We are seeking an experienced and proactive Lead Systems Administrator to oversee enterprise systems operations and drive technical excellence across Linux-based and Oracle infrastructure environments. This role is ideal for a seasoned professional with deep technical expertise, leadership acumen, and a strong understanding of DoD cybersecurity requirements and Agile/DevSecOps practices.

Key Responsibilities:

• Lead the administration and maintenance of enterprise IT systems, including Red Hat Enterprise Linux, Oracle Exadata, and ZFS storage systems.
• Manage and mentor a team of system administrators, providing technical guidance, task direction, and performance management.
• Perform system patching, performance tuning, backup/recovery operations, and capacity planning to ensure optimal uptime and reliability.
• Ensure systems are compliant with DoD STIGs, RMF controls, and cybersecurity best practices.
• Collaborate with cybersecurity, development, and operations teams to support Agile sustainment workflows and DevSecOps pipelines.
• Oversee system hardening, configuration management, and documentation of system configurations and procedures.
• Troubleshoot and resolve complex system issues, escalating when necessary and ensuring timely resolution.
• Develop and implement automation for routine system administration tasks to improve efficiency and consistency.

• Education: Bachelor’s degree in computer science, Information Systems, or a related technical field.
• Experience:
  • 7–10 years of experience in enterprise systems administration, with demonstrated leadership in Linux-based environments.
  • Strong background with Oracle infrastructure, including Exadata and ZFS.
• Certifications:
  • Active IAT/IAM Level II certification (e.g., Security+ CE, CySA+, CCNA Security).
• Technical Skills:
  • Advanced knowledge of Red Hat Enterprise Linux, system patching, backup/recovery, and performance tuning.
  • Familiarity with DoD STIGs, RMF compliance, and cybersecurity policies.
  • Experience supporting Agile and DevSecOps methodologies in an enterprise IT environment.
• Leadership: Proven experience leading teams, managing priorities, and driving successful technical outcomes.

Desired Attributes:

• Strong analytical and problem-solving abilities.
• Excellent communication skills, both written and verbal.
• Ability to work independently and collaboratively in a dynamic environment.
• Demonstrated commitment to continuous improvement and innovation.