Senior Security Engineer: RMF/ATO & Vulnerability Lead

Talentify; Bethesda (MD); On-site; USD 120,000 - 180,000; Full time

Job summary

Base-2 Solutions is seeking a Senior Security Engineer to serve as the technical lead for day-to-day security activities supporting enterprise and isolated environments at the customer site in Bethesda, MD.

This hands-on leader will provide technical leadership for security operations, vulnerability management, RMF/ATO support, continuous monitoring, and security engineering activities, coordinating with ISSMs and engineering teams to maintain robust security postures.

Qualifications

• Bachelor's degree in CS/IT or related field.
• 8+ years of relevant security experience.
• DoD 8570.11 IAT Level II or equivalent certification (e.g., Security+ CE, CCNA-Security, GSEC, SSCP).

Responsibilities

• Lead and coordinate day-to-day security operations and set priorities for the security team.
• Provide technical leadership to security personnel and engineers.
• Lead vulnerability management from discovery to closure across multiple environments.
• Oversee vulnerability scanning with ACAS/Tenable/Nessus and ensure remediation.
• Implement and validate DISA STIGs and security baselines across infrastructure.
• Support RMF/ATO activities with proper documentation and evidence.

Skills

Security ops

Vuln mgmt

RMF/ATO

Team leadership

NIST SP 800-53

Splunk

ACAS/Nessus

DISA STIGs

Education

Bachelor's degree in CS/IT or related

Tools

ACAS

Nessus

Splunk

McAfee HBSS

Job description

Base-2 Solutions is seeking a Senior Security Engineer to serve as the technical lead for day-to-day security activities supporting enterprise and isolated environments at the customer site in Bethesda, MD.

This hands-on leader will provide technical leadership for security operations, vulnerability management, RMF/ATO support, continuous monitoring, and security engineering activities, coordinating with ISSMs and engineering teams to maintain robust security postures.