{"id":236955,"url":"https://alion.io/job/mariana-minerals-administrative-assistant","title":"Administrative Assistant","company":{"id":8004,"name":"Mariana Minerals","domain":"marianaminerals.com","url":"https://alion.io/company/marianaminerals","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":86,"open_postings":14,"ghost_share":0,"stale_share":0.571,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Administrative","role_family":"Administrative","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Houston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":34000,"max_usd":74000,"period":"year","method":"role_country_seniority_unknown","sample_n":10823},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-08-26T19:07:40Z","employer_posted_date":"2026-08-26","last_verified_at":"2026-10-22T08:21:46Z","board_verified":true,"closed_at":null,"days_open":56,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":56},"description":"About Mariana Minerals\nMariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.\nThe Role\nWe are seeking a highly organized and proactive Administrative Assistant to support day-to-day administrative operations at our Houston office. This role is ideal for someone early in their career who is detail-oriented, resourceful, and eager to grow within an operations or executive support function.\nThe Administrative Assistant will provide administrative support to the CFO, including calendar and travel coordination and expense management, while also supporting day-to-day office operations. The role will also serve as backup to the Executive Assistant as needed. This position requires strong communication skills, flexibility, sound judgment, and the ability to manage competing priorities in a fast-paced environment.\nWhat You’ll Do\nAdministrative & Calendar Support\nAssist with scheduling meetings, managing calendars, and coordinating internal and external appointments\n\nHelp prepare meeting materials, agendas, and notes as needed\n\nSupport coordination of cross-functional meetings and company events\n\nTravel & Logistics\nBook and manage domestic and international travel (flights, hotels, ground transportation)\n\nHandle last-minute travel changes and troubleshoot logistical issues\n\nExpense & Reporting Support\nPrepare and submit expense reports in a timely and accurate manner\n\nReconcile receipts and assist with tracking budgets or spending reports\n\nOn-Site & Office Support\nProvide in-office support as needed\n\nCoordinate office supplies, deliveries, and facilities-related requests\n\nAssist with visitor management and on-site meeting logistics\n\nSupport internal events and team off-sites\n\nExecutive Assistant Backup\nServe as backup to the Executive Assistant during absences\n\nProvide overflow support during high-volume periods\n\nAssist with special projects and ad hoc requests\n\nDesired Qualifications\n1-3+ years of administrative or office support experience preferred\n\nStrong organizational skills and attention to detail\n\nExcellent written and verbal communication skills\n\nProficiency in Microsoft Office\n\nExperience with expense management and calendar systems preferred\n\nAbility to handle confidential information with discretion\n\nStrong time management and prioritization skills\n\nProblem-solving mindset\n\nProfessional and service-oriented approach\n\nAdaptability in a fast-paced environment\n\nTeam player with a positive attitude\n\nOur culture is built on four principles:\nEveryone Gets Home Safe. We never put speed or cost ahead of people.\nExtreme Ownership. We take full responsibility for outcomes, relentlessly driving toward solutions.\nEngineer Out Requirements, then Automate. We simplify, optimize, and then automate for scale.\nShare Your Legos. We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.\nJoin us as we build the future of responsible mineral sourcing and supply!","description_format":"text","description_chars":3206,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Company events"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Mining","Mining Tech","Non-ferrous Metals"],"lifecycle":[{"event":"open","at":"2026-09-05T10:10:26Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 15","filings_12m":15,"filings_prev_12m":2,"green_card_filings_12m":0,"median_offered_wage_usd":152500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":22,"band":"cold","label":"Long shot","p_open":1,"p_active":0.398,"p_room":0.55,"age_days":56,"expected_fill_days":40,"reasons":["conf:1","stale_co","velocity","win:tail"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/mariana-minerals-administrative-assistant","json_url":"https://alion.io/job/mariana-minerals-administrative-assistant.json","meta":{"generated_at":"2026-10-22T10:19:11Z","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":7548,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":8004},"rest":"https://alion.io/mcp/rest/get_company?id=8004"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmariana-minerals-administrative-assistant"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fmariana-minerals-administrative-assistant"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fmariana-minerals-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/mariana-minerals-administrative-assistant\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmariana-minerals-administrative-assistant"}]}