Sr. Systems Administrator
About The Position
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 . Foxhole Technology is seeking a talented Sr. System Administrator in support of a newly awarded contract. This role supports the secure and efficient flow of CyberNetOps data, contributing directly to mission readiness by developing, maintaining, and enhancing data ingestion and distribution processes using technologies such as Confluent Kafka, Apache NiFi, and RHEL. As a Sr. System Administrator, you will help build and maintain a resilient, scalable, and secure data brokering infrastructure. You will work with a team of engineers and analysts to support data ingestion pipelines, troubleshoot system issues, and contribute to process automation and documentation. Your work will help ensure timely and accurate delivery of cyber data across internal and external mission partners.
Requirements
- Minimum Security Clearance: Active Secret clearance with Eligibility for TS.
- Minimum of 8+ years of experience as a System Administrator
- Must have a current DoD 8140/(8570) IAT Level II approved certification (i.e. CompTIA Security+ CE)
- Provide administration and maintenance of RHEL Linux-based servers, ensuring system reliability and uptime
- Support enterprise-level services such as Active Directory, DNS, DHCP, and Group Policy Objects (GPOs)
- Implement system updates, patches, and antivirus measures in accordance with DoD STIGs and IAVM policies
- Manage user accounts and access permissions following established security standards
- Contribute to the deployment and oversight of RMF-compliant security controls
- Assist with documentation and sustainment of ATO/IATT packages and eMASS entries
- Perform system monitoring, log analysis, and root cause troubleshooting of hardware/software issues
- Maintain detailed records of configurations, system changes, and procedures
- Support regular data backup and restoration processes
- Operate and maintain cybersecurity tools such as HBSS, ACAS, and SIEM platforms
- Collaborate with IT teams across networking, cybersecurity, and support desks to ensure secure, compliant system functionality
- Strong customer interaction skills with users of all levels
- Strong diagnostic and problem-solving skill
Responsibilities
- Provide administration and maintenance of Linux-based servers (RHEL), ensuring system reliability and uptime.
- Support enterprise-level services such as Active Directory, DNS, DHCP, and Group Policy Objects (GPOs)
- Implement system updates, patches, and antivirus measures in accordance with DoD STIGs and IAVM policies
- Manage user accounts and access permissions following established security standards
- Contribute to the deployment and oversight of RMF-compliant security controls
- Assist with documentation and sustainment of ATO/IATT packages and eMASS entries
- Perform system monitoring, log analysis, and root cause troubleshooting of hardware/software issues
- Maintain detailed records of configurations, system changes, and procedures
- Support regular data backup and restoration processes
- Operate and maintain cybersecurity tools such as HBSS, ACAS, and SIEM platforms
- Collaborate with IT teams across networking, cybersecurity, and support desks to ensure secure, compliant system functionality
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
Number of Employees
101-250 employees
