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Cyber Security Engineer 3

Base-2 Solutions
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Bethesda, MD, USA
Sep 20, 2026
Position Summary Support multiple task orders under the DOMEX Technology Platform contract supporting NMEC by designing, developing, and implementing secure systems in on-premises infrastructure and integrating security across the system lifecycle. Essential Duties and
    • Support the secure architecture, design, and implementation of DoD systems in accordance with DoDI 8510.01, NIST SP 800-53, and other DoD security guidance.
    • Lead integration of RMF activities into the SDLC, including selection, implementation, and validation of security controls.
    • Develop and maintain SSPs, SARs, risk assessments, and POA&Ms.
    • Apply STIGs and validate compliance using SCAP, STIG Viewer, and ACAS.
    • Maintain scanning infrastructure and analyze vulnerabilities for mitigation or risk acceptance.
    • Support system authorization, incident response, forensics analysis, and security automation efforts. Required
    • Active TS/SCI with ability to obtain a CI Polygraph.
    • Bachelor's degree with a minimum of six years of
experience in the category field. Three additional years of
    • At least one DoD 8570.01-M IASAE Level II certification: CISSP, CISSP-ISSAP, CISSP-ISSEP, CSSLP, or CASP+ CE.
    • Developer
experience preferred in at least one scripting or programming language.
  • Experience reviewing cybersecurity vulnerabilities for risk and relevance and building mitigation/remediation plans across systems, network, application, and database vulnerabilities.
  • Ability to architect, design, troubleshoot, maintain, and deploy vulnerability scanning solutions such as OWASP, Fortify, SonarQube, and Tenable.
  • Experience with XACTA, eMASS, or similar tools.
  • Strong understanding of Microsoft Windows and Linux/UNIX operating systems.
  • Experience with middleware/web technologies, databases, TCP/IP networking, and CI/CD platforms.
  • Familiarity with NIST 800-171, 800-172, NIST SSDF, CMMC, and CNSSI 1253.
  • Experience supporting DoD/IC systems through the RMF+ process.
Preferred Qualifications
  • Software development
experience with Python, Java, or React.
  • Experience successfully achieving ATO under RMF+.
  • Experience with big data applications.
  • Experience with GitLab, Jira, and Confluence.
  • Experience in Agile environments.
  • Experience with OIDC or OAuth2.
  • Experience with Kubernetes, Rancher, Strimzi, Cloudera, Active Directory, and scripting languages such as Bash, Python, or PowerShell. Required
Education and Experience Equivalency
  • High School Diploma/GED with 9 years of
experience.
  • Associates Degree with 9 years of
experience.
  • Bachelors' Degree with 6 years of
experience.
  • Masters' Degree with 6 years of
experience.
  • PhD with 6 years of
experience. Required Certifications
  • One DoD 8570.01-M IASAE Level II certification: CISSP, CISSP-ISSAP, CISSP-ISSEP, CSSLP, or CASP+ CE. Required Security
Clearance
  • Active TS/SCI with ability to obtain a CI Polygraph.

Job ID

4044
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