On-Site Information Assurance & Systems Administrator (TS)

SimVentions, Inc.; Virginia; On-site; USD 76,000 - 133,000; Full time

Benefits offered by this job

Employee Ownership

Health insurance

401(k) plan

Education assistance

Paid time off

Paid holidays

Job summary

SimVentions, Inc. is seeking an Information Assurance Specialist / Systems Administrator to support a Navy program in a secure, on-site Dahlgren laboratory.

The role focuses on Linux system administration, information assurance, and maintaining compliant operations under NGA/DoD requirements. Candidates must hold an ACTIVE Top Secret clearance with ability to obtain CI Poly, IAT Level II, experience with RHEL, and be willing to work on-site five days a week.

Qualifications

• IAT Level II certification per DoD 8570/8140 requirements.
• Hands-on experience administering Linux operating systems.
• Knowledge of Linux configuration, user management, and security practices.
• Understanding of information assurance in DoD environments.
• Navy/NGA training to obtain privileged access.
• Strong troubleshooting and problem-solving skills.
• Ability to work 100% on-site in Dahlgren, five days per week.

Responsibilities

• Provide day-to-day administration, maintenance, and technical support for Linux-based systems.
• Configure, monitor, troubleshoot, and maintain system performance and security.
• Manage user accounts, permissions, access controls, and privileged admin functions.
• Identify and resolve system issues, vulnerabilities, and operational concerns.
• Collaborate with technical teams to maintain security, reliability, and readiness.

Skills

Linux administration

IAT Level II

DoD security practices

Navy/NGA environment

Troubleshooting

Education

Bachelor's degree in Cybersecurity or STEM

Tools

RHEL

Bash scripting

Linux utilities

Job description

SimVentions, Inc. is seeking an Information Assurance Specialist / Systems Administrator to support a Navy program in a secure, on-site Dahlgren laboratory.

The role focuses on Linux system administration, information assurance, and maintaining compliant operations under NGA/DoD requirements. Candidates must hold an ACTIVE Top Secret clearance with ability to obtain CI Poly, IAT Level II, experience with RHEL, and be willing to work on-site five days a week.