System Administrator

Responsibilities

• Administer, maintain, and troubleshoot Linux and Windows systems, diagnosing and resolving technical issues ranging from the operating system through the application layer.
• Linux Server Administration: Install, configure, patch, upgrade, secure, and maintain Linux servers, including RHEL, Rocky Linux, CentOS, or comparable enterprise Linux distributions.
• Core Infrastructure Services: Configure and maintain core enclave infrastructure services, including DHCP, DNS, domain services, identity management, authentication, and related network services.
• Virtualization & Infrastructure Support: Deploy and support virtualized and/or containerized environments while managing supporting infrastructure, including compute, storage, networking, and system resources.
• Network & Storage Administration: Support storage platforms, network connectivity, system interfaces, and associated infrastructure; troubleshoot performance, availability, and connectivity issues across complex environments.
• Security & Compliance: Maintain systems in accordance with applicable System Security Plans (SSPs) and secure administration requirements, including Secure the Enterprise (STE)/Secure the Network (STN) activities. Configure, monitor, and maintain security tools required to support DoD networks and cybersecurity requirements.
• Classified Environment Support: Provide day-to-day administration and technical support within classified operational environments, maintaining secure and reliable mixed Linux/Windows environments while ensuring systems remain operational, compliant, and mission ready.

Requirements

• Ten (10) years of experience as a System Administrator supporting programs and contracts of similar scope, type, and complexity.
• Bachelor's degree in a technical discipline from an accredited college or university.
• Five (5) additional years of System Administration experience may be substituted for the bachelor's degree.

Qualifications

• Experience administering or supporting AWS cloud environments.
• Experience with virtualization platforms such as KVM, Proxmox, VMware, or similar technologies.
• Experience with enterprise identity and authentication technologies such as FreeIPA, Centrify, LDAP, and Active Directory.
• Knowledge of PKI, TLS, certificates, encryption, and other cryptographic technologies.
• Experience with container technologies such as Docker, Podman, Kubernetes, or comparable platforms.
• Familiarity with automation and configuration management tools such as Ansible, Bash, Python, or PowerShell.
• Strong understanding of TCP/IP networking, DNS, routing, firewalls, system hardening, and secure network architecture.
• Ability to independently troubleshoot complex infrastructure issues, identify root causes, and implement sustainable technical solutions.

Desired Skills

• Experience with AWS cloud environments.
• Experience with virtualization platforms such as KVM, Proxmox, VMware, or similar technologies.
• Experience with enterprise identity and authentication technologies such as FreeIPA, Centrify, LDAP, and Active Directory.
• Knowledge of PKI, TLS, certificates, encryption, and other cryptographic technologies.
• Experience with container technologies such as Docker, Podman, Kubernetes, or comparable platforms.
• Familiarity with automation and configuration management tools such as Ansible, Bash, Python, or PowerShell.
• Strong understanding of TCP/IP networking, DNS, routing, firewalls, system hardening, and secure network architecture.
• Experience with AWS cloud environments.
• Experience with virtualization platforms such as KVM, Proxmox, VMware, or similar technologies.
• Experience with enterprise identity and authentication technologies such as FreeIPA, Centrify, LDAP, and Active Directory.
• Knowledge of PKI, TLS, certificates, encryption, and other cryptographic technologies.
• Experience with container technologies such as Docker, Podman, Kubernetes, or comparable platforms.
• Familiarity with automation and configuration management tools such as Ansible, Bash, Python, or PowerShell.
• Strong understanding of TCP/IP networking, DNS, routing, firewalls, system hardening, and secure network architecture.

Pay

Competitive salary

Schedule

Not specified