Cyber Security Engineer

US-Remote

LMI is seeking a Cyber Security Engineer to own and coordinate cybersecurity compliance for an AWS-hosted Army application. This role manages vulnerability findings, security scanning, eMASS records, and RMF/ATO activities while working closely with the ISSO and engineering team. The position requires technical security knowledge and the ability to drive remediation through closure.

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.

• Own the cyber compliance backlog, priorities, reporting, and coordination with the ISSO and government security stakeholders.
• Coordinate security scans, including ACAS, application, dependency, and container scanning; review results and validate findings.
• Triage CVEs and other vulnerabilities, assess applicability and risk, assign remediation owners, track due dates, and verify closure through rescanning or technical evidence.
• Maintain eMASS records, RMF artifacts, control evidence, POA&Ms, and continuous monitoring documentation to support ATO attainment and sustainment.
• Coordinate control evidence, inherited controls, assessment responses, and compliance milestones with the ISSO, engineering team, and platform or image owners.
• Provide technical guidance on secure configurations, patching, access controls, and vulnerability remediation across Linux, container, and AWS environments.
• Assess release security impacts, communicate residual risks and blockers, and integrate cyber requirements into agile planning and delivery.

• Active Secret security clearance.
• Bachelor's degree in Cybersecurity, Computer Science, Information Systems, Engineering, or a related field.
• Five or more years of cybersecurity engineering or information assurance experience.
• Hands‑on experience with eMASS, RMF, NIST SP 800‑53, POA&Ms, and ATO support. Understanding of the STIG assessment process and inherited security controls.
• Experience coordinating vulnerability scanning, CVE remediation, and compliance activities with an ISSO and technical teams.
• Technical understanding of Linux, AWS security, containers, and vulnerability assessment tools.
• Active cybersecurity certification accepted for the assigned DoD 8140 work role and proficiency level.

• Army cybersecurity compliance experience, including IL5/IL6 environments and authorization sustainment.
• Experience with ACAS/Tenable, application or container scanners, and Git Lab/Jira.
• Experience supporting agile teams and communicating cyber risk to technical and government stakeholders.

Occasional travel for technical coordination, security assessments, and program milestones.

Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances, due to the nature of the work.

Target salary range is $92075.4 - $158138.39

Disclaimer: The…