RMF / Information System Security Officer (ISSO)

MarkonAnnapolis Junction, MD
$120,000 - $200,000Onsite

About The Position

PLEX Solutions, A Part of Markon is looking for an RMF / Information System Security Officer (ISSO), to support a contract in the Annapolis Junction, MD area.

Requirements

  • Active TS/SCI w/ Polygraph
  • CompTIA Security+ certification
  • Professional U.S. Government/DoD GRC and RMF experience
  • Demonstrated ability to independently develop, maintain, and own SSPs
  • Working knowledge of the DoD Risk Management Framework
  • Familiarity with NIST SP 800-53 security controls
  • Familiarity with DISA STIGs
  • Experience preparing RMF/ATO documentation, control evidence, and assessment artifacts
  • Experience supporting systems through authorization and/or continuous monitoring
  • Experience working with RHEL systems
  • Strong technical writing and documentation skills
  • Strong customer-facing communication skills

Nice To Haves

  • Experience serving as an ISSO or equivalent RMF/GRC role
  • Docker, Kubernetes, or other container/container-orchestration experience is a major plus
  • Experience with eMASS
  • Experience developing and managing POA&Ms
  • Experience with DoD authorization packages and ATOs
  • Experience reviewing or implementing DISA STIG requirements
  • Experience with vulnerability and compliance scanning
  • Linux/RHEL system administration experience

Responsibilities

  • Own and drive the RMF process for assigned systems
  • Develop, maintain, and update System Security Plans (SSPs)
  • Support systems through ATO, reauthorization, and continuous monitoring
  • Interpret and document implementation of NIST SP 800-53 security controls
  • Work with DISA STIGs, findings, remediation, and compliance documentation
  • Prepare and maintain required RMF documentation and authorization artifacts
  • Gather and organize control implementation evidence
  • Identify documentation, control, and evidence gaps and coordinate their resolution
  • Develop and maintain POA&Ms and associated remediation documentation
  • Work with engineers and system administrators to understand and document technical control implementations
  • Support government security reviews and assessment activities
  • Communicate directly with government customers, assessors, technical teams, and other stakeholders
  • Maintain authorization documentation as systems and environments change

Benefits

  • Medical
  • Dental
  • Vision
  • Life Insurance
  • Short-Term Disability
  • Long-Term Disability
  • 401(k) match
  • Flexible Spending Accounts
  • EAP
  • Training and Tuition Assistance
  • Paid Time Off
  • Holidays
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