By Light Professional IT Services · 1 day ago
Computer Security Systems Specialist
Fort Belvoir, VA, US
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expBy Light Professional IT Services LLC is a company that supports defense, civilian, and commercial IT customers worldwide. They are seeking a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks, ensuring compliance with DoD, Army, and DISA security requirements.
GovernmentInformation ServicesInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design and plan security measures to protect systems and networks in accordance with DISA STIGs/SRGs, IAVAs, and DoDI 8100.04
Research, maintain, and manage cybersecurity artifacts, including:
STIG checklists
Approved operating system versions
POA&Ms
Hardware and software inventories
Test, training, implementation, and transition/migration plans
Installation team checklists
Align security controls with NIST 800-53 and CIS Benchmarks
Provide required cybersecurity artifacts to the GENM-A ISSM for review and approval
Develop and deliver system and network diagrams (topology, physical, logical, data flow) in support of CDRL requirements
Support vulnerability assessments, penetration testing, and implementation of IDS/IPS solutions
Configure and validate security controls, including firewall rules and access control lists
Qualification
Required
Bachelor's degree in Cybersecurity, Information Assurance, or a related IT field
Four (4) additional years of relevant experience may be substituted in lieu of a degree
10+ years of cybersecurity or information assurance experience, including 2+ years leading cyber or IA personnel or teams
Meets DoD 8570 IAT Level III certification requirements
Active TS/SCI at the time of application
Travel up to 25%, as required
Ability to lift up to 30 lbs
Preferred
Certifications and/or experience in Zero Trust architectures
Company
By Light Professional IT Services
BY LIGHT Professional IT Services is a provider of IT, cloud, cyber and infrastructure solutions to the US Federal Government.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2017-05-31Acquired
Leadership Team
Bob Donahue
CEO By Light
Mike Bowser
Chief Operating Officer
Recent News
2026-01-07
2025-12-01
2025-10-09
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