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 . 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 training requirements. Ensure cybersecurity documentation and deliverables are accurate, complete, and delivered according to client and regulatory standards. Develop alternative information security strategies to address and meet organizational security objectives. Foster strong relationships with technical stakeholders, clients, and vendors to address and resolve security-related challenges effectively. Qualifications Required Qualifications: Bachelor’s degree in a related field (Computer Science, Cybersecurity, or equivalent). Strong hands-on experience with security engineering, compliance, and frameworks like RMF and FedRAMP. Knowledge of secure identity and access management (ICAM), as well as industry-standard protocols such as SAML, OAuth2, and OIDC. Proficiency in at least one programming language (e.g., Python, or similar). Experience with Linux systems, command-line troubleshooting, and secure networking practices. Solid understanding of DoD environments, cybersecurity requirements, and program compliance cycles. Ability to integrate information security requirements in the acquisition process and ensure robust software quality control. Strong technical writing and communication skills, with the ability to review and edit contract deliverables. Active Secret clearance required. Bonus Points For: Master’s degree in a related field. Certifications like Security+, CISSP, or DoD 8570 compliance certifications. Prior experience supporting U.S. Army or Navy programs and aligning security controls with mission-critical logistics systems. Knowledge of DoD software development life cycles, Section 508 compliance, and accessibility standards. Familiarity with technologies such as RFID, IoT, BLE, and DoD-approved embedded security systems. Hands-on experience with DevSecOps practices, integrating secure design principles during system development. AWS certification (Solutions Architect or Developer Associate) and experience operating cloud-based IL5+ environments. The target salary range for this position is $115,000-$175,000. 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.