Senior System Administrator

Responsibilities

• Build, configure, and deploy Docker containers within Kubernetes clusters.
• Collaborate with multiple development teams to integrate web applications, services, databases, and directory technologies.
• Support high-availability enterprise services and ensure systems remain fully operational.
• Monitor system performance, proactively identify issues, and perform root-cause troubleshooting.
• Maintain secure, compliant environments through patching, updates, and configuration management.
• Contribute to documentation, operational procedures, and service readiness.

Qualifications

• An active NSA TS/SCI Clearance with Polygraph.
• 7+ years of relevant experience.
• Bachelor’s degree in a technical discipline (or 4 additional years of experience in lieu of degree).
• DoD 8570 IAT Level I or higher (if determined applicable).
• Strong attention to detail.
• Excellent communication and time-management skills.
• Able to provide after-hours support when needed.
• Capability to obtain privileged system access.
• Linux administration (CentOS, RedHat).
• Docker and Kubernetes.
• Harbor container registry.
• Directory services (LDAP, Active Directory).
• JBOSS application server.
• AWS services (VPC, EC2, AWS CLI, S3).
• Automation tools (Ansible, Terraform, CloudFormation).
• VCenter/VMWare virtual machine configuration.
• PKI and certificate lifecycle management (x.509).
• Scripting (Python, Bash, etc.).
• OS/application patching (IAVA, version updates).
• Tools such as Jira, Confluence, GitLab.
• Networking, load balancing, and proxy technologies.
• Databases (Oracle, MongoDB).

Pay

The Proposed Salary Range For This Position Is $103,800 - $218,100.