Linux Automation Administrator-Senior

NetSage; Linthicum (MD); On-site; USD 110,000 - 170,000; Full time

Job summary

NetSage is seeking a Senior Linux Automation Administrator to manage secure Linux environments across connected and disconnected networks. You will maintain Kubernetes infrastructure, develop and maintain Ansible Playbooks, and implement rigorous security configurations and monitoring to support mission-critical environments.

The ideal candidate will have strong Linux automation expertise, experience in secure/disconnected setups, and a track record delivering reliable infrastructure solutions

Qualifications

• Active Top Secret clearance with SCI eligibility.
• Bachelor's degree in IT or related field plus 5 years of relevant experience; or MS degree with 3 years; or no degree with 9 years.
• Active CompTIA Security+ certification.
• Expert-level Configuration as Code (CaC) with Ansible strongly preferred.
• Experience administering RHEL and Ubuntu in disconnected/restricted networks.

Responsibilities

• Administer secure Linux environments across connected and disconnected networks.
• Maintain Kubernetes infrastructure and related components.
• Develop and maintain Ansible Playbooks and IaC configurations.
• Implement secure configuration and monitoring in mission-critical environments.

Skills

Ansible

RHEL

Ubuntu

Kubernetes

Security+

Education

B.S. in Information Technology or related field

M.S. in Information Technology or related field

No degree, 9+ years relevant experience

Tools

Terraform

Splunk

Grafana

SolarWinds

Job description

At NetSage, we are more than a government contractor—we are a mission-focused partner dedicated to advancing national security through exceptional cyber expertise. We believe our success begins with our people, which is why we invest in and care for our employees. We know that employee retention is mission continuity, and we are committed to building long-term careers where our people can grow alongside our customers' evolving missions. Our employees enjoy meaningful work, competitive compensation, outstanding benefits, and opportunities to expand their skills across multiple mission areas.

Job Description

We are seeking a Senior Linux Automation Administrator with expertise in Red Hat Linux (RHEL) and Ubuntu servers. In this role, you will administer secure Linux environments across both connected and disconnected networks, maintain Kubernetes infrastructure, develop and maintain Ansible Playbooks, and implement secure configuration and monitoring practices across mission-critical environments. The ideal candidate for this position will have strong Linux administration and automation expertise, experience working in secure and disconnected environments, and the ability to diagnose issues and deliver reliable infrastructure solutions. Please consider applying if you meet the following qualifications.

Required Qualifications

• Top Secret security clearance with SCI eligibility.
• A Bachelor of Science (B.S.) degree in Information Technology or a related field and five (5) years of relevant experience. Also acceptable are a Master of Science (M.S.) degree and three (3) years or no degree and nine (9) years of relevant experience.
• Active CompTIA Security+ certification.
• Expert-level experience with Configuration as Code (CaC) technologies, with Ansible strongly preferred.
• Demonstrated expertise administering RHEL and Ubuntu systems in disconnected or restricted network environments.

Desired Qualifications

• Experience with Infrastructure as Code (IaC) technologies, particularly Terraform.
• Experience administering Kubernetes clusters and services.
• Experience securing systems in accordance with DISA STIGs and NIST SP 800-53 security controls.
• Experience with infrastructure monitoring and observability platforms such as Splunk, Grafana, or SolarWinds.
• Experience developing detailed outage and security incident reports, including root cause analysis and corrective/preventive actions.
• Knowledge of host-level networking, including network interface configuration and instance-based firewall management.