{"id":3103086,"url":"https://alion.io/job/mbxbio-payroll-specialist","title":"Payroll Specialist","company":{"id":2359299,"name":"MBX Biosciences","domain":"mbxbio.com","url":"https://alion.io/company/mbxbio","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Finance","role_family":"Finance","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Carmel, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":56000,"max_usd":116000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1839},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"GLP","optional":false}],"status":"live","first_seen_at":"2026-10-22T16:42:48Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-30T09:15:28Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Working with Us\nMBX Biosciences is a clinical-stage biopharmaceutical company headquartered in Carmel, Indiana, with a secondary office in Burlington, MA. Our mission is to transform the lives of people impacted by endocrine and metabolic disorders through our novel precision peptides.\nLeveraging our proprietary Precision Endocrine Peptides (PEPs)™ platform, we are pioneering technology designed to overcome key limitations of existing therapies and enhance efficacy, tolerability, safety and convenience. Our team is advancing a pipeline of novel candidates with clinically validated targets, established endpoints for regulatory approval, and strong market potential.\nOur pipeline includes canvuparatide (MBX 2109) for the treatment of chronic hypoparathyroidism, currently preparing for Phase 3 development, and a growing obesity portfolio that includes MBX 4291 in Phase 1 development, MBX 5765, a next-generation amycretin prodrug designed for once-monthly-dosing, as well as MBX 6180, a GLP/GIP/GCGR triple agonist prodrug for once monthly dosing; all of which optimize our PEP platform.\nIf you’re passionate about advancing innovative treatments for patients and shaping the future of precision peptide therapeutics, this is your chance to make a real impact alongside a fast-paced, growing, mission-driven team. To learn more, visit our website mbxbio.com and follow us on LinkedIn.\nWhat You’ll Do\n MBX Biosciences is seeking a Payroll Specialist to be responsible for timely and accurate payroll processing and related tax reporting for MBX Biosciences. Key responsibilities will include handling payroll functions, including handling semi-monthly payroll preparation, managing deductions, and addressing any payroll-related inquiries. You will also take responsibility for all payroll tax jurisdiction maintenance and correspondence. Communication, organizational skills, and attention to detail, as well as the ability to multi-task, are key to successful incumbents consistently functioning at the highest level with the utmost regard for the MBX’s mission & values. A proactive attitude and a problem-solving mindset are vital for thriving in this dynamic environment. \nIncluding but not limited to: \nAssist in the preparation of multi-state semi-monthly payroll\nPrepare semi-monthly payroll journal entries and assist with monthly/quarterly payroll reconciliations.\nResponsible for maintaining up-to-date registrations for all applicable state and local tax jurisdictions and any related correspondence with jurisdictions\nCoordinate with Human Resources on payroll matters related to new hires, terminations, changes in salary, tax withholdings, deductions, benefit changes, leave of absences and any other employee pay changes\nVerify, remit and finalize the transmission of employee deductions for 401(k) and HSA to our respective plan provider.\nProcess equity related compensation accurately for W-2 purposes, as applicable\nMaintain files and documentation thoroughly and accurately, in accordance with company policy, generally accepted accounting policies and Sarbanes Oxley (SOX)\nSupport year-end IRS form reporting process, including verifying accuracy of employee W-2s and supporting preparation of Form 3921s and Form 3922s.\nSupports Controllership/Finance department on miscellaneous/ad-hoc projects.\nOther responsibilities as assigned\nWhat You Bring\n3+ years of experience in payroll processing in multi-state environments\nBachelor’s degree; major in Business related field preferred\nExtensive knowledge or state specific payroll tax and experience managing multiple state registrations and ongoing compliance\nExperience processing equity related payroll information (i.e. NQSO, ISO’s, RSU, disqualifying dispositions) in coordination with a captive broker\nExperience in a company subject to SOX compliance\nProficiency with Paycor & NetSuite a plus\nVery detail-oriented and well organized\nAbility to work independently in a fast-paced environment and handle multiple projects at once\nTravel\nYou will be expected to travel periodically based on the needs of the business to the extent requested by the Company including attendance at Together Weeks, Together Days and functional meetings as requested by the Company.\nCompany Overview:\nMBX Biosciences is a clinical-stage biopharmaceutical company headquartered in Carmel, Indiana, with a secondary office in Burlington, MA. Our mission is to transform the lives of people impacted by endocrine and metabolic disorders through our novel precision peptides.\nLeveraging our proprietary Precision Endocrine Peptides (PEPs)™ platform, we are pioneering technology designed to overcome key limitations of existing therapies and enhance efficacy, tolerability, safety and convenience. Our team is advancing a pipeline of novel candidates with clinically validated targets, established endpoints for regulatory approval, and strong market potential.\nOur pipeline includes canvuparatide (MBX 2109) for the treatment of chronic hypoparathyroidism, currently preparing for Phase 3 development, and a growing obesity portfolio that includes MBX 4291 in Phase 1 development, MBX 5765, a next-generation amycretin prodrug designed for once-monthly-dosing, as well as MBX 6180, a GLP/GIP/GCGR triple agonist prodrug for once monthly dosing; all of which optimize our PEP platform.\nIf you’re passionate about advancing innovative treatments for patients and shaping the future of precision peptide therapeutics, this is your chance to make a real impact alongside a fast-paced, growing, mission-driven team. To learn more, visit our website mbxbio.com and follow us on LinkedIn\nEEO Statement: \nMBX Biosciences is an Equal Opportunity Employer and is committed to treating all applicants fairly without discrimination. We welcome applications from all individuals, regardless of race, national origin, gender, age, physical characteristics, social origin, disability, union membership, religion, family status, pregnancy, sexual orientation, gender identity, gender expression or any unlawful criterion under applicable law.","description_format":"text","description_chars":6083,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Biotechnology","Health Care","Science & Engineering"],"lifecycle":[{"event":"open","at":"2026-10-22T18:02:04Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":7,"expected_fill_days":63,"reasons":["conf:0","win:early"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/mbxbio-payroll-specialist","json_url":"https://alion.io/job/mbxbio-payroll-specialist.json","meta":{"generated_at":"2026-10-30T12:32:24Z","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":17947,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":2359299},"rest":"https://alion.io/mcp/rest/get_company?id=2359299"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmbxbio-payroll-specialist"},{"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%2Fmbxbio-payroll-specialist"},{"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%2Fmbxbio-payroll-specialist"},{"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/mbxbio-payroll-specialist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmbxbio-payroll-specialist"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3103086}},{"tool":"search_jobs","arguments":{"company":"mbxbio.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3103086},"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. 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