Senior Information Systems Security Manager (ISSM)

Emploive; Huntsville (AL); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Radiance Technologies, an employee-owned defense contractor in Huntsville, AL, seeks an Information Systems Security Manager (ISSM) to oversee RMF packages, system security controls, and continuous monitoring across multiple programs. The role requires expertise with NIST SP 800-53, DAAG, JSIG, and security authorization documentation.

You will lead incident response, vulnerability assessments, and maintain authorization platforms such as eMASS and Xacta; active TS/SCI clearance is required.

Qualifications

• Experience implementing security controls for operating systems (AD, GPOs, SROs).
• Experience or strong knowledge standing up and maintaining SIPRNet/JWICS networks.
• Familiarity with security compliance tools (Splunk, ELK, Nessus, etc.).

Responsibilities

• Understand NIST 800-53 controls and ensure security measures comply with policies.
• Oversee configuration management to assess modifications impact.
• Conduct vulnerability assessments and continuous monitoring.
• Perform incident response and business continuity activities.
• Manage authorization packages via eMASS/Xacta and maintain security docs.

Skills

Active Directory

SIPRNet/JWICS

Security tools

Network environment

DoD 8570.1M certs

Tools

Splunk

ELK

Wireshark

Snort

ACAS/Nessus

Job description

Radiance Technologies, an employee-owned defense contractor in Huntsville, AL, seeks an Information Systems Security Manager (ISSM) to oversee RMF packages, system security controls, and continuous monitoring across multiple programs. The role requires expertise with NIST SP 800-53, DAAG, JSIG, and security authorization documentation.

You will lead incident response, vulnerability assessments, and maintain authorization platforms such as eMASS and Xacta; active TS/SCI clearance is required.