Specialist, Information System Security III
Job in
Bloomington, Monroe County, Indiana, 47401, USA
Listed on 2026-09-21
Listing for:
Socket.dev
Full Time
position Listed on 2026-09-21
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer, Network Security, Information Security & Data Protection
Job Description & How to Apply Below
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.
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 war fighting infrastructure.
- 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+, CASP+ or CISSP preferred
- Security Clearance:
Secret
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