{"id":688926,"url":"https://alion.io/job/fantomcorp-software-engineer-elasticsearch","title":"Software Engineer, Elasticsearch","company":{"id":673180,"name":"Fantom Corporation","domain":"fantomcorp.com","url":"https://alion.io/company/fantomcorp","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":75,"open_postings":12,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","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":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":136000,"max_usd":252000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Solr","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"ElasticSearch","optional":false},{"name":"Hadoop","optional":false},{"name":"HBase","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Platform Engineering","optional":false},{"name":"pySpark","optional":false},{"name":"Spark","optional":false},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-07-31T16:49:18Z","employer_posted_date":"2026-07-31","last_verified_at":"2026-10-30T06:43:02Z","board_verified":true,"closed_at":null,"days_open":90,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":90},"description":"Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth.\nWe are seeking an experienced Search Software Engineer to develop and optimize enterprise search capabilities supporting mission-critical applications. This role focuses on backend Java development, search platform engineering, and big data technologies to build scalable, high-performance search and analytics solutions.\nThe ideal candidate has deep expertise in Elasticsearch or Apache Solr, strong backend Java development experience, and hands-on experience working with distributed data processing frameworks in large-scale data environments.\nResponsibilities\nDesign, develop, and maintain enterprise search solutions using Elasticsearch or Apache Solr\nDesign and implement search schemas, indexing strategies, and search optimization techniques\nDevelop and optimize Lucene-based search queries to improve search accuracy and performance\nConfigure, administer, and optimize Elasticsearch or Solr clusters, including shard design, replication, and performance tuning\nDevelop scalable backend services using Java to support enterprise search and data processing applications\nBuild, test, and deploy production-ready Java code following secure software development best practices\nParticipate in code reviews, unit testing, integration testing, and production deployments\nDevelop and maintain data processing pipelines using big data technologies\nWork with distributed computing frameworks to process and analyze large-scale datasets\nTroubleshoot application, search platform, and data pipeline performance issues\nCollaborate with software engineers, data engineers, and system architects to design scalable search and analytics solutions\nParticipate in Agile development activities including sprint planning, code reviews, and technical design sessions\nRequired Qualifications\n Must be fully cleared with a recent polygraph\nBachelor's degree in Computer Science or a related technical discipline (or equivalent experience)\nMinimum of 5 years of hands-on backend Java development experience\nExperience developing production software that undergoes code reviews, unit testing, integration testing, and production deployment\nMinimum of 3 years of experience administering and developing solutions with Elasticsearch or Apache Solr\nExperience performing schema design and schema updates\nStrong knowledge of Lucene query syntax and search optimization techniques\nExperience designing and managing Elasticsearch or Solr shards and distributed search architectures\nExperience tuning Elasticsearch or Solr clusters for performance, scalability, and query optimization\nMinimum of 3 years of experience working in big data environments\nExperience with at least two of the following technologies:Hadoop\nApache Spark\nPySpark\nHBase\nStrong understanding of distributed computing, search architectures, and large-scale data processing\nExcellent troubleshooting, analytical, and problem-solving skills\nStrong written and verbal communication skills\n\nDesired Qualifications\nExperience developing large-scale enterprise search platforms\nExperience supporting distributed, high-availability search 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