TitleL Sr. Systems Administrator

Clearance: Secret with TS eligibility

Location: Penacola, FL (Onsite)

Hours: M-F 0600-1430

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.

• Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) systems across multiple environments (classified and unclassified)
• Apply and ensure compliance with DoD STIGs, IAVM directives, and cybersecurity best practices
• Manage and deploy system patches, updates, and antivirus solutions in accordance with DoD guidelines
• Develop and maintain system documentation, including architecture diagrams, build guides, and SOPs
• Provide Tier III support for escalated Linux system issues, collaborating with network, security, and application teams as needed
• Manage user accounts, groups, access controls, and permissions based on DoD Identity and Access Management standards
• Support RMF implementation, generate compliance artifacts, and assist in maintaining ATO/IATT status
• Monitor system health and performance using tools such as Nagios, Zabbix, or other enterprise monitoring platforms
• Participate in the development and testing of disaster recovery, COOP, and backup strategies for Linux systems
• Support integration and troubleshooting of cybersecurity tools such as HBSS, ACAS, Nessus, and Splunk
• Mentor junior team members and provide guidance on Linux-related projects and operational tasks

• Active Secret clearance, with the ability to obtain Top Secret
• DoD 8570 IAT Level II certification (e.g., Security+ CE) or above-IAT III
• 8+ years of experience in Linux systems administration in a DoD or enterprise environment
• Strong expertise in Red Hat Enterprise Linux (RHEL) administration
• Familiarity with automation and scripting (e.g., Bash, Ansible, Python)
• Experience with virtualization technologies such as VMware or KVM
• In-depth knowledge of STIG compliance, RMF, and eMASS processes
• Proven ability to implement and troubleshoot security tools such as HBSS, ACAS, and SIEM solutions
• Excellent analytical, documentation, and communication skills

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.  Must be able to see, have eye/hand coordination, and lift up to 10 lbs.  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.