Cybersecurity Information System Security Officer – ISSO

🕒 May 8

🇺🇸 United States – Remote

💵 $111.4k - $192.9k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

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LMI

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1961

🤖 Artificial Intelligence

⚕️ Healthcare Insurance

🏛️ Government

Artificial Intelligence • Healthcare Insurance • Government

LMI is a forward-thinking company that focuses on reimagining the path from insight to outcome through innovative solutions in various sectors, including applied AI and digital health. They provide advanced analytics, engineering support, and performance optimization across defense, health, and civilian markets, with a strong commitment to enhancing mission effectiveness for government clients. With a focus on collaboration and research, LMI aims to drive positive change through its diverse capabilities and partnerships.

📋 Description

• Responsible for the day-to-day security operations of one or more information systems • 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 • Shepherd packages through eMASS or equivalent • Track vulnerabilities, IAVMs, and STIG compliance; manage POA&M closure; coordinate audits and assessments; 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 • 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

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

🏖️ Benefits

• High Fringe/Full-Time