Senior Information Systems Security Officer (ISSO)

The MITRE Corporation

• $129K — $193K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of cybersecurity experience, with at least a Bachelor's degree or equivalent experience.
  • Expertise in RMF, NIST SP 800-53, STIGs, SCAP.
  • Familiarity with security tools, specifically E-Mass and XACTA.
  • Strong verbal and written communication skills for interacting with senior officials and technical staff.
  • IAM Level III certification, adhering to DoD 8570.01M requirements.
  • Active Top Secret Security Clearance required, must be a U.S. citizen.

Responsibilities

  • Lead and ensure compliance with RMF policies for classified systems.
  • Develop and monitor security documentation like SSPs and risk assessments.
  • Conduct ongoing vulnerability assessments and compliance monitoring.
  • Maintain security posture and manage documentation for accreditation.
  • Provide mentorship for junior staff and support process improvements.
  • Collaborate with technical teams to refine security policies and mitigate risks.

Benefits

  • Opportunity to lead critical cybersecurity efforts in a classified environment.
  • Mentorship and career development opportunities for junior staff.
  • Direct impact on security policies and advanced technology implementation.
  • Work closely with senior government leaders in a dynamic environment.
  • Conducive environment for continuous learning and growth in cybersecurity field.
Full Job Description
The Cybersecurity Risk Management Department within the Global Security Division seeks a Senior Information Systems Security Officer (ISSO) to provide Information Assurance and Cybersecurity services for classified systems. The role involves integrating security into engineering projects, supporting classified environments, and contributing to advanced security concepts.

Key Responsibilities:
  • Lead cybersecurity efforts for classified systems, ensuring compliance with Risk Management Framework (RMF) policies and procedures.
  • Develop, implement, and monitor security programs, including System Security Plans (SSPs), Risk Assessment Reports, and Security Controls Traceability Matrix (SCTM).
  • Perform vulnerability/risk assessments, continuous monitoring, and self-inspections to ensure compliance and mitigate risks.
  • Maintain operational security posture, oversee security documentation, and coordinate with stakeholders for accreditation and change management.
  • Mentor junior staff, improve cybersecurity processes, and provide subject matter expertise on advanced technologies.
  • Collaborate with system administrators and engineers to enhance policies, processes, and risk mitigation strategies.


Basic Qualifications:
  • Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.
  • Expertise in RMF, NIST SP 800-53, STIGs, SCAP, and classified infrastructure.
  • Proficiency in security tools like E-Mass and XACTA.
  • Strong communication skills for engaging senior government leaders and technical peers.
  • IAM Level III certification per DoD 8570.01M.
  • Must have an active Top Secret U.S Government issued Security Clearance. Per the U.S. Government's eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.
  • This position has an on-site requirement of 5 days a week on-site.


Preferred Qualifications:
  • Proficiency with security tools ACAS, Forescout, Trellix, Splunk.
  • Experience with DCSA CCRI or CORA audits.
  • Experience with Continuous Monitoring (RMF Step 7).


This requisition requires the candidate to have a minimum of the following clearance(s):
Top Secret

This requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s):
Top Secret

Salary compensation range and midpoint:
$129,200 - $161,500 - $193,800 Annual

Work Location Type:
Onsite

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