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Information Systems Security Officer (ISSO)

L3Harris Columbia, MD

  • Posted: December 01, 2020
  • Full-Time

Description: Job Title: Sr. Specialist, Cyber Intelligence

Job Code: SAS20202411-53610

Job Location: Columbia, Maryland

Job Description:

The L3 Harris Cyber Security Department is seeking an experienced cyber security professional to join our Columbia security team as an Information Systems Security Officer (ISSO). This is a fast paced, high volume position supporting multiple programs and customers as part of a team. Candidate will focus on multiple accredited programs and assisting the Information Systems Security Manager.

Essential Functions:

+ The ISSO will provide support to the ISSM for maintaining the appropriate security posture of systems in accordance with NISPOM Chapter 8 and/or ICD 503 RMF/JSIG.

+ The ISSO assists with the management of security aspects of the information system and works closely with the system administrator to support day-to-day security operations of the system.

+ The ISSO will maintain the RMF security controls in eMASS, maintain POA&Ms and update artifacts to reflect the system configuration and architecture.

+ The ISSO will perform crucial weekly continuous monitoring and audit log reviews (Windows Event Viewer, Splunk), backup operations (Symantec/Veritas Backup Exec), and anti-virus definition (Symantec Endpoint Protection/Manager) updates.

+ The ISSO provides support to the customer on matters involving the security of the information system and assists in maintenance to ensure the system accreditation is maintained. This includes developing and updating the system security plan, POA&Ms and supporting artifacts, as well as managing and controlling changes to the system and assessing the security impact of those changes.

+ The ISSO also provides support to plan, coordinate, and implement IT security programs and policies and provides configuration management for security-relevant information system software, hardware, and firmware.

+ The ISSO will assist the ISSM with the continuous monitoring of accredited systems.


+ Bachelor's Degree in Computer Science or related field and at least 6 years of relevant experience, or equivalent

+ Active Secret clearance

+ DOD 8570 compliant IAT Level II, possess at least a SEC+CE, GSEC, CCNA-Security, or SSCP

Preferred Additional Skills:

+ Experience with NISPOM Chapter 8 and/or ICD 503 RMF/JSIG

+ Familiarity with multiple intel community and DCSA system accreditation procedures

+ Experience hardening operating systems

+ Experience with vulnerability and compliance scanning tools (SCAP, Nessus, etc.)

+ Experience implementing and monitoring with the Risk Management Framework (RMF)

+ Experience managing Windows 10 based operating systems

+ Active Top Secret clearance

+ Advanced security certifications (CISSP, Security+, etc.)

+ Strong investigative drive

+ eMASS experience

+ Self-motivated individuals

+ Strong written and oral communication skills

+ Ability to work in a team environment

+ Understanding of system vulnerabilities and exploitation

+ Understanding of vulnerability mitigation

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.


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Columbia, MD
21045 USA



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