Senior Systems Administrator-IMWS

Overview

TitleL Sr. Systems Administrator-IMWS

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.

Job Description

• 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
• Provide Tier III support for escalated Linux system issues, collaborating with network, security, and application teams as needed
• Support the detection and response to system-level security incidents in coordination with cybersecurity teams
• Participate in cross-functional incident response activities, providing subject matter expertise on affected Linux systems
• Maintain and improve incident response documentation and procedures as they relate to Linux infrastructure
• Monitor system health and performance using tools such as Nagios, Zabbix, or other enterprise monitoring platforms
• Support integration and troubleshooting of cybersecurity tools such as HBSS, ACAS, Nessus, and Splunk
• 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
• Develop and maintain system documentation, including architecture diagrams, build guides, and SOPs
• Participate in the development and testing of disaster recovery, COOP, and backup strategies for Linux systems
• Mentor junior team members and provide guidance on Linux-related projects and operational tasks
• Communicate system or incident status clearly to internal stakeholders when required

Minimum Requirements

• 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 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

Desired Experience/Certifications

• Prior experience supporting or participating in cybersecurity incident response activities should this go in Min Quals? Rate is still at issue at 111K
• 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

More Information

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 an