Information Systems Security Engineer (ISSE)

Leidos
📍 Remote, REMOTE, United States 💼 Full-time 🕒 Posted February 26, 2026

Job Description

**Description**

**Join the Digital Modernization Sector!** We're on the lookout for a dynamic and experienced **Information Systems Security Engineer (ISSE)** with **12+ years of expertise** to help drive IT mission-critical cybersecurity initiatives. In this high-impact role, you'll support **Accreditation & Authorization (A&A)** efforts across multiple tiers of the customer organization, playing a key role in strengthening security at the Group level and beyond. If you're ready to lead, collaborate, and make a difference — this is your moment!

**Candidate MUST:**

Be currently located in the United States.

Have the ability to obtain a level 4 Public Trust Clearance.

This role is primarily remote, with rare onsite requirements. Candidates must be local to the DC Metro area and available to attend in-person meetings in Washington, DC as needed.

**Responsibilities:**

Other skills and responsibilities include, but are n...

Ready to Apply?

Submit your application today and join our talented team at Leidos.

Submit Application

Job Details

  • Location Remote, REMOTE
  • Job Type Full-time
  • Category other-general
  • Posted Date February 26, 2026
  • Application Deadline March 05, 2026