Senior Linux Administrator

Title Sr. Linux Administrator

Clearance Secret with TS eligibility

Location Penacola, FL (Onsite)

Hours M-F 3-1130

Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise - across the organization and around the world.

We are seeking a highly skilled Red Hat Linux Systems Administrator to oversee the configuration, maintenance, and security of Linux-based enterprise systems in a high-security, mission-critical environment. The ideal candidate will bring deep technical expertise in Linux administration, a solid understanding of DoD IT policies and cybersecurity practices, and the ability to provide technical leadership and mentorship to junior staff. This position is fully on-site in Pensacola, FL.

• Manage, maintain, and secure Linux Server environments across multiple domains and enclaves.
• Use NiFi and Kafka to monitor and manage data feeds
• Administer and troubleshoot Active Directory (AD), DNS, DHCP, Group Policy, and SMB file shares.
• Apply and validate DoD STIGst o maintain compliant system configurations.
• Contribute to RMF (Risk Management Framework) documentation and accreditation activities.
• Maintain accurate system documentation, standard operating procedures (SOPs), and change records.
• Collaborate with cross-functional teams to resolve complex infrastructure issues and enhance service reliability.
• Participate in system monitoring, patching, and configuration management cycles.
• Active Secret clearance, with the ability to obtain Top Secret
• DoD 8570 IAT Level II certification (e.g., Security CE) or above—IAT Level III preferred
• 8 years of experience in Linux systems administration (RHEL preferred) in a DoD or enterprise environment
• Experience with VMware vSphere, Hyper-V, or other virtualization platforms.
• Experience with Apache NiFi, Kafka and Splunk
• Familiarity with Windows Active Directory, DNS, DHCP, Group Policy, and SMB file shares.
• Automation experience using Ansible, Python, and Bash.
• Experience using SolarWinds
• Prior work supporting classified or cross-domain environments.
• Familiarity with ITIL v4 and Knowledge-Centered Services (KCS) frameworks.
• Familiarity with NIST SP 800-61, FISMA, or ITIL incident management frameworks
• Experience working in DoD or federal cybersecurity environments
• Exposure to cross-functional team coordination during security incidents or system outages
  
  
  

Requirements of position Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions. Regular attendance, maintain work schedule, attend meetings, meet deadlines, keyboard/type, handle confidential information, use math/calculations, stay organized, operate office equipment, may direct others. May be exposed to dust/dirt, humidity, and noise.

Foxhole Technology is an Equal Opportunity Employer and makes hiring decisions without regard to race, color, religion, sex (including pregnancy, childbirth and sexual orientation), national origin, age, disability, genetic information, military/veteran status, or any other protected class.