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., ACAS, ESS, SIEM platforms, Evaluate-STIG, and STIG Viewer).
• Familiarity with network protocols, firewalls, intrusion detection/prevention systems, and endpoint security.
• Experience with Network Access and Authentication to include RADIUS (NPS, ISE, ClearPass), 802.1X Wired/Wireless Authentication, and Device Posture Validation.
• Red Hat Enterprise Linux and Windows Server administration.
• Scripting language such as PowerShell or Python.
• Active Directory and Group Policy administration.
• Certifications CISSP / CASP / CISM / CCSP, Security , Azure Security or Administrator Certifications, Network Security Certifications.
  
  

Desired Skills

• Experience working in a Microsoft Azure cloud environment.
  
  

Target salary range $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.