{"id":1637451,"url":"https://alion.io/job/markon-solutions-senior-data-scientist","title":"Senior Data Scientist","company":{"id":3863685,"name":"Markon Solutions","domain":"markonsolutions.com","url":"https://alion.io/company/markon-solutions","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Data Science","role_family":"Data Science","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":["Annapolis Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":210000,"currency":"USD","period":"year","gross":null,"usd_annual":210000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Cassandra","optional":false},{"name":"Java","optional":false},{"name":"MySQL","optional":false},{"name":"Neo4j","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Scala","optional":false},{"name":"SQL","optional":false},{"name":"Apache Kafka","optional":true},{"name":"Hadoop","optional":true},{"name":"Machine Learning","optional":true},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2026-10-01T21:39:16Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-06T20:28:30Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Description\nPLEX Solutions, Part of Markon, is looking for a Sr. Data Scientist to support a program in the Annapolis Junction, MD area.\nResponsibilities\nDevelop and maintain robust and scalable data pipelines for enterprise AI applications including defining appropriate data model concepts\nDevelop high-performance data parsers for extremely large and complex datasets\nImplement and manage various database systems, including graph, SQL, NoSQL, and vector database\nCollaborate with AI/ML engineers and data scientists to understand data requirements and optimize data access and retrieval for AI models\nEnsure data quality, integrity, and security across all data storage solutions\nSupport the deployment and maintenance of AI applications by providing expert data engineering capabilities\nFamiliarity with AI concepts in the context of data storage, access, and retrieval\nContinuously optimize data infrastructure for performance, cost-efficiency, and scalability\nQualifications\nActive TS/SCI W/ Polygraph \nBachelor's degree in a relevant technical field with 8 years of experience; Master's degree in a relevant technical field with 5 years of experience; 4 years additional experience will be considered in lieu of degree\n\nAdvanced proficiency in programming languages commonly used for data engineering (e.g., Python, Java, Scala)\n\nDemonstrated expertise in designing, developing, and optimizing data pipelines for large-scale enterprise environments\n\nProven experience with corporate dataflows and developing data parsers for extremely large datasets\n\nExtensive experience with various database technologies including graph databases (e.g., Neo4j), SQL databases (e.g., PostgreSQL, MySQL), NoSQL databases (e.g., MongoDB, Cassandra), and vector databases\n\nFamiliarity with cloud platforms (AWS, Microsoft Azure) for data storage and processing\n\nPreferred Qualifications:\nExperience with data governance, data security, and compliance best practices\nFamiliarity with big data technologies such as Hadoop, Spark, or Kafka.\nExperience with data warehousing concepts and tools\nContinuous learning mindset to stay abreast of cutting-edge data engineering and AI advancements\nUnderstanding of machine learning concepts and their implications for data infrastructure\nExcellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams\nAbility to translate complex data requirements into actionable engineering solutions\nSalary Range\nUSD $150,000.00 - USD $210,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview\nEager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.\nAt Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.\nHeadquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.\nMarkon values people and the tremendous impact each individual can make - which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.\nMarkon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.\nBenefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.","description_format":"text","description_chars":4943,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Continuous learning","Equity","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-01T21:39:16Z"}],"visa":[],"liveness":{"score":99,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.993,"p_room":1,"age_days":4,"expected_fill_days":30,"reasons":["conf:1","urgency","velocity","win:early","comp:brand"],"computed_at":"2026-10-06T05:45:30Z"},"pay":{"stated_usd_annual":210000,"is_top_pay":true},"html_url":"https://alion.io/job/markon-solutions-senior-data-scientist","json_url":"https://alion.io/job/markon-solutions-senior-data-scientist.json","meta":{"generated_at":"2026-10-06T21:42:15Z","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":1449,"day_limit":5000,"remaining_today":3551,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"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":3863685},"rest":"https://alion.io/mcp/rest/get_company?id=3863685"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmarkon-solutions-senior-data-scientist"},{"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%2Fmarkon-solutions-senior-data-scientist"},{"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%2Fmarkon-solutions-senior-data-scientist"},{"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/markon-solutions-senior-data-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmarkon-solutions-senior-data-scientist"}]}