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

Office Assistant

Antithesis Operations LLC

About Antithesis We are a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products. Our team is collaborative, highly technical, and customer-focused. We prioritize the long-term in our structure, our products, and our relationships. As we scale, we are looking for an organized and proactive Office / Administrative Assistant to help keep our operations running smoothly. About the Office Assistant position We are seeking a highly organized and detail-oriented Office Assistant to support our team with daily administrative and operational tasks. The ideal candidate will be a problem-solver with excellent communication skills and the ability to manage multiple tasks effectively. As an Office Assistant, you will play a vital role in maintaining a clean, safe, and well-organized office environment that fosters productivity and comfort for all employees. Your responsibilities will include helping manage office supplies to ensure essential items are always available, restocking office snacks, and assisting with the planning of company events, to name a few. Through your attention to detail and proactive approach, you will help create a welcoming, efficient, and enjoyable workplace culture. Key Responsibilities Ensure the office environment is clean, safe, and conducive to productivity. Manage office operations, including ordering kitchen and office supplies. Be a liaison for building-related issues and oversee maintenance and repair requests for office infrastructure. Assist in event planning for company meetings, team outings, and celebrations. Help maintain and organize office facilities, supplies, and equipment. Handle deliveries, shipping swags, etc. Assist with scheduling, calendar management, and coordinating meetings when requested. Key Skills and Experience Previous experience in an administrative or office support role preferred. Strong organizational and multitasking abilities. Excellent written and verbal communication. Proficiency in Google Suite and other relevant software. Ability to work independently and adapt to a fast-paced, evolving environment. Strong attention to detail and problem-solving skills. Positive attitude and ability to work collaboratively with a team. Note: this role will require that you drive to run some errands #J-18808-Ljbffr Antithesis Operations LLC

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Office Assistant in Vienna, VA vacancy
  • Job Title Performs a variety of general office duties required to support the activities of a school to include responding to requests for information, maintaining and updating records, and preparing documents.
    Suggested
    Work at office

    Fairfax County Public Schools

    Fairfax, VA
    4 days ago
  •  ...with purpose. Our team members are passionate about making a positive difference in the lives of residents every day. The Office Assistant supports daily administrative operations to ensure smooth, efficient office workflows. This role serves as a welcoming first point... 
    Suggested
    Work at office
    Shift work

    Dignity Home Care Inc

    McLean, VA
    4 days ago
  • $22 - $25 per hour

     ...and staff to carry out these objectives. About the Position: Film and Video Studies is seeking a temporary Office Assistant for the Fall 2026 semester . The ideal applicant is a fast learner and a team player who has experience working in an office... 
    Suggested
    Hourly pay
    Temporary work
    Part time
    Work at office
    Monday to Friday
    Flexible hours

    George Mason University

    Fairfax, VA
    1 day ago
  • $22 per hour

     ...Job Title Office Assistant / Receptionist Industry Corporate Office Services Location McLean, VA Assignment Type Contract (4–5 weeks) with potential extension and possible consideration for a permanent opportunity based on performance. Pay $22 / hour Work Schedule Monday... 
    Suggested
    Permanent employment
    Contract work
    Work at office
    Local area
    Weekend work
    Weekday work

    Addison Group

    McLean, VA
    3 days ago
  • $20.91 - $31.5 per hour

     ...Talent Attraction team, to submit candidates for review via our applicant tracking system.Job Description:ResponsibilitiesThe Office Services Assistant provides general clerical and administrative office support assisting in daily office and operational needs of the... 
    Suggested
    Temporary work
    Work at office
    Local area
    Worldwide
    Weekend work

    Baker Tilly Advisory Group, LP

    McLean, VA
    2 days ago
  •  ...Real Estate Administrative Assistant We're searching for a diligent real estate administrative assistant. You'll be responsible for...  ...skills Prior experience in the real estate industry or as an office manager Flexible working schedule to accommodate clients on... 
    Work at office
    Flexible hours
    Night shift
    Weekend work

    Team Thiel

    McLean, VA
    2 days ago
  •  ...Description: Summary: We are seeking a reliable and organized Office Administrator to support daily administrative operations at our...  ...ideal for a local candidate who can commute to the office and assist with coordination, documentation, and general office management... 
    Work at office
    Local area

    InstantServe LLC

    Vienna, VA
    1 day ago
  •  ...Office Administrator Summary: We are seeking a reliable and organized Office Administrator to support daily administrative operations...  ...ideal for a local candidate who can commute to the office and assist with coordination, documentation, and general office management... 
    Work at office
    Local area

    InstantServe LLC

    Vienna, VA
    2 days ago
  •  ...Administrative Assistant Pueo is known for bringing the best talent and unique tools to every opportunity. Pueo's Parliament (aka workforce...  ..., and peer support. Support the Chief Management Officer in the day-to-day administration of the office and provide task... 
    Work at office

    Pueo Business Solutions LLC

    McLean, VA
    5 days ago
  •  ...Summary Performs a variety of general office duties required to support the activities of a school to include responding to requests...  ...and/or routes calls and visitors to appropriate responses. # Assists other employees in order to accomplish tasks or projects. #... 
    Work at office

    Fairfax County Public Schools

    Falls Church, VA
    5 days ago
  •  ...Dental insurance Health insurance Paid time off Tuition assistance Vision insurance Job description: I. Job Overview The...  .... Excellent verbal, communication, and interpersonal skills; Proficiency with Microsoft Office especially Word and Excel.... 
    Contract work
    For contractors
    Work at office

    DM Enterprises

    Fairfax, VA
    2 days ago
  •  ...matters to Director of Admissions or Admissions clinical staff when assistance or clarification is needed. Participates in ongoing training...  ...in medical terminology and/or in an administrative, business office, or call center environment. Ability to attain goals in a... 
    Full time
    Work at office
    Flexible hours
    Shift work
    Night shift
    Weekend work
    Day shift
    Weekday work

    VITAS Healthcare

    Fairfax, VA
    2 days ago
  •  ...Pueo Business Solutions LLC in McLean, Virginia seeks an Administrative Support professional to assist the Chief Management Officer and other executives. Responsibilities include managing office supplies, coordinating meetings, and handling expense reports while maintaining... 
    Work at office

    Pueo Business Solutions LLC

    McLean, VA
    4 days ago
  • $70k - $85k

    Office Administrator Full Time Clerical Fairfax, VA, US 22 days ago Requisition ID: 1037 $70,000.00 To $85,000.00 Annually Job Description...  ...for visitors, tenants, vendors, and employees, while also assisting with meeting coordination, office organization, supply... 
    Full time
    Work at office
    Work from home
    Monday to Friday

    Ox Hill Realty LLC

    Fairfax, VA
    4 days ago
  • $16 per hour

    Office Assistant (Entry‑Level) • Company: Regal Moving Services • Location: Springfield, VA • Position Type: Full‑Time • Hours: Monday-Friday, 8:00 AM - 4:00 PM • Starting Pay: $16.00 per hour Position Summary Regal Moving Services is seeking a dependable and motivated... 
    Hourly pay
    Full time
    Work at office
    Immediate start
    Monday to Friday

    Regal Moving Services

    Springfield, VA
    1 day ago
  • $24.04 - $26.92 per hour

     ...impact on the industry, on financial institutions, and on the future of financial services. Your Role We are seeking a full-time Office Assistant and Receptionist to join our team at our corporate headquarters in Arlington, VA. In this highly visible role, you will be the... 
    Full time
    Work at office
    Monday to Friday
    Flexible hours

    Medium

    Arlington, VA
    1 day ago
  • $77.6k - $176k

     ...Program Office Chief of Staff The Opportunity: Seeking an experienced Chief of Staff for the Program Manager (PM) and Deputy Program...  ...the day-to-day operations and workload of the Executive Assistant. Join us. The world can't wait. You Have: ~7+ years of... 
    Full time
    Contract work
    Part time
    For contractors
    Work at office
    Local area
    Remote work

    BOOZ, ALLEN & HAMILTON, INC.

    Fairfax, VA
    1 day ago
  •  ...SharePoint, Milestones Professional, and OnePager Pro to build and track schedules. Export complex schedules into easily understood MS Office and custom program office formats. Engage actively in program reviews, technical meetings, and alignment conferences.... 
    Contract work
    Local area
    Immediate start

    Hive Group

    McLean, VA
    5 days ago
  • $20 - $29.4 per hour

     ...Corporate Dr 6th Fl. Fairfax, VA 22031, USA The Surgical Scheduler assists with the coordination and scheduling of surgical procedures and...  ...with Athena PMS and practice based EMR WORK ENVIRONMENT An office environment with controlled atmosphere. Possible exposure to staff... 
    Hourly pay
    Full time
    Work at office

    PRISM Vision Group

    Fairfax, VA
    5 days ago
  • $22 per hour

     ...team is seeking a currently enrolled graduate student to support office operations at our new co-learning space in Fairfax, Virginia....  ...of classrooms, office spaces, and common areas during shifts. Assist in setting up and breaking down events, meetings, classes, etc.... 
    Hourly pay
    Part time
    Work at office
    Flexible hours
    Shift work
    Night shift
    Afternoon shift

    University of Virginia

    Falls Church, VA
    4 days ago
  • $45k - $55k

     ...with the administrative aspects and transitioning into specific areas. Serve as a liaison between various teams within the company Assist and support manager in serving employees Perform standard and ad hoc reporting for management File and record administration Manage... 
    Full time
    Work at office
    Flexible hours

    ROCS Grad Staffing

    Arlington, VA
    5 days ago
  •  ...Administrative Assistant LHH Recruitment Solutions is currently seeking an Administrative Assistant in McLean, VA. This is a contract...  ...company. This role entails providing day-to-day support for the office. Responsibilities: Answer and direct phone calls,... 
    Full time
    Contract work
    Work at office
    Monday to Friday

    LHH

    McLean, VA
    1 day ago
  •  ...Administrative Assistant The part-time Administrative Assistant provides high-level administrative support to the Senior Associate Provost...  ...; Must have good communication skills; Must have good Office 365 skills; Able to manage multiple projects at one time;... 
    Part time
    Work at office

    Virginia Department of Human Resource Management

    Fairfax, VA
    6 days ago
  •  ...Administrative Assistant The Administrative Assistant will provide clerical support for the FCA field office to accomplish the FCA mission and vision and reflect the FCA Core Values in the ongoing work of that office. Ministerial Duties These responsibilities... 
    Work at office
    Local area

    Fellowship of Christian Athletes

    Vienna, VA
    3 days ago
  •  ...Administrative Assistant, Advancement This part-time wage position provides administrative and operational support to the Office of Advancement. The role supports donor and board data management, event coordination, stewardship activities, and internal operations.... 
    Part time
    Work at office

    George Mason University

    Fairfax, VA
    1 day ago
  • $46.16k - $80.78k

     ...Administrative Assistant III Salary $46,160.40 - $80,780.75 Annually Location PENNINO BUILDING, 12011 GOVERNMENT CENTER PKWY, FAIRFAX (...  ...administrative assistance, scheduling & coordination, communication, office management, and/or receptionist/public contact. Specifically,... 
    Hourly pay
    Work at office

    Fairfax County (VA)

    Fairfax, VA
    3 days ago
  • $50.58k - $88.52k

     ...Administrative Assistant IV Salary $50,581.23 - $88,517.10 Annually Location PUBLIC SAFETY HQ, 12099 GOVERNMENT CENTER PKWY, FAIRFAX (EJ...  ...of the functional area (e.g., purchasing, travel, and leave). Office Management Performs/supervises several administrative functions... 
    Hourly pay
    Agency work
    Contract work
    Temporary work
    Work at office
    Shift work

    Fairfax County (VA)

    Fairfax, VA
    1 day ago
  •  ...Administrative Assistant Cogir Senior Living, based in Scottsdale, Arizona, proudly oversees a network of senior living communities...  ...the leadership team in the community, specifically the Business Office, Human Resources, Resident Wellness/transition departments with... 
    Contract work
    Work at office

    Cogir Senior Living

    Fairfax, VA
    5 days ago
  •  ...Administrative Assistant We are seeking a highly organized, discreet, and proactive Administrative Assistant to support mission-critical...  ...(badging, accounts, orientation scheduling). Coordinate office supplies, maintenance requests, and workspace readiness. Work... 
    Work at office

    The Logical Answer

    McLean, VA
    2 days ago
  •  ...An established pediatric dental office is looking for Dental Assistants who are available to start immediately. We are seeking a candidate that is willing to work a part-time or full-time schedule, between Monday - Saturday. This job has friendly co-workers and great... 
    Full time
    Part time
    Work at office
    Immediate start

    TradeJobsWorkforce

    Arlington, VA
    5 days ago

Do you want to receive more vacancies?

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