Junior Security Engineer

RPMGlobal; Bethesda, Northern (MD, KY); Hybrid; USD 65,000 - 90,000; Full time

Job summary

Base-2 Solutions in Bethesda, MD is seeking a Junior Security Engineer to support security operations, vulnerability management, RMF/ATO activities, system hardening, and continuous monitoring on-site. You will collaborate with multiple engineering teams to remediate security issues and validate configuration baselines across infrastructure.

The role offers hands-on security exposure and growth opportunities as knowledge increases, with a focus on monitoring, incident escalation, and compliance

Qualifications

• Bachelor's degree with at least 2 years of relevant experience.
• Additional years of relevant experience in lieu of a degree.

Responsibilities

• Perform day-to-day security activities under the direction of senior personnel and escalate risks as appropriate.
• Support vulnerability management activities from identification through closure including remediation and validation.
• Perform vulnerability scanning and analyze findings with ACAS, Tenable/Nessus, or equivalent.
• Collaborate with Windows, Linux, network, and other teams to remediate security issues.
• Implement and validate DISA STIGs and approved security baselines.
• Conduct audit log reviews, account reviews, and continuous monitoring activities.
• Support RMF/ATO activities including documentation, BoE, POA&Ms, and NIST SP 800-53 alignment.
• Review system changes for potential security impact and document findings.
• Assist with isolated/restricted environments security activities including scanning, patching, and hardening.
• Review security logs with Splunk and escalate issues as needed.
• Maintain security procedures, documentation, and remediation records.
• Track findings and provide status updates through completion.
• Participate in security reviews and TEMs as required.
• Research vulnerabilities and remediation approaches and provide recommendations.
• Develop technical knowledge across the environment and take on increasing responsibility.

Skills

Windows Server administration

Security concepts

Vulnerability management

RMF/ATO support

SIEM monitoring

Documentation & diagrams

Education

Bachelor's degree + 2 years relevant experience

Relevant experience in lieu of degree

Tools

ACAS

Tenable/Nessus

Splunk

McAfee HBSS

DISA STIGs tooling

Job description

Position Summary

Base-2 Solutions is seeking a Junior Security Engineer to support day-to-day security activities across enterprise and isolated environments. This on-site position in Bethesda, MD will provide hands‑on support for security operations, vulnerability management, RMF/ATO activities, system hardening, and continuous monitoring. The role offers opportunities to develop across multiple areas of cybersecurity and take on increased technical responsibility as knowledge and experience grow.

Essential Duties and Responsibilities

• Perform day-to-day security activities under the direction of senior security personnel and **escalate** risks, technical issues, and blockers as appropriate.
• Support vulnerability management activities from identification through closure, including analysis, remediation, validation, and documentation.
• Perform vulnerability scanning and analyze findings using ACAS, Tenable/Nessus, or equivalent technologies.
• Work with Windows, Linux, network, desktop support, and other engineering teams to assist with vulnerability remediation and security‑related technical issues.
• Implement and validate DISA STIGs and approved security configuration baselines across infrastructure systems.
• Perform recurring security activities, including audit log reviews, account reviews, vulnerability reviews, security control validation, and continuous monitoring.
• Support RMF/ATO activities, including security documentation, control evidence, Body of Evidence (BoE), POA&Ms, and compliance with NIST SP 800‑53, ICD 503, and applicable security directives.
• Assist with reviewing system and configuration changes for potential security impact and document findings for review by senior security personnel and the ISSM.
• Support security activities for isolated or restricted environments, including vulnerability scanning, logging, patching, hardening, and security monitoring.
• Review security logs and events using Splunk or equivalent SIEM/log‑management technologies and **escalate** identified issues as appropriate.
• Assist with maintaining security procedures, documentation, compliance evidence, and vulnerability remediation records.
• Track assigned security findings, remediation activities, and action items through completion and provide status updates as required.
• Participate in security reviews, engineering meetings, and Technical Exchange Meetings (TEMs) as required.
• Research security vulnerabilities, technical requirements, and remediation approaches and provide findings and recommendations to senior security personnel.
• Develop technical knowledge across the environment and take on increased responsibility for security activities as experience and proficiency grow.

Required Qualifications

• Relevant experience meeting an applicable education/experience pathway in the equivalency section.
• Experience with application performance and latency problems related to security requirements from front, middle, and back end.
• Working experience with Windows Server 2016/2019, Active Directory, IIS, DNS, DHCP, Exchange, and DFS.
• Experience implementing security controls on common network services such as file, email, and Active Directory across multiple geographically dispersed sites.
• Experience with networking technologies and security assessment, including STIGs.
• Experience implementing and supporting enterprise system security and malware monitoring and prevention tools such as Splunk, McAfee HBSS, and ACAS.
• Solid network and systems troubleshooting experience with TCP/IP, Internet security, and encryption, including data at rest and data in transit.
• Ability to produce clear and concise documents and diagrams capturing networking and operational procedures and LAN/WAN topology using MS Visio, MS Project, MS Excel, and MS Word.
• US Citizenship is required due to the nature of the government contracts supported.

Preferred Qualifications

• CISSP certification.
• CASP certification.

Required Education and Experience Equivalency

• Bachelor's degree with at least 2 years of relevant experience.
• Additional years of relevant experience in lieu of a degree.

Required Certifications

• Candidate must, at a minimum, meet DoD 8570.11- IAT Level II certification requirements, currently Security+ CE, CCNA‑Security, GSEC, or SSCP along with an appropriate computing environment (CE) certification.

Required Security Clearance

• Active Top Secret/SCI