{"id":3975745,"url":"https://alion.io/job/mantech-senior-administrative-assistant","title":"Senior Administrative Assistant","company":{"id":179527,"name":"ManTech","domain":"mantech.com","url":"https://alion.io/company/mantech","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":75,"ghost_share":0,"stale_share":0,"repost_share":0.04,"time_to_fill_p50_days":15,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Administrative","role_family":"Administrative","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":87600,"max":145700,"currency":"USD","period":"year","gross":null,"usd_annual":145700},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"Outlook","optional":false}],"status":"live","first_seen_at":"2026-11-09T17:56:49Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T17:56:49Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!\nMANTECH 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.\nResponsibilities include but are not limited to:\nProvide 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)\nOversees the administrative and clerical functions in support of the assigned team, contracts, projects, or tasks\nSchedule meetings and reserve conference rooms\nAttend and facilitate meetings, and capture meeting minutes (as directed)\nPerforms other duties as assigned, such as Human Resources, Records Management, Facilities (to include escorting), and Security functions\nProvide coverage (as needed) across functional Administrative Team.\nDomestic travel up to 25%\nMinimum Qualifications:\nHigh School Diploma and 8+ years of experience, or Bachelor’s Degree and 2+ years of experience.\nDemonstrated proficiency in Microsoft Office tools (to include: Outlook, MSWord, Excel, PowerPoint, etc.).\nPossess excellent organization and time-management skills\nPossess strong Typing Skills (50+ wpm).\nAbility to work independently on tasks (with minimal guidance).\nHave exceptional oral and written communication, organizational skills, and team-building skills.\nExperience working in fast-paced environments and working under quick timelines assisting multiple clients.\nPreferred Qualifications:\nDemonstrate expert-level analytical and Critical Thinking Skills.\nHave strong interpersonal, people, and listening skills.\nBe responsive to tasking and able to work well independently and in groups.\nPrevious NRO experience is highly desired.\nExperience with customer program eTrip\nSecurity Clearance Requirement:\nActive/current TS/SCI with Polygraph is required.\nPhysical Requirements:\nMust be able to remain in a stationary position 50%\nNeeds to occasionally move about inside the office to access file cabinets, office machinery, etc.\nFrequently communicates with co-workers, management, and customers, which may involve delivering presentations\nThe projected compensation range for this position is $87,600.00-$145,700.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.\nMANTECH 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.\nIf you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.","description_format":"text","description_chars":3844,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Information Security","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-11-09T17:56:49Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":15,"reasons":["conf:2","win:early","comp:brand"],"computed_at":"2026-11-09T20:40:24Z"},"pay":{"stated_usd_annual":145700,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-senior-administrative-assistant","json_url":"https://alion.io/job/mantech-senior-administrative-assistant.json","meta":{"generated_at":"2026-11-09T20:40:24Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8073,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":179527},"rest":"https://alion.io/mcp/rest/get_company?id=179527"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmantech-senior-administrative-assistant"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmantech-senior-administrative-assistant"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmantech-senior-administrative-assistant"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mantech-senior-administrative-assistant\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-senior-administrative-assistant"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3975745}},{"tool":"search_jobs","arguments":{"company":"mantech.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3975745},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}