Systems Engineer

LMI • Washington, DC

9d • $125,000 - $250,000 • Hybrid

About The Position

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.

Requirements

• Systems engineering lifecycle principles and systems thinking.
• Requirements analysis, decomposition, allocation, and traceability.
• System architecture, integration, interfaces, and dependency management.
• Verification, validation, test planning, and acceptance criteria.
• Network, compute, storage, virtualization, cloud, identity, cybersecurity, application, and data fundamentals.
• Reliability, availability, maintainability, scalability, resilience, and continuity of operations.
• Configuration management, change control, technical baselines, and decision analysis.
• Automation, scripting, configuration management, and infrastructure-as-code concepts.
• Structured troubleshooting, root-cause analysis, technical documentation, and stakeholder communication.
• 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.

Nice To Haves

• 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.
• 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. LMI will only consider applicants with current security clearances. Please note that only U.S. citizens are eligible for a security clearance.

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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior