Principal Elasticsearch Systems Engineer

Leidos has an exciting opportunity for a Principal Elasticsearch Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.

Job Summary

The Principal Elasticsearch Systems Engineer role provides support across an Agile team in a DevSecOps environment. This role will provide support for a large enterprise Elasticsearch deployment. This role requires providing design, configuration, maintenance and troubleshooting support in the Elastic environments in both cloud (AWS) and on prem. This role will also collaborate with architecture, engineering, development, and operations teams; ensuring production scalability and stability while maintaining data integrity.

Job Responsibilities

• Maintain Elasticsearch clusters in a cloud-based environment across multiple availability zones.
• Ensure Elasticsearch clusters run under optimal conditions.
• Evaluate and optimize Elasticsearch clusters, including configuration parameters, indexing, search, query performance tuning, security, and administration.
• Maintain infrastructure to ensure performance and data integrity.
• Keep Elasticsearch clusters upgraded, as permitted by the applications reliant on them.

Basic Qualifications

• 3+ years of experience with Elasticsearch Administration.
• Direct experience maintaining and integrating Elasticsearch within an operational enterprise information system.
• Experience working in an Agile development environment and tempo.
• Experience with deploying and using Elasticsearch in Commercial Cloud Platforms (e.g., AWS, Google Cloud, Azure).
• Bachelor’s with 12 or more years of relevant experience or a Master’s with 10 or more years of relevant experience.
• Will consider additional work experience in lieu of a degree.
• TS/SCI with Poly is required for consideration.

Preferred Qualifications

• Experience working on the customer’s systems.
• Understanding of the customer’s system development policies.
• Additional certifications related to Elasticsearch.

Pay and Benefits

Pay Range: Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level 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.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

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Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.