Top Secret Linux Systems Administrator – On Site

ASEC, Inc; Ridgecrest (CA); On-site; USD 110,000 - 135,000; Full time

Benefits offered by this job

ESOP

Comprehensive benefits

401(k) with company match

Tuition assistance

Veteran-friendly

Thriving culture

Job summary

ASEC, Inc. is seeking a Linux System Administrator to support mission-critical Navy training systems at NAWS China Lake, CA. The role focuses on securing, sustaining, and optimizing DoD Linux environments with a strong emphasis on RMF, DISA STIGs, vulnerability management, and automation using Ansible.

The position requires Top Secret clearance eligibility, on-site work, and a competitive salary. The candidate will collaborate with DevOps, security teams, and DoD partners to maintain

Qualifications

• CompTIA Security+ is required.

Responsibilities

• Secure, sustain, and optimize DoD Linux environments.
• Apply DISA STIGs to Linux configurations to prevent audit issues.
• Manage ACAS vulnerability assessments and accreditation artifacts for ATO compliance.
• Maintain VMware ESXi hypervisors, patching and hardening.
• Automate tasks using Red Hat Ansible Automation Platform.
• Apply monthly RHEL updates to keep the environment secure.
• Release quarterly RHEL hardened templates with proper documentation and ATO submission.
• Monitor Linux and ESXi for performance, availability, and security.
• Support RMF compliance (FISMA, NIST 800-53, DoD SRG).
• Maintain technical docs in Confluence and track tasks in Jira.
• Operate SolarWinds monitoring and auditing tools.

Skills

Linux

Security+

Vulnerability management

RMF compliance

Active Directory

DNS performance

PowerShell

Education

Bachelor's degree in IT/CS

Tools

VMware ESXi

Ansible

ACAS

STIGs

Confluence

Jira

SolarWinds

Job description

ASEC, Inc. is seeking a Linux System Administrator to support mission-critical Navy training systems at NAWS China Lake, CA. The role focuses on securing, sustaining, and optimizing DoD Linux environments with a strong emphasis on RMF, DISA STIGs, vulnerability management, and automation using Ansible.

The position requires Top Secret clearance eligibility, on-site work, and a competitive salary. The candidate will collaborate with DevOps, security teams, and DoD partners to maintain