Army Information Systems Security Engineer (ISSE)

Overview

LMI, a consultancy dedicated to supporting government transformation and readiness, is seeking a skilled Information Systems Security Engineer (ISSE) to support the Naval Autonomous Data Collection System (NADACS) portfolio. Utilizing a blend of digital solutions, analytics, and security expertise, this role focuses on advancing mission success for the U.S. Army by providing robust system security engineering and cyber compliance solutions. Join LMI’s team and contribute to the secure deployment and modernization of NADACS—pivotal to U.S. Army operations and logistics.

This role offers the chance to shape security processes, influence system compliance, and enable mission success through advanced cybersecurity solutions. Extensive collaboration and technical expertise are key for a security-first approach in protecting critical DoD systems. This position requires a Secret clearance.

About LMI

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

• Provide expert security engineering support to ensure that the NADACS portfolio adheres to DoD and Army cybersecurity policies and frameworks.
• Assist in the design, assessment, and implementation of security controls to ensure system compliance with regulatory requirements, such as Risk Management Framework (RMF) and FedRAMP.
• Analyze and document existing systems and processes to identify areas for security enhancements and recommend improvements across the NADACS Portfolio.
• Collaborate with Program Management Office (PMO) leadership to integrate security requirements within four primary Levels of Effort (LoEs): Staffing, Contract Management, Corporate Governance, and Onboarding/Offboarding efforts.
• Perform security assessments and audits to track and monitor compliance with cybersecurity guidelines and regulations.