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Senior Principal Cyber Security Engineer

MANTECHChantilly, VA🇺🇸United StatesPosted Sep 12, 2026

Why This Role Stands Out

This leadership role offers a fantastic opportunity to shape cutting-edge cybersecurity strategies and mentor a team within a reputable organization, with the flexibility of a hybrid work model. If you are a seasoned cybersecurity professional with a passion for innovation and driving impactful solutions, you will thrive in this position. Apply today to make a significant contribution to enterprise security!

Quick Overview

Seniority
Leader
Employment type
Full Time
Work mode
Hybrid
Location
Chantilly, VA, United States
Posted
5 days ago

Job Description

Senior Principal Cyber Security Engineer | Chantilly, VA, United States | Hybrid

We're hiring for a highly regarded professional services firm with a significant presence in national security, known for its commitment to innovation and customer success. This organization is seeking a seasoned cybersecurity expert to lead critical initiatives.

The Role

  • Design, implement, and maintain secure and scalable systems and infrastructure aligned with strategic mission and business needs.
  • Develop and maintain comprehensive system architecture and design documentation, including network diagrams for cyber defense capabilities.
  • Collaborate with engineering and cybersecurity teams to ensure solutions meet robust security, performance, and scalability standards.
  • Manage and configure network devices and appliances from leading vendors.
  • Administer and troubleshoot various operating systems and vendor appliance-based systems to ensure high availability and performance.
  • Plan and execute system lifecycle tasks, including upgrades, patches, and migrations.

What You'll Need

  • Bachelor’s degree in computer science or engineering, or 4+ years of additional experience in lieu of degree.
  • 10+ years of experience in systems and/or cybersecurity engineering.
  • Proven experience meeting security requirements within complex environments.
  • Experience driving a security agenda across a large team and working with intricate systems and data flows.
  • Proficiency in vulnerability management, including scanning, assessment, remediation, and reporting.
  • Experience creating, maintaining, and communicating detailed IT and security documentation.

What's On Offer

  • Opportunity to serve as a senior technical leader and mentor.
  • Be at the forefront of evolving cybersecurity technologies.
  • Work within a complex and mission-critical environment.
  • Collaborative team setting focused on driving strategic improvements.

Apply via Haystack today!

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