Secure Govt Networks Architect (TS/SCI)

LMI; Washington (District of Columbia); On-site; USD 100,000 - 200,000; Full time

Job summary

LMI in the Washington, DC area is seeking an Enterprise IT Architect to lead design and integration of enterprise IT and communications infrastructure across secure facilities. You will define target-state architecture, ensure site interoperability, and work with government stakeholders on scalable solutions.

The role involves 25–50% travel, experience with SCIF environments, and delivering milestone-driven prototype work while aligning with federal security requirements.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 8+ years of experience in enterprise IT architecture.
• Experience architecting IT infrastructure for SCIF or other classified environments.
• Working knowledge of the Risk Management Framework (NIST SP 800-37 / 800-53).
• Experience leading large, geographically dispersed teams.
• Ability translate mission requirements into scalable technical solutions for government sponsors.

Responsibilities

• Lead enumeration and documentation of the technical baseline across multiple geographically dispersed sites, including classified and unclassified network enclaves, transport, security boundaries, and cross-domain transfer capabilities.
• Design and develop target-state network and systems architectures for new secure facilities and an existing operational site, ensuring interoperability and compliance with federal security requirements.
• Develop security authorization roadmaps in accordance with the Risk Management Framework in partnership with ISSO and security engineering leads.
• Define architecture for enterprise services, including end-user computing, classified and unclassified VTC/AV integration, and 24x7 network and security operations center (NOC/SOC) monitoring.
• Produce design documentation, technical sections of milestone deliverables, and cost and feasibility inputs supporting a priced follow-on proposal.
• Clearly articulate design decisions, alternatives considered, and associated tradeoffs to government sponsors and non-technical stakeholders, and support sponsor decision briefings and technical reviews.

Skills

Enterprise IT architecture

Networking & security

Leadership of large teams

SCIF/classified environments

RMF / NIST SP 800-37 / 800-53

Cross-site interoperability

Education

Bachelor's degree

Job description

LMI in the Washington, DC area is seeking an Enterprise IT Architect to lead design and integration of enterprise IT and communications infrastructure across secure facilities. You will define target-state architecture, ensure site interoperability, and work with government stakeholders on scalable solutions.

The role involves 25–50% travel, experience with SCIF environments, and delivering milestone-driven prototype work while aligning with federal security requirements.