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 OverviewSecurity Subject Matter Expert (SME) to support secure cloud systems in Federal and DoD environments. This role is responsible for designing, implementing, and maintaining security controls across cloud infrastructure, cybersecurity operations systems while supporting compliance with industry and government standards.
The ideal candidate has hands-on cloud security experience, a strong understanding of risk and compliance, and the ability to secure emerging technologies.
Responsibilities- Design, implement, and maintain security controls across system development and operations.
- Secure AWS-based cloud environments; provide working knowledge of Azure and/or Google Cloud.
- Perform system hardening, vulnerability scanning, monitoring, and incident response.
- Analyze logs, develop alerts, and support forensic investigations.
- Support security architecture design and integration for new and existing systems.
- Provide support and oversight for systems, including:
- Patching selection and updates
- Training data security and integrity
- Network monitoring, access controls, and monitoring
- Review and approval of AI-related changes and updates
- Support compliance activities aligned with CMMC Level 2, SOC 2, and ISO/IEC 27001.
- Contribute to security documentation, risk assessments, and audit readiness efforts.
- Bachelor’s degree (or equivalent experience) plus 3+ years of relevant security experience
- Hands-on experience securing on-premise/AWS environments
- Experience with cloud security and enterprise security tools
- Proficiency in Python for automation or security tooling
- CompTIA Security+
- GIAC
- GICSP
- CompTIA Network+
- ITIL
- Experience supporting Federal, DoD, or regulated environments
- Familiarity with AI/ML systems or emerging technology security
- Active Top Secret w/Poly clearance
Skills Required
- Bachelor's degree or equivalent experience
- 3+ years of relevant security experience
- Hands-on experience securing on-premises and AWS environments
- Experience with cloud security and enterprise security tools
- Proficiency in Python for automation or security tooling
- CompTIA Security+ certification
- GIAC certification
- GICSP certification
- CompTIA Network+ certification
- ITIL certification
- Experience supporting Federal, DoD, or regulated environments
- Familiarity with AI/ML systems or emerging technology security
- Active Top Secret clearance with polygraph
What We Do
By Light Professional IT Services LLC (By Light) provides a full range of hardware and software engineering services to defense, civilian, and commercial customers worldwide. Driven by a management team that leverages real-world expertise from the defense, intelligence, federal healthcare, and commercial sectors, we provide reliable, efficient, and cost-effective IT solutions. Some of our successes include: • Completion of 80+ Global Information Grid Bandwidth Expansion (GIG-BE) sites both CONUS & OCONUS. Provided Optical Network Engineering, Implementation, & Project Control Worldwide. • Provided timely completion of ATM to IP Migration, Legacy Network Optimization, & VOIP Implementation of 47 CONUS Sites for the United States Special Operations Command (USSOCOM) SCAMPI Network. • Supporting the AMC CIO/G6 in the Depot Modernization Program, implementing CONUS wide 802.11/a/b/g/n wireless networks, Area Processing Center Migration, DISN Optimization, and a 40,000 user, enterprise-wide SharePoint Implementation. • Completion of 2,000 Plus Legacy Circuit Migrations to DISN Transport for DISN Transition Program. • Delivered Communications Support & Staff Augmentation for Deployed DoD Forces under the Program Executive Office Enterprise Information Systems Technology Applications Office (PEO EIS TAO). • Successful Implementation of Secure Intelligent Video Systems (IVS) for the Intelligence Community. • Supporting major international carriers in the modernization and expansion of Data Center Facilities. • Engineering new Turnkey “Cloud Services,” including Hosting, Managed Services, COOP, and Data Storage and Archival.
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