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Mantis Security

Cybersecurity consulting and zero-trust architecture services

Information Systems Security Officer

Security Governance, Risk & ComplianceConfirmed live in the last 24 hours
Full-timeReston, VA, USA$140k - $180k /yrIn-person

About the Job

Requirements

  • A bachelor's degree with 9 years of experience, a master's degree with 7 years of experience, or no degree with 13 years of experience.
  • Meet DoD 8570 IAT Level II certification requirements with one of the following: CCNA Security, CySA+, GICSP, GSEC, Security+ CE, or SSCP.
  • Have current TS/SCI eligibility or active TS/SCI.
  • Be able to obtain a CI polygraph.

Responsibilities

  • Support Assessment and Authorization (A&A) and all Risk Management Framework (RMF) processes, including ICD 503, CNSSI-1253, NIST 800-37, and NIST 800-53, across multiple information systems.
  • Review associated security documentation for validity and accuracy.
  • Create and maintain the System Security Plan (SSP), Security CONOPS, Security Test Plan (STP), and Security Test Procedures; document and maintain implementation details of NIST 800-53 security controls.
  • Plan and perform security functional testing, create and maintain STPs, and support security assessments.
  • Use Xacta to maintain Security Body of Evidence (BoE) files and manage the A&A process for each system release cycle.
  • Provide guidance on applying security policy, identifying security requirements, providing technical guidance for satisfying requirements, and reviewing and determining the adequacy of required documentation.
  • Manage plans of action and milestones (POA&Ms) by working with project managers and engineers to develop schedules and engineering actions that mitigate open findings.
  • Monitor and audit operational systems for proper use.

Desired Qualifications

  • Proficiency with Xacta IA Manager or Xacta 360.

About the Company

Mantis Security

Cybersecurity consulting and zero-trust architecture services

Mantis Security provides cybersecurity consulting for government and regulated industries, protecting information across the system lifecycle. Its offerings include C-level consulting, Zero Trust design, RMF/FISMA support, security architecture and engineering, IT security automation with Infrastructure as Code, and advanced cloud engineering for AWS in government and DoD/IC regions, plus cyber data science to analyze telemetry and speed decision-making. The company differentiates itself through veteran leadership with direct IC and DoD experience, a SDVOSB status, and a strong emphasis on RMF/FISMA, government cloud, and cyber operations support. Its goal is to help clients achieve secure, compliant, and efficient cyber operations that reduce risk and accelerate mission readiness.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Sarasota, FL
Founded
2015

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