Senior Cybersecurity Engineer III – DoD Environments

Base-2 Solutions, LLC; Reston (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Base-2 Solutions, LLC in Reston, VA is seeking a Cybersecurity Engineer 3 to design, implement, and maintain robust security across networks, applications, and cloud environments for DoD-grade workloads.

The ideal candidate holds an active TS/SCI with CI Poly and 7+ years of hands-on experience implementing security controls per NIST SP 800-53, RMF, ICD 503, FedRAMP, and related standards. You will lead incident response, vulnerability assessments, and log monitoring with Splunk across teams.

Qualifications

• Active Top Secret/SCI with CI Polygraph required.
• 7+ years of experience as a cybersecurity engineer with a specialization in designing and building implementations of required security controls.
• Experience implementing continuous monitoring and auditing of solutions for compliance with security controls.
• Strong skills in specifying and implementing log collection into tools such as Splunk.
• Experience querying and analyzing aggregated logs to identify security-relevant anomalies or risks.
• Strong experience implementing security controls from government regulatory frameworks and security standards, including NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP.
• Experience implementing controls for cloud, container, and DevSecOps services and solutions within IL5 to IL6 environments.
• Strong understanding of network protocols, operating systems, and infrastructure components.
• Proficiency in incident response, security incident handling, and forensic analysis techniques.
• Experience with security tools such as Fortify, Acunetix, and Prisma Cloud.
• Effective communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
• CISSP or equivalent certification to support DoD 8140 requirements.

Responsibilities

• Design, implement, and manage security solutions, including firewalls, intrusion detection/prevention systems, endpoint protection, and encryption mechanisms.
• Conduct regular security assessments to identify vulnerabilities and weaknesses in systems, networks, and applications.
• Develop and implement incident response plans to effectively address security incidents and breaches.
• Collaborate with cross-functional teams to establish and enforce security policies, standards, and procedures.
• Monitor network traffic, system logs, and security alerts to detect and respond to potential security incidents.
• Analyze and investigate anomalies and security breaches, taking appropriate actions to mitigate risks.
• Work closely with IT, software development, compliance, and other cross-functional teams to integrate security into all phases of the development lifecycle.
• Maintain thorough and accurate documentation of security processes, procedures, and configurations.
• Prepare detailed reports on security findings, incidents, and actions taken.

Skills

Incident response

Log analysis

Splunk logs

Threat detection

DevSecOps

Forensic analysis

NIST RMF

Network protocols

Education

Bachelor’s Degree

Master’s Degree

PhD

Tools

Fortify

Acunetix

Prisma Cloud

Job description

Base-2 Solutions, LLC in Reston, VA is seeking a Cybersecurity Engineer 3 to design, implement, and maintain robust security across networks, applications, and cloud environments for DoD-grade workloads.

The ideal candidate holds an active TS/SCI with CI Poly and 7+ years of hands-on experience implementing security controls per NIST SP 800-53, RMF, ICD 503, FedRAMP, and related standards. You will lead incident response, vulnerability assessments, and log monitoring with Splunk across teams.