Cybersecurity Engineer; DHS

Cybersecurity Engineer (DHS)

Job Location s: US-Remote

LMI is seeking a Cybersecurity Engineer to support our Department of Homeland Security (DHS) market.

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.

• Acquire and manage all necessary documentation/artifacts, including cybersecurity support and resources, to support IT cybersecurity goals and objectives from a risk management perspective.
• Advise senior management on system risk levels and cybersecurity posture for cloud‑based environments.
• Assist in the deployment, architecture and configuration of security controls of deployed systems with Cloud Architects.
• Ensure that developed systems and architectures are consistent with all applicable DHS cybersecurity policies and guidelines.
• Perform Assessment and Authorization (A&A) cybersecurity reviews, identify gaps, and support risk management plans for cybersecurity personnel to execute.
• Provide input on cybersecurity requirements and collect and maintain data needed to meet system cybersecurity compliance reporting.
• Provide subject matter expertise for Risk Management Framework (RMF) activities and related documentation to support system accreditation / Authority to Operate (ATO) requirements.
• Interpret non‑compliance to determine the impact on levels of risk and/or overall effectiveness of the enterprise's cybersecurity program.
• Support necessary compliance activities (e.g., ensure that system security configuration guidelines are followed, compliance monitoring occurs).
• Coordinate with geographically‑distributed, multi‑discipline teams to ensure compliance with all applicable requirements for cybersecurity are addressed.
• Ensure that plans of action and milestones (POAM) or remediation plans are in place for vulnerabilities identified during risk assessments, audits, inspections, etc. and support necessary remediation/compliance activities.
• Participate in recurring cybersecurity working group meetings.
• Work with program ISSOs and ISSMs to effectively aggregate technical details for government leadership including the cybersecurity lead, project managers, program managers to facilitate succinct and effective risk discussions and provide understanding of respective program risks.
• Provide security support and evaluation to development teams to integrate information assurance/cyber security and remediate vulnerabilities throughout the System Life Cycle Development.
• Participate in ATT and ATO activities.
• Support the organization's program that implements information systems security technology and procedures, to include access control and authentication of users and transmitted information.
• Prepare, distribute, and maintain plans, instructions, guidance, and standard operating procedures (SOPs) on the security of information systems.
• Review DHS policy and develop local policy and procedures that implement the DHS Cybersecurity subprograms and initiatives.
• Review and evaluate system and network changes for cybersecurity impact and effect on confidentiality, integrity, availability, and overall system security posture.
• Create and submit Plan of Actions & Milestones (POA&M) for review and approval by the Authorizing Official (AO).

• Bachelor's degree in a related field.
• 8+ years demonstrated experience designing, implementing, and monitoring cybersecurity solutions.
• 8+ years demonstrated RMF experience.
• Familiarity with cybersecurity tools such as ACAS and…