Senior Cybersecurity Analyst (RMF/ISSO Lead)

COLSA•Huntsville, AL

2d•Onsite

About The Position

COLSA Corporation is hiring a Senior Cybersecurity Analyst to support a U.S. Army contract at Redstone Arsenal in Huntsville, Alabama. The position is on-site and serves as an Information Systems Security Officer (ISSO), overseeing Risk Management Framework (RMF) activities and supporting the Authorization to Operate (ATO) process for multiple information systems, including enclaves and major applications across classified and unclassified networks. The role provides technical guidance and supervision to an existing team of cybersecurity analysts and coordinates with system and network administrators and government engineering teams. It supports continuous monitoring, vulnerability management, and security compliance activities.

Responsibilities

Manage RMF Assessment and Authorization activities, including developing, maintaining, and submitting authorization packages in accordance with DoD and Army cybersecurity requirements.
Maintain and update system security documentation and authorization artifacts in eMASS, including System Security Plans, security architectures, hardware and software inventories, Plans of Action and Milestones, and risk acceptance memoranda.
Implement, assess, and monitor security controls to maintain compliance with applicable cybersecurity requirements and support ongoing authorization activities.
Develop and maintain security-focused configuration management plans and support Information System Owners in fulfilling Information Security Continuous Monitoring responsibilities.
Conduct security assessments, vulnerability audits, configuration reviews, and security impact analyses to identify and mitigate cybersecurity risks.
Monitor compliance with DISA Security Technical Implementation Guides and Security Requirements Guides using tools such as STIG Viewer and Evaluate-STIG.
Analyze security findings and monitoring data using cybersecurity tools such as Tenable Nessus/ACAS, Trellix Government Cyber Suite (HBSS), Splunk, and Elasticsearch.
Collaborate with system and network administrators and government engineering teams to troubleshoot security issues, remediate vulnerabilities, and resolve cybersecurity incidents.
Identify deviations from approved system configurations, security baselines, and applicable policies, and recommend corrective actions.
Support the implementation and troubleshooting of security software and recommend ways to strengthen system and network security.
Prepare technical documentation, reports, and recommendations to support RMF authorization decisions and ongoing security compliance.
Develop cybersecurity training materials and provide technical guidance and mentoring to team members.
Supervise assigned COLSA cybersecurity analysts, including managing work assignments, schedules, timekeeping, performance evaluations, and professional development.
Prepare and provide weekly and monthly team status reports.
Perform other duties as assigned.