Senior Cybersecurity Engineer

Marathon TS is searching for a Senior Cybersecurity Engineer to support our efforts at DISA.

• Work closely with the government Information Systems Security Manager (ISSM) to implement the Risk Management Framework (RMF).
  
• Establish and maintain security controls compliance and artifacts in Enterprise Mission Assurance Support Service (eMASS) for Authorization to Operate (ATO) accreditation.
  
• Perform vulnerability and risk analyses of computer systems and applications during all phases of the system development life cycle.
  
• Conduct advanced cybersecurity engineering, risk management, and DoD RMF compliance activities.
  
• Monitor and analyze security events using ACAS, eMASS, CMRS, HBSS/ESS, Splunk, SIEM tools, and other cybersecurity monitoring solutions.
  
• Ensure compliance with DoD cybersecurity frameworks, including NIST 800-53, NIST 800-207 (Zero Trust Architecture), and DISA STIGs.
  
• Integrate security best practices within Agile and DevSecOps environments.
  
• Secure both classified and unclassified DoD networks in compliance with DISN and SIPRNet security policies.
  
• Generate system-level security documentation and support the development of Standard Operating Procedures.
  
• Participate in security audits and develop recommendations for remediation.
  
• Engage customer cybersecurity stakeholders to understand needs and define acceptance criteria for validating cybersecurity controls.
  
• Plan and lead projects; mentor and guide other cybersecurity engineers.
  

Your Talents
We are seeking cybersecurity engineers who are good at:

• Maintaining a strong cybersecurity posture while integrating commercial and open-source technology into innovative solutions.
  
• Designing and implementing secure communications network environments.
  
• Performing in-depth network security analysis and responding to potential incidents.
  
• Utilizing expertise in routing, switching, firewalls, antivirus, host-based protection, SIEM, and virtualization security.
  
• Communicating effectively in both verbal and written forms.
  

• Collaborating to achieve shared goals and ensuring customer success.
  

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").

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