Cybersecurity Engineer Sr Principal

General Dynamics Information Technology - McLean, VA

Hiring: Cybersecurity Engineer Sr Principal Company: General Dynamics Information Technology Location: McLean, VA Job Posted Time: 2026-09-17 09:17:00 Employment Type: On-site Target Skills & Keywords : AI, Linux, Red Hat, Risk Management, SIEM, Security Clearance, Splunk About the job Experience: •10 + years of related experience •Advance your career while impacting our national security in cyber as a Cybersecurity Engineer Sr Principal at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. •MEANINGFUL WORK AND PERSONAL IMPACT •Support and lead configuration, hardening, and updates of Linux operating systems, directly contributing to the secure operation of the enclave. •Partner cross-functionally with enclave engineers, system administrators, and vendors to administer and maintain core security applications (SIEM, vulnerability scanning, endpoint protection, insider threat tooling) that safeguard the environment. Required Skills: •Cyber and IT Risk Management •Active Directory (AD), Redhat Linux Server, Splunk Administration, Tenable Security Center •Applied hands-on capability in Red Hat operating system and other Linux distributions •Hands-on engineering experience administering and maintaining security operations using Splunk (SIEM), Tenable (vulnerability management), and Trellix (endpoint security) •Applied hands-on capability in Teramind for insider threat monitoring •Understanding of Microsoft Active Directory and implementing controls via Group Policy •Knowledge of the complete NIST SP 800 series (especially 800-37, 800-53, 800-30) and risk management principles Qualifications: •Must be DoD 8140 / 8570.01-M compliant •At GDIT, the mission is our purpose, and our people are at the center of everything we do. •Growth: AI-powered career tool that identifies career steps and learning opportunities •Support: An internal mobility team focused on helping you achieve your career goals •Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off •Flexibility: Full-flex work week to own your priorities at work and at home •Community: Award-winning culture of innovation and a military-friendly workplace •Explore a career in cyber at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters. •The likely salary range for this position is $170,000 - $230,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Compensation: •$170,000 - $230,000 / year •Flexible work environment (work from home / hybrid options) •Competitive benefits and rewards package •Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!