Senior Linux Administrator
Core
Design, implement, secure, and maintain Linux infrastructure for a classified federal program.
Role type
Senior Linux Systems Administrator
Builds
Production Linux infrastructure, virtualization environments, and security services for a classified federal program (via careerplan.io/jobs/gebf4b03-senior-linux-administrator-at-kforce-technology-staffing)
Domain
Federal government / Classified systems
Required skills
Linux systems administration, Ubuntu, RHEL, VMware vSphere, KVM, Nessus, LDAP, LDAPS, Active Directory, Ansible, Python, Git, SSL/TLS, PKI, TCP/IP, DNS, networking, Bash scripting
Preferred skills
GitLab CI/CD, backup and disaster recovery, Flask, Django, REST API, Kubernetes, security hardening, compliance in classified settings
Technologies
API, Active Directory, Ansible, Bash, CI/CD, Django, Flask, Git, GitLab, KVM, Kubernetes, LDAP, Linux, Network, Python, REST, RHEL, Security, TCP/IP, Ubuntu, VMware, Zabbix
Responsibilities
Design, implement, secure, and maintain Linux infrastructure for a classified federal program; Administer, patch, harden, and troubleshoot Ubuntu and RHEL systems; Manage VMware ESXi, vCenter, vSphere, and KVM virtualization environments; Provision and support physical and virtual servers, integrating networking, storage, DNS, monitoring, backups, and security services; Maintain LDAP, LDAPS, and Active Directory integrations; Manage SSL/TLS certificates throughout their lifecycle; Administer Nessus vulnerability scanning and support remediation; Support monitoring and logging tools such as Zabbix and Elastic Stack; Troubleshoot network connectivity, firewalls, routing, DNS, and application communications; Develop automation with Ansible, Bash, and Python; Manage infrastructure code and deployment workflows with Git and GitLab CI/CD; Support application integrations, REST APIs, and Linux-hosted services; Prepare technical documentation, build guides, recovery procedures, and operational runbooks; Participate in upgrades, incident response, capacity planning, and lifecycle management
Seniority
Senior, hands-on IC
