Senior Linux Systems Engineer - Security & Automation

Kforce Inc; Monroe (LA); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Medical/dental/vision insurance

HSA

401(k)

Life & disability insurance

Paid time off

Job summary

Kforce is seeking a Senior Linux Systems Administrator in Monroe, LA to design, deploy, secure, and support Linux-based infrastructure for a classified federal program. The role covers full lifecycle management, virtualization, automation, monitoring, and authentication services, with responsibilities spanning from server provisioning to incident response.

Applicants need 6+ years of Linux experience, expertise in Ubuntu/RHEL, and hands-on work with VMware vSphere, KVM, and LDAP/AD integration.

Qualifications

• 6+ years of experience in Linux systems administration, infrastructure, security, or platform engineering.
• Advanced experience with Ubuntu and RHEL administration.
• Experience building and supporting production infrastructure from the ground up.
• Hands‑on experience with VMware vSphere technologies and KVM virtualization.
• Experience with Nessus or similar vulnerability management tools.
• Experience integrating Linux systems with LDAP, LDAPS, and Active Directory.
• Experience with Ansible, Python, and Git.
• Knowledge of SSL/TLS, PKI, and certificate management.
• Strong understanding of TCP/IP, DNS, routing, firewalls, and network troubleshooting.
• Strong Linux command-line and Bash scripting skills.
• Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Responsibilities

• Design, implement, and maintain secure Linux infrastructure
• Administer, patch, harden, and troubleshoot Ubuntu and Red Hat Enterprise Linux (RHEL) systems
• Manage VMware ESXi, vCenter, vSphere, and KVM virtualization environments
• Provision and support physical and virtual servers, integrating networking, storage, DNS, monitoring, backup, and security services
• Maintain LDAP, LDAPS, and Active Directory integrations
• Manage the full SSL/TLS certificate lifecycle, including installation, renewals, and troubleshooting
• Administer Nessus vulnerability scanning and support remediation efforts
• Support monitoring and logging tools such as Zabbix and Elastic Stack
• Troubleshoot network connectivity, firewalls, routing, DNS, and application communications
• Develop automation using Ansible, Bash, and Python
• Manage infrastructure code and deployment workflows using Git and GitLab CI/CD
• Support application integrations, REST APIs, and Linux-hosted services
• Create technical documentation, build guides, recovery procedures, and operational runbooks
• Participate in upgrades, incident response, capacity planning, and lifecycle management
• Occasional travel (5-20%) for customer meetings and hardware support

Skills

Linux administration

Ubuntu & RHEL

VMware vSphere & KVM

Ansible

Python

Git

LDAP/AD integration

SSL/TLS PKI

Nessus vulnerability scanning

Networking & DNS

Security hardening

Automation

GitLab CI/CD

Tools

GitLab CI/CD

Nessus

Job description

Kforce is seeking a Senior Linux Systems Administrator in Monroe, LA to design, deploy, secure, and support Linux-based infrastructure for a classified federal program. The role covers full lifecycle management, virtualization, automation, monitoring, and authentication services, with responsibilities spanning from server provisioning to incident response.

Applicants need 6+ years of Linux experience, expertise in Ubuntu/RHEL, and hands-on work with VMware vSphere, KVM, and LDAP/AD integration.