Senior Linux Systems Engineer

** Senior Linux Systems Engineer-Nightwing (Sterling, VA)
** seeking a Senior Linux Systems Engineer to design, implement, and  secure, scalable Linux-based infrastructure supporting mission-critical systems. This role requires deep The ideal candidate will provide technical leadership in the engineering, integration, and optimization of enterprise Linux platforms, ensuring high availability, performance, and security across on-premises and hybrid environments.
** Responsibilities*
* ** Required Skills & Experience
** 8+ years of experience in Linux systems administration, infrastructure engineering, or platform engineering. Extensive hands-on experience with Red Hat Enterprise Linux (RHEL) including design, deployment, administration, and troubleshooting. Strong experience designing and managing virtualized Linux infrastructure environments. Proven experience implementing automation and configuration management solutions (e.g., Ansible, Puppet, Salt, Chef). Experience optimizing Linux systems for performance, scalability, and high availability.

Hands-on experience implementing security hardening and compliance frameworks such as STIG and NIST guidelines. Experience integrating Linux systems with identity services and enterprise infrastructure components. Strong experience troubleshooting complex system, network, and infrastructure issues. Working knowledge of network protocols, network troubleshooting, and system performance analysis. Excellent communication and documentation skills, with the ability to explain technical concepts to technical and non-technical stakeholders.

** Desired Qualifications
** Experience managing or integrating enterprise monitoring platforms (e.g., ELK stack, Splunk, or similar). Familiarity with network infrastructure technologies including switches, routers, and firewalls. Experience working with hybrid cloud environments and AWS infrastructure. Experience supporting physical infrastructure installations and hardware lifecycle management. Knowledge of Dev Ops practices and infrastructure-as-code methodologies. Ability to operate effectively in fast-paced environments with evolving mission requirements.

** Key Competencies*
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