Cyber Architect - Clearance Required

US-Remote

LMI is seeking a highly qualified Cyber Architect to support an Army program focused on modernizing an Army platform infrastructure through secure, scalable, and cloud-enabled systems. The Cyber Architect will serve as a principal cybersecurity advisor to the Information System Security Manager (ISSM), System Owners, and technical engineering teams.

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 energy 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.

• Serve as the primary custodian of the system security authorization package within the Enterprise Mission Assurance Support Service (eMASS).
• Prepare, author, and maintain RMF artifacts, including the System Security Plan (SSP), Security Assessment Report (SAR), Continuous Monitoring Strategy, and supporting security control evidence.
• Lead the curation and validation of evidence supporting NIST SP 800-53 Rev. 4 to Rev. 5 transition activities and control implementation.
• Author, monitor, track, and update Plans of Action and Milestones (POA&Ms) in eMASS and internal ticketing workflows.
• Partner with System Owners, Cloud Architects, System Engineers, and System Administrators to define remediation timelines, risk mitigation statements, and resource requirements.
• Review non-compliance closures and remediation evidence before formal submission for ISSM and Authorizing Official (AO) approval.
• Conduct technical and operational impact assessments for directed cyber tasks affecting the cARMY AWS system architecture, workloads, and cloud boundaries.
• Conduct and review DISA Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs) using STIG Viewer and automated compliance tooling.
• Support Git Lab CI/CD delivery by integrating vulnerability analysis, secure configuration validation, and other Dev Sec Ops  security activities into Agile workflows.
• Oversee continuous monitoring activities using applicable tools; manage vulnerability scanning through ACAS and related tooling.
• Maintain cybersecurity dashboards, track POA&M aging and vulnerability trends, and monitor operational security tickets, incident responses, and change approvals.

Required Qualifications:

• Active Secret security clearance.
• Bachelor's degree in Computer Science, Information Systems, Cybersecurity or related field.
• 10+ years of experience in cybersecurity engineering, information assurance, RMF, or secure systems operations.
• Active DoDI 8140 qualification.
• Strong understanding of DoD cloud security (AWS Gov Cloud, Azure IL5/IL6), Zero Trust, and hybrid architectures.
• Familiarity with Agile development, Dev Sec Ops  principles, and secure system lifecycle planning.
• Excellent communication skills and the ability to present complex architectural concepts to both technical and non-technical audiences.
• Demonstrated experience developing or maintaining RMF authorization artifacts and managing POA&M in eMASS or a comparable authorization workflow.
• Practical experience applying NIST SP 800-53 controls, DoD STIGs, and security assessment requirements to system development or sustainment.
• Experience with cloud security operations, vulnerability management, or security monitoring in AWS or another cloud environment.
• Experience collaborating with technical and program stakeholders to resolve security findings and meet suspense deadlines.

Preferred Qualifications:

• Experience supporting Army or DoD programs
• Hands‑on experience with AWS Security Hub, Cloud Watch, Cloud Trail, EvaluateSTIG, ACAS, STIG Viewer, Power BI, Service Now, or Git Lab CI/CD.
• Experience with containerized workloads, cloud-native services, Linux, databases, web servers, or other enterprise system baselines.
• Familiarity with Agile frameworks such as SAFe and with incremental delivery cycles.

Target salary range:…