Specialist, Information System Security III

WARRANT TECHNOLOGIES • Bloomington, IN

4d

About The Position

Warrant Technologies is seeking an Information System Security Engineer (ISSE) Level III—aligned with the DoD 8570/8140 IASAE Level III (Information Assurance System Architecture and Engineering) to provide expert-level security engineering, design, and architecture support for complex, critical Department of War networks and information systems. Serving as a Subject Matter Expert (SME), this role integrates security principles throughout the entire system lifecycle to protect highly sensitive systems against sophisticated threats.

Requirements

• Minimum of 10+ years of progressive experience in system engineering, information assurance, or cybersecurity
• Bachelor’s or master's degree in computer science, Information Security, System Engineering, or a related technical discipline. Four years of direct ISSE experience may be substituted for a degree
• Must meet IASAE Level III baseline qualifications requirements
• Security Clearance: Secret

Nice To Haves

• Security+, CASP+ or CISSP preferred

Responsibilities

• Systematically integrates security functional requirements into system acquisition, engineering, and development phases.
• Hardens application interfaces, data repositories, and cloud environments using systems engineering methodologies.
• Prepares, reviews, and maintains system security documentation under the Risk Management Framework (RMF), including SSPs, SAPs, SARs, and POA&Ms.
• Supports system certification activities to secure and maintain an Interim Authority to Test (IATT) and Authority to Operate (ATO).
• Acts as the primary technical security advisor/SME to Government stakeholders, program managers, and system engineering teams.
• Leads technical walkthroughs, security reviews, and participates in intelligence-community or industry-based technical working groups.
• Conducts threat modeling, vulnerability assessments, and analyzes security logs to proactively harden defenses against adversaries.
• Provides technical expertise to contain and mitigate real or potential system security incidents.
• Designs and architects robust end-to-end security solutions for networks, databases, and enterprise systems.
• Incorporates Zero Trust principles, boundary protection, firewalls, and cryptographic controls to safeguard critical warfighting infrastructure.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior