Cybersecurity Information System Security Officer (ISSO)

Logistics Management Institute • Remote,

2d • $111,426 - $192,890 • Onsite

About The Position

LMI is seeking a Cybersecurity Information System Security Officer (ISSO) with demonstrated experience managing the security posture of DoD information systems to support a United States Special Operations Command (USSOCOM) mission partner. 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. This position requires an active Secret clearance with the ability to obtain a Top-Secret.

Requirements

• Active Secret clearance required with the ability to obtain and maintain a Top-Secret clearance
• Minimum of 3-years of experience as an ISSO, ISSM, or equivalent role on DoD information systems
• Demonstrated experience taking systems through the RMF process and achieving/maintaining ATO
• Hands-on experience authoring and maintaining SSPs, SARs, POA&Ms, and Continuous Monitoring documentation
• Working knowledge of NIST SP 800-53, NIST SP 800-37, CNSSI 1253, and applicable DoD/CJCS issuances
• Experience using eMASS, Xacta, or equivalent governance, risk, and compliance (GRC) tooling
• DoD 8570/8140 IAM Level II certification (Security+ CE, CAP, CASP+, or equivalent) at time of hire
• 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.

Nice To Haves

• Active DoD Top-Secret Clearance
• Bachelor’s or Master’s Degree in Cybersecurity, Information Systems, or related field
• DoD 8570/8140 IAM Level III certification (CISSP, CISM, or equivalent)
• Experience supporting Special Operations, Intelligence Community, or Combatant Command customers
• Experience with cloud ATOs in Azure Government, AWS GovCloud, or Microsoft 365 GCC High
• Familiarity with DevSecOps, CI/CD security gates, and continuous ATO (cATO) approaches
• Prior experience as a Security Control Assessor (SCA) or assessment team member

Responsibilities

• Responsible for the day-to-day security operations of one or more information systems and for maintaining the system’s Authorization to Operate (ATO) under the DoD Risk Management Framework (RMF).
• Serve as the primary point of contact for the ISSM, the Authorizing Official’s representative, and the engineering team on all matters of system security.
• Develop and maintain the full body of RMF artifacts—System Security Plan (SSP), Security Assessment Plan (SAP), Plan of Action and Milestones (POA&M), Continuous Monitoring strategy, Privacy Impact Assessment, and Contingency Plan—and shepherd packages through eMASS or equivalent.
• Track vulnerabilities, IAVMs, and STIG compliance; manage POA&M closure; coordinate audits and assessments; and review system changes for security impact.
• Translate policy (NIST 800-53, CNSSI 1253, DoDI 8500.01, 8510.01) into clear engineering guidance.
• Proactively solve unusual and/or complex problems with little or no direction given and operate effectively in a fast-paced technical environment supporting senior military leadership.
• Partner closely with the Cybersecurity Engineer, the engineering team, and government stakeholders to keep the system secure, compliant, and operational.

Benefits

• LMI is an Equal Opportunity Employer, where all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior