Information Systems Security Engineer – ISSE

🕒 August 24

🌽 Illinois – Remote

🌽 Illinois – Remote

💵 $75.2k - $158.1k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

🎖️ Defense

🏛️ Government

🔒 Cybersecurity

🔥 Funding within the last year

💰 $500M Post-IPO Debt on 2026-02

Defense • Government • Cybersecurity

CACI International Inc is a U. S. -based government contractor that provides technologies and professional services to national security, defense, and federal civilian customers. CACI delivers solutions across cyber and digital operations, enterprise IT modernization, electronic warfare, counter-unmanned systems (C-UxS), space and optical communications, agile DevSecOps software development, and mission engineering and logistics support. The company positions itself as a large prime contractor that uses advanced software, analytics, sensing, and hardware to detect and counter evolving threats and modernize government technology architectures.

📋 Description

• Implement and document STIG configurations across assigned systems and platforms • Conduct Security Impact Analyses (SIAs) for proposed changes • Run automated configuration validation using SCAP Compliance Checker • Manage vulnerability tracking and remediation workflows within Tenable SC • Evaluate cloud infrastructure security posture using Tenable Cloud Security • Support CyberArk PAM setup and privileged access management • Create and maintain secure configuration baselines • Write detailed technical security control implementation guides • Partner with the Cybersecurity Architect on technical security implementations

🎯 Requirements

• Active Secret or TS clearance • 3–5 years of security engineering or system-hardening experience • Hands-on experience with STIGviewer and SCAP Compliance Checker • Working experience with Tenable SC or similar vulnerability management platforms • Strong knowledge of secure configuration management principles • DoD 8140.03M DCWF Basic Tier: CEH • DoD 8140 Interim Education Options • Required to travel to Scott Airforce base on a quarterly basis • Experience administering CyberArk PAM (desired) • Familiarity with Tenable Cloud Security or comparable cloud assessment tooling (desired) • Exposure to DoD cloud environments (IL2–IL6) (desired) • DoD 8140.03M DCWF Intermediate Tier certification—one of: CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP-A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+ (desired) • Bachelor's degree in Cybersecurity, Computer Science, Data Science, Information Systems, Information Technology, or Software Engineering (desired)

🏖️ Benefits

• Flexible time off benefit • Robust learning resources • Learning and development opportunities • Healthcare benefits • Wellness benefits • Financial benefits • Retirement benefits • Family support benefits • Continuing education benefits • Time off benefits