Information Systems Security Officer

MITRE; McLean (VA); On-site; USD 100,000 - 130,000; Full time

Job summary

MITRE is seeking an Information System Security Officer (ISSO) to join their Cybersecurity Risk Management Department. The ISSO will oversee cybersecurity measures, perform risk assessments, and mentor junior staff while ensuring compliance with security policies. This role offers the opportunity to work on critical national security challenges in a collaborative environment.

Benefits

Competitive benefits

Professional development opportunities

Culture of innovation

Qualifications

• Active Top Secret security clearance required.
• 8+ years of experience in cybersecurity and implementing RMF.
• Strong understanding of classified infrastructure and A&A processes.

Responsibilities

• Ensure cybersecurity is integrated into operational environments.
• Perform security authorization activities and risk assessments.
• Mentor junior ISSOs and consult on cybersecurity concerns.

Skills

Communication

Cybersecurity

Risk Management

Vulnerability Assessment

Configuration Management

Education

Computer Science or equivalent field

Tools

XACTA

E-Mass

Job description

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges—and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day—working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities, and a culture of innovation that embraces diversity, inclusion, flexibility, collaboration, and career growth. If this sounds like the choice you want to make, then choose MITRE—and make a difference with us.

Department Summary :

The Cybersecurity Risk Management Department (A) in the Global Security Services Division (A) is seeking to fill an Information System Security Officer (ISSO) position. The selected candidate for the ISSO role will support multiple sponsors to p rovide Information Assurance - Cybersecurity Work

Roles and Responsibilities :

The selected candidate will perform tasks such as ensuring cyber security is baked into the design of new / existing operational environments; perform security authorization activities in compliance with Risk Management Framework ( RMF) policies and procedures to include System Security Plans (SSPs), Risk Assessment Reports, A&A packages, and Security Controls Traceability Matrix (SCTM). Assist ISSMs / ISSOs in m aintaining operational security posture to ensure information systems (IS), security policies, standards, and procedures are established and followed. Performs vulnerability / risk assessment analysis to support Assessment & Authorization (A&A). Provides configuration management (CM) expertise for information system security software, hardware, and firmware and coordinates with Systems & Networks engineers, ISSM(s), and other stakeholders to ensure fully developed requests are vetted prior to Change Control Board (CCB) meetings. Mentor and train Jr. ISSOs, consult with other MITRE Departments on cybersecurity concerns.

Responsibilities include :

• Oversee ISSOs supporting various systems with various impact levels while maintaining the CIA.
• Provide IA-cyber solutions in support of government sponsors information systems and data.
• Review security artifacts and determine risk mitigation, perform continuous monitoring activities.
• Improve cybersecurity risk posture of environments applying the RMF and applicable controls.
• Triage vulnerabilities, work with engineers, system admins on mitigation plans
• Review and update policies based on industry standards and best practices.
• Lead the strategy on responding to CCRIs, Assessments, etc., improve risk ratings, and develop strategic plans for overall assessment procedures, policies, etc.
• Partner with System Administrators, Engineer to improve on process, policies protecting assets.
• Develop Jr staff skillset in cybersecurity / IA improving on product delivery, artifacts quality, assessment support and overall risk mitigations.
• Provide subject matter expertise to internal and external partners supporting the security and protection of advanced technologies.
• Maintain operational security posture for an information system or program.
• Apply a full range of Cybersecurity policies, principles, and techniques to maintain security integrity of information systems processing classified information.
• Utilized Security Tools to enhance protection of information systems and data.
• Perform Gap Analysis and improve on document maintenance, storage, and modifications.

Basic Qualifications :

• Possess and maintain an active Top Secret level security in Computer Science or equivalent field of study and 8+ years related experience.
• Development of security artifacts utilizing all steps in the RMF.
• Experience using XACTA, E-Mass, other repositories.
• Communicate complex information, concepts, or ideas in a confident and well-organized manner through verbal, written, and / or visual means.
• Develop or recommend analytic approaches or solutions to problems and situations for which information is incomplete or for which no precedent exists.
• Ability to exercise judgment when policies are not well-defined.
• Knowledge of new and emerging IT and cybersecurity technologies.
• Effective communication skills (verbal and written) ensuring clear and effective communication with senior government leaders and technical peers.
• 8+ years experience implementing the Risk Management Framework (RMF), NIST SP -, Security Technical Implementation Guides (STIGs) and Security Content Automation Protocol (SCAP) Compliance Checker.
• Full understanding of Classified Infrastructure and how to apply the Assessment & Authorization (A&A) process.
• Knowledge of technical solutions related to the A&A process.
• In accordance with DoD the selected candidate must meet and maintain the requirements of an IAM or IAT Level III as a condition of employment.

Preferred in Computer Science or equivalent field of study and + years related experience.

• Ability to contribute to a dynamic high tempo operational environment.
• Ability to correlate operational concepts and apply appropriate security measures to mitigate threats or vulnerabilities.
• Knowledge of core and non-core cybersecurity frameworks, toolsets, and capabilities.
• Knowledge of computer networking concepts and protocols, and network security methodologies.
• Knowledge of authentication, authorization, and access control methods.
• Knowledge of incident response and handling methodologies.
• Knowledge of key concepts in security management Release Management, Patch Management).
• Knowledge of cyber defense and information security policies, procedures, and regulations RMF).

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) :

Work Location Type : Onsite

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Information System Security Officer • McLean, Virginia, United States of America