Application Engineer - Information Security

Job Summary

We are seeking an experienced Application Engineer to support Active Network Defense (AND), Computer Network Defense (CND), and Information Security Continuous Monitoring (ISCM) initiatives. This role focuses on system administration, application support, and security monitoring across Linux and Windows environments. The ideal candidate is security-focused, technically skilled, and motivated to help protect enterprise systems against evolving threats.

Job Details

Job Title: Application Engineer

Job Category: Information Technology / Information Security

Employment Type: Full-Time, Regular Responsibilities

Perform system administration for Linux and Windows servers.

Configure, maintain, and automate server processes including hardening, patching, and vulnerability remediation.

Install, configure, and troubleshoot sensor and monitoring devices, including physical installation when required.

Apply fixes, patches, and upgrades in a timely manner and resolve server-related issues.

Administer user and customer accounts and support escalated technical tickets.

Deploy and maintain monitoring tools and applications.

Monitor server environments to ensure performance, availability, and security.

Support enterprise security tools used for network defense and continuous monitoring. Qualifications

Required

Active TS/SCI with Polygraph clearance.

Experience with Windows and Linux system administration.

Experience administering VMware-based architectures.

Knowledge of physical and virtual server environments.

Strong application administration and troubleshooting skills.

Security+ certification. Education & Experience (One of the Following)

High School Diploma/GED with 10 years of experience

Associates Degree with 8 years of experience

Bachelors Degree with 6 years of experience

Masters Degree with 4 years of experience

Doctorate with 2 years of experience Desired

Experience with hardware installation and cabling.

Familiarity with monitoring tools.

Network experience including architecture, switch administration, and troubleshooting.

Experience with cloud or virtualized environments such as AWS or VMs.

Working Place:

Fort Meade, Maryland, United States

Company :

2026 Feb 26th CyberSecurity - CACI International