Enterprise IT Architect w​/Top Secret

Enterprise It Architect

Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively.

With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and intel sectors-helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

Responsibilities LMI is seeking a skilled Enterprise IT Architect to support the design and integration of enterprise IT and communications infrastructure across a network of new and existing secure facilities. The Enterprise IT Architect will define the target-state architecture, ensure interoperability across sites, and work with engineering leads and government stakeholders to translate mission requirements into scalable technical solutions. This is an execution-oriented role supporting a fast-paced, milestone-driven prototype effort with near-term deliverable commitments.

Primary duties include:

• 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 (NIST SP 800-37 / 800-53) 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 - cost, schedule, security, and operational impact - to government sponsors and non-technical stakeholders, and support sponsor decision briefings and technical reviews.

Location:

This position is based in the Washington, DC metro area, with travel to program locations. Travel:
This position requires approximately 25-50% travel to support activities across multiple program locations. Availability:
Immediate availability strongly preferred; unclassified planning work may begin while program access nominations are processed.

Qualifications

Required:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 8+ years of experience in enterprise IT architecture, including in classified environments.
• Strong understanding of network, systems, and security architecture principles.
• Demonstrated experience leading large, geographically dispersed teams.
• Experience architecting IT infrastructure for SCIF or other accredited classified environments, including multi-enclave network design.
• Working knowledge of the Risk Management Framework (NIST SP 800-37 / 800-53) and the security authorization process.
• Experience architecting solutions for SCIF or other classified facility environments.

Nice to Have:

• Relevant certifications (e.g., TOGAF, CISSP, AWS/Azure architecture certifications).
• Experience integrating cross-domain solutions (CDS) into enterprise architectures.
• Experience supporting Special Access Program (SAP) facilities, systems, or environments.
• Experience designing classified and unclassified video teleconferencing (VTC) and conference room AV capabilities.
• Experience designing or standing up network or security operations centers (NOC/SOC), including 24x7 coverage models.

TS/SCI clearance is required…