Cyber Defense Systems Specialist (Linux & Automation)

Title: Cyber Defense Systems Specialist (Linux & Automation)
Location: Fort Belvoir, VA (ONSITE)
Clearance: Active Top Secret required at start
Certification: Security+ (IAT Level II) required at start

Kwaan Bear Technology is seeking an experienced and highly motivated Cyber Defense Systems Specialist to lead critical cyber defensive systems efforts at Ft. Belvoir, VA. This is a senior-level role requiring a deep understanding of Linux systems, automation, and cybersecurity operations in mission-critical environments.
Role Overview:
You will lead the deployment, maintenance, and optimization of secure operating systems and cyber defense technologies. You will also play a key role in infrastructure automation, system hardening, and integrating cybersecurity solutions into high-performance environments.
What You’ll Do:

• Configure, manage, and maintain advanced Linux and VMware based cyber defense systems.
• Design and implement secure infrastructure with backup and restoration capabilities.
• Automate critical operations and maintenance tasks using Ansible, REST APIs, and scripting.
• Build and configure hardened cyber defense hardware and software solutions.
• Integrate security tools (e.g., Elastic, SIEM platforms, identity management).
• Coordinate multi-node cluster deployments
• Enable cloud-based virtual infrastructure aligned to “standard build” requirements.
• Work closely with stakeholders to develop role-based access controls and secure workflows.

Preferred Tech Stack & Skills:

• Operating Systems: Red Hat Enterprise Linux (RHEL), VMware
• Automation: Ansible, Python, REST APIs, Git, CI/CD workflows
• Security Tools: Elastic, AD/SSO integration, PostgreSQL
• Cloud & Virtualization: AWS, OpenShift, VMware, and Virtual Infrastructure
• Integration experience with PostgreSQL and/or Ansible a plus .

Requirements:

• 8+ years of relevant cybersecurity and systems engineering experience
• BS in Computer Science, Engineering, or related field (or equivalent experience)
• 5+ years in cyber defense operations and secure system administration
• Certifications (preferred but not required):
  • Red Hat Certified Architect (RHCA)
  • Red Hat Certified Systems Administrator (RHCSA)
  • Red Hat Specialist in Security or Virtualization
  • AWS Certified DevOps Engineer – Associate
  • CySA +
  • CASP CE