{"id":4326956,"url":"https://alion.io/job/costar-group-sem-specialist-analytics-modeling-homes-com","title":"SEM Specialist, Analytics & Modeling, Homes.com","company":{"id":6056,"name":"CoStar Group","domain":"costargroup.com","url":"https://alion.io/company/costargroup","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":88,"open_postings":67,"ghost_share":0,"stale_share":0.463,"repost_share":0,"time_to_fill_p50_days":47,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Operations","role_family":"Operations","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":["Irvine, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Microsoft Excel","optional":false},{"name":"ChatGPT","optional":true},{"name":"Claude","optional":true},{"name":"Power BI","optional":true},{"name":"Prompt Engineering","optional":true},{"name":"Python","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-11-13T00:00:00Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-15T01:48:22Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"SEM Specialist, Analytics & Modeling, Homes.comJob Description\nCoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.\nWe have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.\nHomes.com is reimagining the home search experience for consumers and agents alike. We are empowering people to discover homes, share insights and make connections on their terms - disrupting a multi-billion industry.\nAlready one of the fastest growing real estate portals in the industry, we are driven to be #1. Just ask Brad Bellflower, Chief Change Officer at Apartments.com. After its acquisition in 2014, Apartments.com quickly turned into the most popular place to find a place. Proven success at the highest level - and we’re doing it again with the new Homes.com.\nWhat We Are Looking For:\nCoStar Group is currently looking for a highly motivated SEM Specialist, Analytics & Modeling to support paid search, SEO, and broader growth marketing efforts. In this role, you will work closely with the SEM Manager and analytics partners to analyze performance, support optimization efforts, and help surface insights through data and reporting.\nThe successful candidate will have a foundational understanding of search engine marketing, paired with strong analytical skills and the ability to work with internal business KPIs and marketplace data to help identify areas for optimization across platforms, geographies, and lead types.\nThis position is located onsite in our Irvine, CA office.\nResponsibilities:\nAnalyze Google and Bing paid search performance to help identify trends and optimization opportunities across geographies, lead types, and demand segments.\nSupport SEM practitioners by analyzing the impact of bids, budgets, keyword strategies, and targeting decisions using established analytical frameworks.\nAssist in connecting paid search performance to internal business KPIs such as lead quality, conversion rates, and regional marketplace performance.\nBuild and maintain basic analytical models and analyses to help back-test ideas and evaluate potential optimizations using historical data. \nSupport forecasting and scenario analyses to help project outcomes of proposed SEM changes under guidance from senior team members.\nAssist with test-and-learn initiatives by helping define metrics, analyzing results, and documenting learnings.\nAssist in developing testing plans to measure incrementality.\nCreate and maintain weekly and monthly reports and dashboards that highlight performance trends and key insights.\nClearly communicate findings and insights to the SEM Manager and stakeholders in a concise and actionable manner. \nBasic Qualifications:\nBachelor’s degree from an accredited, not-for-profit University or College in Analytics, Statistics, Economics, Business, Marketing, or a related quantitative field.\n5+ years of experience in a data analytics or performance analytics role supporting digital marketing, paid media, or growth teams.\nWorking knowledge of SEM fundamentals, including auctions, bidding strategies, match types, quality score, and conversion measurement.\nStrong proficiency in Microsoft Excel for analysis, reporting, and basic modeling.\nComfort working with large datasets to identify trends and support recommendations.\nMetrics-focused mindset with the ability to clearly communicate insights through reports and presentations.\nStrong verbal and written communication skills.\nDetail-oriented, curious, and eager to learn, with a growth mindset and interest in search and analytics. \nPreferred Qualifications:\nExposure to paid search programs spanning multiple geographies or large datasets.\nFamiliarity with attribution concepts and test-and-learn methodologies.\nExperience using SEM or analytics tools such as Google Analytics, Search Ads 360, SEMrush, or similar platforms.\nIntroductory experience with SQL, Python, or R for data analysis is a plus but not required.\nAdvanced Excel and basic PowerPoint skills for reporting and presentations.\nKnowledge of Microsoft Power BI\nKnowledge of AI tools (Claude, ChatGPT etc.) and prompt engineering\nWHAT’S IN IT FOR YOU?\nWhen you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.\nWe offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, and tuition reimbursement.\nOur benefits package includes (but is not limited to):\nComprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug\nLife, legal, and supplementary insurance\nVirtual and in person mental health counseling services for individuals and family\nCommuter and parking benefits\n401(K) retirement plan with matching contributions\nEmployee stock purchase plan\nPaid time off\nTuition reimbursement\nOn-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes\nAccess to CoStar Group’s Employee Resource Groups\nComplimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks\nWe welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.\nThe final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.\nBase Compensation: $85,000-$1115,000 Annually\n#Homes.com\nCoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing","description_format":"text","description_chars":6639,"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":false,"languages":[]},"benefits":["Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Real Estate","Commercial Real Estate","Residential Real Estate","PropTech"],"lifecycle":[{"event":"open","at":"2026-11-15T01:48:22Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":47,"reasons":["conf:0","win:early","comp:brand"],"computed_at":"2026-11-15T02:14:36Z"},"pay":null,"html_url":"https://alion.io/job/costar-group-sem-specialist-analytics-modeling-homes-com","json_url":"https://alion.io/job/costar-group-sem-specialist-analytics-modeling-homes-com.json","meta":{"generated_at":"2026-11-15T02:14:36Z","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":4180,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-16T00:00:00Z"}},"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":6056},"rest":"https://alion.io/mcp/rest/get_company?id=6056"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcostar-group-sem-specialist-analytics-modeling-homes-com"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fcostar-group-sem-specialist-analytics-modeling-homes-com"},{"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%2Fcostar-group-sem-specialist-analytics-modeling-homes-com"},{"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/costar-group-sem-specialist-analytics-modeling-homes-com\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcostar-group-sem-specialist-analytics-modeling-homes-com"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4326956}},{"tool":"search_jobs","arguments":{"company":"costargroup.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4326956},"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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