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IT Security Engineer

LeidosArlington, VA🇺🇸United StatesPosted Sep 30, 2026

Why This Role Stands Out

This remote IT Security Engineer role at Leidos offers a significant opportunity to shape secure systems for critical missions, fostering your growth in cybersecurity and industry best practices while supporting valuable certifications. You'll thrive here if you possess a strong understanding of security technologies and a collaborative spirit, ready to contribute to a mission-focused team with excellent compensation. Apply today to advance your career with a reputable organization!

Quick Overview

Salary
$107.9k - $195.1k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
Remote
Location
Arlington, VA, United States
Posted
Yesterday

Job Description

IT Security Engineer | Arlington, VA, United States | Remote | $107,900.00 - $195,050.00

We're hiring on behalf of a leading technology and defense solutions provider known for its innovative approach and commitment to national security. This is an opportunity to join a mission-focused team that values collaboration and professional development, working on cutting-edge projects that have a significant impact.

The Role

  • Design, develop, and implement secure systems in on-premises infrastructure.
  • Integrate security into the system design, development, testing, and deployment phases.
  • Ensure compliance with DoD Risk Management Framework (RMF) and relevant security guidance.
  • Collaborate with cross-functional teams including ISSOs, developers, and system engineers.
  • Support secure architecture and design in accordance with DoDI 8510.01 and NIST SP 800-53.
  • Lead RMF activities within the system development lifecycle (SDLC).

What You'll Need

  • BS degree and 8+ years of cybersecurity experience, or equivalent experience in lieu of a degree.
  • Active TS/SCI clearance with the ability to obtain a Polygraph.
  • At least one DoD 8570.01-M IASAE Level II certification (CISSP, CISSP-ISSAP, CISSP-ISSEP, CSSLP, or CASP+ CE).
  • Experience reviewing cybersecurity vulnerabilities and planning mitigations.
  • Demonstrated experience with vulnerability scanning solutions and RMF process support.
  • Strong understanding of operating systems (Windows and Linux/UNIX) and networking.

What's On Offer

  • Competitive salary and comprehensive benefits package.
  • Opportunities for professional development and achieving further DoD certifications.
  • Flexible work schedule with potential for remote task performance.
  • A chance to contribute to critical national security missions.

Apply via Haystack today!

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