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Sr. Specialist, Information Systems Security Engineer Security Clearance

Job in Greenville, Hunt County, Texas, 75401, USA
Listing for: L3Harris Technologies
Per diem position
Listed on 2025-12-10
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Consultant, Information Security
Job Description & How to Apply Below
Position: Sr. Specialist, Information Systems Security Engineer with Security Clearance
L3

Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3

Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3

Harris Technologies is the Trusted Disruptor in the defense industry. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title:

Sr. Specialist, Information Systems Security Engineer Job Code: 30837

Job Location:

Greenville, Texas

Schedule:

9/80

Job Description:

Applies current systems security engineering methods, practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Works closely with Government customers to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early and in a sustainable manner throughout the life cycle of system that will allow for the security assessment and authorization of the system of interest.

Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products. Uses methods such as encryption technology, vulnerability analysis and security management. Responsible for integration of multiple methods into a cohesive system security boundary and environment and the policies and procedures necessary to continuously monitor and maintain such an environment.

Will prepare assessment and authorization documentation, using multiple standards such as Risk Management Framework (RMF), Joint Special Access Implementation Guide (JSIG), DSS Assessment and Authorization Process Manual (DAAPM) and Common Criteria to achieve security authorization of supported systems. Maintains awareness of the most recent system security policies and directives to assist Systems Engineers, Project Engineers, other Information System Security Engineers, and Program Management with the analysis of user and system requirements and constraints.

Represents program system security needs, concerns and requirements at customer meetings.

Essential Functions:

* Responsible for integration of multiple methods into a cohesive system security boundary and environment and the policies and procedures necessary to continuously monitor and maintain such an environment.

* Will prepare assessment and authorization documentation, using multiple standards such as Risk Management Framework (RMF) to achieve security authorization of supported systems.

* Maintains awareness of the most recent system security policies and directives to assist Systems Engineers, Project Engineers, and other System Security Engineers, and Program Management with the analysis of user and system requirements and constraints.

* Represent program system security needs, concerns and requirements at customer meetings.

* Perform periodic vulnerability scans of systems to identify security vulnerabilities and provide remediation alternatives and conduct security risk assessments to ensure compliance with corporate security policies and adherence to best practices.

Qualifications:

* Candidate must be willing to work a flexible job schedule to include off-shift work and occasional overtime.
* Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

* Requires strong knowledge of job area typically obtained through advanced education combined with experience. Typically viewed as having a specialty within discipline.

May have broad knowledge of project management.
* Active Secret security clearance required with the ability to obtain and maintain a TS/SCI level.
* Current DOD 8570/8140 IAT Level II ie:
CompTIA Security+ or the ability to obtain within 6 months. Preferred Additional

Skills:

* Risk Management Framework experience for Information Systems (IS) familiarity.

* Security Engineering with assessment and authorization experience.
* Well versed in NIST 800-53r4 standards.

* Familiarity with RMF for Platform Information Technology (PIT) a plus.

* Experience with XACTA desired

* Experience with eMASS desired

* Experience with JSIG desired

* Experience with all RMF Overlays desired

* Experience with systems integration is desired.
* Experience hardening Linux- and Windows-based operating systems desired.

* Requirements management experience is highly desirable

* Sets highest ethical standards for self and others.

* Experience with Budgeting desired

* Experience…
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