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About the Role

LMI is seeking a skilled Systems Engineer to design, integrate, validate, and sustain enterprise IT capabilities across a network of new and existing secure facilities. The Systems Engineer will work across networking, infrastructure, cybersecurity, cloud, applications, data, and operations to ensure that individual components function together as a secure, resilient, and supportable system. This is an execution-oriented role supporting a fast-paced, milestone-driven prototype effort with near-term deliverable commitments. Success requires systems thinking, disciplined technical analysis, effective communication, and the ability to manage requirements, interfaces, dependencies, risk, and lifecycle considerations.

Responsibilities

Enumerate and document the technical baseline across geographically dispersed sites, including systems, services, interfaces, dependencies, security boundaries, and classified and unclassified network enclaves.
Translate mission and stakeholder needs into clear, measurable, testable, and traceable system requirements.
Develop current-state, transition-state, and target-state system designs that integrate network, infrastructure, cybersecurity, cloud, application, identity, and data capabilities.
Define system boundaries, interfaces, data flows, assumptions, constraints, and performance requirements across engineering disciplines.
Conduct technical analyses and trade studies addressing capability, interoperability, security, resilience, cost, schedule, risk, and lifecycle impacts.
Develop and execute integration, verification, validation, and acceptance plans demonstrating that delivered capabilities satisfy mission and operational requirements.
Establish and maintain system configurations, technical baselines, architecture products, interface documentation, and engineering decision records.
Coordinate with engineering leads, operators, security personnel, and government stakeholders to identify and resolve cross-domain technical issues.
Develop automated methods for system provisioning, integration, testing, configuration validation, monitoring, compliance assessment, and recovery to improve consistency and reduce manual effort.

Requirements

Bachelor's degree in Systems Engineering, Computer Science, Information Technology, Engineering, or a related field.
8+ years of experience designing, integrating, testing, or sustaining complex enterprise IT systems, including in classified environments.
Demonstrated experience managing system requirements, interfaces, dependencies, configurations, and technical documentation.
Experience integrating capabilities across network, infrastructure, cybersecurity, cloud, application, identity, or data domains.
Experience engineering capabilities for SCIF or other accredited classified environments, including multi-enclave systems and security boundaries.
Working knowledge of the Risk Management Framework (NIST SP 800-37 / 800-53) and experience advising senior leaders.
Active Top Secret Clearance (SCI eligibility) required.
TS/SCI clearance and SAP eligibility are required for this position.
Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.
Only U.S. citizens are eligible for a security clearance.
Relevant systems engineering, architecture, or cybersecurity certification.
Experience integrating cross-domain solutions (CDS) into enterprise architectures.
Experience supporting Special Access Program (SAP) facilities, systems, or environments.
Experience designing or standing up network or security operations centers (NOC/SOC), including 24x7 coverage models.

Skills

Systems engineering lifecycle principles
Systems thinking
Requirements analysis
Requirements decomposition
Requirements allocation
Requirements traceability
System architecture
System integration
System interfaces
System dependency management
Verification
Validation
Test planning
Acceptance criteria
Network fundamentals
Compute fundamentals
Storage fundamentals
Virtualization fundamentals
Cloud fundamentals
Identity fundamentals
Cybersecurity fundamentals
Application fundamentals
Data fundamentals
Reliability
Availability
Maintainability
Scalability
Resilience
Continuity of operations
Configuration management
Change control
Technical baselines
Decision analysis
Automation
Scripting
Infrastructure-as-code concepts
Structured troubleshooting
Root-cause analysis
Technical documentation
Stakeholder communication

Location

Washington, DC metro area

Work Type

Onsite
Travel

Experience Level

8+ years of experience

Education Level

Bachelor's degree

Salary/Compensations

$125,000 - $250,000

About the Company

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, homeland, healthcare, and intelligence 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.