Software Engineer - Elasticsearch (TS/SCI with Poly Required) with Security Clearance

Job Category: Software Engineering Requisition Number: SOFTW002293 Posting Details *

• Posted: September 8, 2026
• Full-Time
• On-site
• Locations Showing 1 location Tysons Corner Tysons Corner, VA, USA Tysons Corner Tysons Corner, VA, USA Warrenton Warrenton, VA, USA Warrenton Warrenton, VA, USA +1 more locations less locations Job Details Description GCI embodies excellence, integrity and professionalism.

The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry. At GCI, we solve the hard problems.

As a Software Engineer - Elasticsearch, a typical day will include the following duties: JOB DESCRIPTION  The Software Engineer will design, develop, configure, support and maintain Elasticsearch clusters and support the development teams around that ecosystem. The ideal candidate is a hands-on platform builder with significant experience in developing scalable data platforms, with experience in business intelligence, analytics, data science and data products.

They must have strong, firsthand technical expertise in a variety of configuration management and big data technologies and the proven ability to fashion robust scalable solutions that can manage large data sets. This person should embody a passion for continuous improvement and innovation.

QUALIFICATIONS

• 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
• Minimum five (5) years of related Elasticsearch experience  DESIRED KNOWLEDGE/SKILLS
• Hands-on experience working with large SQL or NOSQL database clusters such as Elasticsearch, Greenplum, etc.
• Experience with designing data models, architecting data systems and standing up or supporting large data platforms.
• Familiarity with ETL pipelines and how to interface with data stores, and API endpoints.
• Experience troubleshooting Elasticsearch cluster and query performance issues to include working on query optimization with developers and tracking down slow logs.
• DevOps experience building and deploying cloud and on-premise infrastructures with technologies like ansible, chef, puppet, etc.
• Experience with Scrum/Agile development methodologies.
• Capable of delivering on multiple competing priorities with little supervision.
• Excellent verbal and written communication skills.
• We’re looking for someone with 3-5 years of experience and is familiar with the following software/tools:  *
• Experience with Elasticsearch and related technologies.   *
• Experience with infrastructure automation technologies like Docker, Kubernetes, etc.  *
• Experience with build automation technologies like Maven, Jenkins, etc.  *
• Experience with modern programming languages like Java, Python, etc.  KEY RESPONSIBILITIES
• Support Elasticsearch and/or Elastic Cloud for Kubernetes (ECK) clusters.
• Analyze, design and develop a processing platform using various configuration management technologies.
• Design and develop a processing platform using various configuration management technologies.
• Provide ongoing maintenance, support and enhancements in existing systems and platforms.
• Collaborate cross-functionally with developers, project managers and other engineers
• Troubleshoots complex problems and provides customer support for software systems and application issues.
• Provide recommendations for continuous improvement.
• Work alongside other engineers on the team to sustain and advance our organization’s capabilities  *A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans   Qualifications Skills Behaviors : Motivations : Education Experience Licenses & Certifications Equal Opportunity Employer