Information Systems Security Engineer — RMF/DoD Expert

dobbsdefensesolutions; Maryland; On-site; USD 91,000 - 140,000; 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 compliance with DoD and federal cybersecurity requirements.

This role partners with system administrators, ISSOs, and application teams to strengthen cybersecurity posture, support continuous monitoring, and protect mission-critical systems in an onsite

Qualifications

• Bachelor's degree with 5+ years of relevant experience; Master's with 3+ years; or 9+ years of equivalent experience.
• Active Top Secret clearance with SCI eligibility and current DoD 8570.1-M IAT Level III certification (SecurityX/CASP+, CISSP, CISA, GCIH, or equivalent).
• Demonstrated experience with NIST RMF, FedRAMP, DoD STIGs, ATO package development, cybersecurity compliance, networking, cloud security (AWS/Azure), Kubernetes, and DevSecOps.
• Hands-on experience administering Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Windows Server, Red Hat Enterprise Linux, and Ubuntu Linux.
• Experience leading technical projects, mentoring cybersecurity professionals, developing automation (PowerShell, Python, Bash, Ansible).

Responsibilities

• Design, implement, and maintain enterprise security architectures per RMF, DoD STIGs, CIS benchmarks and policies.
• Perform SDLC security engineering including requirements analysis, design reviews, testing, accreditation support, risk assessments.
• Manage vulnerability assessment/remediation using Nessus, ACAS, Qualys, Trellix ePO, Splunk; support incident response and monitoring.
• Develop automation to improve compliance reporting, remediation, monitoring, and auditing.
• Engineer and maintain secure Windows and Linux environments, cloud infra, virtualization, containers, and Privileged Access Management.
• Produce security docs, risk assessments, diagrams, SOPs, and briefings; mentor junior engineers.

Skills

NIST RMF

FedRAMP

DoD STIGs

CIS Benchmarks

ATO package development

cybersecurity compliance

networking

cloud security (AWS/Azure)

Kubernetes

DevSecOps

Tenable Nessus

CyberArk

Trellix

Splunk Enterprise

VMware vSphere

GitLab

Windows Server

Red Hat Enterprise Linux

Ubuntu Linux

PowerShell

Python

Bash

Ansible

Education

Bachelor's degree + 5 years relevant experience

Master's degree + 3 years relevant experience

Equivalent experience (9+ years) in lieu of degree

Tools

Nessus

ACAS

Qualys

Trellix ePO

Splunk Enterprise

VMware vSphere

GitLab

Windows Server

Red Hat Enterprise Linux

Ubuntu Linux

Kubernetes

AWS/Azure

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 compliance with DoD and federal cybersecurity requirements.

This role partners with system administrators, ISSOs, and application teams to strengthen cybersecurity posture, support continuous monitoring, and protect mission-critical systems in an onsite