On-Site Junior Security Engineer | Hands-on Defender

Base-2 Solutions, LLC; Bethesda (MD); On-site; USD 85,000 - 110,000; Full time

Job summary

Base-2 Solutions, LLC seeks a Junior Security Engineer to support day-to-day security operations in Bethesda, MD. You will assist with vulnerability management, RMF/ATO activities, system hardening, and continuous monitoring across enterprise and restricted environments.

The role offers growth across cybersecurity disciplines; you will collaborate with cross-functional teams and contribute to security documentation, BoE, and compliance with NIST standards, while working on-site in a

Qualifications

• Bachelor’s degree or equivalent experience required; 2+ years in security engineering or related field.
• US Citizenship is required due to government contracts.
• DoD 8570.11 IAT Level II certification requirements (Security CE, CCNA-Security, GSEC, SSCP) or equivalent.
• Active Top Secret/SCI clearance required.
• Experience implementing security controls on networks, systems, and AD across multiple sites.

Responsibilities

• Perform day-to-day security activities under supervision and escalate blockers as needed.
• Support vulnerability management from identification to closure including remediation and validation.
• Perform vulnerability scanning using ACAS/Tenable/Nessus and analyze findings.
• Collaborate with Windows, Linux, network, and desktop teams for remediation and hardening.
• Implement and validate DISA STIGs and baseline configurations across infrastructure.

Skills

Vulnerability management

Security operations

RMF/ATO support

Incident response

Documentation & diagrams

Education

Bachelor’s degree or equivalent experience

Two years’ relevant experience

Tools

ACAS

Tenable/Nessus

Splunk

McAfee HBSS

Active Directory

Windows Server

Job description

Base-2 Solutions, LLC seeks a Junior Security Engineer to support day-to-day security operations in Bethesda, MD. You will assist with vulnerability management, RMF/ATO activities, system hardening, and continuous monitoring across enterprise and restricted environments.

The role offers growth across cybersecurity disciplines; you will collaborate with cross-functional teams and contribute to security documentation, BoE, and compliance with NIST standards, while working on-site in a