Sr. Linux Engineer

Dexian; Charlotte (NC); On-site; USD 120,000 - 160,000; Full time

Job summary

Dexian is seeking a Senior Linux Engineer to design and implement a platform that supports the full stack, from application integration to security and performance management. The role emphasizes automation with Ansible, cluster operations, and strong Linux expertise.

Ideal candidates will have extensive experience with RedHat Linux, networking, firewalls, TLS certificates, and VMware virtualization, and will thrive in cross-functional Agile teams working on large-scale projects.

Qualifications

• 7+ years of experience with enterprise cluster builds and operations.

Responsibilities

• Build a platform to support the full stack, including application integration, performance management, security implementation, configuration management, and problem management across platform and host levels.

Skills

Enterprise cluster operations

Three-tier web applications

RedHat Linux

Networking and security

Shell scripting

Ansible automation

Troubleshooting

TLS certificates

Load balancers

VMware virtualization

Cross-functional collaboration

Agile methodologies

Tools

Docker

Kubernetes

OpenShift

Terraform

Apache Tomcat

VMware

Job description

Position Summary

Senior Linux Engineer
The Engineer is responsible for building a platform to support the full stack, including application integration, performance management, security implementation, configuration management, and problem management across a range of services and functions at both the platform and host levels.

Required Skills

• 7+ years of experience with multiple large‑scale enterprise cluster environment builds and operations, including design, capacity planning, cluster set up, security, performance tuning, and monitoring.
• Experience with three‑tier architectural web applications.
• In‑depth working knowledge of RedHat Linux systems.
• Proficient with networking, firewall, kernel parameter tuning, and security concepts.
• Strong knowledge and experience with shell scripting.
• Design, develop, and implement Ansible playbooks and roles to automate infrastructure provisioning, configuration management, and application deployments.
• Perform extensive troubleshooting and technical support for both hardware and software issues.
• Knowledge of TLS certificates, different certificate container formats, and understanding of the entire certificate chain.
• Experience with configuration, usage, and troubleshooting of Load Balancers (F5/AVI/vmWare/etc).
• Experience with VMware concepts of creating and managing VMs.
• Must have experience working on large, complex projects with cross‑functional teams.
• Understanding of Agile software development methodologies.

Desired Skills

• Experience with Docker, Kubernetes, OpenShift (a plus).
• Enterprise Database Administration such as MySQL, Oracle, MariaDB, Microsoft SQL Server.
• Experience with Hadoop distributions in the Cloud (AWS, Azure, Google) is a plus.
• Experience with Apache Tomcat.
• Experience with Terraform (a plus).

Equal Opportunity Employment

D​exian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.