Cyber Systems Engineer

RAZOR; Fort Belvoir (VA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Razor is seeking an experienced Cyber Systems Engineer to support Linux-based systems within an AWS cloud environment, emphasizing security, automation, and continuous monitoring. The role blends hands-on engineering with cyber responsibilities, including RHEL administration, scripting, vulnerability remediation, patch management, and cloud optimization.

The ideal candidate will have TS/SCI clearance, strong RHEL/AWS skills, Bash scripting, vulnerability management, and security-focused system

Qualifications

• Hands-on experience administering Red Hat Enterprise Linux (RHEL).
• Experience with AWS cloud environments and Linux command-line.
• Bash scripting for automation and system administration.
• Experience with patch management, hardening, and vulnerability remediation.
• Familiarity with vulnerability scanners such as Tenable/Nessus and DISA STIGs.
• Ability to review findings and implement remediation actions.
• Strong technical documentation and communication skills.
• Experience supporting security controls in Linux/cloud environments.

Responsibilities

• Administer, configure, secure, and maintain RHEL systems in AWS.
• Develop Bash scripts to automate admin, monitoring, and remediation tasks.
• Implement security controls and perform system hardening.
• Run vulnerability assessments with Tenable/Nessus and address findings.
• Maintain Splunk dashboards, searches, and alerts for monitoring.
• Collaborate with teams to resolve issues and improve security posture.
• Support security audits and compliance activities.

Skills

RHEL

AWS

Bash scripting

Tenable/Nessus

DISA STIGs

System hardening

Security monitoring

Cloud security

Tools

Splunk

Docker

VMware

Kubernetes

Job description

Razor is seeking an experienced Cyber Systems Engineer to support the administration, security, automation, and continuous monitoring of Linux-based systems within an AWS cloud environment. This position combines hands-on systems engineering with cybersecurity responsibilities, including Red Hat Enterprise Linux (RHEL) administration, scripting and automation, vulnerability remediation, patch management, system hardening, security monitoring, and cloud infrastructure optimization.

The ideal candidate will have strong experience with RHEL, AWS, Bash scripting, Tenable/Nessus, DISA STIGs, and security-focused systems administration and will be comfortable troubleshooting complex technical issues, implementing security controls, automating operational processes, and supporting secure federal environments.

Clearance Requirements

• Active, transferable TS/SCI clearance required

Hybrid Requirements

This is a Hybrid/Remote position located in Ft Belvoir, VA.

Key Responsibilities

• Administer, configure, maintain, and secure Red Hat Enterprise Linux (RHEL) systems within AWS environments
• Perform privileged Linux system administration, troubleshooting, patching, configuration, and ongoing maintenance
• Develop and maintain Bash scripts to automate system administration, monitoring, security, and remediation activities
• Implement and configure cybersecurity tools across AWS infrastructure to maintain secure and compliant cloud environments
• Conduct vulnerability assessments using Tenable/Nessus and analyze findings against DISA STIGs and applicable federal security baselines
• Investigate and remediate vulnerabilities through patching, configuration changes, system hardening, and other corrective actions
• Test patches, configuration changes, and software releases prior to deployment to minimize operational risk
• Develop and maintain Splunk dashboards, searches, queries, and alerts to support continuous monitoring
• Monitor system and security events to identify vulnerabilities, configuration issues, performance concerns, and operational risks
• Evaluate AWS environments and recommend improvements to security, performance, reliability, resilience, and cost efficiency
• Troubleshoot Linux, AWS infrastructure, cybersecurity tooling, and system integration issues and perform root-cause analysis
• Implement and validate system-hardening requirements and applicable security controls
• Support security audits, assessments, compliance reviews, and security-control validation activities
• Collaborate with systems engineers, cybersecurity teams, cloud engineers, developers, and Government stakeholders to resolve technical issues and implement new capabilities
• Research emerging technologies, security threats, vulnerabilities, and alternative technical solutions
• Develop and maintain technical documentation covering system configurations, security requirements, remediation activities, operational procedures, and recommended improvements

Required Qualifications

• Hands-on experience administering and supporting Red Hat Enterprise Linux (RHEL) systems
• Experience working within AWS cloud environments
• Strong Linux command-line administration and system troubleshooting experience
• Hands-on Bash scripting experience for automation and systems administration
• Experience with Linux patch management, system hardening, and vulnerability remediation
• Experience using vulnerability scanning and management tools such as Tenable or Nessus
• Knowledge of DISA Security Technical Implementation Guides (STIGs) and security configuration baselines
• Experience implementing or supporting security controls within Linux or cloud environments
• Experience troubleshooting complex technical issues and performing structured root-cause analysis
• Ability to review technical and security findings, determine appropriate remediation actions, implement changes, and verify successful resolution
• Strong technical documentation and communication skills
• Ability to collaborate effectively with infrastructure, cybersecurity, development, and Government/customer teams

Preferred Qualifications

• Experience with Splunk, including SPL queries, dashboard development, alerting, and infrastructure/security monitoring
• Experience automating cybersecurity or infrastructure operations
• Experience supporting Linux systems within federal or Department of Defense environments
• Knowledge of AWS security services, IAM, networking, logging, and monitoring
• Experience testing infrastructure changes, patches, or application deployments
• Familiarity with Docker or other containerized application technologies
• Experience with VMware, Proxmox, or other virtualization technologies
• Familiarity with CI/CD, DevSecOps, or Infrastructure as Code (IaC) concepts
• Experience supporting system security assessments, audits, or compliance activities
• Security+, Linux+, RHCSA/RHCE, AWS, or similar technical certification

Core Technologies

Red Hat Enterprise Linux (RHEL) | Linux | AWS | Bash | Tenable/Nessus | DISA STIGs | Splunk | Vulnerability Management | Patch Management | System Hardening | Cloud Security | Automation | Continuous Monitoring

Employer Information

Razor is an Equal Opportunity Employer and considers all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic.

Benefits Overview

Razor offers a comprehensive benefits package which may include medical, dental, and vision insurance, paid time off, holidays, a 401(k) plan, professional development opportunities, and other competitive benefits designed to support the health and well-being of our employees.