ISSE: RMF Security Engineer for DoD & Cloud

Dobbs Defense Solutions; Landover (MD); On-site; USD 120,000 - 170,000; Full time

Job summary

Dobbs Defense Solutions is seeking an experienced Information Systems Security Engineer (ISSE) to support a federal customer in Washington, DC. The ISSE will design, implement, and maintain secure enterprise information systems while ensuring DoD/cyber requirements are met.

Collaboration with ISSOs, admins, and application teams is essential. The role emphasizes RMF, STIGs, vulnerability management, and automation using PowerShell, Python, Bash, and Ansible across Windows, Linux, and cloud

Qualifications

• Active Top Secret clearance with SCI eligibility and IAT Level III certification.
• Extensive experience with RMF, FedRAMP, DoD STIGs, ATO packaging, and cybersecurity compliance.
• Hands-on administration of Nessus, CyberArk, Splunk, VMware, Linux OS, and cloud security.
• Automation development using PowerShell, Python, Bash, and Ansible to improve security operations.
• Experience leading technical projects and briefing senior leadership.

Responsibilities

• Design, implement, and maintain secure enterprise security architectures aligned with RMF and DoD standards.
• Perform security engineering across SDLC, including requirements analysis, reviews, testing, and accreditation support.
• Manage vulnerability assessment and remediation using Nessus, ACAS, Qualys, and Splunk; support incident response.
• Develop automation to improve compliance reporting, remediation, monitoring, and auditing.
• Engineer and maintain secure Windows/Linux environments, cloud infrastructure, virtualization, containers, and CyberArk.
• Produce security documentation, risk assessments, architecture diagrams, SOPs, and executive briefings; mentor juniors.

Skills

PowerShell

Python

Bash

Ansible

Mentoring

Technical briefings

Education

Bachelor's degree

Master's degree

Tools

Nessus

ACAS

Qualys

Trellix ePO

Splunk Enterprise

VMware vSphere

GitLab

Windows Server

Red Hat Enterprise Linux

Ubuntu Linux

CyberArk

Job description

Dobbs Defense Solutions is seeking an experienced Information Systems Security Engineer (ISSE) to support a federal customer in Washington, DC. The ISSE will design, implement, and maintain secure enterprise information systems while ensuring DoD/cyber requirements are met.

Collaboration with ISSOs, admins, and application teams is essential. The role emphasizes RMF, STIGs, vulnerability management, and automation using PowerShell, Python, Bash, and Ansible across Windows, Linux, and cloud