Senior Linux Engineer – DevSecOps & Secure Infra

SimVentions; Dahlgren (VA); On-site; USD 106,000 - 147,000; Full time

Benefits offered by this job

Employee Ownership (ESOP)

401(k) plans

Health coverage

Paid Time Off

Education assistance

Family-friendly culture

Job summary

SimVentions is seeking an experienced Linux System Administrator to join our team at Naval Dahlgren. The role covers Linux systems engineering, administration, and DevSecOps support across secure development, test, and operational environments, onsite 3-4 days per week.

The ideal candidate has 6–8 years in similar roles, an ACTIVE Secret Clearance, and hands-on experience with Bash/Python, automation, and virtualization (VMware, KVM, Docker/Podman).

Qualifications

• 6+ years of Linux system administration experience with performance tuning, networking, and service management.

Responsibilities

• Design, develop, and optimize Linux-based applications, tools, and system components
• Lead administration and hardening of Linux systems (RHEL, CentOS, Ubuntu) across production, development, and secure environments
• Architect and implement automation solutions using Ansible, Terraform, Bash, Python, or similar tools
• Diagnose and resolve complex system, network, and application issues, providing Tier 3 expertise
• Collaborate with cybersecurity teams to ensure compliance with federal security standards (STIGs, NIST, FISMA)
• Support and enhance CI/CD pipelines and DevOps workflows
• Manage small computer lab environments, including workstation provisioning, OS imaging, patching, network configuration, and hardware lifecycle management
• Produce clear documentation for system configurations, processes, and operational procedures

Skills

Linux system administration

Scripting (Bash/Python)

Configuration management

Automation tooling

Security compliance (STIG/NIST)

Virtualization (VMware/KVM)

Containerization (Docker/Podman)

Tools

Terraform

CloudFormation

GitLab CI

Jenkins

GitHub Actions

VMware

KVM

Docker

Podman

Job description

SimVentions is seeking an experienced Linux System Administrator to join our team at Naval Dahlgren. The role covers Linux systems engineering, administration, and DevSecOps support across secure development, test, and operational environments, onsite 3-4 days per week.

The ideal candidate has 6–8 years in similar roles, an ACTIVE Secret Clearance, and hands-on experience with Bash/Python, automation, and virtualization (VMware, KVM, Docker/Podman).