Information Systems Security Engineer, ISSE

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $92.1k - $158.1k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

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LMI

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1961

📦 Logistics

🏥 Healthcare

🎖️ Defense

Logistics • Healthcare • Defense

LMI is a forward-thinking company that focuses on reimagining the path from insight to outcome through innovative solutions in various sectors, including applied AI and digital health. They provide advanced analytics, engineering support, and performance optimization across defense, health, and civilian markets, with a strong commitment to enhancing mission effectiveness for government clients. With a focus on collaboration and research, LMI aims to drive positive change through its diverse capabilities and partnerships.

📋 Description

• Translate mission needs and security requirements into system architectures, control implementations, secure configurations, and testable acceptance criteria • Perform threat modeling and security design reviews • Identify trust boundaries, attack surfaces, data flows, dependencies, and technical risks before deployment • Engineer and implement security controls for AWS infrastructure, Linux systems, containers, Kubernetes, application interfaces, and supporting services • Configure and validate identity and access controls, least-privilege permissions, network segmentation, encryption, certificates, secrets management, audit logging, and security monitoring • Apply DISA STIGs and approved hardening baselines; test changes for security effectiveness and mission impact • Integrate security scanning and checks into CI/CD pipelines • Use scripting, infrastructure as code, and configuration automation to deploy repeatable controls, detect configuration drift, and collect technical evidence • Analyze vulnerability findings, implement fixes, retest remediation, and propose compensating controls when needed • Develop and execute security verification tests and support authorized assessments • Troubleshoot application, network, cloud, identity, and container security issues • Produce security diagrams, configuration baselines, control implementation details, and test evidence supporting RMF activities and ATO packages • Coordinate technical remediation and closure evidence with the ISSO and ISSM • Document residual risks and recommendations for government risk decisions without independently accepting risk • Assess proposed system changes, maintain engineering documentation and runbooks, and support incident investigation, recovery, and corrective actions

🎯 Requirements

• Active Secret security clearance, with ability to obtain and maintain Top Secret if required • Minimum five years of relevant experience in systems security engineering, cybersecurity engineering, cloud security, secure platform engineering, or related technical field • Hands-on experience implementing, troubleshooting, and validating security controls • Experience engineering or securing DoD information systems, including systems operating on or connected to DODIN • Hands-on professional experience implementing, securing, operating, and troubleshooting AWS workloads • Practical experience with AWS IAM, VPC, security groups, compute and storage security, encryption, CloudTrail, and CloudWatch • Experience hardening and troubleshooting Linux systems and containerized workloads; working knowledge of Kubernetes security controls • Experience using scripting, infrastructure as code, or configuration-management tools to automate security tasks • Experience with source control and software delivery pipelines • Working knowledge of TCP/IP networking, routing, firewalls, network segmentation, secure application connectivity, certificates, encryption, and identity and access management • Experience applying RMF requirements, NIST SP 800-53 controls, STIGs, vulnerability scanning, remediation practices, and authorization evidence • Current relevant cybersecurity certification and ability to meet applicable contractual workforce qualifications, including DoD 8140 work-role requirements where applicable • Strong technical writing, troubleshooting, and coordination skills • Ability to work independently with distributed engineering teams and support periodic travel • U.S. Government security clearance eligibility; only U.S. Citizens are eligible for a security clearance • A college degree is not required

🏖️ Benefits

• Periodic travel may be required for integration, assessments, customer meetings, and access to approved facilities • Equal employment opportunity commitment • Application accommodations for persons with disabilities