ISSO with Security Clearance

Beacon HillBurlington, MA🇺🇸United StatesPosted Sep 25, 2026

Why This Role Stands Out

Leverage your top-tier security expertise to safeguard critical government and defense programs, where your skills in risk assessment and vulnerability management will be highly valued in a dynamic hybrid environment. This mid-senior ISSO role offers significant growth opportunities within a reputable company, making it an ideal fit for experienced security professionals ready to make a substantial impact. Apply today to join a team dedicated to national security and advance your career in a challenging yet rewarding capacity.

Quick Overview

Seniority

Mid Senior

Employment type

Employee

Work mode

Hybrid

Location

Burlington, MA, United States

Posted

5 days ago

Job Description

ISSO
As an Information System Security Officer (ISSO) you will support government and defense programs.
A Top Secret/ SCI (TS/SCI) clearance is required and willingness to obtain a CI Poly
(Due to the nature of the work an ACTIVE TS/SCI clearance is required) Responsibilities

The ISSO will perform security assessments, monitoring, tests, and reviews. • The ISSO will ensure proper measures are taken when there is an incident or vulnerability affecting classified systems or information is discovered.
Minimum 4+ yrs of experience
Security+ certification or higher
Top Secret Clearance/SCI, willing to pass CI poly
The ISSO will conduct network, system, and application vulnerability scanning, configuration assessment, and remediation.
Lead and align IT security priorities with the security strategy.
Compliance assessment and review impact on levels of risk, effectiveness of cyber security program
NIST, RMF, STIG/SCAP
The ISSO will conduct network, system, and application vulnerability scanning, configuration assessment, and remediation.
Ensure that (POA&Ms) plans of actions and milestones or remediation plans are in place • Development and maintenance of System Security Plans (SSP) and Plan of Action & Milestones (POA&M)
The ISSO will perform risk assessments, creates reports and manage continuous monitoring strategy.