Cybersecurity Lead
Company: By Light Professional IT Services
Location: Fort Belvoir
Posted on: January 27, 2026
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Job Description:
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 The
program delivers end-to-end EFIS&T services—including survey
and design through installation, security, and testing. This work
spans NIPR and SIPR networks, Wi-Fi, VoIP, ISP/OSP infrastructure,
and voice modernization across all CONUS Army installations. We’re
looking for a Cybersecurity Lead to guide cybersecurity compliance
and risk management efforts for Army network modernization
initiatives. You’ll ensure systems are designed, configured, and
documented to meet DoD and Army cybersecurity requirements, and
you’ll lead teams through RMF and A&A activities. You’ll work
closely with engineers, program leadership, and government
stakeholders to support inspections, resolve cybersecurity issues,
and deliver operationally ready systems. Responsibilities Support
preparation for and execution of Command Cyber Readiness
Inspections (CCRIs) Provide cybersecurity input and artifacts for
Engineering Installation Plans (EIPs) Ensure systems and networks
are designed and configured to meet RMF requirements Support Assess
and Authorize (A&A) activities in compliance with DoD RMF
Develop and deliver required RMF artifacts, including: Network
device configurations STIG checklists Network diagrams and
topologies System and security documentation POA&Ms Support
program milestone decisions through cybersecurity risk analysis and
issue resolution recommendations Prepare, review, and deliver
required reports, plans, and briefings Provide cybersecurity
support for program reviews, conferences, and stakeholder meetings
Required Experience/Qualifications 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 DoD 8570 IAT Level III certification 10 years of
cybersecurity or information assurance experience, including 2
years leading cyber or IA teams Experience leading teams of up to
10 personnel Strong working knowledge of RMF and DoD/Army
cybersecurity policies and guidance Preferred
Experience/Qualifications Prior experience supporting the U.S. Army
or other federal agencies Strong communication skills with the
ability to engage senior military leadership, program managers, and
technical teams Special Requirements/Security Clearance Active
TS/SCI at the time of application Travel up to 25%, as required
Physical Demands Ability to lift up to 30 lbs By Light recognizes
that our strength is our people. We support every employee as an
individual to build strong teams across the enterprise. Our benefit
package includes: Medical, Dental & Vision Coverage Wellness
Program 401(k) Matching Disability (Short Term & Long Term)
Employee Assistance Program Life Insurance Education & Training
Generous Leave Policy (11 Federal Holidays, PTO, and Military
Leave)
Keywords: By Light Professional IT Services, Annandale , Cybersecurity Lead, IT / Software / Systems , Fort Belvoir, Virginia
