Senior Linux & Security Support Engineer | TS/SCI | Hybrid

DTEX; Washington (District of Columbia); Hybrid; USD 150,000 - 200,000; Full time

Benefits offered by this job

Remote or hybrid work options

Competitive compensation

Equity participation

Health and wellness benefits

Generous time-off policies

Job summary

DTEX is seeking a Support Engineer to join its Technical Support organization, supporting enterprise and U.S. public sector customers. The role combines deep technical troubleshooting, customer engagement, and deployment support across Linux-based distributed systems in on-premises and cloud environments.

Active TS/SCI preferred; strong problem solver who collaborates with Support, Engineering, and Product teams to resolve complex challenges and drive customer success.

Qualifications

• Active United States Top Secret Security Clearance is required.
• 7+ years of experience troubleshooting, deploying, and supporting enterprise software solutions in customer-facing environments.
• Advanced Linux system administration and troubleshooting experience.
• Background in technical support, systems administration, site reliability, or related roles.
• Hands-on troubleshooting and operational support of OpenSearch, Elasticsearch, PostgreSQL, or similar enterprise data platforms.

Responsibilities

• Plan, deploy, troubleshoot, and maintain production deployments across on-premises and cloud environments.
• Troubleshoot complex issues across Linux-based environments and DTEX platform components including OpenSearch and Elasticsearch.
• Reproduce customer-reported issues and work with Engineering for defects, performance, and workarounds.
• Author and maintain technical documentation, runbooks, deployment guides, and best practices.
• Troubleshoot endpoint deployments across Windows, macOS, and Linux environments.

Skills

Top Secret clearance

Advanced Linux administration

OpenSearch / Elasticsearch

Customer-facing support

Cloud and on-prem deployments

PostgreSQL / data platforms

Endpoint support across Windows/macOS/

Education

Bachelor’s degree in computer science or related field

Tools

OpenSearch

Elasticsearch

PostgreSQL

Job description

DTEX is seeking a Support Engineer to join its Technical Support organization, supporting enterprise and U.S. public sector customers. The role combines deep technical troubleshooting, customer engagement, and deployment support across Linux-based distributed systems in on-premises and cloud environments.

Active TS/SCI preferred; strong problem solver who collaborates with Support, Engineering, and Product teams to resolve complex challenges and drive customer success.