Mid - Level System Administrator enhancing and deploying a large - scale Satellite Communications system for USSF and USAF. Collaborating in a fast - paced Agile environment to deliver security and performance outcomes.
About the role
- Senior Systems Administrator designing, automating, and operating large-scale Linux infrastructure across on-premises and cloud environments. Collaborating closely with systems, network, security, and application teams to modernize infrastructure operations.
Responsibilities
- Architect, deploy, and maintain Enterprise Linux systems / MS Servers (physical, virtual, and cloud-based) with a strong emphasis on performance, reliability, and security.
- Design and implement automation-first solutions for system provisioning, configuration, patching, and lifecycle management using tools such as Ansible, SaltStack, or similar frameworks.
- Develop and maintain scripts and tooling (Python, Bash, or equivalent) to automate operational tasks, reduce manual intervention, and improve system observability.
- Build and maintain standardized Linux images, baselines, and hardened configurations, enforcing consistency across environments.
- Lead OS-level troubleshooting efforts, including kernel, filesystem, storage, networking, and performance analysis.
- Manage and automate patching, upgrades, and vulnerability remediation for Linux systems at scale.
- Administer and automate core Linux services including DNS, DHCP, Apache/Nginx, MySQL/MariaDB, and Postfix.
- Implement and maintain security controls such as server hardening, access controls, SSL/TLS certificate management, backups, and disaster recovery processes.
- Support and enhance virtualized and containerized platforms, including VMware and Kubernetes-based environments.
- Participate in on-call rotation, after-hours maintenance, and incident response activities.
Requirements
- Deep expertise in Enterprise Linux administration, including system internals, performance tuning, security hardening, and troubleshooting.
- Strong experience with configuration management and automation tools such as Ansible or SaltStack.
- Proficiency in scripting and automation with Python preferred; strong Bash skills required.
- Hands-on experience with VMware environments and automated provisioning.
- Advanced troubleshooting skills using Linux and network diagnostic tools.
- Experience administering Linux-based services such as DNS, Apache/Nginx, MySQL/MariaDB, and Postfix.
- Strong understanding of server and network security concepts.
- Experience managing, securing, and patching Microsoft Windows servers.
- Experience with Kubernetes or other container orchestration platforms.
- Experience operating Linux workloads in cloud environments such as AWS or Azure.
- Ability to work effectively in a 24x7 environment, including on-call responsibilities.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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