{"id":1966642,"url":"https://alion.io/job/theleadingpath-data-engineer-python-nifi-tssci-poly","title":"Data Engineer (Python, NiFi) - TS/SCI Poly","company":{"id":679224,"name":"Theleadingpath","domain":"theleadingpath.com","url":"https://alion.io/company/theleadingpath","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":90,"open_postings":5,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-10-08T05:49:30Z"}},"role":"Data Science","role_family":"Data Science","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":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":112000,"max_usd":242000,"period":"year","method":"role_country_seniority_unknown","sample_n":2605},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Aider","optional":false},{"name":"Apache NiFi","optional":false},{"name":"Cassandra","optional":false},{"name":"Claude Code","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Flask","optional":false},{"name":"Machine Learning","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-06T17:40:34Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-09T01:44:44Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"We’re looking for a Data Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back-end engineering with data pipeline development and is perfect for someone who enjoys designing modular services and bringing structure to complex data environments.\nAs part of our Agile team, you’ll design and develop software products and services that efficiently ingest, process, and manage data from a variety of sources. You’ll play a key role in building robust, reusable APIs and data pipelines that support critical operational and analytical systems.\nKEY RESPONSIBILITIES\n· Design and develop scalable backend services and data ingestion solutions.\n· Perform data modeling, data mapping, and large-scale file manipulation.\n· Collaborate across disciplines in an Agile environment with minimal supervision.\n· Drive innovation and process improvement with a hands-on development approach.\n· Optimize application for maximum speed and scalability.\nQUALIFICATIONS\n· Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.\n· At least five (5) years of related experience software engineering experience.\nREQUIRED KNOWLEDGE/SKILLS\n· Knowledge of NodeJS or Python\n· Strong understanding of APIs, microservices, and distributed systems.\n· Strong understanding of Large Language Models (LLMs) and using them to enrich data\n· Solid experience in building and maintaining ETL workflows and data pipelines.\n· Excellent organizational, coordination, interpersonal and team building skills.\n· Familiarization with NoSQL datastores.\n· Familiarization with MCP Servers and API management\nDESIRED KNOWLEDGE/SKILLS\n· NiFi experience\n· Experience with Flask Application Development\n· Experience with Claude Code, Codex, NemoClaw, Aider, Kiro, Gemini CLI, OpenCode or other AI harness.\n· Familiarity with Machine Learning Operations (MLOps)\n· Hands-on experience working with Elastic and RabbitMQ\n· NoSQL experience (i.e. MongoDB)\n· Cloud based and Distributed architecture creation or experience\n· Experience developing on the Amazon Web Services Cloud or other cloud provider.\n· Graph Databases (Janus/Cassandra).\n· Graph Query Languages.\nRequirements\nActive TS/SCI w/ FS Poly required\nKEY RESPONSIBILITIES\n· Design and develop scalable backend services and data ingestion solutions.\n· Perform data modeling, data mapping, and large-scale file manipulation.\n· Collaborate across disciplines in an Agile environment with minimal supervision.\n· Drive innovation and process improvement with a hands-on development approach.\n· Optimize application for maximum speed and scalability.\nQUALIFICATIONS\n· Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.\n· At least five (5) years of related experience software engineering experience.\nREQUIRED KNOWLEDGE/SKILLS\n· Knowledge of NodeJS or Python\n· Strong understanding of APIs, microservices, and distributed systems.\n· Strong understanding of Large Language Models (LLMs) and using them to enrich data\n· Solid experience in building and maintaining ETL workflows and data pipelines.\n· Excellent organizational, coordination, interpersonal and team building skills.\n· Familiarization with NoSQL datastores.\n· Familiarization with MCP Servers and API management\nDESIRED KNOWLEDGE/SKILLS\n· NiFi experience\n· Experience with Flask Application Development\n· Experience with Claude Code, Codex, NemoClaw, Aider, Kiro, Gemini CLI, OpenCode or other AI harness.\n· Familiarity with Machine Learning Operations (MLOps)\n· Hands-on experience working with Elastic and RabbitMQ\n· NoSQL experience (i.e. MongoDB)\n· Cloud based and Distributed architecture creation or experience\n· Experience developing on the Amazon Web Services Cloud or other cloud provider.\n· Graph Databases (Janus/Cassandra).\n· Graph Query Languages.\nBenefits\nLeading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients. We offer a professional and family friendly work environment with a strong work-life balance. Leading Path provides a comprehensive and competitive benefits package including fully paid medical/dental/vision premiums, generous PTO, 11 Paid Holidays, 6% 401K contribution, annual training and tuition reimbursement, SPOT Award bonuses, regular team events, opportunities for professional growth and advancement and much more!","description_format":"text","description_chars":4725,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-06T17:40:34Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":14,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-08T05:49:30Z"},"pay":null,"html_url":"https://alion.io/job/theleadingpath-data-engineer-python-nifi-tssci-poly","json_url":"https://alion.io/job/theleadingpath-data-engineer-python-nifi-tssci-poly.json","meta":{"generated_at":"2026-10-09T04:45:20Z","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":4705,"day_limit":5000,"remaining_today":295,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}},"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":679224},"rest":"https://alion.io/mcp/rest/get_company?id=679224"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftheleadingpath-data-engineer-python-nifi-tssci-poly"},{"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%2Ftheleadingpath-data-engineer-python-nifi-tssci-poly"},{"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%2Ftheleadingpath-data-engineer-python-nifi-tssci-poly"},{"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/theleadingpath-data-engineer-python-nifi-tssci-poly\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftheleadingpath-data-engineer-python-nifi-tssci-poly"}]}