Posted on:July 31, 2026

Software Engineer, Elasticsearch at FanTom Corp

FanTom Corp is hiring a Software Engineer, Elasticsearch in Chantilly, VA, US. On-site.

About FanTom Corp

Fantom Corp provides systems engineering, software development, and technical support services to U.S. Defense and Intelligence Community customers. The company's services include systems engineering and integration, software engineering, analysis, and IT solutions. It also integrates existing systems with open source and commercial off-the-shelf products.

Software Engineer, Elasticsearch job 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.

We 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.

The 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.

Responsibilities

Design, develop, and maintain enterprise search solutions using Elasticsearch or Apache Solr

Design and implement search schemas, indexing strategies, and search optimization techniques

Develop and optimize Lucene-based search queries to improve search accuracy and performance

Configure, administer, and optimize Elasticsearch or Solr clusters, including shard design, replication, and performance tuning

Develop scalable backend services using Java to support enterprise search and data processing applications

Build, test, and deploy production-ready Java code following secure software development best practices

Participate in code reviews, unit testing, integration testing, and production deployments

Develop and maintain data processing pipelines using big data technologies

Work with distributed computing frameworks to process and analyze large-scale datasets

Troubleshoot application, search platform, and data pipeline performance issues

Collaborate with software engineers, data engineers, and system architects to design scalable search and analytics solutions

Participate in Agile development activities including sprint planning, code reviews, and technical design sessions

Required Qualifications

Must be fully cleared with a recent polygraph

Bachelor's degree in Computer Science or a related technical discipline (or equivalent experience)

Minimum of 5 years of hands-on backend Java development experience

Experience developing production software that undergoes code reviews, unit testing, integration testing, and production deployment

Minimum of 3 years of experience administering and developing solutions with Elasticsearch or Apache Solr

Experience performing schema design and schema updates

Strong knowledge of Lucene query syntax and search optimization techniques

Experience designing and managing Elasticsearch or Solr shards and distributed search architectures

Experience tuning Elasticsearch or Solr clusters for performance, scalability, and query optimization

Minimum of 3 years of experience working in big data environments

Experience with at least two of the following technologies:

Hadoop
Apache Spark
PySpark
HBase
Strong understanding of distributed computing, search architectures, and large-scale data processing
Excellent troubleshooting, analytical, and problem-solving skills
Strong written and verbal communication skills

Desired Qualifications

Experience developing large-scale enterprise search platforms

Experience supporting distributed, high-availability search environments

Experience with CI/CD pipelines and DevOps practices

Experience with cloud-based search architectures

Familiarity with containerization technologies such as Docker and Kubernetes

Experience supporting secure government or Intelligence Community environments

#CJ

Fantom Corp is a Software Development, Agile Cloud, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements.

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