Information Systems Security Officer Level 1

Markon is seeking an experienced Information Systems Security Officer Level 1 to support the Fort Meade customer. This role will support information systems security operations, maintain compliance with federal security requirements, and ensure the protection of classified systems and networks. The position will work closely with security managers, system administrators, and technical teams to manage security documentation, monitor system activity, assess vulnerabilities, and maintain system authorization under the Risk Management Framework.

Responsibilities

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  Implement, maintain, and enforce information systems security policies, standards, and procedures in accordance with DoD and Intelligence Community requirements.
  
  
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  Support Risk Management Framework activities, including system authorization, continuous monitoring, and security compliance assessments.
  
  
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  Develop and maintain security documentation, including system security plans, risk assessments, certification and accreditation packages, and security requirements traceability matrices.
  
  
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  Monitor security events, analyze system logs, and support incident detection and response using Splunk.
  
  
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  Evaluate security risks, vulnerabilities, and proposed security solutions to ensure the protection of classified information systems.
  
  
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  Maintain configuration management records for security-related hardware, software, firmware, and system changes.
  
  
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  Review system modifications and upgrades to assess security impacts and ensure continued compliance with established requirements.
  
  
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  Support security managers in maintaining the operational security posture of assigned systems, programs, and enclaves.
  
  
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  Administer and monitor user identification, authentication, and access control processes.
  
  
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  Coordinate with system administrators, engineers, and security personnel to resolve security findings and implement corrective actions.
  
  

Qualifications

Required Qualifications 

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  Active TS/SCI clearance with Polygraph required.
  
  
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  Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related technical field. Four additional years of ISSO experience may be substituted for the degree.
  
  
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  5+ years of experience as an Information Systems Security Officer supporting programs or contracts of similar scope, type, and complexity.
  
  
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  DoD 8570 IAT Level I certification or higher required.
  
  
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  Experience with at least one of the following: security tools, hardware/software security implementation, communication protocols, or encryption technologies.
  
  
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  Experience supporting system authorization, security compliance, and Risk Management Framework activities.
  
  
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  Experience developing and maintaining system security plans, risk assessments, and security authorization documentation.
  
  
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  Experience monitoring security events and analyzing logs using Splunk.
  
  
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  Knowledge of information systems security policies, configuration management, and access control procedures.
  
  
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  Strong analytical, troubleshooting, documentation, and communication skills.
  
  

Desired Qualifications

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  Experience supporting classified DoD or Intelligence Community information systems.
  
  
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  Familiarity with NIST security controls, ODNI policies, and DoD cybersecurity requirements.
  
  
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  Experience with vulnerability assessment tools, security scanning, and continuous monitoring.
  
  
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  Experience supporting system authorization packages and audit readiness activities.
  
  
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  Experience collaborating with security managers, system administrators, and engineering teams to maintain system security compliance.
  
  

Salary Range

USD $155,000.00 - USD $165,000.00 /Yr.

The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.