Junior ISSE: Information Security Engineer — Cyber Defense

Peraton; United States; On-site; USD 112,000 - 179,000; Full time

Job summary

Peraton is seeking an Information Systems Security Engineer (ISSE) to support our customer onsite in Washington D.C. Responsibilities include: designing and maintaining security architecture, performing SDLC security activities, managing vulnerabilities with Nessus/ACAS/Qualys, and integrating security across Windows, Linux, cloud, and containerized environments.

The role also covers incident response, automation scripting (PowerShell, Bash, Python), collaboration with admins and ISSOs, and

Qualifications

• Active Top Secret with SCI Eligibility is required.

Responsibilities

• Design, implement, and maintain enterprise security architecture aligned with NIST RMF, DoD STIGs, CIS benchmarks, and organizational policies.

Skills

Security engineering

Vulnerability management

Scripting

Cloud security

DevSecOps

Incident response

Collaboration with IT teams

Education

BS/BA

Tools

Tenable Nessus

ACAS

Qualys

Splunk Enterprise

PowerShell

Python

Bash

Ansible

Trellix ePO

CyberArk

VMware vSphere

GitLab

Windows Server

Red Hat Enterprise Linux

Ubuntu Linux

Job description

Peraton is seeking an Information Systems Security Engineer (ISSE) to support our customer onsite in Washington D.C. Responsibilities include: designing and maintaining security architecture, performing SDLC security activities, managing vulnerabilities with Nessus/ACAS/Qualys, and integrating security across Windows, Linux, cloud, and containerized environments.

The role also covers incident response, automation scripting (PowerShell, Bash, Python), collaboration with admins and ISSOs, and