Senior Administrative Assistant
ManTech
MANTECH seeks a motivated, career, and customer-oriented Senior Administrative Assistant to join our team in Chantilly, VA area. The successful candidate will provide on-site administrative support to senior leaders.
Responsibilities include but are not limited to:
Provide administrative support to Senior Leaders (to include: managing calendars, answering telephones, reviewing documents, making travel, responding to correspondence, and maintaining office staff phone contact lists)
Oversee the administrative and clerical functions in support of the assigned team, contracts, projects, or tasks
Schedule meetings and reserve conference rooms
Attend and facilitate meetings, and capture meeting minutes (as directed)
Perform other duties as assigned, such as Human Resources, Records Management, Facilities (to include escorting), and Security functions
Provide coverage (as needed) across functional Administrative Team
Domestic travel up to 25%
Minimum Qualifications:
High School Diploma and 8+ years of experience, or Bachelor’s Degree and 2+ years of experience
Demonstrated proficiency in Microsoft Office tools (to include: Outlook, MSWord, Excel, PowerPoint, etc.)
Possess excellent organization and time-management skills
Possess strong Typing Skills (50+ wpm)
Ability to work independently on tasks (with minimal guidance)
Have exceptional oral and written communication, organizational skills, and team-building skills
Experience working in fast-paced environments and working under quick timelines assisting multiple clients.
Preferred Qualifications:
Demonstrate expert-level analytical and Critical Thinking Skills
Have strong interpersonal, people, and listening skills
Be responsive to tasking and able to work well independently and in groups
Previous NRO experience is highly desired
Experience with customer program eTrip
Clearance Requirement:
- Active/current TS/SCI with Polygraph is required
Physical Requirements :
Must be able to remain in a stationary position 50%
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations
MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at View email address on click.appcast.io and provide your name and contact information.
- ...Senior Administrative Assistant Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government...SeniorFull timeWork at office
- ...~401(k) matching ~ Dental insurance ~ Health insurance ~ Paid time off ~ Tuition assistance ~ Vision insurance Job description: I. Job Overview The Senior Construction Scheduler will be responsible for assisting project teams in preparing and reviewing...SeniorContract workFor contractorsWork at office
- ...sectors—and to be the employer of choice for professionals seeking stimulating, rewarding careers. We are currently seeking a Senior Construction Project Scheduler with buildings and facilities experience for our Dulles, VA office. Responsibilities: The Senior...SeniorContract workFor contractorsFor subcontractorWork at office
$80.9k - $92.3k
Senior Administrative Assistant Capital One is looking for an exceptionally bright, multitasking, and self-motivated experienced Administrative Support Assistant III to support executives in a fast-paced tech-savvy environment. You will partner with multiple executives...SeniorFull timePart timeWork at officeLocal area- 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...SeniorFull timeTemporary workFor contractorsFor subcontractorWork at officeLocal areaImmediate start
$80.9k - $92.3k
...Senior Administrative Assistant (Administrative Support Assistant III) - Legal Capital One is looking for an exceptionally bright, multitasking, and self‑motivated experienced Administrative Support Assistant III to support 4 to 6 executives in a fast‑paced tech‑savvy...SeniorFull timePart timeWork at officeLocal area- ...spreadsheets, presentations and reports Build briefing packages and present information Analyze metrics and provide summary to senior management Administer databases and spreadsheets to include managing user accounts and accesses, creating reports, and...Senior
$112.2k - $196.4k
..., and other supporting services to achieve program success. Senior Scheduler/Analyst creates, maintains, updates, analyzes, and reports... ...or program level based on input from multiple sites Provide assistance on any potential modifications and development or review of...SeniorContract workFor contractorsLocal areaWorldwideFlexible hours$69.4k - $158k
...Supply Chain Administrator, Senior Job Number: R0242862 Opportunity As Supply Chain Administrator, you will manage a portfolio of subcontract... ..., as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition...SeniorFull timeContract workPart timeFor contractorsFor subcontractorWork at officeLocal areaRemote work- ...National Reconnaissance Office. Supports five senior managers responsible for the acquisition... ...pending actions as they arise. Provides administrative, project, and logistics support to two... ...manner to meet customer requirements. Assists in preparation and staffing review of...SeniorFor contractorsWork at office
- ...Powerpoint skills. Summary: The Project Coordinator will assist in project planning development and specialize in project... ...team to successful project completion. · Implements project administrative tasks according to requirements. · Assist with departmental...SeniorPermanent employmentTemporary work
- ...Administrative Assistant TS/SCI CI Poly TENICA is looking to hire an Administrative Assistant with a TS/SCI, CI poly Responsibilities:... ...Qualifications: Education and/or Experience: Junior to senior positions available, depending on experience Active TS/...For contractors
- ...Administrative Assistant We are seeking a highly organized, discreet, and proactive Administrative Assistant to support mission-critical operations... ...Provide comprehensive administrative support to senior leaders, program managers, and mission teams. Manage and...Work at office
- ...secretarial and clerical functions for the Station Commander, Assistant Station Commander, and Station supervisory person. Reviews... .... The assigned functional areas of this position are general administrative, procurement, and payroll. Illustrative Duties General...Work at office
$80k - $130k
...Environmental Senior Project Manager The Environmental Senior Project Manager is responsible for the successful execution of environmental consulting projects from proposal development through project closeout and collection. This role provides technical leadership...SeniorLocal area- ...Virginia, Maryland, and Washington DC is looking to fill an Office Assistant position in the Chantilly, VA showroom location. Prior... ...handling accounts payable scanning and/or copying administrative paperwork light accounting related tasks experience with...Part timeInternshipWork at office
- ...A leading technology firm is seeking a Senior Executive Support professional to provide executive... ...candidate will have at least 10 years of experience as an Executive Assistant and be proficient in Microsoft Office. A BA in HR or Administration is required. #J-18808-Ljbffr...SeniorWork at office
- ...Missionovo Llc is hiring an Executive Assistant in Herndon, VA. This full-time position requires a minimum of 3 years of executive assistant... ...Secret Security Clearance with SCI Access. You will support senior leadership by coordinating calendars, managing office...SeniorFull timeWork at office
- ...S2Technologies, LLC in Reston, VA is looking for a Senior-Level Executive Assistant to provide essential support to the Science and Technology... ...Intelligence Agency (DIA). This role entails facilitating administrative functions, managing senior leadership calendars, and...SeniorWork at office
- George Mason University is seeking an Executive Technology Support Specialist in Fairfax, VA, to deliver high-touch IT support for university executives and to provide desktop, classroom, and AV support across the institution. You will troubleshoot hardware, software, ...Senior
$26 per hour
...Position This position oversees and executes operational and administrative functions supporting VP Administration financial processes, reporting... ...support for the Vice President during the Executive Assistant's absence; Coordinate VP travel arrangements under the direction...Hourly payPart timeWork at office- Job Description Job Description Master Scheduler TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA TENICA is looking to hire a master scheduler. Must have TS/SCI and CI poly. Job location: Chantilly, VA Responsibilities...Work at office
$85k - $120k
...Position Title: Senior-Level Executive Assistant Position Overview S2Technologies is seeking a Senior-Level Executive Assistant to support the... ...Defense Intelligence Agency (DIA) by providing essential administrative and executive support services. This role ensures...SeniorWork at office$22 - $25 per hour
Description Convergint is looking for a full-time, enthusiastic, results driven and forward-thinking Administrative Assistant to join our amazing culture. As an Administrative Assistant, you are a part of a dynamic team that allows you to grow as Convergint grows....Hourly payFull timeWork at officeRemote workWork from homeFlexible hours- ...Req Name: Administrative Assistant 4 - CW Client: Lam Research Corporation Start: 03/30/2026 End: 03/24/2028 Description: Department: NA MICRON FIELD SERVICE Job Category: Administrative Job Title: Administrative Assistant 4 - CW Pay...Work at office
- ...Construction in Herndon, VA is seeking an Executive Assistant to provide high-level support to senior leaders in a full-time, in-person capacity. The... ...meeting coordination, travel planning, and meticulous administrative follow-through to keep executives organized and informed...SeniorFull timeWork at office
$80.9k - $92.3k
...Overview Senior Administrative Assistant (Administrative Support Assistant III) Capital One is seeking an exceptionally bright, self-motivated, and experienced Administrative Support Assistant III. This pivotal role supports multiple executives, ranging from Director...SeniorFull timePart timeWork at officeLocal areaImmediate start$22.5 per hour
...Student Centers, the Mason Card Office, the Child Development Center, and Parking and Transportation. About the Position The Administrative Assistant for ABS is a part-time position, typically 20-29 hours per week, providing support for the Office Manager and department...Hourly payFull timePart timeFor contractorsWork at office- ...protected by applicable law. What You’ll Do: The Executive Assistant will provide high‑level administrative and operational support to the CEO, ensuring smooth... ...in a dynamic setting. Previous experience supporting senior executives or corporate leadership teams. Experience...SeniorWork at officeWeekend workAfternoon shift3 days per week
- We are looking for a Scheduling and Staffing Administrator to support store leadership through administrative duties related to staffing, scheduling, and compliance. The ideal candidate will have experience in a retail environment and possess strongFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Administrative Assistant. Be the first to apply!
- administrative assistant Chantilly, Loudoun County, VA
- part-time administrative assistant work from home Chantilly, Loudoun County, VA
- team administrator Chantilly, Loudoun County, VA
- engineering team administrator Chantilly, Loudoun County, VA
- administrative assistant police department Chantilly, Loudoun County, VA
- administrative assistant/recruiting Chantilly, Loudoun County, VA
- administrative assistant work online from home Chantilly, Loudoun County, VA
- operations assistant Chantilly, Loudoun County, VA
- travel administrative assistant Chantilly, Loudoun County, VA
- business assistant Chantilly, Loudoun County, VA


