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Mission Support Administrator

Core One · McLean, VA · Active · Greenhouse

Job facts

FieldValue
CompanyCore One
TitleMission Support Administrator
Normalized title-
Department / teamOperational Support
LocationMcLean, VA, United States
Work model-
Employment type-
Salary-
Statusactive
ATS providerGreenhouse
Posted / first seen2024-09-18 / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Core One.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Greenhouse.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in McLean.Open
Department jobsActive postings in Operational Support.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyCore One
Sourcee1339707-90d6-45ea-bc83-bb048405990c
ATS providerGreenhouse

Description

THIS POSITION REQUIRES A CURRENT TS/SCI with Polygraph clearances . Core One seeks an experienced Mission Support Administrator to support the US Government in the Northern Virginia area. The candidate will be responsible for coordinating and executing administrative support functions to ensure the orderly and efficient accomplishment of the work of a Government group, office, program or project, or its leadership team PRIMARY RESPONSIBILITIES Administrative Workflow Management Serve as action officer or focal point, taking ownership in providing E2E support to a process or program. This includes follow-up, tracking, monitoring, coordination through multiple levels, and bringing the process/program to completion. Lead the day-to-day administrative activities of a work unit. Maintain schedule of appointments, coordinate meetings, and follow-up on requirements bringing them to completion. In collaboration with government POC, interpret and apply established policies and regulations, including application to unique situations or under unique conditions. Oversee, coordinate, and monitor task completion of other contractors. Analyze statistics and develop metrics to evaluate and summarize process or program results. Coordinate process workflow and resolution of issues across multiple work units. Troubleshoot and quality check process or workflow results. Create and deliver status or informational briefings on project, process, function, or business area to various audiences. Gather budget requirements and/or monitor spend plans related to project, function, or business area. Provide back up support in absence of Program/Project Managers. Administrative Support: Manage or assist in managing the administrative workflow and day-to day activities of a work unit. Maintain schedule of appointments, monitor email and telephone for a manager or other officers in work unit. Coordinate and/or assist with planning, scheduling, organizing, and executing meetings, conferences and off-sites; may participate in meetings and events, serving as a recorder; may brief or present administrative support related information. With guidance from the Sponsor, represent work unit at meetings and in Agency working groups. Coordinate or assist with office move activities, construction, or renovation projects within work unit. Coordinate the administrative schedule with Sponsor POC. Greet and/or escort all office visitors. Integrate Support Using IT Applications Serve as time and attendance recorder and/or administrator. Learn trouble-shooting techniques and procedures for other databases, update websites/SharePoint sites; run reports; perform database clean up tasks. Arrange travel, coordinate itineraries, including passport/visa/cover requirements. Create and submit travel, training and POV vouchers. Order supplies, maintain inventory, issue equipment, provide basic trouble-shooting and arrange for equipment repairs, oversee and account for inventory. Open, sort and distribute incoming mail, newspapers, faxes or other documents. Track and monitor status of incoming and outgoing cable traffic. Pass and receive clearances; prepare visitor requests and access lists as necessary; serve as vault custodian. Process and Workflow Management Plan, organize, schedule and/or execute routine or transactional steps in a process, initiate requests for needed reports Prepare, track, and analyze statistics or metrics related to supported process or program. Maintain and update assignment-specific databases or spreadsheets. Prepare and brief status reports. Research, retrieve, and analyze data and information from multiple sources. With Sponsor guidance, interpret and take action consistent with established policies and regulations. Create, deliver, or participate in assignment-specific briefings to various audiences. Review, edit or draft original written products. Monitor spend plans or budget execution rates related to project Quality Assurance Review all process/program documentation for accuracy and completeness. Adhere to Agency/Intelligence Community (IC) regulations, policies, and procedures to ensure all activities are in compliance. Seek Sponsor guidance on acceptable deviations and adapt activities as appropriate. REQUIRED SKILLS Extensive knowledge of Microsoft Office Suite applications (e.g., Power Point, Word, Outlook, Excel) Basic understanding of Project Management fundamentals, sufficient to plan, coordinate, and execute E2E administrative support to a process, project/program or functional area. Analytical skills sufficient to assess and interpret highly complex information from multiple sources and develop insightful recommendations and solutions. Excellent communication skills sufficient to respond to customers’ complex questions; communicate procedures and processes to management, co-workers, customers, and stakeholders; and to provide guidance on pertinent changes to business functions and operations in a manner that is easily understood. Writing skills sufficient to compose original, non-template, clear and concise moderately complex written products. Planning and organizational skills to systematically manage, coordinate, track, and complete work flow activities. Representational skills (tact, diplomacy, protocol) to represent work unit at meetings, events, forums and in Agency Working Groups, with Sponsor guidance. Strong interpersonal skills to gather task information, project requirements, project specifications from customers and to maintain effective working relationships with team and customers. Time management skills to meet and adapt to changing requirements or priorities. Ability to establish, maintain, and leverage a wide range of contacts and professional relationships to network and liaise across the Agency/IC. Ability to be discreet and maintain confidentiality. Ability to teach, train and guide less experienced administrative support contractors, fostering an understanding of the rationale for processes and procedures. About Core One Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first and is comprised of outstanding professionals from the national security community. Because Core One is committed to seeking top talent, we offer competitive compensation and benefits packages. In addition, Core One is a team-oriented, dynamic and growing company that values exceptional performance. Core One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, or protected veteran status and will not be discriminated against on the basis of disability. __PRESENT __PRESENT __PRESENT

Full job record

Job ID8a1d512c92d0c26addfcac361b7ba72273a4d29a
Org IDa5d09ed9-38ce-4330-9284-fe4f7888f374
Source IDe1339707-90d6-45ea-bc83-bb048405990c
Board IDe1339707-90d6-45ea-bc83-bb048405990c
Providergreenhouse
Provider Job Key7645063002
TitleMission Support Administrator
Normalized Title
Statusactive
Activeyes
Location TextMcLean, VA
DepartmentOperational Support
Team
Employment Type
Workplace Type
Remote Policy
CountryUnited States
RegionVA
CityMcLean
Salary Raw
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://job-boards.greenhouse.io/coreone/jobs/7645063002
Apply URLhttps://job-boards.greenhouse.io/coreone/jobs/7645063002
First Seen At2026-05-29 22:42:30Z
Last Seen At2026-06-06 07:35:18Z
Last Checked At2026-06-06 07:35:18Z
Last Changed At2026-05-29 22:42:30Z
Inactive At
Source Posted At2024-09-18 19:40:02Z
Source Updated At2026-05-20 16:18:08Z
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=greenhouse/board=coreone/date=2026-06-06/2026-06-06T07-35-18-173Z-9e0fb3c1fcdb33f2b2f7383a921f64318b26e032d28efde708d0a8f411c87d69.json
Event Fields
{
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  "source_hash": "34109e06646eef047e149c69669c0b082ecdf3b44767b416185c468c728b1fdf",
  "last_changed_at": "2026-05-29T22:42:30.170Z",
  "active_status": "active"
}
Parsed Structured
{
  "language": "en",
  "location": {
    "raw": "McLean, VA",
    "city": "McLean",
    "region": "VA",
    "country": "United States",
    "is_remote": false,
    "confidence": 0.9
  },
  "salary_max": null,
  "salary_min": null,
  "inferred_at": "2026-06-06T07:35:18.401Z",
  "launch_scope": {
    "reason": "english_us_canada",
    "included": true,
    "language": "en",
    "location": {
      "raw": "McLean, VA",
      "city": "McLean",
      "region": "VA",
      "country": "United States",
      "is_remote": false,
      "confidence": 0.9
    },
    "countries": [
      "United States"
    ]
  },
  "remote_policy": null,
  "salary_period": null,
  "workplace_type": null,
  "salary_currency": null
}
Extensions
{}
Native Structured
{
  "title": "Mission Support Administrator ",
  "offices": [
    {
      "id": 4018529002,
      "name": "Sterling, VA",
      "location": null,
      "child_ids": [],
      "parent_id": null
    }
  ],
  "language": "en",
  "location": {
    "name": "McLean, VA"
  },
  "metadata": [
    {
      "id": 102716165002,
      "name": "Category",
      "value": null,
      "value_type": "short_text"
    }
  ],
  "updated_at": "2026-05-20T12:18:08-04:00",
  "departments": [
    {
      "id": 4106779002,
      "name": "Operational Support",
      "child_ids": [
        4132101002,
        4112562002,
        4125990002
      ],
      "parent_id": null
    }
  ],
  "company_name": "Core One",
  "requisition_id": 6007248002,
  "first_published": "2024-09-18T15:40:02-04:00",
  "application_deadline": null
}
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