Cyber Security Engineer

LMI; Tysons (VA); Remote; USD 92,000 - 158,000; Full time

Job summary

LMI is seeking a Cyber Security Engineer to own and coordinate cybersecurity compliance for an AWS-hosted Army application. This role drives remediation, coordinates scans, and maintains RMF artifacts with the ISSO and engineering teams.

You'll manage eMASS records, vulnerability findings, and ATO support, applying Linux, AWS, and container security knowledge in an agile environment while engaging government stakeholders.

Qualifications

• Active Secret security clearance required.
• Bachelor's degree in Cybersecurity, CS, Information Systems, Engineering, or 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.
• Experience coordinating vulnerability scanning 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.

Responsibilities

• 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.
• Maintain eMASS records, RMF artifacts, control evidence, POA&Ms, and continuous monitoring documentation to support ATO attainment.
• Coordinate control evidence, inherited controls, assessment responses, and compliance milestones with the ISSO, engineering team, and 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.

Skills

Active Secret clearance

Linux security

AWS security

Container security

Vulnerability assessment tools

Vulnerability scanning coordination

eMASS & RMF understanding

CVE remediation coordination

AT0 support / NIST 800-53

Education

Bachelor's degree in Cybersecurity / CS / IS / Eng

Tools

ACAS

Tenable

GitLab

Jira

Job description

Overview

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.

Responsibilities

• 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.

Qualifications

Required Qualifications

• 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.

Preferred Qualifications

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

Travel Requirements

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 salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.

#LI-SH1

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 or applicants who are eligible for security clearances, due to the nature of the work.

Job Locations

US-Remote