Information Systems Security Engineer
@ ECS Tech Inc

Fairfax, Virginia, United States
$150,000
On Site
Full-time
Posted 28 days ago

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XXXXXXXX XXXXXXXXX XXXXXX***** @ecstech.com
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Job Details

Job Overview

ECS Tech Inc is seeking an Information Systems Security Engineer to work in our Fairfax, VA office. This position is contingent upon additional funding and offers situational telework eligibility.

Responsibilities

  • Provide expertise in applying security requirements to complex DoD/IC projects.
  • Develop secure system architectures, hardening solutions, and strategies.
  • Conduct vulnerability assessments, security testing and continuous monitoring.
  • Implement controls per RMF, NIST and other security guidelines.
  • Perform risk assessments, incident response, and system hardening.
  • Administer tools such as Nessus, Trellix/McAfee, Splunk and Elastic SIEM.
  • Apply STIGs and security mechanisms in varied environments (Windows, Linux, AWS).
  • Document requirements and build bodies of evidence for authorizing officials.
  • Coordinate cross-functional teams and participate in project reviews.

Qualifications

  • Minimum 15 years in information security with 10+ years in DoD/IC environments.
  • Cloud Service Provider Associate Certification required.
  • Strong communication skills and cross-domain technical expertise.
  • Expert in vulnerability analysis, SIEM operations, system hardening and cyber tool engineering.
  • Experience with DoD RMF, JSIG, NIST SP 800 Series, CNSSI 1253.
  • Experience with Xacta or eMASS and cloud cybersecurity models.
  • Required certifications: CISSP/CASP/IAT Level III and Cloud Service Provider Associate.
  • Clearance: TS Clearance SCI Eligible / SAP Eligible.
  • Education: MA/MS in Cybersecurity/Computer Science or BS plus four years experience.

Key skills/competency

Information Systems Security Engineer, RMF, NIST, vulnerability, SIEM, AWS, cloud, DoD, JSIG, cybersecurity

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How to Get Hired at ECS Tech Inc

🎯 Tips for Getting Hired

  • Research ECS Tech Inc's culture: Understand mission, values, and projects.
  • Customize your resume: Highlight DoD/IC security expertise.
  • Prepare for technical interviews: Review RMF and NIST guidelines.
  • Showcase certifications: Emphasize TS/SCI clearance and cloud creds.

📝 Interview Preparation Advice

Technical Preparation

Review RMF and NIST guidelines.
Familiarize with vulnerability assessment tools.
Practice SIEM query languages and AWS console.
Study cloud security and STIG compliance.

Behavioral Questions

Describe handling high-pressure deadlines.
Explain teamwork during cross-functional projects.
Discuss managing complex security incidents.
Share experience adapting to rapid changes.

Frequently Asked Questions