Senior Information System Security Officer (ISSO) - L3Harris : Job Details

Senior Information System Security Officer (ISSO)

L3Harris

Job Location : Plano,TX, USA

Posted on : 2025-08-05T09:05:29Z

Job Description :

Job Title : Senior Information System Security Officer (ISSO)Job Code : 24994Job Schedule : 9 / 80 REGJob Description :The Cyber Intelligence Information System Security Manager (ISSM) plays a key role on the Information Security team supporting a dynamic range of current and emerging computer networks communication systems and cutting-edge projects. This position collaborates closely with senior leadership to drive strategic initiatives and turn vision into action.Essential Functions :Supports and mentors cybersecurity teams; provides leadership coverage in the absence of management.Partners with Cybersecurity Managers on strategic planning funding allocation and solution implementation.Conducts and manages risk assessments in compliance with NISPOM / DAAPM RMF JSIG and NIST 800-series (e.g.) standards.Leads development review and timely delivery of security artifacts supporting Authority to Operate (ATO).Contributes to Risk Management Framework (RMF) activities and related system lifecycle documentation (e.g. CONOPS SOPs training materials).Leads and participates in working groups to enhance policies procedures security solutions and automation initiatives.Performs security reviews and audits; identifies gaps in architecture and develops mitigation strategies.Coordinates with internal and external stakeholders on secure system design and implementation.Oversees cyber compliance efforts through self-inspections customer audits and system tests to ensure authorized operation.Manages configuration change processes including hardware / software updates account management media control and documentation.Performs ISSO responsibilities as needed.Ensures security requirements are addressed in acquisitions procurements and outsourcing efforts.Ability to obtain and maintain a Top Secret clearance and additional clearances as required.Ability to lift up to 20 lbs.Willingness to travel up to 15%.Performs additional duties as assigned by senior leadership.Qualifications :Active DoD Secret clearance with current 6-year update; eligible to obtain Top Secret clearance.Bachelors degree with a minimum of 6 years of relevant experience. Masters degree with a minimum of 4 years of relevant experience. In lieu of a degree a minimum of 10 years of prior related experience is required.Must obtain 8140 Certification (e.g. CISSP CISM) within six (6) months of hire.Preferred Additional Skills :Bachelors or Masters degree in a STEM or related field preferred; equivalent experience will be considered.Experience working in Special Access Programs (SAPs) and / or Collateral environments.Proficient in tools and technologies such as SPLUNK Security Center Trellix Suite (including DLP) DISA STIGs eMASS and Group Policy.Skilled in Microsoft Office Suite.Holds a current 8140 Certification (e.g. Security CISSP CISM).Strong organizational decision-making and problem-solving abilities.Solid understanding of risk management mitigation strategies and customer service best practices.Excellent written and verbal communication and presentation skills.LI-FS1Required Experience :Senior ICKey SkillsInternational Development,Information Systems,Community,Information Technology Sales,Corporate RecruitmentEmployment Type : Full TimeExperience : yearsVacancy : 1Create a job alert for this search Information System Security Officer Isso • Plano, Texas, USAWe Care About Your Privacy We and our 1 partners store and access personal data, like browsing data or unique identifiers, on your device. Selecting I Accept enables tracking technologies to support the purposes shown under we and our partners process data to provide. Selecting Reject All or withdrawing your consent will disable them. If trackers are disabled, some content and ads you see may not be as relevant to you. You can resurface this menu to change your choices or withdraw consent at any time by clicking the Show Purposes link on the bottom of the webpage [or the floating icon on the bottom-left of the webpage, if applicable]. Your choices will have effect within our Website. For more details, refer to our Privacy Policy.We and our partners process data to provide: Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a device. Personalised advertising and content, advertising and content measurement, audience research and services development.#J-18808-Ljbffr

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