Information System Security Officer (ISSO) 3

Full Time
Greenville, TX
Areas of Interest: Information Systems Security Operations/Officer
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L-3 Mission Integration is seeking an Information System Security Officer (ISSO) in support of Department of Defense and National programs. A successful candidate will have experience with developing and updating Certification and Accreditation documentation and system authorization artifacts under the Risk Management Framework (CNSSI 1253/NIST 800-53, etc.) or previous C&A frameworks such as DIACAP/NIACAP/DSS ISFO and Chapter 8. The candidate will be responsible to the ISSM for the program System Security Plan (SSP), Continuous monitoring plan, Security Assessment Report, Privileged User's Guide, Plan of Action and Milestones (POA&M) and other security documentation. The candidate must have experience with DoD STIG's, CIS Benchmarks, Nessus, SCAP, ePO, and/or other related hardening and compliance assessment tools to oversee the implementation and enforcement of security policies.

The selected candidate will work with the program team and government customers to determine and develop an approach to information system security solutions to meet contractual security requirements. The position requires strong critical thinking/analytical skills, attention to detail, creativity, and a sustained commitment to excellence and quality. The position requires excellent oral and written communication skills. The selected candidate will act as a member of a diverse security team and participate in Engineering and Configuration Review Boards and Working Groups to develop secure system solutions.
The ISSO will be responsible for notifying the project team of appropriate security measures, identifying potential security weaknesses, recommending improvements to address vulnerabilities, and monitoring system security. 


Requires a Bachelors Degree in a technology related field and a minimum of five (5) years experience in information assurance/security experience. RMF/DIACAP/NISPOM preferred.
Candidate must have:
  • Experience with Windows and Linux client/server security administration and the underlying technologies such as TCP/IP, DNS, LDAP, and the security subsystem (IA&A).
  • Be experienced in evaluating hardware security such as Trusted Platform features, EEFI/BIOS security, and sanitization measures.
  • Possess current DoD 8570 certification
Candidate must already possess and be able to maintain an active TS/SCI clearance which requires U.S. citizenship.
Equal Opportunity Employer – minorities / females / veterans / individuals with disabilities / sexual orientation / gender identity. We maintain a drug free workplace and perform pre-employment substance abuse testing and background checks.
US Security Clearance Required:  Top Secret/SCI

Schedule:  Full-time
Shift:  Day - 1st
Travel:  Yes, 10 % of the Time
Organization:  Division - Mission Integration-21000012

L-3 is an equal opportunity employer. We encourage minorities, women, veterans and disabled individuals to apply.

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Headquartered in New York City, L-3 employs approximately 45,000 people worldwide and is a prime contractor in aerospace systems and national security solutions. L-3 is also a leading provider of a broad range of communication and electronic systems and products used on military and commercial platforms. The company reported 2014 sales of $12.1 billion. To learn more about L-3, please visit the company’s website. Specialties L-3 provides products for the global ISR market, high-performance computing, cybersecurity, aircraft upgrades and sustainment, and a broad range of electronic systems products, including MW & SATCOM products, simulation, security & detection and more.
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Company Industry: Defense & Space
Company Type: Public Company
Company Size: 10,001+