Cybersecurity Systems Administrator - Defense

Artha; Maryland; On-site; USD 100,000 - 140,000; Full time

Job summary

SimVentions, Inc. is seeking a Cybersecurity Engineer to protect complex systems serving DoD and federal clients.

You will design and harden secure architectures, perform vulnerability assessments, configure firewalls and IDS/IPS, and support RMF/ATO activities. Collaboration with software and systems engineers will be essential as you respond to security incidents and help shape security policies and controls.

Qualifications

• Experience securing DoD/federal systems.
• Knowledge of RMF/ATO frameworks and security controls.
• Experience configuring firewalls, IDS/IPS, and secure architectures.
• Proven incident response and forensics capabilities.

Responsibilities

• Design and harden secure architectures for complex systems.
• Perform vulnerability assessments and risk analysis.
• Configure and manage firewalls and IDS/IPS protections.
• Support RMF/ATO activities and security authorization.
• Respond to security incidents and coordinate with engineering teams.

Skills

Network security

RMF/ATO processes

Incident response

Vulnerability assessment

Job description

Cybersecurity Engineer - Defense Systems

Full-time

Security engineering Network security RMF/ATO Vulnerability assessment Incident response

About the Job

SimVentions, Inc., a mission-focused technology solutions company, is seeking a Security Engineer to protect complex systems supporting U.S. Department of Defense and federal clients. In this role, you will design and harden secure architectures, perform vulnerability assessments, configure firewalls and IDS/IPS, and support RMF/ATO activities. You will collaborate closely with software and systems engineers, respond to security incidents, and help shape security policies and controls. Join a collaborative, values-driven team where your work directly supports national defense and your professional growth is a priority.

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