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Senior Linux Systems Administrator

General Dynamics Information Technology

Full-time

Macdill AFB, FL

Job description

About Us

Karhu Cyber is a growing cybersecurity company headquartered in Brighton, MI. Our mission is to help out clients reduce risk, stay secure, and keep their operations running smoothly. We pride ourselves on solving complex technical challenges while providing reliable, high quality service with a sense of urgency.

Job Summary

We are seeking a skilled System Administrator to join our team. The ideal candidate will have hands-on expertise in storage arrays, servers, virtualization, and network/system infrastructure. You'll work closely with clients and our internal team to help provide secure, stable, and high-performing network environments.

Potential Responsibilities (Based on experience and knowledge)

  • Infrastructure Management: Administer, configure, and maintain Windows servers, storage arrays, virtualization platforms (VMware, ESXi, Hyper-V), and cloud services (Azure, AWS).
  • Data Storage & Backup: Implement and monitor RAID configurations, support backup and disaster recovery solutions, and ensure data redundancy.
  • Performance and Monitoring: Conduct system monitoring, performance tuning, capacity planning, and implement load balancing strategies to optimize resources.
  • Troubleshooting: Help diagnose and resolve hardware, software, OS, and database issues.
  • Network Operations: Help manage system infrastructure including switches, firewalls, VPNs, VLANs, DNS, DHCP, and network segmentation.
  • Documentation: Help create and maintain documentation for system configurations, procedures, and policies.
  • Help lead infrastructure deployments, upgrades, and migrations.

Qualifications

We're seeking a driven, adaptable professional who thrives on solving problems and taking ownership. Preferred skilled and experience:

  • 2+ years of experience as a System Administrator or similar role.
  • Hands-on knowledge of servers, storage arrays, and virtualization.
  • Proficiency with Windows Server environments, AD, and Group Policy.
  • Familiarity with backup, disaster recovery, and business continuity solutions.
  • Strong networking background including VLANs, firewalls, switching, routing, and VPNs.
  • Scripting skills for automation and efficiency.
  • Troubleshooting and communication skills for working with clients and Karhu team members.

Job Type: Full-time

Pay: $55,000.00 - $80,000.00 per year

Benefits:

  • 401(k)
  • Dental insurance
  • Flexible schedule
  • Health insurance
  • Paid time off
  • Professional development assistance
  • Tuition reimbursement
  • Vision insurance

Application Question(s):

  • Due to client compliance requirements, US Citizenship is required. Are you a US Citizen?

Work Location: In person