and assist other office staff as needed. Fill in for...  ...services for people of all ages, including seniors, children, veterans, the chronically ill... 
    Hourly pay
    Full time
    Work at office
    Monday to Friday
    Flexible hours
    Shift work
    Weekend work
    Afternoon shift

    Right at Home Northeast Nebraska

    Lakewood, CO
    2 days ago
  • Jobtailor in the United States is seeking an experienced executive assistant to partner with Commercial Excellence, Marketing, and...  ...You will manage calendars, travel, and communications for VP, Senior Director, and two Directors. The role requires 6+ years, advanced... 
    Senior

    Jobtailor

    Denver, CO
    3 days ago
  •  ...Senior Executive Assistant National Corporate Housing National Corporate Housing is seeking a highly strategic, polished, and proactive Senior...  ...to support the CEO. This role goes beyond traditional administrative supportserving as a trusted advisor, operational partner,... 
    Senior
    Temporary work
    Work at office
    Relocation
    Monday to Friday
    Flexible hours
    Shift work
    Weekend work

    National Corporate Housing

    Englewood, CO
    5 days ago
  • $110k - $140k

     ...Senior Executive Assistant Ibotta is seeking a Senior Executive Assistant to support our Chief Revenue Officer and contribute to our mission...  ...special projects as needed Collaborate closely with administrative and executive assistants across the organization to ensure... 
    Senior
    Full time
    Live in
    Work at office
    Relocation package
    Flexible hours
    Weekend work
    Afternoon shift

    Ibotta

    Denver, CO
    5 days ago
  •  ...Pulmonary and Sleep Physicians along with our skilled clinical and administrative staff exclusively serve nine Common Spirit and AdventHealth...  ..., etc.) Obtain patients medical records as needed. Assist patients with web portal login information. Other duties as assigned... 
    Work experience placement
    Private practice
    Work at office
    Local area

    Critical Care Pulmonary & Sleep Associates

    Lakewood, CO
    3 days ago
  • ADP is hiring a Senior Administrative Support professional in Colorado. The role supports executives with clerical, organizational and information-management tasks while maintaining confidential information and ensuring smooth operation of office activities. Candidates... 
    Senior

    ADP

    Denver, CO
    2 days ago
  • $70k - $156.6k

     ...different skills and/or experience will be required at the staff, senior and principal engineer levels. Position Summary This is an...  ..., calculations, reports, standards, etc.) Utilizes and may assist with the development of procedures. Provides ongoing technical... 
    Senior
    Full time
    Temporary work
    For contractors

    Xcel Energy

    Denver, CO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Administrative Assistant. Be the first to apply!