Senior InfoSec Manager III — RMF & Incident Response

Solutions³ LLC; Arlington (TX); On-site; USD 140,000 - 180,000; Full time

Job summary

Solutions3 LLC seeks an experienced Information Security Manager III to lead RMF lifecycle activities, investigate breaches, and coordinate remediation for a U.S. Government mission. The role requires active TS/SCI clearance, US citizenship, and shifts including nights/weekends.

You will collaborate with ISSM and CISO, oversee security controls, and contribute to lab security programs. The position demands 5+ years of information security experience, strong leadership, and the ability to

Qualifications

• Must have 5+ years directly relevant information security experience.
• Experience with RMF and ATO processes, including SSP, POA&M management, and security documentation.
• Knowledge of RMF/ATO compliance and security control assessment.
• Experience with multiple complex assignments requiring originality and innovation.

Responsibilities

• Manage the full RMF lifecycle for IT systems as part of a team of IA professionals.
• Assist leadership on major tasks or technology assignments.
• Establish goals and plans to meet project objectives.
• Lead security management, methods, and staffing to meet requirements.
• Interface with senior management and participate in client negotiations.
• Support lab security infrastructure planning and implementation.

Skills

NIST RMF

Incident response

Security governance

Risk assessment

Team leadership

CND policies

Education

Bachelor's degree in information security

7+ years information security experience

Tools

Nessus

Splunk

Tenable

Nmap

Wiz

Burp

CrowdStrike

CarbonBlack

Job description

Solutions3 LLC seeks an experienced Information Security Manager III to lead RMF lifecycle activities, investigate breaches, and coordinate remediation for a U.S. Government mission. The role requires active TS/SCI clearance, US citizenship, and shifts including nights/weekends.

You will collaborate with ISSM and CISO, oversee security controls, and contribute to lab security programs. The position demands 5+ years of information security experience, strong leadership, and the ability to