Senior Systems Security Engineer

42d4uXfwWwix8QWXMoUPZeยท Delaware Nation Investments
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About this role

DNI is currently seeking a Senior System Security Engineer (SSE) to support the CPE C3N contract in Aberdeen, MD. The SSE will support, coordinate, and implement the organization's computer information security measures to safeguard information in computer files against accidental or unauthorized modification, destruction, or disclosure. Review violations of computer security procedures to eliminate violations.

Responsibilities

  • Review, research, and evaluate cybersecurity system architecture in accordance with the National Institute of Standards and Technology (NIST) Special Publication 800-53, Department of Defense (DoD) Risk Management Framework (RMF), and Army policies
  • Perform tactical cyber security vulnerability reviews for computer hardware, systems software, and computer system architecture, and integration to include the evaluation of tactical network integration and satellite communications
  • Validate and assess Information Systems Cybersecurity controls for threat and cybersecurity events related to tactical and acquisition systems that impact the systems cybersecurity posture
  • Perform periodic reviews to determine the security posture of CPE C3N APEO acquisition systems and tactical networks to ensure compliance with all NIST, DoD, and Army policies
  • Provide recommendations in support of cybersecurity for Assessment and Authorization (A&A) implementation of the RMF process for tactical systems and networks

  • Bachelor's degree in appropriate scientific, engineering, or computer related discipline
  • 8 years of Cybersecurity experience or an equivalent combination of education and experience
  • Experience with cybersecurity policies and implementation
  • Experience with Army C5ISR systems
  • Certified in accordance with DoDD 8140.01 and DoD 8570.01-M
  • Experience with the Risk Management Framework - Required
  • Experience with Enterprise Mission Assurance Support Service (eMASS) โ€“ Required
  • Prior experience with Continuous Integration/Continuous Delivery (CI/CD) pipelines is a nice to have.
  • Experience with commercial Cloud technologies like AWS, Azure and Google, is a nice to have.
  • Experience with tools such as STIG Viewer, ACAS, Nessus, and Elastic Stack, Software Code Analysis tools ( SonarQube, Fortify, Black Duck, Codacy, etc), Container Scanners (Trivy, Snyk, Grype, Clair, etc) .

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SECURITY CLEARANCE REQUIRED: Must have an active security clearance at the Secret level. US Citizenship is a requirement for Secret clearance at this location.

Benefits Include:

  • Covers 100% of employee benefit premiums, including Medical (PPO or HDHP Option), Vision, Dental
  • Matching 401K
  • Short- and Long-Term Disability
  • Pet Insurance
  • Professional Development/Education Reimbursement
  • Parking and Transit Benefits for NY, NJ, ATL, and DC Metro areas

Other Duties:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Frequently Asked Questions

Is the salary disclosed for the Senior Systems Security Engineer position at 42d4uXfwWwix8QWXMoUPZe?
The salary for this Senior Systems Security Engineer role at 42d4uXfwWwix8QWXMoUPZe is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Systems Security Engineer position at 42d4uXfwWwix8QWXMoUPZe located?
This Senior Systems Security Engineer role at 42d4uXfwWwix8QWXMoUPZe is based in Aberdeen Proving Ground, Maryland, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Senior Systems Security Engineer at 42d4uXfwWwix8QWXMoUPZe belong to?
This Senior Systems Security Engineer position is part of the Delaware Nation Investments department at 42d4uXfwWwix8QWXMoUPZe. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Systems Security Engineer position at 42d4uXfwWwix8QWXMoUPZe?
Click the "Apply Now" button on this page. You will be redirected to 42d4uXfwWwix8QWXMoUPZe's official application portal hosted on workable where you can submit your application directly.
When was the Senior Systems Security Engineer job at 42d4uXfwWwix8QWXMoUPZe posted?
This Senior Systems Security Engineer position at 42d4uXfwWwix8QWXMoUPZe was posted on Mar 11, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Senior Systems Security Engineer
42d4uXfwWwix8QWXMoUPZe
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