Senior Systems Administrator

PDW • Huntsville, AL

13d

About The Position

Now, we’re entering a new phase of growth and are looking for a Senior Systems Administrator to own and operate PDW’s core IT infrastructure across on-premise and cloud environments. This role is responsible for the reliability, security, and performance of Linux systems, virtualization platforms, and supporting Microsoft services (Microsoft 365 and Azure), and serves as the escalation point for complex system issues beyond Tier 2 support.

Requirements

• 5+ years of experience administering Linux-based systems in production environments.
• Experience managing virtualized infrastructure (e.g., VMware, Hyper-V) and underlying hardware.
• Strong understanding of system security practices, including patching, hardening, and configuration management.
• Proficiency in scripting or automation (e.g., Bash, Python, Ansible) for system management.
• Proven ability to troubleshoot complex system issues and serve as a senior escalation point.

Nice To Haves

• Experience supporting Microsoft 365 and/or Azure environments.
• Experience working in regulated environments (CMMC, NIST 800-171, ITAR, or similar).
• Relevant certifications (e.g., Linux+, RHCSA/RHCE, Security+, VMware or Hyper-V).

Responsibilities

• Own Linux systems across on-premise and cloud environments, ensuring performance, reliability, and uptime.
• Manage virtual infrastructure (e.g., VMware, Hyper-V), including host configuration and capacity planning.
• Enforce secure system baselines through patching, configuration management, and system hardening.
• Serve as the escalation point for complex infrastructure issues; drive root cause analysis and long-term fixes.
• Design, implement, and improve infrastructure to support scalability, performance, and resilience.
• Administer backup and disaster recovery solutions (e.g., Veeam) and validate recovery readiness.
• Manage physical servers, storage, and lab/data center infrastructure.
• Automate system provisioning and management using scripting and configuration tools.
• Partner with Network, Security, and IT Operations teams on secure, integrated solutions.
• Maintain documentation for system architecture, configurations, and procedures.

Benefits

• Comprehensive BCBS medical, dental, and vision coverage; 80% sponsored by the company.
• Safe Harbor 401(K) with company match.
• Paid Parental Leave.
• On-site gym at our Huntsville, AL location.
• Employer provided life insurance.
• Robust Employee Assistance Program (EAP).
• A work environment that encourages teamwork and innovation.
• Competitive salary, generous paid time off (PTO), and flexible leave options.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 11-50 employees