Senior Linux Engineer

Overview

Sim Ventions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! This position provides senior-level Linux systems engineering, administration, and Dev Sec Ops  support for secure development, test, and operational environments supporting NSWCDD laser, electro-optical (EO), and mission system programs. Candidate will need to be onsite at Naval Support Facility Dahlgren/Naval Surface Warfare Center Dahlgren Division or Contractor Site 3-4 days per week

An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance.

• Extensive experience with Linux system administration, including performance tuning, networking, and service management
• Strong scripting and development skills in Bash, Python, or similar languages.
• Hands‑on experience with configuration management and infrastructure automation
• Deep understanding of secure system configuration and federal compliance frameworks
• Demonstrated experience setting up and maintaining small computer lab environments (hardware setup, OS imaging, network configuration, patching, and troubleshooting)
• Proficiency with virtualization and containerization technologies (VMware, KVM, Docker, Podman)

• 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 Dev Ops 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

• Experience with infrastructure‑as‑code (Terraform, Cloud Formation)
• Familiarity with cloud environments (AWS Gov Cloud, Azure Government)
• Experience with CI/CD platforms (Git Lab CI, Jenkins, Git Hub Actions)

Compensation at Sim Ventions is determined by a number of factors, including, but not limited to, the candidate’s experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements.

The projected annual compensation range for this position is $126,000 - $176,000 (USD). This estimate reflects the standard salary range for this position and is just one component of the total compensation package that Sim Ventions offers.

At Sim Ventions, we’re committed to supporting the total well-being of our employees and their families. Our benefit offerings include comprehensive health and welfare plans to serve a variety of needs.

We offer:

• Medical, dental, vision, and prescription drug coverage
• Employee Stock Ownership Plan (ESOP)
• Competitive 401(k) programs
• Retirement and Financial Counselors
• Health Savings and Health Reimbursement Accounts
• Flexible Spending Accounts
• Life insurance, short- & long-term disability
• Continuing Education Assistance
• Paid Time Off, Paid Holidays, Paid Leave (e.g., Maternity, Paternity, Jury Duty, Bereavement, Military)
• Third Party Employee Assistance Program that offers emotional and lifestyle well-being services, to include free counseling
• Supplemental Benefit Program