Cybersecurity Information System Security Officer (ISSO)

Responsibilities

• Manage the security operations of one or more information systems and maintain 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.

Qualifications

• 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.
• Extensive AWS experience required.
• 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.

Desired Qualifications

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

Target Salary Range

$111,426 - $192,890

Disclaimer

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.

EEO Statement

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.