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Information System Security Specialist

By Light Professional IT Services LLC
Tysons, VA Full Time
POSTED ON 12/29/2025
AVAILABLE BEFORE 2/28/2026
Information System Security Specialist
Job Locations US-Remote
ID 2025-10705 # of Openings 1 Category Network Clearance Tier 3 - Secret/ADP II
Company Overview

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Position Overview

By Light is hiring an Information System Security Specialist to join our Joint Regional Security Stacks (JRSS) program team in Fort Meade, MD. This is an exciting key position to a major Department of Defense initiative. The candidate will be responsible for ensuring compliance with security policies and establishing and maintaining the highest quality of Information Assurance (IA) while helping government clients meet their mission objectives.

Responsibilities
    Conducting vulnerability assessments of the assigned security infrastructure
  • Provide mitigation recommendations/ security architecture reviews to Government decision makers
  • Research/ Development/ Testing/ Implementation and Documentation changes to software
  • Work with networking to close out open vulnerabilities
  • Ensure all DISA STIGS are applied to networks, network devices and information systems where applicable
Required Experience/Qualifications
  • Active Secret Clearance; Top Secret preferred
  • Current 8570 IAT Level II or higher certified (any of the following certifications: CCNA Security, CySA , GICSP, GSEC, Security CE, SSCP).
  • Experience performing STIGs for either Windows or Linux based platforms.
  • Experience administrating Host Based Security Solutions (HBSS) a plus
  • Firm working knowledge of Security Architectures
Preferred Experience/Qualifications
  • DoD Experience a plus
  • Experience with Security Assessment and Authorization (A&A) process
Special Requirements/Security Clearance
  • Minimum DOD Secret clearance required; Top Secret preferred
Salary Range

Based on the roles, responsibilities, and requirements, the projected pay range for this position is: $90,000 - $120,000.

The annual base salary provided is a guideline for this position and is not a guarantee of compensation or salary. When extending an offer, By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level, and market conditions. In addition, By Light provides an extensive selection of benefits and offerings to our employees.


An Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

 

Salary.com Estimation for Information System Security Specialist in Tysons, VA
$86,572 to $104,686
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