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Senior ISSE: DoD Cyber Defense & Cloud Security

Job in Gaithersburg, Montgomery County, Maryland, 20883, USA
Listing for: Peraton
Full Time position
Listed on 2026-09-09
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below

Peraton seeks an Information Systems Security Engineer to support our customer onsite in Annapolis Junction. The role emphasizes RMF-based security engineering, vulnerability management, and secure configurations across Windows, Linux, and cloud environments.

You will use Nessus, Cyber Ark, Trellix, Splunk, and VMware to strengthen the security posture, while developing automation scripts in Power Shell, Python, and Bash to accelerate remediation and reporting.

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Position Requirements
10+ Years work experience
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