{"id":856516,"url":"https://alion.io/job/guidehouse-sr-onestream-developer","title":"Sr OneStream Developer","company":{"id":4179,"name":"Guidehouse","domain":"guidehouse.com","url":"https://alion.io/company/guidehouse","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":83,"open_postings":115,"ghost_share":0.009,"stale_share":0.635,"repost_share":0.026,"time_to_fill_p50_days":22,"computed_at":"2026-10-09T06:01:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Arlington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":126000,"max_usd":233000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2745},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ETL/ELT","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-09-11T00:00:00Z","employer_posted_date":"2026-09-11","last_verified_at":"2026-10-10T01:48:57Z","board_verified":true,"closed_at":null,"days_open":29,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":29},"description":"Job Family:\nSoftware Development & SupportTravel Required:\nUp to 10%Clearance Required:\nAbility to Obtain Public TrustWhat You Will Do:\nGuidehouse is currently seeking a qualified OneStream Senior Developer to support Guidehouse's Defense & Security Segment. Responsibilities will include, but are not limited to:\nLead end-to end design, development, configuration, and deployment of OneStream applications that focus on financial close, financial reconciliation, and payroll management.\n\nDevelop and maintain OneStream Business Rules, Dashboards, Cube Views, Workflow configurations, and reporting solutions.\n\nConduct thorough analysis, mapping, migration, and validation of legacy Excel and Access data into OneStream applications while ensuring data integrity and reconciliation.\n\nCollaborate with cross-functional teams to gather business requirements, prioritize features, and manage delivery of scalable solutions that enhance transparency and efficiency.\n\nLead OneStream system testing, deployments, troubleshooting, and ongoing production support.\n\nEnsure all OneStream applications adhere to federal financial management standards, audit readiness requirements, and applicable compliance frameworks.\n\nLead technical workstreams and drive design decisions.\n\nMentor and guide junior developers and manage client relationships.\n\nParticipate in Agile ceremonies, manage backlog refinement, estimate development efforts and coordinate iterative development cycles to deliver high-quality solutions.\n\n What You Will Need:\nMust be able to OBTAIN and MAINTAIN a Federal or DoD \"PUBLIC TRUST\"; candidates must obtain approved adjudication of their PUBLIC TRUST prior to onboarding with Guidehouse. Candidates with an ACTIVE PUBLIC TRUST or SUITABILITY are preferred.\n\nBachelor’s degree in engineering, computer science, finance, accounting, data analytics, information systems, or a related field.\n\nTEN (10) years of enterprise application development and implementation with deep expertise in solution design, performance optimization, integration, and complex business rule development.\n\nFIVE (5) years of hands-on OneStream configuration and end-to-end implementation ownership.\n\nOneStream Certified Associate (OCA) certification.\n\n What Would Be Nice To Have:\nOneStream Certified Lead Architect.\n\nCertifications in Agile, Scrum, or project management (e.g., PMP, CSM, SAFe).\n\nExperience integrating OneStream with SAP or other ERP systems.\n\nExperience with API integrations and automation solutions and knowledge of ETL tools and data warehousing concepts.\n\nKnowledge of GL accounting, financial close and consolidation processes, payroll accounting and accruals, account reconciliations, journal entries and reclassifications, and retroactive and corrective adjustments.\n\nUnderstanding of federal financial management processes, audit readiness requirements, and compliance standards.\n\nExcellent communication and stakeholder engagement skills, with the ability to translate technical concepts into business terms.\n\nExperience serving as a functional and technical lead for enterprise application initiatives and can lead workshops, requirements gathering sessions, and user adoption initiatives.\n\nAbility to mentor junior developers, business analysts, and business users.\n\n What We Offer:\nGuidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.\nBenefits include:\nMedical, Rx, Dental & Vision Insurance\n\nPersonal and Family Sick Time & Company Paid Holidays\n\nPosition may be eligible for a discretionary variable incentive bonus\n\nParental Leave and Adoption Assistance\n\n401(k) Retirement Plan\n\nBasic Life & Supplemental Life\n\nHealth Savings Account, Dental/Vision & Dependent Care Flexible Spending Accounts\n\nShort-Term & Long-Term Disability\n\nStudent Loan PayDown\n\nTuition Reimbursement, Personal Development & Learning Opportunities\n\nSkills Development & Certifications\n\nEmployee Referral Program\n\nCorporate Sponsored Events & Community Outreach\n\nEmergency Back-Up Childcare Program\n\nMobility Stipend\n\nAbout Guidehouse\nGuidehouse is an Equal Opportunity Employer-Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.\nGuidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.\nIf you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at . All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.\nAll communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or . Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.\nIf any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact . Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.\nGuidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.","description_format":"text","description_chars":6220,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Parental leave","Retirement plans","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Government","IT Consulting & Digital Transformation","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-09-13T06:52:20Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 24 · green card filings: 14","filings_12m":24,"filings_prev_12m":23,"green_card_filings_12m":14,"median_offered_wage_usd":132500,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":4}],"liveness":{"score":26,"band":"fade","label":"Fading","p_open":1,"p_active":0.48,"p_room":0.55,"age_days":28,"expected_fill_days":22,"reasons":["conf:3","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-10-09T06:01:00Z"},"pay":null,"html_url":"https://alion.io/job/guidehouse-sr-onestream-developer","json_url":"https://alion.io/job/guidehouse-sr-onestream-developer.json","meta":{"generated_at":"2026-10-10T02:24:57Z","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","counted_by":"address","units_charged":1,"used_today":4432,"day_limit":5000,"remaining_today":568,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"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":4179},"rest":"https://alion.io/mcp/rest/get_company?id=4179"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fguidehouse-sr-onestream-developer"},{"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%2Fguidehouse-sr-onestream-developer"},{"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%2Fguidehouse-sr-onestream-developer"},{"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/guidehouse-sr-onestream-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fguidehouse-sr-onestream-developer"}]}