Information System Security Engineer

Job ID: 2614441

Location

Arlington, VA, US

Date Posted

2026-07-09

Category

Cyber

Subcategory

Cyber Engineer

Schedule

Full-Time

Shift

Day Job

Travel

No

Minimum Clearance Required

TS.SCI

Clearance Level Must Be Able to Obtain

None

Potential for Remote Work

ORA_ON_SITE

Description

SAIC is seeking an Information System Security Engineer (ISSE) to join our team. This position is in Arlington, VA and requires an active Top Secret/SCI clearance.

Job responsibilities include, but are not limited to

• Implement and maintain cybersecurity controls in accordance with DoD policies, including NIST SP 800-53, RMF, and applicable STIGs.
• Monitor network and system security, analyze security events, and respond to incidents in a timely manner.
• Conduct vulnerability assessments and remediation activities using approved DoD tools and processes.
• Collaborate with IT, engineering, and program teams to ensure security requirements are integrated into system designs and operations.
• Assist in the preparation, review, and maintenance of security documentation, including System Security Plans (SSPs), Plan of Action & Milestones (POA&Ms), and risk assessments.
• Support the Risk Management Framework (RMF) process for system accreditation and continuous monitoring, including activities related to obtaining and maintaining Authority to Operate (ATO).
• Participate in security audits, inspections, and assessments, and assist with remediation of findings.
• Stay current on emerging cyber threats, vulnerabilities, and DoD cybersecurity directives.

Qualifications

Education Requirements

* Bachelor’s degree and five (5) years experience; Four (4) years' experience can be considered in lieu of degree.

Clearance Requirements

* Must possess and maintain an active TS/SCI clearance; US Citizenship required.

Required Skills

* Experience with DoD cybersecurity tools (e.g., ACA...