Senior Systems Engineer – Secure Enterprise IT (TS/SCI)

LMI Government Consulting; Washington (District of Columbia); On-site; USD 125,000 - 250,000; Full time

Job summary

LMI is seeking a seasoned Systems Engineer for a Washington, DC area role to design, integrate, validate, and sustain enterprise IT capabilities across secure facilities. You will manage requirements, interfaces, and lifecycle considerations while coordinating with government stakeholders to ensure mission success.

The role demands a TS clearance, experience with SCIF environments, and a track record in integration across network, cloud, cybersecurity, and data domains.

Qualifications

• Bachelor's degree in a engineering/IT field required.
• 8+ years designing, integrating, testing, or sustaining complex enterprise IT systems.
• Experience managing system requirements, interfaces, configurations, and documentation.
• Experience integrating capabilities across network, infrastructure, cybersecurity, cloud, application, identity, or data domains.
• Experience engineering capabilities for SCIF or other accredited classified environments.
• Knowledge of RMF (NIST SP 800-37/800-53) and advising senior leaders.
• Active Top Secret Clearance (SCI eligibility) required.

Responsibilities

• Enumerate and document the technical baseline across geographically dispersed sites, including systems, services, interfaces, dependencies, security boundaries, and enclaves.
• Translate mission and stakeholder needs into clear, measurable system requirements.
• Develop current/transition/target-state designs integrating network, infrastructure, cybersecurity, cloud, application, identity, and data capabilities.
• Define system boundaries, interfaces, data flows, constraints, and performance requirements across disciplines.
• Conduct analyses and trade studies on capability, interoperability, security, resilience, cost, and lifecycle impacts.

Skills

8+ years experience

Requirements management

Cross-domain integration

Systems thinking

RMF / NIST knowledge

Top Secret Clearance

Education

Bachelor's degree in Systems Engineering, Computer Science, IT, Engineering

Job description

LMI is seeking a seasoned Systems Engineer for a Washington, DC area role to design, integrate, validate, and sustain enterprise IT capabilities across secure facilities. You will manage requirements, interfaces, and lifecycle considerations while coordinating with government stakeholders to ensure mission success.

The role demands a TS clearance, experience with SCIF environments, and a track record in integration across network, cloud, cybersecurity, and data domains.