System Administrator Jobs

About The Position

Requirements

• Hands‑on experience administering Ubuntu Server environments, including installation, configuration, hardening, and maintenance.
• Ability to deploy and configure Linux-based applications, services, and supporting infrastructure.
• Experience installing, upgrading, and removing COTS/GOTS software packages in enterprise environments.
• Strong understanding of system patching, security updates, and implementing STIG/CIS security configurations.
• Ability to perform root cause analysis, troubleshoot system and application issues, and document resolutions.
• Familiarity with configuration management processes and change control workflows.
• Experience developing or maintaining technical documentation, including SOPs and installation/configuration procedures.
• Ability to train and mentor team members on system administration tasks and standard practices.
• Working knowledge of networking fundamentals (TCP/IP, DNS, DHCP, routing concepts).
• Proficiency with command-line tools, Bash scripting, and package management (APT).
• Ability to maintain accurate activity logs, system status updates, and issue tracking.
• Must meet DoD 8570.01-M IAT Level II or higher certification requirements on the hire date or obtain such certification within 6 months of being hired.

Nice To Haves

• Experience with RHEL or other Linux distributions in mixed‑environment infrastructures.
• Familiarity with automation/orchestration tools such as Ansible, Terraform, or similar.
• Scripting experience in Python or other languages for automation and system management.
• Experience integrating Linux systems with identity services (LDAP, Active Directory, Kerberos).
• Understanding of virtualization and containerization technologies (VMware, KVM, LXC/LXD, Docker).
• Exposure to monitoring and logging tools (Prometheus, Grafana, ELK/EFK, Nagios).
• Knowledge of secure enclave environments, DoW cybersecurity policies, DISA STIGs, or NIST standards.
• Experience working in environments requiring system certification, accreditation, or compliance documentation.
• Relevant certifications such as Linux+, LPIC‑1/2, Ubuntu Professional, RHCSA, Security+, or CEH.

Responsibilities

• Deploy, configure, and maintain Ubuntu Server systems and Linux-based applications.
• Install, integrate, and manage COTS and GOTS software across enterprise environments.
• Perform system hardening, patching, and security configuration in accordance with organizational and industry standards.
• Conduct software upgrades, apply security fixes, and validate system functionality after changes.
• Troubleshoot and resolve system, application, and network-related issues, including performing root cause analysis.
• Maintain clear and accurate documentation for installation, configuration, hardening, operations, and maintenance activities.
• Support configuration management processes, including version tracking, change control, and baseline updates.
• Remove or decommission software and services in a secure, compliant, and well‑documented manner.
• Train and mentor team members on standard operating procedures and system administration best practices.
• Monitor system health, performance, and capacity, and recommend improvements as needed.
• Manage certificates, licensing, and compliance requirements for supported systems.
• Automate routine tasks using Bash, Python, or equivalent scripting languages.
• Assist with integration of identity and authentication services (LDAP, AD, or similar).
• Ensure all systems align with IT infrastructure standards, cybersecurity requirements, and operational policies.

Benefits

• health, dental, and vision insurance
• health savings accounts
• a 401(k) savings plan
• disability coverage
• life and accident insurance
• employee assistance program
• legal plan
• discounts on things like home, auto, and pet insurance
• paid time off
• paid holidays
• paid parental leave
• military leave
• bereavement leave
• any applicable federal and state sick leave
• company recognition program